Js工具~正则、参数获取等

            /**    
     * 获取用户来路url(referrer)
     * @param url
     * @param url_
     */
    function getUrl() {
        var url2 = document.referrer;
        var home = arguments[0].split('/')[0];
        if (isNotEmpty(url2)) {
            var host = window.location.host;
            url2 = url2.split('/Lvscore_User_M/userWeb/views/');
            var host_ = url2[0].split('//')[1];
            url2 = url2[1].split('.html')[0];
            if (host == host_) {
                for (var i = 0; i < arguments.length; i++) {
                    if (arguments[i] == url2) {
                        return false;
                    }
                }
            }
        }
        alertBox('操作异常，请重试', '');
        setTimeout(function () {
            goHome(home);
        }, 1500);
    }
    function goHome(type) {
        if (type == "register") {
            window.location.href = "";
        }
        if (type == "accounterCenter") {
            window.location.href = "";
        }
        if (type == "retrievePassword") {
            window.location.href = "";
        }
        if (type == "ADadmin") {
            window.location.href = "";
        }
    }

    //判断是否出现滚动条
    if (document.documentElement.clientHeight < document.documentElement.offsetHeight) {
        $(".lfetNav").css("width", "16.15%");
        $(".rightContent").css("width", "83.45%");
        alert("scrolltop");
    }

    /**
     * 获取地址栏参数值
     * @param name 参数名
     * @returns
     */
    function getQueryString(name) {
        var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)");
        var r = window.location.search.substr(1).match(reg);
        if (r != null)return unescape(r[2]);
        return null;
    }
    function playAd() {
        $(".plays").click(function () {
            //console.log($(this).attr("ad_id"));
            var id = $(this).attr("ad_id");
            window.location.href = "";
        });
    }
    function isEmail(email) {
        return /^[\w-]+(\.[\w-]+)*@[\w-]+(\.[\w-]+)+$/.test(email);
    }
    function isMobile(mobile) {
        return /^1[3|4|5|7|8]\d{9}$/.test(mobile);
    }
    function isPassword(password) {
        return /^[0-9a-zA-Z]{6,18}$/.test(password);
    }
    function isName(name) {
        return /^[\u4e00-\u9fa5A-Za-z0-9]{4,10}$/.test(name);
    }
    function isRealName(name) {
        return /^[\u4e00-\u9fa5]{2,10}$/.test(name);
    }
    function isBankCard(number) {//仍旧存在bug
        return /^(\d{16}|\d{19})$/.test(number);
    }
    function isMoney(money) {
        return /^((?!0+$)(?!0*\.0*$)\d{1,8}(\.\d{1,2})?)$/.test(money);
        //return /^(\D)$/.test(money);
    }
    function isNotEmpty(info) {
        if (info == null || info == undefined || info == '' 
            || info == 'null' || info == "\"\"" || info == "\'\'")
            return false;
        else
            return true;
    }


    /**
     * 证件校验
     * @param type
     * @param code
     * @returns {*}
     */
    function isCredentials(type, code) {//0身份证  1护照  3军官证
        if (isNotEmpty(code)) {
            var tip = "";
            var pass = true;
            if (type == 0) {
                var city = {
                    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 (!code ||
           !/^\d{6}(18|19|20)?\d{2}(0[1-9]|1[12])(0[1-9]|[12]\d|3[01])\d{3}(\d|X)$/i.test(code)) {
                    tip = "身份证号格式错误";
                    pass = false;
                }

                else if (!city[code.substr(0, 2)]) {
                    tip = "身份证号校验错误";
                    pass = false;
                }
                else {
                    //18位身份证需要验证最后一位校验位
                    if (code.length == 18) {
                        code = code.split('');
                        //∑(ai×Wi)(mod 11)
                        //加权因子
                        var factor = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2];
                        //校验位
                        var parity = [1, 0, 'X', 9, 8, 7, 6, 5, 4, 3, 2];
                        var sum = 0;
                        var ai = 0;
                        var wi = 0;
                        for (var i = 0; i < 17; i++) {
                            ai = code[i];
                            wi = factor[i];
                            sum += ai * wi;
                        }
                        var last = parity[sum % 11];
                        if (parity[sum % 11] != code[17]) {
                            //tip = "校验位错误";
                            tip = "身份证号校验错误";
                            pass = false;
                        }
                    }
                }
            } else if (type == 1) {
                if (!/^(P\d{7})|(G\d{8})$/.test(code)) {
                    tip = "护照格式错误";
                    pass = false;
                }
            } else if (type == 2) {
                if (!/^[a-zA-Z0-9]{7,21}$/.test(code)) {
                    tip = "军官证格式错误";
                    pass = false;
                }
            }
            //if (!pass) alertBox(tip, '');
            return tip;
        } else {
            return "输入证件号码不能为空";
        }
    }

    //获取验证码倒计时
    var countdown = 30;
    function settime(val) {
        if (countdown == 0) {
            val.removeAttribute("disabled");
            val.value = "获取验证码";
            val.style.opacity="1";
            countdown = 30;
            return;
        } else {
            console.log(countdown);
            val.setAttribute("disabled", true);
            val.style.opacity="0.5";
            val.value = "重新发送(" + countdown + ")";
            countdown--;

        }
        setTimeout(function () {
            settime(val)
        }, 1000)
    }


    //获取文本值的长度 数字和英文为一个字符，汉字为两个字符
    function getLength(info) {
        return info.replace(/[\u4E00-\u9fa5]/g, "**").length;
    }

    //客户端防止js注入
    function removeHtmlTab(tab) {
        return tab.replace(/<[^<>]+?>/g,'');
    }

    function html2Escape(sHtml) {
        return sHtml.replace(/[<>&"]/g,function(c){return {'<':'<','>':'>','&':'&','"':'"'}[c];});
    }