org.anyline.entity

类 DataSet

java.lang.Object

org.anyline.entity.DataSet

所有已实现的接口:

Serializable, Iterable<DataRow>, Collection<DataRow>

public class DataSet
extends Object
implements Collection<DataRow>, Serializable

另请参阅:

序列化表格

嵌套类概要

嵌套类

限定符和类型	类和说明
class	DataSet.Select

字段概要

字段

限定符和类型	字段和说明
protected static org.slf4j.Logger	log
DataSet.Select	select

构造器概要

构造器

构造器和说明
DataSet()
DataSet(List<Map<String,Object>> list)

方法概要

限定符和类型	方法和说明
boolean	add(DataRow e)
DataSet	add(String key, BigDecimal value)
DataSet	add(String key, double value)
DataSet	add(String key, float value)
DataSet	add(String key, int value)
DataSet	add(String key, short value)
DataSet	add(String target, String key, BigDecimal value)
DataSet	add(String target, String key, double value)
DataSet	add(String target, String key, float value)
DataSet	add(String target, String key, int value) 在key列基础上 +value,如果原来没有key列则默认0并put到target 如果target与key一致则覆盖原值
DataSet	add(String target, String key, short value)
boolean	addAll(Collection c)
DataSet	addAllUpdateColumns()
DataSet	addHead(String col) 添加表头
DataSet	addPrimaryKey(boolean applyItem, Collection<String> pks)
DataSet	addPrimaryKey(boolean applyItem, String... pks) 添加主键
DataSet	addPrimaryKey(Collection<String> pks)
DataSet	addPrimaryKey(String... pks)
DataSet	addQueryParam(String key, Object param)
DataSet	addRow(DataRow row)
DataSet	addRow(int idx, DataRow row)
DataSet	and(boolean distinct, DataSet set, String... keys)
DataSet	and(DataSet set, String... keys)
DataSet	asc(String... keys) 排序
BigDecimal	avg(int top, String key, int scale, int round) 平均值 空数据不参与加法但参与除法
BigDecimal	avg(String key)
BigDecimal	avg(String key, int scale, int round)
DataRow	avgs(DataRow result, int scale, int round, List<String> fixs, String... keys) 多列平均值
DataRow	avgs(DataRow result, int scale, int round, String[] fixs, String... keys)
DataRow	avgs(DataRow result, List<String> fixs, String... keys) 多列平均值
DataRow	avgs(DataRow result, String[] fixs, String... keys)
DataRow	avgs(int scale, int round, String... keys)
DataRow	avgs(String... keys)
static DataSet	build(Collection<?> list, String... fields)
DataSet	camel()
DataSet	Camel()
DataSet	changeKey(String key, String target)
DataSet	changeKey(String key, String target, boolean remove)
boolean	checkRequired(String... keys)
void	clear()
DataSet	clearUpdateColumns()
Object	clone()
static DataSet	cloneProperty(DataSet from, DataSet to)
DataSet	complement(boolean distinct, DataSet set, String... keys) 补集 在this中，但不在set中 this作为超集 set作为子集
DataSet	complement(DataSet set, String... keys)
String	concat(String key)
String	concat(String key, String connector) 合并key例的值 以connector连接
String	concatNvl(String key)
String	concatNvl(String key, String connector)
String	concatWithoutEmpty(String key)
String	concatWithoutEmpty(String key, String connector) 合并key例的值 以connector连接(不取空值)
String	concatWithoutNull(String key)
String	concatWithoutNull(String key, String connector) 合并key例的值 以connector连接(不取null值)
boolean	contains(DataRow row, List<String> fixs, String... keys) 是否包含这一行
boolean	contains(DataRow row, String... keys)
boolean	contains(DataRow row, String[] fixs, String... keys)
boolean	contains(Object o)
boolean	containsAll(Collection<?> c)
DataSet	convertNumber(String... keys) 指定key转换成number
DataSet	convertString(String... keys)
DataSet	creatIndex(String key) 创建索引
DataRow	cut(int begin) 从begin开始截取到最后一个,并返回其中第一个DataRow
DataRow	cut(int begin, int end) 从begin开始截取到end位置，并返回其中第一个DataRow,方法执行时会创建新的DataSet并不改变原有set长度
DataSet	cuts(int begin) 从begin开始截取到最后一个
DataSet	cuts(int begin, int end) 从begin开始截取到end位置，方法执行时会创建新的DataSet并不改变原有set长度
DataSet	dateFormat(String key, String format)
DataSet	dateFormat(String target, String key, String format)
DataSet	desc(String... keys)
DataSet	difference(boolean distinct, DataSet set, String... keys) 差集 从当前集合中删除set中存在的row,生成新的DataSet并不修改当前对象 this中有 set中没有的
DataSet	difference(DataSet set, String... keys)
DataSet	dispatch(boolean unique, boolean recursion, List<String> fixs, String... keys)
DataSet	dispatch(boolean unique, boolean recursion, String... keys)
DataSet	dispatch(boolean unique, boolean recursion, String[] fixs, String... keys)
DataSet	dispatch(DataSet items, List<String> fixs, String... keys)
DataSet	dispatch(DataSet items, String... keys)
DataSet	dispatch(DataSet items, String[] fixs, String... keys)
DataSet	dispatch(String field, boolean unique, boolean recursion, DataSet items, List<String> fixs, String... keys)
DataSet	dispatch(String field, boolean unique, boolean recursion, DataSet items, String... keys)
DataSet	dispatch(String field, boolean unique, boolean recursion, DataSet items, String[] fixs, String... keys)
DataSet	dispatch(String field, boolean unique, boolean recursion, List<String> fixs, String... keys)
DataSet	dispatch(String field, boolean unique, boolean recursion, String... keys)
DataSet	dispatch(String field, boolean unique, boolean recursion, String[] fixs, String... keys)
DataSet	dispatch(String field, DataSet items, List<String> fixs, String... keys)
DataSet	dispatch(String field, DataSet items, String... keys)
DataSet	dispatch(String field, DataSet items, String[] fixs, String... keys)
DataSet	dispatchItem(boolean unique, boolean recursion, String... keys) 已过时。
DataSet	dispatchItem(DataSet items, String... keys) 已过时。
DataSet	dispatchItem(String field, boolean unique, boolean recursion, DataSet items, String... keys) 已过时。
DataSet	dispatchItem(String field, boolean unique, boolean recursion, String... keys) 已过时。
DataSet	dispatchItem(String field, DataSet items, String... keys) 已过时。
DataSet	dispatchItems(boolean unique, boolean recursion, DataSet items, String... keys) 已过时。
DataSet	dispatchItems(boolean unique, boolean recursion, String... keys) 已过时。
DataSet	dispatchItems(DataSet items, String... keys) 已过时。
DataSet	dispatchItems(String field, boolean unique, boolean recursion, DataSet items, String... keys) 已过时。
DataSet	dispatchItems(String field, boolean unique, boolean recursion, String... keys) 已过时。
DataSet	dispatchItems(String field, DataSet items, String... keys) 已过时。
DataSet	dispatchs(boolean unique, boolean recursion, DataSet items, List<String> fixs, String... keys)
DataSet	dispatchs(boolean unique, boolean recursion, DataSet items, String... keys)
