EBook/EBook.Web/TagWord/Common.js

//判断当前是否是IE浏览器
function isIE() { //ie?  
    var userAgent = navigator.userAgent; //取得浏览器的userAgent字符串  
    var isOpera = userAgent.indexOf("Opera") > -1; //判断是否Opera浏览器  
    var isIE = userAgent.indexOf("compatible") > -1 && userAgent.indexOf("MSIE") > -1 && !isOpera || userAgent.indexOf("Trident/7.0") > -1; //判断是否IE浏览器  
    var isEdge = userAgent.indexOf("Windows NT 6.1;") > -1 && !isIE; //判断是否IE的Edge浏览器  
    var isFF = userAgent.indexOf("Firefox") > -1; //判断是否Firefox浏览器  
    var isSafari = userAgent.indexOf("Safari") > -1 && userAgent.indexOf("Chrome") == -1; //判断是否Safari浏览器  
    var isChrome = userAgent.indexOf("Chrome") > -1 && userAgent.indexOf("Safari") > -1; //判断Chrome浏览器  

    if (isChrome || isFF || isSafari || isOpera) {
        return false;
    }

    if (isIE || isEdge) {
        return true;
    } else {
        return false;
    }
}
//检测浏览器类型及版本
function getBrowserInfo() {
    var Sys = {};
    var ua = navigator.userAgent.toLowerCase();
    var s;
    var res = new Array();
    (s = ua.match(/msie ([\d.]+)/)) ? Sys.ie = s[1] :
        (s = ua.match(/mozilla\/([\d.]+)/)) ? Sys.edge = s[1] :
        (s = ua.match(/firefox\/([\d.]+)/)) ? Sys.firefox = s[1] :
        (s = ua.match(/chrome\/([\d.]+)/)) ? Sys.chrome = s[1] :
        (s = ua.match(/opera\/([\d.]+)/)) ? Sys.opera = s[1] :
        (s = ua.match(/version\/([\d.]+).*safari/)) ? Sys.safari = s[1] : 0;

    if (Sys.ie) {
        res[0] = "ie";
        res[1] = Sys.ie;
    }
    else if (Sys.edge) {
        res[0] = "edge";
        res[1] = Sys.edge;
    }
    else if (Sys.firefox) {
        res[0] = "firefox";
        res[1] = Sys.firefox;
    }
    else if (Sys.chrome) {
        res[0] = "chrome";
        res[1] = Sys.chrome;
    }
    else if (Sys.safari) {
        res[0] = "safari";
        res[1] = Sys.safari;
    }
    else if (Sys.opera) {
        res[0] = "opera";
        res[1] = Sys.opera;
    }
    else {
        res = null;
    }
    return res;
}
//判断当前浏览类型  
function BrowserType() {
    var userAgent = navigator.userAgent; //取得浏览器的userAgent字符串  
    var isOpera = userAgent.indexOf("Opera") > -1; //判断是否Opera浏览器  
    var isIE = userAgent.indexOf("compatible") > -1 && userAgent.indexOf("MSIE") > -1 && !isOpera || userAgent.indexOf("Trident/7.0") > -1; //判断是否IE浏览器  
    var isEdge = userAgent.indexOf("Windows NT 6.1; Trident/7.0;") > -1 && !isIE; //判断是否IE的Edge浏览器  
    var isFF = userAgent.indexOf("Firefox") > -1; //判断是否Firefox浏览器  
    var isSafari = userAgent.indexOf("Safari") > -1 && userAgent.indexOf("Chrome") == -1; //判断是否Safari浏览器  
    var isChrome = userAgent.indexOf("Chrome") > -1 && userAgent.indexOf("Safari") > -1; //判断Chrome浏览器  
    var isIE11 = userAgent.indexOf("Windows NT 6.1;") > -1 && userAgent.indexOf("Trident/7.0;") > -1; //判断是否是IE11

    if (isIE) {
        var reIE = new RegExp("MSIE (\\d+\\.\\d+);");
        reIE.test(userAgent);
        var fIEVersion = parseFloat(RegExp["$1"]);
        if (fIEVersion == 7)
        { return "IE7"; }
        else if (fIEVersion == 8)
        { return "IE8"; }
        else if (fIEVersion == 9)
        { return "IE9"; }
        else if (fIEVersion == 10)
        { return "IE10"; }
        else if (fIEVersion == 11)
        { return "IE11"; }
        else
        { return "IE10" }
    }//isIE end  

    if (isIE11) { return "IE11"; }
    if (isFF) { return "FF"; }
    if (isOpera) { return "Opera"; }
    if (isSafari) { return "Safari"; }
    if (isChrome) { return "Chrome"; }
    if (isEdge) { return "Edge"; }
    return "IE10";
}

