<script language="javascript"> var powers=new Array("7","9","10","5","8","4","2","1","6","3","7","9","10","5","8","4","2"); var parityBit=new Array("1","0","X","9","8","7","6","5","4","3","2"); var sex="male"; //校验身份证号码的主调用 function validId(obj){ var _id=obj.value; if(_id=="")return; var _valid=false; if(_id.length==15){ _valid=validId15(_id); }else if(_id.length==18){ _valid=validId18(_id); } if(!_valid){ alert("身份证号码有误,请检查!"); obj.focus(); return; } //设置性别
} //校验18位的身份证号码 function SetSex(a,b) { var _n = a.substr(b,1); var sex; if(parseInt(_n%2)==0){sex="女";}else{sex="男";} document.getElementById("gender").value=sex; } function SetBirthday(a,b){ var year=b==18?a.substr(6,4):a.substr(6,2); var month=b==18?a.substr(10,2):a.substr(8,2); var day=b==18?a.substr(12,2):a.substr(10,2); document.getElementById("y").value=year+"年"+month+"月"+day+'日'; } function validId18(_id){ _id=_id+""; var _num=_id.substr(0,17); var _parityBit=_id.substr(17); var _power=0; for(var i=0;i< 17;i++){ //校验每一位的合法性 if(_num.charAt(i)<'0'||_num.charAt(i)>'9'){ return false; break; }else { //加权 _power+=parseInt(_num.charAt(i))*parseInt(powers[i]); } } //取模 var mod=parseInt(_power)%11; if(parityBit[mod]==_parityBit){SetSex(_id,16);SetBirthday(_id,18);return true;} return false; } //校验15位的身份证号码 function validId15(_id){ _id=_id+""; for(var i=0;i<_id.length;i++){ //校验每一位的合法性 if(_id.charAt(i)<'0'||_id.charAt(i)>'9'){ return false; break; } } var year=_id.substr(6,2); var month=_id.substr(8,2); var day=_id.substr(10,2); //校验年份位 if(year<'01'||year >'90')return false; //校验月份 if(month<'01'||month >'12')return false; //校验日 if(day<'01'||day >'31')return false; SetSex(_id,14); SetBirthday(_id,15); return true; }</script>
var powers=new Array("7","9","10","5","8","4","2","1","6","3","7","9","10","5","8","4","2");
var parityBit=new Array("1","0","X","9","8","7","6","5","4","3","2");
var sex="male";
//校验身份证号码的主调用 function validId(obj){
var _id=obj.value;
if(_id=="")return;
var _valid=false;
if(_id.length==15){
_valid=validId15(_id);
}else if(_id.length==18){
_valid=validId18(_id);
}
if(!_valid){
alert("身份证号码有误,请检查!");
obj.focus();
return;
}
//设置性别
}
//校验18位的身份证号码
function SetSex(a,b)
{
var _n = a.substr(b,1);
var sex;
if(parseInt(_n%2)==0){sex="女";}else{sex="男";}
document.getElementById("gender").value=sex;
}
function SetBirthday(a,b){
var year=b==18?a.substr(6,4):a.substr(6,2);
var month=b==18?a.substr(10,2):a.substr(8,2);
var day=b==18?a.substr(12,2):a.substr(10,2);
document.getElementById("y").value=year+"年"+month+"月"+day+'日';
}
function validId18(_id){
_id=_id+"";
var _num=_id.substr(0,17);
var _parityBit=_id.substr(17);
var _power=0;
for(var i=0;i< 17;i++){
//校验每一位的合法性 if(_num.charAt(i)<'0'||_num.charAt(i)>'9'){
return false;
break;
}else {
//加权
_power+=parseInt(_num.charAt(i))*parseInt(powers[i]);
}
}
//取模
var mod=parseInt(_power)%11;
if(parityBit[mod]==_parityBit){SetSex(_id,16);SetBirthday(_id,18);return true;}
return false;
}
//校验15位的身份证号码 function validId15(_id){
_id=_id+"";
for(var i=0;i<_id.length;i++){
//校验每一位的合法性
if(_id.charAt(i)<'0'||_id.charAt(i)>'9'){
return false;
break;
}
}
var year=_id.substr(6,2);
var month=_id.substr(8,2);
var day=_id.substr(10,2); //校验年份位
if(year<'01'||year >'90')return false;
//校验月份
if(month<'01'||month >'12')return false;
//校验日
if(day<'01'||day >'31')return false;
SetSex(_id,14);
SetBirthday(_id,15);
return true;
}</script>