DataSet	dispatchs(boolean unique, boolean recursion, DataSet items, String[] fixs, String... keys)
DataSet	dispatchs(boolean unique, boolean recursion, List<String> fixs, String... keys)
DataSet	dispatchs(boolean unique, boolean recursion, String... keys)
DataSet	dispatchs(boolean unique, boolean recursion, String[] fixs, String... keys)
DataSet	dispatchs(DataSet items, List<String> fixs, String... keys)
DataSet	dispatchs(DataSet items, String... keys)
DataSet	dispatchs(DataSet items, String[] fixs, String... keys)
DataSet	dispatchs(String field, boolean unique, boolean recursion, DataSet items, List<String> fixs, String... keys) 从items中按相应的key提取数据 存入 dispatch("children",items, "DEPAT_CD") dispatchs("children",items, "CD:BASE_CD")
DataSet	dispatchs(String field, boolean unique, boolean recursion, DataSet items, String... keys)
DataSet	dispatchs(String field, boolean unique, boolean recursion, DataSet items, String[] fixs, String... keys)
DataSet	dispatchs(String field, boolean unique, boolean recursion, List<String> fixs, String... keys)
DataSet	dispatchs(String field, boolean unique, boolean recursion, String... keys)
DataSet	dispatchs(String field, boolean unique, boolean recursion, String[] fixs, String... keys)
DataSet	dispatchs(String field, DataSet items, List<String> fixs, String... keys)
DataSet	dispatchs(String field, DataSet items, String... keys)
DataSet	dispatchs(String field, DataSet items, String[] fixs, String... keys)
String	displayNavi()
String	displayNavi(String link) 分页
DataSet	distinct(List<String> keys)
DataSet	distinct(String... keys) 根据keys去重
DataSet	divide(String key, BigDecimal value, int mode)
DataSet	divide(String key, double value)
DataSet	divide(String key, float value)
DataSet	divide(String key, int value)
DataSet	divide(String key, short value)
DataSet	divide(String target, String key, BigDecimal value, int mode)
DataSet	divide(String target, String key, double value)
DataSet	divide(String target, String key, float value)
DataSet	divide(String target, String key, int value)
DataSet	divide(String target, String key, short value)
<T> List<T>	entity(Class<T> clazz) 转换成对象集合
<T> T	entity(Class<T> clazz, int idx)
<T> T	entity(int index, Class<T> clazz) 转换成对象
boolean	exists(String... params)
DataSet	extract(List<String> fixs, String... keys)
DataSet	extract(String... keys) 抽取指定列生成新的DataSet 新的DataSet只包括指定列的值与分页信息，不包含其他附加信息(如来源表)
DataSet	extract(String[] fixs, String... keys)
List<String>	fetchDistinctValue(String key) 取单列不重复的值
List<String>	fetchDistinctValues(String key)
List<Object>	fetchValues(String key) 提取单列值
DataSet	filter(int begin, int end, String key, String value) 提取符合指定属性值的集合
DataSet	formatDate(String format, String... cols) 日期格式化
DataSet	formatNumber(String format, String... cols) 数字格式化
Object	get(int index, String key)
Object	getChildren()
Object	getChildren(int idx) 子类
long	getCreateTime()
String	getDatalink()
String	getDataSource()
BigDecimal	getDecimal(int idx, String key)
BigDecimal	getDecimal(int idx, String key, BigDecimal def)
BigDecimal	getDecimal(int idx, String key, double def)
List<String>	getDistinctStrings(String key)
double	getDouble(int index, String key) double
double	getDouble(int index, String key, double def)
double	getDouble(String key)
double	getDouble(String key, double def)
String	getDoubleEscapeString(int index, String key)
String	getDoubleEscapeString(int index, String key, String def)
String	getDoubleEscapeString(String key)
String	getEscapeString(int index, String key) escape String
String	getEscapeString(int index, String key, String def)
String	getEscapeString(String key)
Exception	getException()
long	getExpires() 过期时间(毫秒)
List<String>	getHead() 表头
String	getHtmlString(int index, String key) html格式(未实现)
String	getHtmlString(int index, String key, String def)
String	getHtmlString(String key)
int	getInt(int index, String key) int
int	getInt(int index, String key, int def)
int	getInt(String key)
int	getInt(String key, int def)
List<Integer>	getInts(String key)
String	getJson()
String	getMessage()
PageNavi	getNavi()
List<String>	getNvlStrings(String key)
List<Object>	getObjects(String key)
Object	getParent()
Object	getParent(int idx) 父类
List<String>	getPrimaryKeys() 提取主键
Object	getQueryParam(String key)
Map<String,Object>	getQueryParams()
DataRow	getRow(DataRow params)
DataRow	getRow(int index) 读取一行数据
DataRow	getRow(int begin, DataRow params)
DataRow	getRow(int begin, String... params)
DataRow	getRow(List<String> params)
DataRow	getRow(String... params)
List<DataRow>	getRows()
DataSet	getRows(DataRow row, String... keys)
DataSet	getRows(DataSet set, String key)
DataSet	getRows(int fr, int to)
DataSet	getRows(int begin, int qty, DataRow kvs)
DataSet	getRows(int begin, int qty, Map<String,String> kvs)
DataSet	getRows(int begin, int qty, String... params) 筛选符合条件的集合 注意如果String类型 1与1.0比较不相等, 可以先调用convertNumber转换一下数据类型
DataSet	getRows(int begin, String... params)
DataSet	getRows(Map<String,String> kvs)
DataSet	getRows(String... params)
List<Object>	gets(String key)
String	getSchema()
List<DataSet>	getSets(String key)
int	getSize()
String	getString(int index, String key) String
String	getString(int index, String key, String def)
String	getString(String key)
String	getString(String key, String def)
List<String>	getStrings(String key)
List<String>	getStringsWithoutEmpty(String key)
List<String>	getStringsWithoutNull(String key)
String	getTable()
DataSet	group(List<String> fixs, String... keys)
DataSet	group(String... keys)
DataSet	group(String[] fixs, String... keys) 按keys分组
boolean	hasPrimaryKeys() 是否有主键
int	indexOf(Object obj)
DataSet	intersection(boolean distinct, DataSet set, String... keys) 交集
static DataSet	intersection(boolean distinct, List<DataSet> sets, String... keys) 多个集合的交集
DataSet	intersection(DataSet set, String... keys)
static DataSet	intersection(List<DataSet> sets, String... keys)
boolean	isEmpty() 返回数据是否为空
boolean	isException() 是否出现异常
boolean	isExpire()
boolean	isExpire(int millisecond) 验证是否过期 根据当前时间与创建时间对比 过期返回 true
boolean	isExpire(long millisecond)
boolean	isFromCache()
boolean	isResult()
boolean	isSuccess()
Iterator<DataRow>	iterator()
DataSet	join(DataSet items, List<String> fixs, String... keys) 根据keys列建立关联，并将关联出来的结果拼接到集合的条目上，如果有重复则覆盖条目
