经典代码--js身份证验证...
时间:2010-08-08 来源:leohainuo
<script type="text/javascript"><!--
<br /> function checkIdcard(idcard){<br /> var Errors=new Array(<br /> "验证通过!",<br /> "身份证号码位数不对!",<br /> "身份证号码出生日期超出范围或含有非法字符!",<br /> "身份证号码校验错误!",<br /> "身份证地区非法!"<br /> );<br /> var area={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"} <br /> var idcard,Y,JYM;<br /> var S,M;<br /> var idcard_array = new Array();<br /> idcard_array = idcard.split("");<br /> //地区检验<br /> if(area[parseInt(idcard.substr(0,2))]==null) return Errors[4];<br /> //身份号码位数及格式检验<br /> switch(idcard.length){<br /> case 15:<br /> if ( (parseInt(idcard.substr(6,2))+1900) % 4 == 0 || ((parseInt(idcard.substr(6,2))+1900) % 100 == 0 && (parseInt(idcard.substr(6,2))+1900) % 4 == 0 )){<br /> ereg=/^[1-9][0-9]{5}[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|[1-2][0-9]))[0-9]{3}$/;//测试出生日期的合法性<br /> } else {<br /> ereg=/^[1-9][0-9]{5}[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|1[0-9]|2[0-8]))[0-9]{3}$/;//测试出生日期的合法性<br /> }<br /> if(ereg.test(idcard)) return Errors[0];<br /> else return Errors[2];<br /> break;<br /> case 18:<br /> //18位身份号码检测<br /> //出生日期的合法性检查 <br /> //闰年月日:((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|[1-2][0-9]))<br /> //平年月日:((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|1[0-9]|2[0-8]))<br /> if ( parseInt(idcard.substr(6,4)) % 4 == 0 || (parseInt(idcard.substr(6,4)) % 100 == 0 && parseInt(idcard.substr(6,4))%4 == 0 )){<br /> ereg=/^[1-9][0-9]{5}19[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|[1-2][0-9]))[0-9]{3}[0-9Xx]$/;//闰年出生日期的合法性正则表达式<br /> } else {<br /> ereg=/^[1-9][0-9]{5}19[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|1[0-9]|2[0-8]))[0-9]{3}[0-9Xx]$/;//平年出生日期的合法性正则表达式<br /> }<br /> if(ereg.test(idcard)){//测试出生日期的合法性<br /> //计算校验位<br /> S = (parseInt(idcard_array[0]) + parseInt(idcard_array[10])) * 7<br /> + (parseInt(idcard_array[1]) + parseInt(idcard_array[11])) * 9<br /> + (parseInt(idcard_array[2]) + parseInt(idcard_array[12])) * 10<br /> + (parseInt(idcard_array[3]) + parseInt(idcard_array[13])) * 5<br /> + (parseInt(idcard_array[4]) + parseInt(idcard_array[14])) * 8<br /> + (parseInt(idcard_array[5]) + parseInt(idcard_array[15])) * 4<br /> + (parseInt(idcard_array[6]) + parseInt(idcard_array[16])) * 2<br /> + parseInt(idcard_array[7]) * 1 <br /> + parseInt(idcard_array[8]) * 6<br /> + parseInt(idcard_array[9]) * 3 ;<br /> Y = S % 11;<br /> M = "F";<br /> JYM = "10X98765432";<br /> M = JYM.substr(Y,1);//判断校验位<br /> if(M == idcard_array[17]) return Errors[0]; //检测ID的校验位<br /> else return Errors[3];<br /> }<br /> else return Errors[2];<br /> break;<br /> default:<br /> return Errors[1];<br /> break;<br /> }<br /> }<br /> alert(checkIdcard("220183198808081610"))<br />
// --></script>
很经典的代码 转载自http://www.lre.cn/article/Article.asp?ID=858
这就是菊子曰啦!