Java掩码的几种使用例举
java掩码
privatestaticStringnameMask(Stringname)throwsException{
if(name==null)thrownewException("请输入要掩码的字符串");
if(name.length()<=1)returnname+"*";
returnname.replaceAll("([\\u4e00-\\u9fa5]{1})(.*)","$1"+createAsterisk(name.length()-1));
}
privatestaticStringcreateAsterisk(intlen){
StringBuffersb=newStringBuffer();
for(inti=0;i
/**
*对客户证件号码做掩码
*
**/
publicstaticStringmaskCertId(StringcertId)throwsException
{
if(certId==null||certId.length()==0)return"";
if(certId.length()==18)
{
Stringv=certId.substring(0,4);
Stringend=certId.substring(certId.length()-4);
returnv+StringUtils.repeat("*",8)+end;
}
else
return"";
}
/**
*对客户姓名做掩码
*@throwsJBOException
**/
publicstaticStringmaskUserName(StringuserName)throwsException
{
if(userName==null||userName.length()==0)return"";
Stringv=userName.substring(0,1);
returnStringUtils.rightPad(v,userName.length(),"*");//StringUtils.rightPad方法做一个字符串右补齐
}
/**
*对字符串进行脱敏处理
*@paramword被脱敏的字符
*@paramstartLength被保留的开始长度0代表不保留
*@paramendLength被保留的结束长度0代表不保留
*@parampad填充字符
**/
publicstaticStringwordMask(Stringword,intstartLength,intendLength,Stringpad){
if(word==null)returnStringUtils.leftPad("",startLength+endLength,pad);
if(word.length()<=startLength+endLength)returnStringUtils.leftPad("",startLength+endLength,pad);
StringstartStr="";
StringendStr="";
intpadLength=0;
if(word.length()>startLength)startStr=StringUtils.substring(word,0,startLength);
if(word.length()>startLength+endLength)endStr=StringUtils.substring(word,word.length()-endLength);
padLength=word.length()-startLength-endLength;
returnstartStr+StringUtils.repeat(pad,padLength)+endStr;
}
总结
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