DataSet	join(DataSet items, String... keys)
DataSet	join(DataSet items, String[] fixs, String... keys)
DataRow	max(String key) key对应的value最大的一行
BigDecimal	maxDecimal(int top, String key) 最大值
BigDecimal	maxDecimal(String key)
double	maxDouble(int top, String key)
double	maxDouble(String key)
int	maxInt(int top, String key)
int	maxInt(String key)
DataRow	min(String key)
BigDecimal	minDecimal(int top, String key) 最小值
BigDecimal	minDecimal(String key)
double	minDouble(int top, String key)
double	minDouble(String key)
int	minInt(int top, String key)
int	minInt(String key)
DataSet	multiply(String key, BigDecimal value)
DataSet	multiply(String key, double value)
DataSet	multiply(String key, float value)
DataSet	multiply(String key, int value)
DataSet	multiply(String key, short value)
DataSet	multiply(String target, String key, BigDecimal value)
DataSet	multiply(String target, String key, double value)
DataSet	multiply(String target, String key, float value)
DataSet	multiply(String target, String key, int value)
DataSet	multiply(String target, String key, short value)
String	navi()
String	navi(String link)
DataSet	numberFormat(String key, String format)
DataSet	numberFormat(String target, String key, String format)
DataSet	nvl() NULL > ""
DataSet	or(DataSet set, String... keys)
DataSet	order(String... keys)
String[]	packParam(DataRow row, List<String> keys) 根据数据与属性列表 封装kvs ["ID","1","CODE","A01"]
String[]	packParam(DataRow row, List<String> fixs, String... keys)
String[]	packParam(DataRow row, String... keys)
String[]	packParam(DataRow row, String[] fixs, String... keys)
static DataSet	parse(Collection<?> list, String... fields) list解析成DataSet
static DataSet	parseJson(DataRow.KEY_CASE keyCase, com.fasterxml.jackson.databind.JsonNode json)
static DataSet	parseJson(DataRow.KEY_CASE keyCase, String json)
static DataSet	parseJson(com.fasterxml.jackson.databind.JsonNode json)
static DataSet	parseJson(String json)
DataSet	pivot(List<String> pks, List<String> classKeys, List<String> valueKeys) 行转列 表结构(编号, 姓名, 年度, 科目, 分数, 等级)
DataSet	pivot(List<String> pks, List<String> classKeys, String... valueKeys)
DataSet	pivot(String[] pks, String[] classKeys, String[] valueKeys)
DataSet	pivot(String pk, String classKey)
DataSet	pivot(String pk, String classKey, String valueKey) 行转列
DataSet	put(int idx, String key, Object value)
DataSet	put(String key, Object value)
DataSet	put(String key, Object value, boolean pk)
DataSet	put(String key, Object value, boolean pk, boolean override)
DataRow	random() 随机取一行
DataSet	randoms(int qty) 随机取qty行
DataSet	randoms(int min, int max) 随机取min到max行
DataSet	regex(String key, String regex)
DataSet	regex(String key, String regex, Regular.MATCH_MODE mode) 根据正则提取集合
boolean	remove(Object o)
DataSet	remove(String... keys) 移除每个条目中指定的key
boolean	removeAll(Collection<?> c)
DataSet	removeColumn(String... columns) 删除rows中的columns列
DataSet	removeEmptyColumn(String... columns) 删除rows中值为空(null|'')的列
DataSet	removeEmptyRow(String... keys) 清除指定列全为空的行,如果不指定keys,则清除所有列都为空的行
DataSet	removeNull(String... keys)
DataSet	removes(String... keys)
DataSet	replace(String oldChar, String newChar)
DataSet	replace(String key, String oldChar, String newChar)
DataSet	replaceEmpty(String value) 替换所有空值
DataSet	replaceEmpty(String key, String value) 替换所有空值
DataSet	replaceNull(String value) 替换所有NULL值
DataSet	replaceNull(String key, String value) 替换所有NULL值
boolean	retainAll(Collection<?> c)
DataSet	round(String key, int scale, int mode) 舍入
DataSet	round(String target, String key, int scale, int mode)
DataSet	set(int index, DataRow item)
DataSet	setChildren(int idx, Object children)
DataSet	setChildren(Object children)
void	setDatalink(String datalink)
DataSet	setDataSource(String dataSource)
DataSet	setException(Exception exception)
DataSet	setExpires(int millisecond)
DataSet	setExpires(long millisecond)
DataSet	setIsFromCache(boolean bol)
DataSet	setIsNew(boolean bol)
DataSet	setMessage(String message)
DataSet	setNavi(PageNavi navi)
DataSet	setParent(int idx, Object parent)
DataSet	setParent(Object parent)
DataSet	setPrimaryKey(boolean applyItem, Collection<String> pks)
DataSet	setPrimaryKey(boolean applyItem, String... pks) 设置主键
DataSet	setPrimaryKey(Collection<String> pks)
DataSet	setPrimaryKey(String... pks)
DataSet	setQueryParams(Map<String,Object> params)
DataSet	setResult(boolean result)
DataSet	setRows(List<DataRow> rows)
DataSet	setSchema(String schema)
DataSet	setTable(String table)
int	size() 记录数量
DataSet	skip(boolean skip)
List<DataSet>	split(int page) DataSet拆分成size部分
DataSet	subtract(String key, BigDecimal value)
DataSet	subtract(String key, double value)
DataSet	subtract(String key, float value)
DataSet	subtract(String key, int value)
DataSet	subtract(String key, short value)
DataSet	subtract(String target, String key, BigDecimal value)
DataSet	subtract(String target, String key, double value)
DataSet	subtract(String target, String key, float value)
DataSet	subtract(String target, String key, int value)
DataSet	subtract(String target, String key, short value)
BigDecimal	sum(int begin, int end, String key) 合计
BigDecimal	sum(String key)
DataRow	sums(DataRow result, List<String> fixs, String... keys) 多列合计
DataRow	sums(DataRow result, String[] fixs, String... keys)
DataRow	sums(String... keys)
Object[]	toArray()
Object[]	toArray(Object[] a)
String	toJson() rows 列表中的数据格式化成json格式 不同与toString
String	toJSON()
DataSet	toLowerKey()
Map<String,DataRow>	toMap(String key) 根据指定列生成map
String	toString() rows 列表中的数据格式化成json格式 不同与toJSON map.put("type", "list"); map.put("result", result); map.put("message", message); map.put("rows", rows); map.put("success", result); map.put("navi", navi);
DataSet	toUpperKey()
DataSet	trim()
DataRow	truncate(int begin) 从begin开始截断到最后一个并返回其中第一个DataRow
DataRow	truncate(int begin, int end) 从begin开始截断到end位置并返回其中第一个DataRow
DataSet	truncates(int begin) 从begin开始截断到最后一个
DataSet	truncates(int begin, int end) 从begin开始截断到end,方法执行将改变原DataSet长度
DataSet	union(DataSet set, List<String> fixs, String... keys) 合并
DataSet	union(DataSet set, String... keys)
DataSet	union(DataSet set, String[] fixs, String... keys)
DataSet	unionAll(DataSet set) 合并合并不去重
DataSet	unique(String... keys)

