Java 手机号码格式化为182****5716

/**

      * 手机号码格式化微182****5716

      * 

      * @param phone

      * @return

      */

     public static String phoneNumberFormat(String phone) {

         String reStr = phone.substring(phone.length() - 4, phone.length());

         String preStr = phone.substring(0, phone.length() - 9);

         StringBuilder sb = new StringBuilder();

         sb.append(preStr).append("****").append(reStr);

         return sb.toString();
    }
   /**
      * 银行账号格式化
      * 
      * @param str
      * @return
      */
     public static String getSubString(String str) {
         String reStr = str.substring(str.length() - 4, str.length());
         return "尾号" + reStr;
     }