function passwordLevel(password) { var Modes = 0; for (i = 0; i < password.length; i++) { Modes |= CharMode(password.charCodeAt(i)); } return bitTotal(Modes); //CharMode函數(shù) function CharMode(iN) { if (iN >= 48 && iN <= 57)//數(shù)字  return 1; if (iN >= 65 && iN <= 90) //大寫字母  return 2; if ((iN >= 97 && iN <= 122) || (iN >= 65 && iN <= 90)) //大小寫  return 4; else  return 8; //特殊字符 } //bitTotal函數(shù) function bitTotal(num) { modes = 0; for (i = 0; i < 4; i++) {  if (num & 1) modes++;  num >>>= 1; } return modes; }}

passwordLevel("123456") //返回1passwordLevel("Abc'123456") //返回4

//添加驗(yàn)證方法：至少包含兩種規(guī)則$.validator.addMethod("strongPsw",function(value,element){ if(passwordLevel(value)==1){returnfalse;} returntrue},"格式不符合");//開始驗(yàn)證$(".form").validate({ rules:{ pwd:{  required:true, //必填  minlength:6, //最小長度  maxlength:32, //最大長度  strongPsw:true, //密碼強(qiáng)度 }, repwd:{  required:true,  minlength:6,  maxlength:32,  equalTo:"#pwd" //再次填寫密碼需一致 } }});