从类继承的方法 java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

从接口继承的方法 java.util.Collection

equals, hashCode, parallelStream, removeIf, spliterator, stream

从接口继承的方法 java.lang.Iterable

forEach

字段详细资料

log

protected static final org.slf4j.Logger log

select

public DataSet.Select select

构造器详细资料

DataSet

public DataSet()

DataSet

public DataSet(List<Map<String,Object>> list)

方法详细资料

creatIndex

public DataSet creatIndex(String key)

创建索引

参数:

key - key

返回:

DataSet crateIndex("ID"); crateIndex("ID:ASC");

build

public static DataSet build(Collection<?> list,
                            String... fields)

parse

public static DataSet parse(Collection<?> list,
                            String... fields)

list解析成DataSet

参数:

list - list

fields - 如果list是二维数据 fields 下标对应的属性(字段/key)名称 如"ID","CODE","NAME" 如果不输入则以下标作为DataRow的key 如row.put("0","100").put("1","A01").put("2","张三"); 如果属性数量超出list长度，取null值存入DataRow 如果list是一组数组 fileds对应条目的属性值 如果不输入 则以条目的属性作DataRow的key 如"USER_ID:id","USER_NM:name"

返回:

DataSet

parseJson

public static DataSet parseJson(DataRow.KEY_CASE keyCase,
                                String json)

parseJson

public static DataSet parseJson(String json)

parseJson

public static DataSet parseJson(DataRow.KEY_CASE keyCase,
                                com.fasterxml.jackson.databind.JsonNode json)

parseJson

public static DataSet parseJson(com.fasterxml.jackson.databind.JsonNode json)

Camel

public DataSet Camel()

camel

public DataSet camel()

setIsNew

public DataSet setIsNew(boolean bol)

remove

public DataSet remove(String... keys)

移除每个条目中指定的key

参数:

keys - keys

返回:

DataSet

trim

public DataSet trim()

addPrimaryKey

public DataSet addPrimaryKey(boolean applyItem,
                             String... pks)

添加主键

参数:

applyItem - 是否应用到集合中的DataRow 默认true

pks - pks

返回:

DataSet

addPrimaryKey

public DataSet addPrimaryKey(String... pks)

addPrimaryKey

public DataSet addPrimaryKey(boolean applyItem,
                             Collection<String> pks)

addPrimaryKey

public DataSet addPrimaryKey(Collection<String> pks)

setPrimaryKey

public DataSet setPrimaryKey(boolean applyItem,
                             String... pks)

设置主键

参数:

applyItem - applyItem

pks - pks

返回:

DataSet

setPrimaryKey

public DataSet setPrimaryKey(String... pks)

setPrimaryKey

public DataSet setPrimaryKey(boolean applyItem,
                             Collection<String> pks)

setPrimaryKey

public DataSet setPrimaryKey(Collection<String> pks)

set

public DataSet set(int index,
                   DataRow item)

hasPrimaryKeys

public boolean hasPrimaryKeys()

是否有主键

返回:

boolean

getPrimaryKeys

public List<String> getPrimaryKeys()

提取主键

返回:

List

addHead

public DataSet addHead(String col)

添加表头

参数:

col - col

返回:

DataSet

getHead

public List<String> getHead()

表头

返回:

List

indexOf

public int indexOf(Object obj)

truncates

public DataSet truncates(int begin,
                         int end)

从begin开始截断到end,方法执行将改变原DataSet长度

参数:

begin - 开始位置

end - 结束位置

返回:

DataSet

truncates

public DataSet truncates(int begin)

从begin开始截断到最后一个

参数:

begin - 开始位置

返回:

DataSet

truncate

public DataRow truncate(int begin)

从begin开始截断到最后一个并返回其中第一个DataRow

参数:

begin - 开始位置

返回:

DataRow

truncate

public DataRow truncate(int begin,
                        int end)

从begin开始截断到end位置并返回其中第一个DataRow

参数:

begin - 开始位置

end - 结束位置

返回:

DataRow

cuts

public DataSet cuts(int begin)

从begin开始截取到最后一个

参数:

begin - 开始位置 如果输入负数则取后n个,如果造成数量不足，则取全部

返回:

DataSet

cuts

public DataSet cuts(int begin,
                    int end)

从begin开始截取到end位置，方法执行时会创建新的DataSet并不改变原有set长度

参数:

begin - 开始位置

end - 结束位置

返回:

DataSet

cut

public DataRow cut(int begin)

从begin开始截取到最后一个,并返回其中第一个DataRow

参数:

begin - 开始位置

返回:

DataSet

cut

public DataRow cut(int begin,
                   int end)

从begin开始截取到end位置，并返回其中第一个DataRow,方法执行时会创建新的DataSet并不改变原有set长度

参数:

begin - 开始位置

end - 结束位置

返回:

DataSet

size

public int size()

记录数量

指定者:

size 在接口中 Collection<DataRow>

返回:

int

getSize

public int getSize()

isException

public boolean isException()

是否出现异常

返回:

boolean

isFromCache

public boolean isFromCache()

setIsFromCache

public DataSet setIsFromCache(boolean bol)

isEmpty

public boolean isEmpty()

返回数据是否为空

指定者:

isEmpty 在接口中 Collection<DataRow>

返回:

boolean

getRow

public DataRow getRow(int index)

读取一行数据

参数:

index - index

返回:

DataRow

exists

public boolean exists(String... params)

getRow

public DataRow getRow(String... params)

getRow

public DataRow getRow(DataRow params)

getRow

public DataRow getRow(List<String> params)

getRow

public DataRow getRow(int begin,
                      String... params)

getRow

public DataRow getRow(int begin,
                      DataRow params)

distinct

public DataSet distinct(String... keys)

根据keys去重

参数:

keys - keys

返回:

DataSet

distinct

public DataSet distinct(List<String> keys)

clone

public Object clone()

覆盖:

clone 在类中 Object

cloneProperty

public static DataSet cloneProperty(DataSet from,
                                    DataSet to)

convertNumber

public DataSet convertNumber(String... keys)

指定key转换成number

参数:

keys - keys

返回:

DataRow

convertString

public DataSet convertString(String... keys)

skip

public DataSet skip(boolean skip)

getRows

public DataSet getRows(int begin,
                       int qty,
                       String... params)

筛选符合条件的集合 注意如果String类型 1与1.0比较不相等, 可以先调用convertNumber转换一下数据类型

参数:

params - key1,value1,key2:value2,key3,value3 "NM:zh%","AGE:>20","NM","%zh%"

begin - begin

qty - 最多筛选多少个 0表示不限制

返回:

DataSet

getRows

public DataSet getRows(int begin,
                       int qty,
                       DataRow kvs)

getRows

public DataSet getRows(int begin,
                       int qty,
                       Map<String,String> kvs)

getRows

public DataSet getRows(int begin,
                       String... params)

getRows

public DataSet getRows(String... params)

getRows

public DataSet getRows(DataSet set,
                       String key)

getRows

public DataSet getRows(DataRow row,
                       String... keys)

formatNumber

public DataSet formatNumber(String format,
                            String... cols)

数字格式化

参数:

format - format

cols - cols

返回:

DataSet

numberFormat

public DataSet numberFormat(String target,
                            String key,
                            String format)

numberFormat

public DataSet numberFormat(String key,
                            String format)

formatDate

public DataSet formatDate(String format,
                          String... cols)

日期格式化

参数:

format - format

cols - cols

返回:

DataSet

dateFormat

public DataSet dateFormat(String target,
                          String key,
                          String format)

dateFormat

public DataSet dateFormat(String key,
                          String format)

filter

public DataSet filter(int begin,
                      int end,
                      String key,
                      String value)

提取符合指定属性值的集合

参数:

begin - begin

end - end

key - key

value - value

返回:

DataSet

getRows

public DataSet getRows(int fr,
                       int to)

sum

public BigDecimal sum(int begin,
                      int end,
                      String key)

合计

参数:

begin - 开始

end - 结束

key - key

返回:

BigDecimal

sum

public BigDecimal sum(String key)

sums

public DataRow sums(DataRow result,
                    List<String> fixs,
                    String... keys)

多列合计

参数:

result - 保存合计结果

fixs - fixs

keys - keys

返回:

DataRow

sums

public DataRow sums(DataRow result,
                    String[] fixs,
                    String... keys)

sums

public DataRow sums(String... keys)

avgs

public DataRow avgs(DataRow result,
                    List<String> fixs,
                    String... keys)

多列平均值

参数:

result - 保存合计结果

fixs - fixs

keys - keys

返回:

DataRow

avgs

public DataRow avgs(DataRow result,
                    String[] fixs,
                    String... keys)

avgs

public DataRow avgs(String... keys)

avgs

public DataRow avgs(DataRow result,
                    int scale,
                    int round,
                    List<String> fixs,
                    String... keys)

