/**
* 通用脱敏工具类
* 可用于：* 用户名
* 手机号
* 邮箱
* 地址等
*/
public class DesensitizationUtil {
private static final int SIZE = 6;
private static final String SYMBOL = "*";
public static void main(String[] args) {String name = commonDisplay("赵镇啊");
String mobile = commonDisplay("13900000000");
String mail = commonDisplay("admin@imooc.com");
String address = commonDisplay("北京大运河东路 888 号");
System.out.println(name);
System.out.println(mobile);
System.out.println(mail);
System.out.println(address);
}
/**
* 通用脱敏办法
* @param value
* @return
*/
public static String commonDisplay(String value) {if (null == value || "".equals(value)) {return value;}
int len = value.length();
int pamaone = len / 2;
int pamatwo = pamaone - 1;
int pamathree = len % 2;
StringBuilder stringBuilder = new StringBuilder();
if (len <= 2) {if (pamathree == 1) {return SYMBOL;}
stringBuilder.append(SYMBOL);
stringBuilder.append(value.charAt(len - 1));
} else {if (pamatwo <= 0) {stringBuilder.append(value.substring(0, 1));
stringBuilder.append(SYMBOL);
stringBuilder.append(value.substring(len - 1, len));
} else if (pamatwo >= SIZE / 2 && SIZE + 1 != len) {int pamafive = (len - SIZE) / 2;
stringBuilder.append(value.substring(0, pamafive));
for (int i = 0; i < SIZE; i++) {stringBuilder.append(SYMBOL);
}
if ((pamathree == 0 && SIZE / 2 == 0) || (pamathree != 0 && SIZE % 2 != 0)) {stringBuilder.append(value.substring(len - pamafive, len));
} else {stringBuilder.append(value.substring(len - (pamafive + 1), len));
}
} else {
int pamafour = len - 2;
stringBuilder.append(value.substring(0, 1));
for (int i = 0; i < pamafour; i++) {stringBuilder.append(SYMBOL);
}
stringBuilder.append(value.substring(len - 1, len));
}
}
return stringBuilder.toString();}
}
脱敏工具类，用于手机号昵称等脱敏
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