/* ===========================================================

模块说明：对于数据验证的一些补充功能

charset：gb2312

调用模块：stringutils.js

搜集整理：

最后修订：2011-12-15

*/

function isSpace(str) {

    var strComp = str;

    try {

        if (strComp == "　" || strComp == "" || strComp == " " || strComp == null || strComp == "null" || strComp.Trim().length == 0 || typeof str == "undefined" || str == "undefined") {

            return true;

        }

        else {

            return false;

        }

    } catch (e) { return false; }

}

function isRequire(value) { var regx = /.+/; return regx.test(value); }

function isInt(value) { var regx = /^[-\+]?\d+$/; return regx.test(value); }

function isDouble(value) { var regx = /^[-\+]?\d+(\.\d+)?$/; return regx.test(value); }

function isCurrency(value) { var regx = /^\d+(\.\d+)?$/; return regx.test(value); }

function isEmail(value) { var regx = /^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/; return regx.test(value); }

function IsPostcode(value) { var regx = /^\d{6}$/; return regx.test(value); }

function isIdCard(sId) {

    var aCity = {

        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 (!/^\d{15}(\d{2}(\d|x))?$/i.test(sId)) {

        return false;

    }

    if (aCity[parseInt(sId.substr(0, 2))] == null) {

        return false;

    }

    if (sId.length == 15) {

        sBirthday = "19" + sId.substr(6, 2) + "-" + Number(sId.substr(8, 2)) + "-" + Number(sId.substr(10, 2));

    }

    else {

        sBirthday = sId.substr(6, 4) + "-" + Number(sId.substr(10, 2)) + "-" + Number(sId.substr(12, 2));

    }

    var d = new Date(sBirthday.replace(/-/g, "/"))

    if (sBirthday != (d.getFullYear() + "-" + (d.getMonth() + 1) + "-" + d.getDate())) {

        return false;

    }

    if (sId.length == 18) {

        var iSum = 0

        sId = sId.replace(/x$/i, "a");

        for (var i = 17; i >= 0; i--) {

            iSum += (Math.pow(2, i) % 11) * parseInt(sId.charAt(17 - i), 11)

        }

        if (iSum % 11 != 1) {

            return false;

        }

    }

    return true;

}

function isPhone(str) {

    var reg = /^(([0\+]\d{2,3}-)?(0\d{2,3})-)?(\d{7,8})(-(\d{3,}))?(,(([0\+]\d{2,3}-)?(0\d{2,3})-)?(\d{7,8})(-(\d{3,}))?)*$/;

    return reg.test(str);

}

function isMobile(str) {

    var reg = /(^0?[1][3|4|5|8][0-9]{9}(,0?[1][3|4|5|8][0-9]{9})*$)/;

    return reg.test(str);

}

function containsDoubleQuotes(value) { var regx = /[\"]/; return regx.test(value); }

function containsSingleQuotes(value) { var regx = /[\']/; return regx.test(value); }

//包含中文字符，中文字符不等同于双字节字符

function containsHz(value) { regx = /[\u4e00-\u9fa5]/; return regx.test(value); }