js常用身份校验规则

js常用身份校验规则

var Validator = {
    extractBirth: function(id) {
        // 身份证提取出生年月
        var re = null,
            split, year, month, day;
        if (id.length === 15) {
            re = /^(\d{6})(\d{2})(\d{2})(\d{2})(\d{3})$/i;
        } else {
            re = /^(\d{6})(\d{4})(\d{2})(\d{2})(\d{3})([0-9]|X)$/i;
        }
        //split = re.match(id);
        split = id.match(re);
        year = split[2];
        month = split[3];
        day = split[4];
        if (year.length == 2) {
            year = '19' + year;
        }
        return year + '-' + month + '-' + day;
    },
    // 从身份证号码中取性别，F表示女  M表示男
    extractGender: function(idno) {
        return ['F', 'M'][parseInt(idno.charAt(idno.length === 15 ? 14 : 16)) % 2];
    },
    isAdult: function(birth) {
        var today = new Date();
        if (typeof birth === 'string') {
            birth = new Date(Date.parse(birth));
        }
        var ty = today.getFullYear(),
            tm = today.getMonth(),
            td = today.getDate(),
            by = birth.getFullYear(),
            bm = birth.getMonth(),
            bd = birth.getDate();
        return ty - by > 12 || (ty - by === 12 && (tm > bm || (tm === bm && td >= bd)));
    },
    isChild: function(birth) {
        // 2 - 12 岁
        var today = new Date();
        if (typeof birth === 'string') {
            birth = new Date(Date.parse(birth));
        }
        var ty = today.getFullYear(),
            tm = today.getMonth(),
            td = today.getDate(),
            by = birth.getFullYear(),
            bm = birth.getMonth(),
            bd = birth.getDate();
        if(ty - by > 12 || (ty - by === 12 && (tm > bm || (tm === bm && td >= bd)))) {
            return false;
        }
        if(ty - by < 2 || (ty - by === 2 && (tm < bm || (tm === bm && td < bd)))) {
            return false;
        }
        return true;
    },
    isMobile: function(value) {
        // 手机号码校验
        return /^1[356789][0-9]{9}$/.test(value);
    },
    isIdNo: function(id) {
        // 身份证校验
        var num = id.toUpperCase();
        //身份证号码为15位或者18位，15位时全为数字，18位前17位为数字，最后一位是校验位，可能为数字或字符X。
        if (!(/(^\d{15}$)|(^\d{17}([0-9]|X)$)/.test(num))) {
            //alert('输入的身份证号长度不对，或者号码不符合规定！\n15位号码应全为数字，18位号码末位可以为数字或X。');
            return false;
        }
        //校验位按照ISO 7064:1983.MOD 11-2的规定生成，X可以认为是数字10。
        //下面分别分析出生日期和校验位
        var len, re;
        len = num.length;
        if (len == 15) {
            re = /^(\d{6})(\d{2})(\d{2})(\d{2})(\d{3})$/i;
            var arrSplit = num.match(re);

            //检查生日日期是否正确
            var dtmBirth = new Date('19' + arrSplit[2] + '/' + arrSplit[3] + '/' + arrSplit[4]);
            var bGoodDay;
            bGoodDay = (dtmBirth.getYear() == Number(arrSplit[2])) && ((dtmBirth.getMonth() + 1) == Number(arrSplit[3])) && (dtmBirth.getDate() == Number(arrSplit[4]));
            if (!bGoodDay) {
                //alert('输入的身份证号里出生日期不对！');
                return false;
            } else {
                //将15位身份证转成18位
                //校验位按照ISO 7064:1983.MOD 11-2的规定生成，X可以认为是数字10。
                var arrInt = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2];
                var arrCh = ['1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2'];
                var nTemp = 0,
                    i;
                num = num.substr(0, 6) + '19' + num.substr(6, num.length - 6);
                for (i = 0; i < 17; i++) {
                    nTemp += num.substr(i, 1) * arrInt[i];
                }
                num += arrCh[nTemp % 11];
                return true;
            }
        }
        if (len == 18) {
            re = /^(\d{6})(\d{4})(\d{2})(\d{2})(\d{3})([0-9]|X)$/i;
            var arrSplit = num.match(re);

            //检查生日日期是否正确
            var dtmBirth = new Date(arrSplit[2] + "/" + arrSplit[3] + "/" + arrSplit[4]);
            var bGoodDay;
            bGoodDay = (dtmBirth.getFullYear() == Number(arrSplit[2])) && ((dtmBirth.getMonth() + 1) == Number(arrSplit[3])) && (dtmBirth.getDate() == Number(arrSplit[4]));
            if (!bGoodDay) {
                return false;
            } else {
                //检验18位身份证的校验码是否正确。
                //校验位按照ISO 7064:1983.MOD 11-2的规定生成，X可以认为是数字10。
                var valnum;
                var arrInt = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2];
                var arrCh = ['1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2'];
                var nTemp = 0,
                    i;
                for (i = 0; i < 17; i++) {
                    nTemp += num.substr(i, 1) * arrInt[i];
                }
                valnum = arrCh[nTemp % 11];
                if (valnum != num.substr(17, 1)) {
                    return false;
                }
                return true;
            }
        }
        return false;
    },
    isChinese: function(value) {
        return /^[\u4e00-\u9fa5]+$/.test(value);
    },
    isEmail: function(value) {
        return /^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/i.test(value);
    },
    isDate: function(value) {
        // yyyy-mm-dd
        return /^(19\d{2}|2\d{3})-(0[1-9]|1[012])-(0?[1-9]|[12]\d|3[01])$/.test(value);
    },
    isMonth: function(value) {
        return /^(0[1-9]|1[012]|[1-9])$/.test(value);
    },
    isDay: function(value) {
        return /^(0?[1-9]|[12]\d|3[01])$/.test(value);
    },
    validName: function(value) {
        return value.length > 1 && value.length < 25 && /^([\u4e00-\u9fa5]|\.|[a-zA-Z]|\/|\s|[\u3000]|[\uff41-\uff5a]|[\uff21-\uff3a]|[\uff0f])+$/i.test(value);
    },
    validVcode: function(value) {
        return /^\d{6}$/.test(value);
    },
    isNumber: function(value) {
        return /^\d+$/.test(value);
    },
    isPinyin: function(value) {
        // TODO: 这里只判断1-20位的大小写字母
        return /[a-zA-Z]{1,20}/.test(value);
    }
};

module.exports = Validator;