多列平均值

参数:

result - 保存合计结果

scale - scale

round - round

fixs - fixs

keys - keys

返回:

DataRow

avgs

public DataRow avgs(DataRow result,
                    int scale,
                    int round,
                    String[] fixs,
                    String... keys)

avgs

public DataRow avgs(int scale,
                    int round,
                    String... keys)

maxDecimal

public BigDecimal maxDecimal(int top,
                             String key)

最大值

参数:

top - 多少行

key - key

返回:

BigDecimal

maxDecimal

public BigDecimal maxDecimal(String key)

maxInt

public int maxInt(int top,
                  String key)

maxInt

public int maxInt(String key)

maxDouble

public double maxDouble(int top,
                        String key)

maxDouble

public double maxDouble(String key)

minDecimal

public BigDecimal minDecimal(int top,
                             String key)

最小值

参数:

top - 多少行

key - key

返回:

BigDecimal

minDecimal

public BigDecimal minDecimal(String key)

minInt

public int minInt(int top,
                  String key)

minInt

public int minInt(String key)

minDouble

public double minDouble(int top,
                        String key)

minDouble

public double minDouble(String key)

max

public DataRow max(String key)

key对应的value最大的一行

参数:

key - key

返回:

DataRow

min

public DataRow min(String key)

avg

public BigDecimal avg(int top,
                      String key,
                      int scale,
                      int round)

平均值 空数据不参与加法但参与除法

参数:

top - 多少行

key - key

scale - scale

round - round

返回:

BigDecimal

avg

public BigDecimal avg(String key,
                      int scale,
                      int round)

avg

public BigDecimal avg(String key)

addRow

public DataSet addRow(DataRow row)

addRow

public DataSet addRow(int idx,
                      DataRow row)

concat

public String concat(String key,
                     String connector)

合并key例的值 以connector连接

参数:

key - key

connector - connector

返回:

String v1,v2,v3

concatNvl

public String concatNvl(String key,
                        String connector)

concatWithoutNull

public String concatWithoutNull(String key,
                                String connector)

合并key例的值 以connector连接(不取null值)

参数:

key - key

connector - connector

返回:

String v1,v2,v3

concatWithoutEmpty

public String concatWithoutEmpty(String key,
                                 String connector)

合并key例的值 以connector连接(不取空值)

参数:

key - key

connector - connector

返回:

String v1,v2,v3

concatNvl

public String concatNvl(String key)

concatWithoutNull

public String concatWithoutNull(String key)

concatWithoutEmpty

public String concatWithoutEmpty(String key)

concat

public String concat(String key)

fetchValues

public List<Object> fetchValues(String key)

提取单列值

参数:

key - key

返回:

List

fetchDistinctValue

public List<String> fetchDistinctValue(String key)

取单列不重复的值

参数:

key - key

返回:

List

fetchDistinctValues

public List<String> fetchDistinctValues(String key)

displayNavi

public String displayNavi(String link)

分页

参数:

link - link

返回:

String

navi

public String navi(String link)

displayNavi

public String displayNavi()

navi

public String navi()

put

public DataSet put(int idx,
                   String key,
                   Object value)

removes

public DataSet removes(String... keys)

getString

public String getString(int index,
                        String key)
                 throws Exception

String

参数:

index - index

key - key

返回:

String

抛出:

Exception - Exception

getString

public String getString(int index,
                        String key,
                        String def)

getString

public String getString(String key)
                 throws Exception

抛出:

Exception

getString

public String getString(String key,
                        String def)

get

public Object get(int index,
                  String key)

gets

public List<Object> gets(String key)

getSets

public List<DataSet> getSets(String key)

getStrings

public List<String> getStrings(String key)

getInts

public List<Integer> getInts(String key)
                      throws Exception

抛出:

Exception

getObjects

public List<Object> getObjects(String key)

getDistinctStrings

public List<String> getDistinctStrings(String key)

getNvlStrings

public List<String> getNvlStrings(String key)

getStringsWithoutEmpty

public List<String> getStringsWithoutEmpty(String key)

getStringsWithoutNull

public List<String> getStringsWithoutNull(String key)

getDecimal

public BigDecimal getDecimal(int idx,
                             String key)
                      throws Exception

抛出:

Exception

getDecimal

public BigDecimal getDecimal(int idx,
                             String key,
                             double def)

getDecimal

public BigDecimal getDecimal(int idx,
                             String key,
                             BigDecimal def)

extract

public DataSet extract(String... keys)

抽取指定列生成新的DataSet 新的DataSet只包括指定列的值与分页信息，不包含其他附加信息(如来源表)

参数:

keys - keys

返回:

DataSet

extract

public DataSet extract(String[] fixs,
                       String... keys)

extract

public DataSet extract(List<String> fixs,
                       String... keys)

getHtmlString

public String getHtmlString(int index,
                            String key)
                     throws Exception

html格式(未实现)

参数:

index - index

key - key

返回:

String

抛出:

Exception - Exception

getHtmlString

public String getHtmlString(int index,
                            String key,
                            String def)

getHtmlString

public String getHtmlString(String key)
                     throws Exception

抛出:

Exception

getEscapeString

public String getEscapeString(int index,
                              String key)
                       throws Exception

escape String

参数:

index - index

key - key

返回:

String

抛出:

Exception - Exception

getEscapeString

public String getEscapeString(int index,
                              String key,
                              String def)

getDoubleEscapeString

public String getDoubleEscapeString(int index,
                                    String key)
                             throws Exception

抛出:

Exception

getDoubleEscapeString

public String getDoubleEscapeString(int index,
                                    String key,
                                    String def)

getEscapeString

public String getEscapeString(String key)
                       throws Exception

抛出:

Exception

getDoubleEscapeString

public String getDoubleEscapeString(String key)
                             throws Exception

抛出:

Exception

getInt

public int getInt(int index,
                  String key)
           throws Exception

int

参数:

index - index

key - key

返回:

int

抛出:

Exception - Exception

getInt

public int getInt(int index,
                  String key,
                  int def)

getInt

public int getInt(String key)
           throws Exception

抛出:

Exception

getInt

public int getInt(String key,
                  int def)

getDouble

public double getDouble(int index,
                        String key)
                 throws Exception

double

参数:

index - index

key - key

返回:

double

抛出:

Exception - Exception

getDouble

public double getDouble(int index,
                        String key,
                        double def)

getDouble

public double getDouble(String key)
                 throws Exception

抛出:

Exception

getDouble

public double getDouble(String key,
                        double def)

add

public DataSet add(String target,
                   String key,
                   int value)

