js身份证验证代码

var idCardNoUtil = { 
provinceAndCitys: {11:"北京",12:"天津",13:"河北",14:"山西",15:"内蒙古",21:"辽宁",22:"吉林",23:"黑龙江", 
31:"上海",32:"江苏",33:"浙江",34:"安徽",35:"福建",36:"江西",37:"山东",41:"河南",42:"湖北",43:"湖南",44:"广东", 
45:"广西",46:"海南",50:"重庆",51:"四川",52:"贵州",53:"云南",54:"西藏",61:"陕西",62:"甘肃",63:"青海",64:"宁夏", 
65:"新疆",71:"台湾",81:"香港",82:"澳门",91:"国外"},
 
powers: ["7","9","10","5","8","4","2","1","6","3","7","9","10","5","8","4","2"],
 
parityBit: ["1","0","X","9","8","7","6","5","4","3","2"],
 
genders: {male:"男",female:"女"},
 
checkAddressCode: function(addressCode){ 
var check = /^[1-9]\d{5}$/.test(addressCode); 
if(!check) return false; 
if(idCardNoUtil.provinceAndCitys[parseInt(addressCode.substring(0,2))]){ 
return true; 
}else{ 
return false; 
} 
},
 
checkBirthDayCode: function(birDayCode){ 
var check = /^[1-9]\d{3}((0[1-9])|(1[0-2]))((0[1-9])|([1-2][0-9])|(3[0-1]))$/.test(birDayCode); 
if(!check) return false; 
var yyyy = parseInt(birDayCode.substring(0,4),10); 
var mm = parseInt(birDayCode.substring(4,6),10); 
var dd = parseInt(birDayCode.substring(6),10); 
var xdata = new Date(yyyy,mm-1,dd); 
if(xdata > new Date()){ 
return false;//生日不能大于当前日期 
}else if ( ( xdata.getFullYear() == yyyy ) && ( xdata.getMonth () == mm - 1 ) && ( xdata.getDate() == dd ) ){ 
return true; 
}else{ 
return false; 
} 
},
 
getParityBit: function(idCardNo){ 
var id17 = idCardNo.substring(0,17); 
var power = 0; 
for(var i=0;i<17;i++){ 
power += parseInt(id17.charAt(i),10) * parseInt(idCardNoUtil.powers[i]); 
} 
var mod = power % 11; 
return idCardNoUtil.parityBit[mod]; 
},
 
checkParityBit: function(idCardNo){ 
var parityBit = idCardNo.charAt(17).toUpperCase(); 
if(idCardNoUtil.getParityBit(idCardNo) == parityBit){ 
return true; 
}else{ 
return false; 
} 
},
 
checkIdCardNo: function(idCardNo){ 
//15位和18位身份证号码的基本校验 
var check = /^\d{15}|(\d{17}(\d|x|X))$/.test(idCardNo); 
if(!check) return false; 
//判断长度为15位或18位 
if(idCardNo.length==15){ 
return idCardNoUtil.check15IdCardNo(idCardNo); 
}else if(idCardNo.length==18){ 
return idCardNoUtil.check18IdCardNo(idCardNo); 
}else{ 
return false; 
} 
},
 
//校验15位的身份证号码 
check15IdCardNo: function(idCardNo){ 
//15位身份证号码的基本校验 
var check = /^[1-9]\d{7}((0[1-9])|(1[0-2]))((0[1-9])|([1-2][0-9])|(3[0-1]))\d{3}$/.test(idCardNo); 
if(!check) return false; 
//校验地址码 
var addressCode = idCardNo.substring(0,6); 
check = idCardNoUtil.checkAddressCode(addressCode); 
if(!check) return false; 
var birDayCode = '19' + idCardNo.substring(6,12); 
//校验日期码 
return idCardNoUtil.checkBirthDayCode(birDayCode); 
},
 
//校验18位的身份证号码 
check18IdCardNo: function(idCardNo){ 
//18位身份证号码的基本格式校验 
var check = /^[1-9]\d{5}[1-9]\d{3}((0[1-9])|(1[0-2]))((0[1-9])|([1-2][0-9])|(3[0-1]))\d{3}(\d|x|X)$/.test(idCardNo); 
if(!check) return false; 
//校验地址码 
var addressCode = idCardNo.substring(0,6); 
check = idCardNoUtil.checkAddressCode(addressCode); 
if(!check) return false; 
//校验日期码 
var birDayCode = idCardNo.substring(6,14); 
check = idCardNoUtil.checkBirthDayCode(birDayCode); 
if(!check) return false; 
//验证校检码 
return idCardNoUtil.checkParityBit(idCardNo); 
},
 
formateDateCN: function(day){ 
var yyyy =day.substring(0,4); 
var mm = day.substring(4,6); 
var dd = day.substring(6); 
return yyyy + '-' + mm +'-' + dd; 
},
 
//获取信息 
getIdCardInfo: function(idCardNo){ 
var idCardInfo = { 
gender:"", //性别 
birthday:"" // 出生日期(yyyy-mm-dd) 
}; 
if(idCardNo.length==15){ 
var aday = '19' + idCardNo.substring(6,12); 
idCardInfo.birthday=idCardNoUtil.formateDateCN(aday); 
if(parseInt(idCardNo.charAt(14))%2==0){ 
idCardInfo.gender=idCardNoUtil.genders.female; 
}else{ 
idCardInfo.gender=idCardNoUtil.genders.male; 
} 
}else if(idCardNo.length==18){ 
var aday = idCardNo.substring(6,14); 
idCardInfo.birthday=idCardNoUtil.formateDateCN(aday); 
if(parseInt(idCardNo.charAt(16))%2==0){ 
idCardInfo.gender=idCardNoUtil.genders.female; 
}else{ 
idCardInfo.gender=idCardNoUtil.genders.male; 
}
 
} 
return idCardInfo; 
},
 
getId15:function(idCardNo){ 
if(idCardNo.length==15){ 
return idCardNo; 
}else if(idCardNo.length==18){ 
return idCardNo.substring(0,6) + idCardNo.substring(8,17); 
}else{ 
return null; 
} 
},
 
getId18: function(idCardNo){ 
if(idCardNo.length==15){ 
var id17 = idCardNo.substring(0,6) + '19' + idCardNo.substring(6); 
var parityBit = idCardNoUtil.getParityBit(id17); 
return id17 + parityBit; 
}else if(idCardNo.length==18){ 
return idCardNo; 
}else{ 
return null; 
} 
} 
}; 
//验证护照是否正确 
function checknumber(number){ 
var str=number; 
//在JavaScript中，正则表达式只能使用"/"开头和结束，不能使用双引号 
var Expression=/(P\d{7})|(G\d{8})/; 
var objExp=new RegExp(Expression); 
if(objExp.test(str)==true){ 
return true; 
}else{ 
return false; 
} 
};