//关闭浏览器页面兼容性脚本
function CloseWebPage() {
    var type=BrowserType();
    if (type.indexOf("IE") > -1) {
        window.opener = null;
        window.close();
    }
    else {
        if (type = "FF") {
            window.location.href = "about:blank";
        }
        else {
            window.opener = null;
            window.open('', '_self', '');
            window.close();
        }
    }
}

//字符串截断
function cutString(str, len) {
    var res = "";
    var strLen = getByteLen(str);
    if (str != null && str != "" && strLen > len) {
        var curLen = 0;
        for (var i = 0; i < str.length; i++) {
            if (str[i].match(/[^\x00-\xff]/ig) != null) {//当前字符为双字节时
                if ((getByteLen(res) + 5) > len) {  //5为2个字节的长度加上“...”的长度
                    break;
                }
                else {
                    res += str[i];
                }
            }
            else {//当前为单字节
                if ((getByteLen(res) + 4) > len) {   //4为1个字节的长度加上“...”的长度
                    break;
                }
                else {
                    res += str[i];
                }
            }
        }
        res += "...";
    }
    else {
        res = str;
    }
    return res;
}
/*定义获取地址栏中参数的函数*/
function GetQueryString(name) {
    var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)", "i");
    var r = window.location.search.substr(1).match(reg);
    if (r != null) return decodeURI(r[2]); return null;
}
//转换毫秒为00:00:00格式
function SpanTime(times) {
    var sStr = "";
    var stime = parseInt(times);
    stime = Math.ceil(stime / 1000);

    if (stime > 0) {
        //时
        if (stime >= 3600) {
            var htime = parseInt(stime / 3600);
            if (htime < 10) {
                sStr += "0" + htime + ":";
            }
            else {
                sStr += htime + ":";
            }
            stime = stime % 3600;
        }
        else {
            sStr = "00:";
        }
        //分
        if (stime >= 60) {
            var mtime = parseInt(stime / 60);
            if (mtime < 10) {
                sStr += "0" + mtime + ":";
            }
            else {
                sStr += mtime + ":";
            }
            stime = stime % 60;
        }
        else {
            sStr += "00:";
        }
        //秒
        if (stime < 10) {
            sStr += "0" + stime;
        }
        else {
            sStr += stime;
        }
    }
    else {
        sStr = "00:00:00";
    }

    return sStr;
}
//转换时间
function TranslaSpan(leftspan, rightspan) {
    return SpanTime(leftspan) + "/" + SpanTime(rightspan)
}
//转换毫秒为00:00格式
function TransMinSces(Times) {
    var sStr = "00:00";
    var Times = parseInt(Times);
    if (typeof Times == "number") {
        var y = 0, z = 0;
        z = parseInt(Times / 1000);
        y = parseInt(z / 60);
        z = parseInt(z - y * 60);
        if (y < 10) sStr = "0" + y;
        else sStr = y;
        if (z < 10) sStr += ":0" + z;
        else sStr += ":" + z;
    }
    return sStr;
}
/*将数字（秒）转化为xx分xx秒*/
function TransDatatime(time) {
    var sStr = "";
    var stime = parseInt(time);
    if (stime > 60) { var mtime = parseInt(stime / 60); sStr += mtime + "分"; stime = stime % 60; }
    sStr += stime + "秒";
    return sStr;
}
/*将标准的开始时间结束时间转换为mm-dd hh:mm格式，若其中有一个时间不是系统时间当年，则显示年份*/
function TransTimeFormateOnHomePage(inStartDate, inEndDate) {
    var timestring = "";
    var nowdate = new Date();
    var startdate = new Date(inStartDate.replace(/-/g, "/"));
    var enddate = new Date(inEndDate.replace(/-/g, "/"));
    if (nowdate.getYear() == enddate.getYear() && nowdate.getYear() == startdate.getYear()) {
        var datestr1 = inStartDate.substring(5);
        var datestr2 = inEndDate.substring(5);
        timestring = datestr1.substring(0, datestr1.length - 3) + "~" + datestr2.substring(0, datestr2.length - 3);
    } else {
        var datestr1 = inStartDate;
        var datestr2 = inEndDate;
        timestring = datestr1.substring(0, datestr1.length - 3) + "~" + datestr2.substring(0, datestr2.length - 3);
    }
    return timestring;
}

