/***id自增*@paramid*@return*/publicstaticStringcreatId(Stringid){charhead=id.charAt(0);Stringcode=id.substring(1,id.length());code=StringUtils.leftPad(Long.parseLong(code)+1+"",3,'0');returnhead+code;}需要导入Apach commons-lang这个jar包

/**
*id自增
*@paramid
*@return
*/
publicstaticStringcreatId(Stringid){
charhead=id.charAt(0);
Stringcode=id.substring(1,id.length());
code=StringUtils.leftPad(Long.parseLong(code)+1+"",3,'0');
returnhead+code;
}