你的位置:首页 > Java教程

[Java教程]身份证验证合法性js


<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html new document </title> <meta http-equiv="Content-Type" content="text/html;charset=UTF-8" /> <meta name="author" content="" /> <meta name="keywords" content="" /> <meta name="description" content="" /> <link rel="stylesheet" type="text/css" href="" /> <style type="text/css"></style> <script type="text/javascript"> function checkCardId(socialNo){     if(socialNo == "")    {     alert("输入身份证号码不能为空!");     return (false);    }     if (socialNo.length != 15 && socialNo.length != 18)    {     alert("输入身份证号码格式不正确!");     return (false);    }         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"};          if(area[parseInt(socialNo.substr(0,2))]==null) {     alert("身份证号码不正确(地区非法)!");       return (false);     }            if (socialNo.length == 15)    {      pattern= /^\d{15}$/;      if (pattern.exec(socialNo)==null){       alert("15位身份证号码必须为数字!");       return (false);     }     var birth = parseInt("19" + socialNo.substr(6,2));     var month = socialNo.substr(8,2);     var day = parseInt(socialNo.substr(10,2));     switch(month) {       case '01':       case '03':       case '05':       case '07':       case '08':       case '10':       case '12':         if(day>31) {           alert('输入身份证号码不格式正确!');           return false;         }         break;       case '04':       case '06':       case '09':       case '11':         if(day>30) {           alert('输入身份证号码不格式正确!');           return false;         }         break;       case '02':         if((birth % 4 == 0 && birth % 100 != 0) || birth % 400 == 0) {           if(day>29) {             alert('输入身份证号码不格式正确!');             return false;           }         } else {           if(day>28) {             alert('输入身份证号码不格式正确!');             return false;           }         }         break;       default:         alert('输入身份证号码不格式正确!');         return false;     }     var nowYear = new Date().getYear();     if(nowYear - parseInt(birth)<15 || nowYear - parseInt(birth)>100) {       alert('输入身份证号码不格式正确!');       return false;     }     return (true);    }        var Wi = new Array(         7,9,10,5,8,4,2,1,6,         3,7,9,10,5,8,4,2,1         );    var  lSum    = 0;    var  nNum    = 0;    var  nCheckSum  = 0;         for (i = 0; i < 17; ++i)     {               if ( socialNo.charAt(i) < '0' || socialNo.charAt(i) > '9' )       {         alert("输入身份证号码格式不正确!");         return (false);       }       else       {         nNum = socialNo.charAt(i) - '0';       }        lSum += nNum * Wi[i];     }          if( socialNo.charAt(17) == 'X' || socialNo.charAt(17) == 'x')     {       lSum += 10*Wi[17];     }     else if ( socialNo.charAt(17) < '0' || socialNo.charAt(17) > '9' )     {       alert("输入身份证号码格式不正确!");       return (false);     }     else     {       lSum += ( socialNo.charAt(17) - '0' ) * Wi[17];     }        if ( (lSum % 11) == 1 )     {       return true;     }     else     {       alert("输入身份证号码格式不正确!");       return (false);     }      }     </script> </head> <body> </body></html>