验证身份证号方法

来源：互联网发布：澳大利亚生活知乎编辑：程序博客网时间：2024/04/29 11:57
//验证身份证号方法 var test = function(idcard) {    var Errors = new Array("验证通过!", "身份证号码位数不对!", "身份证号码出生日期超出范围或含有非法字符!", "身份证号码校验错误!", "身份证地区非法!");    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"    }    var idcard, Y, JYM;    var S, M;    var idcard_array = new Array();    idcard_array = idcard.split("");    if (area[parseInt(idcard.substr(0, 2))] == null) return Errors[4];    switch (idcard.length) {        case 15:            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)) {                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}$/; //测试出生日期的合法性             } else {                ereg = /^[1-9][0-9]{5}[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|1[0-9]|2[0-8]))[0-9]{3}$/; //测试出生日期的合法性             }            if (ereg.test(idcard)) return Errors[0];            else return Errors[2];            break;        case 18:            if (parseInt(idcard.substr(6, 4)) % 4 == 0 || (parseInt(idcard.substr(6, 4)) % 100 == 0 && parseInt(idcard.substr(6, 4)) % 4 == 0)) {                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]$/; //闰年出生日期的合法性正则表达式             } else {                ereg = /^[1-9][0-9]{5}19[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|1[0-9]|2[0-8]))[0-9]{3}[0-9Xx]$/; //平年出生日期的合法性正则表达式             }            if (ereg.test(idcard)) {                S = (parseInt(idcard_array[0]) + parseInt(idcard_array[10])) * 7 + (parseInt(idcard_array[1]) + parseInt(idcard_array[11])) * 9 + (parseInt(idcard_array[2]) + parseInt(idcard_array[12])) * 10 + (parseInt(idcard_array[3]) + parseInt(idcard_array[13])) * 5 + (parseInt(idcard_array[4]) + parseInt(idcard_array[14])) * 8 + (parseInt(idcard_array[5]) + parseInt(idcard_array[15])) * 4 + (parseInt(idcard_array[6]) + parseInt(idcard_array[16])) * 2 + parseInt(idcard_array[7]) * 1 + parseInt(idcard_array[8]) * 6 + parseInt(idcard_array[9]) * 3;                Y = S % 11;                M = "F";                JYM = "10X98765432";                M = JYM.substr(Y, 1);                if (M == idcard_array[17]) return Errors[0];                else return Errors[3];            } else return Errors[2];            break;        default:            return Errors[1];            break;    }}//测试代码 var theid = prompt("请输入身份证号码", "15位或18位");if (theid != "") {    document.write(test(theid));} else {    //theid=prompt("请输入身份证号码","15位或18位"); }
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