ExtendUtil 1.2.0

package com.jfai.kg.util;


import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.regex.Matcher;
import java.util.regex.Pattern;


/**
  * 
  * @Package com.jf.util
  * @author wanglf
  * @Description:  ExtendUtil
  * @date 2018年6月30日 下午9:15:34 
  * @version 1.2.0
  */
public class ExtendUtil {


/**
* @param str
* @return str
* @Description: 数据清洗
*/
public static String dataClean(String str) {
if (str==null) {return "";}
return str.trim().replaceAll("\'", "");
}


/**
* 
* @param IdNO
* @return
* @Description: 依据18位身份证号获取当前年龄
*/
public static int getAgeByIdNO(String IdNO) {
int leh = IdNO.length();
SimpleDateFormat df = new SimpleDateFormat("yyyy");
String year = df.format(new Date());
String dates = "";
if (leh == 18) {
dates = IdNO.substring(6, 10);
int u = Integer.parseInt(year) - Integer.parseInt(dates);
return u;
}
return 0;
}



/**
* 修改字符串中的unicode码,将unicode编码转换成原来的字符
* @param s 源str
* @return  修改后的str
*/
public static String decode2(String s) {
StringBuilder sb = new StringBuilder(s.length());
char[] chars = s.toCharArray();
for (int i = 0; i < chars.length; i++) {
char c = chars[i];
if (c == '\\' && chars[i + 1] == 'u') {
char cc = 0;
for (int j = 0; j < 4; j++) {
char ch = Character.toLowerCase(chars[i + 2 + j]);
if ('0' <= ch && ch <= '9' || 'a' <= ch && ch <= 'f') {
cc |= (Character.digit(ch, 16) << (3 - j) * 4);
} else {
cc = 0;
break;
}
}
if (cc > 0) {
i += 5;
sb.append(cc);
continue;
}
}
sb.append(c);
}
return sb.toString();
}


/**
* 获取修复后的字符串
* 修复unicode转义后的字符串  如 "\u003d"
* @param str
* @return
*/
public static String getFixStr(String str) {
Pattern p = Pattern.compile("(\\\\u.{4})");
Matcher m = p.matcher(str);
while (m.find()) {
String xxx = m.group();
str = str.replaceAll("\\" + xxx, decode2(xxx));
}
return str;
}





public static void main(String[] args) {
System.out.println(getFixStr("\\u003d\\u003d \\u0027 \\u003d \\u0027"));


}


}