io.enoa.toolkit.number

Class NumberKit

java.lang.Object

io.enoa.toolkit.number.NumberKit

public final class NumberKit
extends Object

Method Summary

Modifier and Type	Method and Description
static BigDecimal	bigdecimal(Number number)
static BigDecimal	bigdecimal(String text)
static BigInteger	bigint(Number number)
static BigInteger	bigint(String text)
static Double	doubler(Number number)
static Double	doubler(String text)
static Float	floater(Number number)
static Float	floater(String text)
static Integer	integer(Number number)
static Integer	integer(String text)
static boolean	isDigit(String text) 字符串是否純數字 不允許負數
static boolean	isDigit(String text, boolean negative) 字符串是否純數字 是否允許負數
static boolean	isNumber(String text) 字符串是否數字, 支持最高 10 進制 同時支持負數浮點數校驗
static Long	longer(Number number)
static Long	longer(String text)
static Short	shorter(Number number)
static Short	shorter(String text)
static Number	to(Number origin, Class to)
static <T extends Number> T	to(String text, Class<T> to)

Methods inherited from class java.lang.Object

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

Method Detail

isNumber

public static boolean isNumber(String text)

字符串是否數字, 支持最高 10 進制 同時支持負數浮點數校驗

Parameters:

text - text

Returns:

boolean

isDigit

public static boolean isDigit(String text)

字符串是否純數字 不允許負數

     NumberKit.isDigit("1"); // true
     NumberKit.isDigit("0"); //true
     NumberKit.isDigit("-1"); // false
 

Parameters:

text - text

Returns:

boolean

isDigit

public static boolean isDigit(String text,
                              boolean negative)

字符串是否純數字 是否允許負數

 NumberKit.isDigit("0", false); // true
 NumberKit.isDigit("-1", true); // true
 NumberKit.isDigit("-1", false); // false
 

Parameters:

text - text

negative - 是否負數

Returns:

boolean

to

public static Number to(Number origin,
                        Class to)

to

public static <T extends Number> T to(String text,
                                      Class<T> to)

integer

public static Integer integer(Number number)

doubler

public static Double doubler(Number number)

floater

public static Float floater(Number number)

longer

public static Long longer(Number number)

bigdecimal

public static BigDecimal bigdecimal(Number number)

bigint

public static BigInteger bigint(Number number)

shorter

public static Short shorter(Number number)

integer

public static Integer integer(String text)

doubler

public static Double doubler(String text)

floater

public static Float floater(String text)

longer

public static Long longer(String text)

bigdecimal

public static BigDecimal bigdecimal(String text)

bigint

public static BigInteger bigint(String text)

shorter

public static Short shorter(String text)