在key列基础上 +value,如果原来没有key列则默认0并put到target 如果target与key一致则覆盖原值

参数:

target - 计算结果key

key - key

value - value

返回:

this

add

public DataSet add(String target,
                   String key,
                   double value)

add

public DataSet add(String target,
                   String key,
                   short value)

add

public DataSet add(String target,
                   String key,
                   float value)

add

public DataSet add(String target,
                   String key,
                   BigDecimal value)

add

public DataSet add(String key,
                   int value)

add

public DataSet add(String key,
                   double value)

add

public DataSet add(String key,
                   short value)

add

public DataSet add(String key,
                   float value)

add

public DataSet add(String key,
                   BigDecimal value)

subtract

public DataSet subtract(String target,
                        String key,
                        int value)

subtract

public DataSet subtract(String target,
                        String key,
                        double value)

subtract

public DataSet subtract(String target,
                        String key,
                        short value)

subtract

public DataSet subtract(String target,
                        String key,
                        float value)

subtract

public DataSet subtract(String target,
                        String key,
                        BigDecimal value)

subtract

public DataSet subtract(String key,
                        int value)

subtract

public DataSet subtract(String key,
                        double value)

subtract

public DataSet subtract(String key,
                        short value)

subtract

public DataSet subtract(String key,
                        float value)

subtract

public DataSet subtract(String key,
                        BigDecimal value)

multiply

public DataSet multiply(String target,
                        String key,
                        int value)

multiply

public DataSet multiply(String target,
                        String key,
                        double value)

multiply

public DataSet multiply(String target,
                        String key,
                        short value)

multiply

public DataSet multiply(String target,
                        String key,
                        float value)

multiply

public DataSet multiply(String target,
                        String key,
                        BigDecimal value)

multiply

public DataSet multiply(String key,
                        int value)

multiply

public DataSet multiply(String key,
                        double value)

multiply

public DataSet multiply(String key,
                        short value)

multiply

public DataSet multiply(String key,
                        float value)

multiply

public DataSet multiply(String key,
                        BigDecimal value)

divide

public DataSet divide(String target,
                      String key,
                      int value)

divide

public DataSet divide(String target,
                      String key,
                      double value)

divide

public DataSet divide(String target,
                      String key,
                      short value)

divide

public DataSet divide(String target,
                      String key,
                      float value)

divide

public DataSet divide(String target,
                      String key,
                      BigDecimal value,
                      int mode)

divide

public DataSet divide(String key,
                      int value)

divide

public DataSet divide(String key,
                      double value)

divide

public DataSet divide(String key,
                      short value)

divide

public DataSet divide(String key,
                      float value)

divide

public DataSet divide(String key,
                      BigDecimal value,
                      int mode)

round

public DataSet round(String target,
                     String key,
                     int scale,
                     int mode)

round

public DataSet round(String key,
                     int scale,
                     int mode)

舍入

参数:

key - 属性

scale - 小数位

mode - 舍入 参考BigDecimal ROUND_UP 舍入远离零的舍入模式 在丢弃非零部分之前始终增加数字（始终对非零舍弃部分前面的数字加 1） 如:2.36 转成 2.4 ROUND_DOWN 接近零的舍入模式 在丢弃某部分之前始终不增加数字(从不对舍弃部分前面的数字加1，即截短)。 如:2.36 转成 2.3 ROUND_CEILING 接近正无穷大的舍入模式 如果 BigDecimal 为正，则舍入行为与 ROUND_UP 相同 如果为负，则舍入行为与 ROUND_DOWN 相同 相当于是 ROUND_UP 和 ROUND_DOWN 的合集 ROUND_FLOOR 接近负无穷大的舍入模式 如果 BigDecimal 为正，则舍入行为与 ROUND_DOWN 相同 如果为负，则舍入行为与 ROUND_UP 相同 与ROUND_CEILING 正好相反 ROUND_HALF_UP 四舍五入 ROUND_HALF_DOWN 五舍六入 ROUND_HALF_EVEN 四舍六入 五留双 如果舍弃部分左边的数字为奇数，则舍入行为与 ROUND_HALF_UP 相同（四舍五入） 如果为偶数，则舍入行为与 ROUND_HALF_DOWN 相同（五舍六入） 如:1.15 转成 1.1，1.25 转成 1.2 ROUND_UNNECESSARY 断言请求的操作具有精确的结果，因此不需要舍入 如果对获得精确结果的操作指定此舍入模式，则抛出 ArithmeticException

返回:

DataSet

split

public List<DataSet> split(int page)

DataSet拆分成size部分

参数:

page - 拆成多少部分

返回:

list

toString

public String toString()

rows 列表中的数据格式化成json格式 不同与toJSON map.put("type", "list"); map.put("result", result); map.put("message", message); map.put("rows", rows); map.put("success", result); map.put("navi", navi);

覆盖:

toString 在类中 Object

toJson

public String toJson()

rows 列表中的数据格式化成json格式 不同与toString

返回:

String

getJson

public String getJson()

toJSON

public String toJSON()

toMap

public Map<String,DataRow> toMap(String key)

根据指定列生成map

参数:

key - ID,{ID}_{NM}

返回:

Map

getChildren

public Object getChildren(int idx)

子类

参数:

idx - idx

返回:

Object

getChildren

public Object getChildren()

setChildren

public DataSet setChildren(int idx,
                           Object children)

setChildren

public DataSet setChildren(Object children)

getParent

public Object getParent(int idx)

父类

参数:

idx - idx

返回:

Object

getParent

public Object getParent()

setParent

public DataSet setParent(int idx,
                         Object parent)

setParent

public DataSet setParent(Object parent)

entity

public <T> T entity(int index,
                    Class<T> clazz)

转换成对象

类型参数:

T - T

参数:

index - index

clazz - clazz

返回:

T

entity

public <T> List<T> entity(Class<T> clazz)

转换成对象集合

类型参数:

T - T

参数:

clazz - clazz

返回:

List

entity

public <T> T entity(Class<T> clazz,
                    int idx)

setDataSource

public DataSet setDataSource(String dataSource)

union

public DataSet union(DataSet set,
                     List<String> fixs,
                     String... keys)

合并

参数:

set - DataSet

fixs - fixs

keys - 根据keys去重

返回:

DataSet

union

public DataSet union(DataSet set,
                     String[] fixs,
                     String... keys)

union

public DataSet union(DataSet set,
                     String... keys)

unionAll

public DataSet unionAll(DataSet set)

合并合并不去重

参数:

set - set

返回:

DataSet

contains

public boolean contains(DataRow row,
                        List<String> fixs,
                        String... keys)

是否包含这一行

参数:

row - row

fixs - fixs

keys - keys

返回:

boolean

contains

public boolean contains(DataRow row,
                        String[] fixs,
                        String... keys)

contains

public boolean contains(DataRow row,
                        String... keys)

packParam

public String[] packParam(DataRow row,
                          List<String> fixs,
                          String... keys)

packParam

public String[] packParam(DataRow row,
                          String[] fixs,
                          String... keys)

packParam

public String[] packParam(DataRow row,
                          String... keys)

packParam

public String[] packParam(DataRow row,
                          List<String> keys)

根据数据与属性列表 封装kvs ["ID","1","CODE","A01"]

参数:

row - 数据 DataRow

keys - 属性 ID,CODE

返回:

kvs

dispatchs

public DataSet dispatchs(String field,
                         boolean unique,
                         boolean recursion,
                         DataSet items,
                         List<String> fixs,
                         String... keys)

从items中按相应的key提取数据 存入 dispatch("children",items, "DEPAT_CD") dispatchs("children",items, "CD:BASE_CD")

参数:

field - 默认"ITEMS"

unique - 是否只分配一次(同一个条目不能分配到多个组中)

recursion - 是否递归

items - items

fixs - fixs

keys - ID:DEPT_ID或ID

返回:

