CiphertextKit (enoa-toolkit 1.7.0-beta API)

```
public class CiphertextKit
extends Object
```
文字隐藏例如 1539****232 ab****b@email.com 视不同情况选择隐藏方式, 提供 left right middle 三种方式 * 为默认掩码

All Methods Static Methods Concrete Methods
Modifier and Type	Method and Description
`static String`	`full(String text)`
`static String`	`full(String text, String placeholder)`
`static String`	`left(String text)`
`static String`	`left(String text, int len)`
`static String`	`left(String text, int len, String placeholder)`
`static String`	`middle(String text)`
`static String`	`middle(String text, int len)`
`static String`	`middle(String text, int len, String placeholder)`
`static String`	`right(String text)`
`static String`	`right(String text, int len)`
`static String`	`right(String text, int len, String placeholder)`

public static String left(String text)

public static String left(String text,
                          int len)

public static String left(String text,
                          int len,
                          String placeholder)

public static String right(String text)

public static String right(String text,
                           int len)

public static String right(String text,
                           int len,
                           String placeholder)

public static String middle(String text)

public static String middle(String text,
                            int len)

public static String middle(String text,
                            int len,
                            String placeholder)

public static String full(String text)

public static String full(String text,
                          String placeholder)

Class CiphertextKit