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java掩碼

01private static String nameMask(String name) throws Exception {
02if(name ==null)throw new Exception("請輸入要掩碼的字符串");
03if(name.length()<=1) return name+"*";
04return name.replaceAll("([\\u4e00-\\u9fa5]{1})(.*)", "$1"+createAsterisk(name.length()-1));
05}
06private static String createAsterisk(int len) {
07StringBuffer sb = new StringBuffer();
08for(int i=0;i<len;i++){
09 sb.append("*");
10}
11return sb.toString();
12}

01/**
02 * 對客戶證件號碼做掩碼
03 * 
04 * */
05 public static String maskCertId(String certId) throws Exception
06 {
07 if(certId==null||certId.length()==0) return "";
08 if(certId.length()==18)
09 {
10  String v = certId.substring(0,4);
11  String end = certId.substring(certId.length()-4);
12  return v+StringUtils.repeat("*",8)+end;
13 }
14 else
15  return "";
16 }

01/**
02 * 對客戶姓名做掩碼
03 * @throws JBOException 
04 * */
05 public static String maskUserName(String userName) throws Exception
06 {
07 if(userName==null||userName.length()==0) return "";
08 String v = userName.substring(0,1);
09 return StringUtils.rightPad(v, userName.length(),"*");//StringUtils.rightPad方法做一個字符串右補齊
10 }

01/**
02 * 對字符串進行脫敏處理
03 * @param word 被脫敏的字符
04 * @param startLength 被保留的開始長度 0代表不保留
05 * @param endLength 被保留的結束長度 0代表不保留
06 * @param pad 填充字符
07 * */
08 public static String wordMask(String word,int startLength ,int endLength,String pad)  {
09 if(word==null) return StringUtils.leftPad("", startLength+endLength,pad);
10 if(word.length()<=startLength+endLength) return StringUtils.leftPad("", startLength+endLength,pad);
11 String startStr = "";
12 String endStr = "";
13 int padLength = 0;
14 if(word.length()>startLength) startStr = StringUtils.substring(word, 0,startLength);
15 if(word.length()>startLength+endLength) endStr = StringUtils.substring(word, word.length()-endLength);
16 padLength = word.length()-startLength-endLength;
17 return startStr + StringUtils.repeat(pad, padLength)+endStr;
18 }