DataSet

dispatchs

public DataSet dispatchs(String field,
                         boolean unique,
                         boolean recursion,
                         DataSet items,
                         String[] fixs,
                         String... keys)

dispatchs

public DataSet dispatchs(String field,
                         boolean unique,
                         boolean recursion,
                         DataSet items,
                         String... keys)

dispatchs

public DataSet dispatchs(boolean unique,
                         boolean recursion,
                         DataSet items,
                         String... keys)

dispatchs

public DataSet dispatchs(boolean unique,
                         boolean recursion,
                         DataSet items,
                         List<String> fixs,
                         String... keys)

dispatchs

public DataSet dispatchs(boolean unique,
                         boolean recursion,
                         DataSet items,
                         String[] fixs,
                         String... keys)

dispatchs

public DataSet dispatchs(String field,
                         DataSet items,
                         String... keys)

dispatchs

public DataSet dispatchs(String field,
                         DataSet items,
                         String[] fixs,
                         String... keys)

dispatchs

public DataSet dispatchs(String field,
                         DataSet items,
                         List<String> fixs,
                         String... keys)

dispatchs

public DataSet dispatchs(DataSet items,
                         String... keys)

dispatchs

public DataSet dispatchs(DataSet items,
                         List<String> fixs,
                         String... keys)

dispatchs

public DataSet dispatchs(DataSet items,
                         String[] fixs,
                         String... keys)

dispatchs

public DataSet dispatchs(boolean unique,
                         boolean recursion,
                         String... keys)

dispatchs

public DataSet dispatchs(boolean unique,
                         boolean recursion,
                         List<String> fixs,
                         String... keys)

dispatchs

public DataSet dispatchs(boolean unique,
                         boolean recursion,
                         String[] fixs,
                         String... keys)

dispatchs

public DataSet dispatchs(String field,
                         boolean unique,
                         boolean recursion,
                         String... keys)

dispatchs

public DataSet dispatchs(String field,
                         boolean unique,
                         boolean recursion,
                         List<String> fixs,
                         String... keys)

dispatchs

public DataSet dispatchs(String field,
                         boolean unique,
                         boolean recursion,
                         String[] fixs,
                         String... keys)

dispatch

public DataSet dispatch(String field,
                        boolean unique,
                        boolean recursion,
                        DataSet items,
                        List<String> fixs,
                        String... keys)

dispatch

public DataSet dispatch(String field,
                        boolean unique,
                        boolean recursion,
                        DataSet items,
                        String[] fixs,
                        String... keys)

dispatch

public DataSet dispatch(String field,
                        boolean unique,
                        boolean recursion,
                        DataSet items,
                        String... keys)

dispatch

public DataSet dispatch(String field,
                        DataSet items,
                        String... keys)

dispatch

public DataSet dispatch(String field,
                        DataSet items,
                        String[] fixs,
                        String... keys)

dispatch

public DataSet dispatch(String field,
                        DataSet items,
                        List<String> fixs,
                        String... keys)

dispatch

public DataSet dispatch(DataSet items,
                        String... keys)

dispatch

public DataSet dispatch(DataSet items,
                        String[] fixs,
                        String... keys)

dispatch

public DataSet dispatch(DataSet items,
                        List<String> fixs,
                        String... keys)

dispatch

public DataSet dispatch(boolean unique,
                        boolean recursion,
                        String... keys)

dispatch

public DataSet dispatch(boolean unique,
                        boolean recursion,
                        String[] fixs,
                        String... keys)

dispatch

public DataSet dispatch(boolean unique,
                        boolean recursion,
                        List<String> fixs,
                        String... keys)

dispatch

public DataSet dispatch(String field,
                        boolean unique,
                        boolean recursion,
                        String... keys)

dispatch

public DataSet dispatch(String field,
                        boolean unique,
                        boolean recursion,
                        String[] fixs,
                        String... keys)

dispatch

public DataSet dispatch(String field,
                        boolean unique,
                        boolean recursion,
                        List<String> fixs,
                        String... keys)

dispatchItems

@Deprecated
public DataSet dispatchItems(String field,
                                          boolean unique,
                                          boolean recursion,
                                          DataSet items,
                                          String... keys)

已过时。

直接调用dispatchs

参数:

field - 默认"ITEMS"

unique - 是否只分配一次(同一个条目不能分配到多个组中)

recursion - 是否递归

items - items

keys - ID:DEPT_ID或ID

返回:

DataSet

dispatchItems

@Deprecated
public DataSet dispatchItems(boolean unique,
                                          boolean recursion,
                                          DataSet items,
                                          String... keys)

已过时。

dispatchItems

@Deprecated
public DataSet dispatchItems(String field,
                                          DataSet items,
                                          String... keys)

已过时。

dispatchItems

@Deprecated
public DataSet dispatchItems(DataSet items,
                                          String... keys)

已过时。

dispatchItems

@Deprecated
public DataSet dispatchItems(boolean unique,
                                          boolean recursion,
                                          String... keys)

已过时。

dispatchItems

@Deprecated
public DataSet dispatchItems(String field,
                                          boolean unique,
                                          boolean recursion,
                                          String... keys)

已过时。

dispatchItem

@Deprecated
public DataSet dispatchItem(String field,
                                         boolean unique,
                                         boolean recursion,
                                         DataSet items,
                                         String... keys)

已过时。

dispatchItem

@Deprecated
public DataSet dispatchItem(String field,
                                         DataSet items,
                                         String... keys)

已过时。

dispatchItem

@Deprecated
public DataSet dispatchItem(DataSet items,
                                         String... keys)

已过时。

dispatchItem

@Deprecated
public DataSet dispatchItem(boolean unique,
                                         boolean recursion,
                                         String... keys)

已过时。

dispatchItem

@Deprecated
public DataSet dispatchItem(String field,
                                         boolean unique,
                                         boolean recursion,
                                         String... keys)

已过时。

join

public DataSet join(DataSet items,
                    List<String> fixs,
                    String... keys)

根据keys列建立关联，并将关联出来的结果拼接到集合的条目上，如果有重复则覆盖条目

参数:

items - 被查询的集合

fixs - 关联条件列

keys - 关联条件列

返回:

DataSet

join

public DataSet join(DataSet items,
                    String[] fixs,
                    String... keys)

join

public DataSet join(DataSet items,
                    String... keys)

toLowerKey

public DataSet toLowerKey()

toUpperKey

public DataSet toUpperKey()

group

public DataSet group(String[] fixs,
                     String... keys)

按keys分组

参数:

fixs - keys

keys - keys

返回:

DataSet

group

public DataSet group(List<String> fixs,
                     String... keys)

group

public DataSet group(String... keys)

or

public DataSet or(DataSet set,
                  String... keys)

getRows

public DataSet getRows(Map<String,String> kvs)

intersection

public static DataSet intersection(boolean distinct,
                                   List<DataSet> sets,
                                   String... keys)

多个集合的交集

参数:

distinct - 是否根据keys抽取不重复的集合

sets - 集合

keys - 判断依据

返回:

DataSet

intersection

public static DataSet intersection(List<DataSet> sets,
                                   String... keys)

intersection

public DataSet intersection(boolean distinct,
                            DataSet set,
                            String... keys)

交集

参数:

distinct - 是否根据keys抽取不重复的集合(根据keys去重)

set - set

keys - 根据keys列比较是否相等，如果列名不一致"ID:USER_ID",ID表示当前DataSet的列,USER_ID表示参数中DataSet的列

返回:

DataSet

intersection

public DataSet intersection(DataSet set,
                            String... keys)

and

public DataSet and(boolean distinct,
                   DataSet set,
                   String... keys)

and

public DataSet and(DataSet set,
                   String... keys)

complement

public DataSet complement(boolean distinct,
                          DataSet set,
                          String... keys)

补集 在this中，但不在set中 this作为超集 set作为子集

参数:

distinct - 是否根据keys抽取不重复的集合

set - set

keys - keys

返回:

DataSet

complement

public DataSet complement(DataSet set,
                          String... keys)

difference

public DataSet difference(boolean distinct,
                          DataSet set,
                          String... keys)

差集 从当前集合中删除set中存在的row,生成新的DataSet并不修改当前对象 this中有 set中没有的

参数:

distinct - 是否根据keys抽取不重复的集合

set - set

keys - CD,"CD:WORK_CD"

返回:

DataSet

difference

public DataSet difference(DataSet set,
                          String... keys)

removeEmptyRow

public DataSet removeEmptyRow(String... keys)

清除指定列全为空的行,如果不指定keys,则清除所有列都为空的行

参数:

keys - keys

返回:

DataSet

changeKey

public DataSet changeKey(String key,
                         String target,
                         boolean remove)

changeKey

public DataSet changeKey(String key,
                         String target)

removeColumn

public DataSet removeColumn(String... columns)

删除rows中的columns列

参数:

columns - 检测的列，如果不输入则检测所有列

返回:

DataSet

removeEmptyColumn

public DataSet removeEmptyColumn(String... columns)

删除rows中值为空(null|'')的列

参数:

columns - 检测的列，如果不输入则检测所有列

返回:

DataSet

nvl

public DataSet nvl()

NULL > ""

返回:

DataSet

add

public boolean add(DataRow e)

指定者:

add 在接口中 Collection<DataRow>

addAll

public boolean addAll(Collection c)

指定者:

addAll 在接口中 Collection<DataRow>

clear

public void clear()

指定者:

clear 在接口中 Collection<DataRow>

contains

public boolean contains(Object o)

指定者:

contains 在接口中 Collection<DataRow>

containsAll

public boolean containsAll(Collection<?> c)

指定者:

containsAll 在接口中 Collection<DataRow>

iterator

public Iterator<DataRow> iterator()

指定者:

iterator 在接口中 Iterable<DataRow>

指定者:

iterator 在接口中 Collection<DataRow>

remove

public boolean remove(Object o)

指定者:

remove 在接口中 Collection<DataRow>

removeAll

public boolean removeAll(Collection<?> c)

指定者:

removeAll 在接口中 Collection<DataRow>

retainAll

public boolean retainAll(Collection<?> c)

指定者:

retainAll 在接口中 Collection<DataRow>

toArray

public Object[] toArray()

指定者:

toArray 在接口中 Collection<DataRow>

toArray

public Object[] toArray(Object[] a)

指定者:

toArray 在接口中 Collection<DataRow>

getSchema

public String getSchema()

setSchema

public DataSet setSchema(String schema)

getTable

public String getTable()

setTable

public DataSet setTable(String table)

isExpire

public boolean isExpire(int millisecond)

验证是否过期 根据当前时间与创建时间对比 过期返回 true

参数:

millisecond - 过期时间(毫秒) millisecond 过期时间(毫秒)

返回:

boolean

isExpire

public boolean isExpire(long millisecond)

isExpire

public boolean isExpire()

getCreateTime

public long getCreateTime()

getRows

public List<DataRow> getRows()

getExpires

public long getExpires()

过期时间(毫秒)

返回:

long

setExpires

public DataSet setExpires(long millisecond)

setExpires

public DataSet setExpires(int millisecond)

isResult

public boolean isResult()

isSuccess

public boolean isSuccess()

setResult

public DataSet setResult(boolean result)

getException

public Exception getException()

setException

public DataSet setException(Exception exception)

getMessage

public String getMessage()

setMessage

public DataSet setMessage(String message)

getNavi

public PageNavi getNavi()

setNavi

public DataSet setNavi(PageNavi navi)

setRows

public DataSet setRows(List<DataRow> rows)

getDataSource

public String getDataSource()

order

public DataSet order(String... keys)

put

public DataSet put(String key,
                   Object value,
                   boolean pk,
                   boolean override)

put

public DataSet put(String key,
                   Object value,
                   boolean pk)

put

public DataSet put(String key,
                   Object value)

pivot

public DataSet pivot(List<String> pks,
                     List<String> classKeys,
                     List<String> valueKeys)

行转列 表结构(编号, 姓名, 年度, 科目, 分数, 等级)

参数:

pks - 唯一标识key(如编号,姓名)

classKeys - 分类key(如年度,科目)

valueKeys - 取值key(如分数,等级),如果不指定key则将整行作为value

返回:

如果指定key 返回结构 [ {编号:01,姓名:张三,2010-数学-分数:100}, {编号:01,姓名:张三,2010-数学-等级:A}, {编号:01,姓名:张三,2010-物理-分数:100} ] 如果只有一个valueKey则返回[ {编号:01,姓名:张三,2010-数学:100}, {编号:01,姓名:张三,2010-物理:90} ] 不指定valuekey则返回 [ {编号:01,姓名:张三,2010-数学:{分数:100,等级:A}}, {编号:01,姓名:张三,2010-物理:{分数:100,等级:A}} ]

pivot

public DataSet pivot(String[] pks,
                     String[] classKeys,
                     String[] valueKeys)

pivot

public DataSet pivot(String pk,
                     String classKey,
                     String valueKey)

行转列

参数:

pk - 唯一标识key(如姓名)多个key以,分隔如(编号,姓名)

classKey - 分类key(如科目)多个key以,分隔如(科目,年度)

valueKey - 取值key(如分数)多个key以,分隔如(分数,等级)

返回:

表结构(姓名,科目,分数) 返回结构 [{姓名:张三,数学:100,物理:90,英语:80},{姓名:李四,数学:100,物理:90,英语:80}]

pivot

public DataSet pivot(String pk,
                     String classKey)

pivot

public DataSet pivot(List<String> pks,
                     List<String> classKeys,
                     String... valueKeys)

asc

public DataSet asc(String... keys)

排序

参数:

keys - keys

返回:

DataSet

desc

public DataSet desc(String... keys)

addAllUpdateColumns

public DataSet addAllUpdateColumns()

clearUpdateColumns

public DataSet clearUpdateColumns()

removeNull

public DataSet removeNull(String... keys)

replaceNull

public DataSet replaceNull(String value)

替换所有NULL值

参数:

value - value

返回:

DataSet

replaceEmpty

public DataSet replaceEmpty(String value)

替换所有空值

参数:

value - value

返回:

DataSet

replaceNull

public DataSet replaceNull(String key,
                           String value)

替换所有NULL值

参数:

key - key

value - value

返回:

DataSet

replaceEmpty

public DataSet replaceEmpty(String key,
                            String value)

替换所有空值

参数:

key - key

value - value

返回:

DataSet

replace

public DataSet replace(String key,
                       String oldChar,
                       String newChar)

replace

public DataSet replace(String oldChar,
                       String newChar)

random

public DataRow random()

随机取一行

返回:

DataRow

randoms

public DataSet randoms(int qty)

随机取qty行

参数:

qty - 行数

返回:

DataSet

randoms

public DataSet randoms(int min,
                       int max)

随机取min到max行

参数:

min - min

max - max

返回:

DataSet

unique

public DataSet unique(String... keys)

regex

public DataSet regex(String key,
                     String regex,
                     Regular.MATCH_MODE mode)

根据正则提取集合

参数:

key - key

regex - 正则

mode - 匹配方式

返回:

DataSet

regex

public DataSet regex(String key,
                     String regex)

checkRequired

public boolean checkRequired(String... keys)

getQueryParams

public Map<String,Object> getQueryParams()

setQueryParams

public DataSet setQueryParams(Map<String,Object> params)

getQueryParam

public Object getQueryParam(String key)

addQueryParam

public DataSet addQueryParam(String key,
                             Object param)

getDatalink

public String getDatalink()

setDatalink

public void setDatalink(String datalink)