//匹配学习模式
function MatchStudyCode(StudyModel) {
    //可为空 SM01:浏览（泛读） SM02:阅读训练 SM03:泛听 SM04:听写 SM05:跟读 SM06:朗读 SM07:协作写作 SM08:翻译（笔译） SM09:配音 SM10:口头表达 SM11:翻译（口译）
    var Code = "";
    switch (StudyModel) {
        case "浏览":
            Code = "SM01";
            break;
        case "朗读":
            Code = "SM06";
            break;
        case "翻译":
            Code = "SM08";
            break;
        case "泛听":
            Code = "SM03";
            break;
        case "跟读":
            Code = "SM05";
            break;
        case "听写":
            Code = "SM04";
            break;
        case "配音":
            Code = "SM09";
            break;
    }
    return Code;
}
//匹配学科
function MatchNewSubject(name) {
    var reValue = "C";
    switch (name) {
        case "语文":
            reValue = "A";
            break;
        case "数学":
            reValue = "B";
            break;
        case "英语":
            reValue = "C";
            break;
        case "物理":
            reValue = "D";
            break;
        case "化学":
            reValue = "E";
            break;
        case "生物":
            reValue = "F";
            break;
        case "政治":
            reValue = "G";
            break;
        case "历史":
            reValue = "H";
            break;
        case "地理":
            reValue = "I";
            break;
        default:
            reValue = "C";
            break;
    }
    return reValue;
}
//匹配资料小图标
function MatchResSmallIcon(restype) {
    var iconUrl = "";
    restype = parseInt(restype);
    switch (restype) {
        case 0:
            iconUrl = "/Images/icon/r001A.png";
            break;
        case 1:
            iconUrl = "/Images/icon/r002A.png";
            break;
        case 2:
            iconUrl = "/Images/icon/r003A.png";
            break;
        case 3:
            iconUrl = "/Images/icon/r004A.png";
            break;
        case 4:
            iconUrl = "/Images/icon/r005A.png";
            break;
        case 5:
            iconUrl = "/Images/icon/r007A.png";
            break;
        case 6:
            iconUrl = "/Images/icon/r006A.png";
            break;
        case 7:
            iconUrl = "/Images/icon/r008A.png";
            break;
        case 8:
            iconUrl = "/Images/icon/r009A.png";
            break;
        default:
            iconUrl = "/Images/icon/r002A.png";
            break;
    }
    return iconUrl;
}
//匹配资料学习链接
function MatchStudyPathLink(ResCode, source, subjectid, type, subjectname) {
    var ViewUrl = "";
    //资源类型
    switch (parseInt(type)) {
        case 0:
        case 1:
        case 2:
            ViewUrl = encodeURI("/FreeStudy/ResStudy/TextTraining.aspx?GUID=" + ResCode + "&Source=" + source + "&SubjectID=" + subjectid + "&SubjectName=" + subjectname);
            break;
        case 3:
        case 5:
            ViewUrl = encodeURI("/FreeStudy/ResStudy/AudioTraining.aspx?GUID=" + ResCode + "&Source=" + source + "&SubjectID=" + subjectid + "&SubjectName=" + subjectname);
            break;
        case 4:
        case 6:
            ViewUrl = encodeURI("/FreeStudy/ResStudy/VideoTraining.aspx?GUID=" + ResCode + "&Source=" + source + "&SubjectID=" + subjectid + "&SubjectName=" + subjectname);
            break;
        case 98:
            //ViewUrl = encodeURI("/FreeStudy/ResStudy/ExerciseTraining.aspx?ResCode=" + guid + "&Source=" + source + "&SubjectID=" + subjectid + "&SubjectName=" + subjectname);
            break;
    }
    return ViewUrl;
}
//匹配专题图片
function GetProImagebyCode(project, subject, restype) {
    var imagesrc = "";
    if (subject == "C" || subject.indexOf("English") > -1) {
        switch (project) {
            case "01":
                imagesrc = '/Images/subject/字母.png';
                break;
            case "02":
                imagesrc = '/Images/subject/元音.png';
                break;
            case "03":
                imagesrc = '/Images/subject/辅音.png';
                break;
            case "04":
                imagesrc = '/Images/subject/词法词汇.png';
                break;
            case "05":
                imagesrc = '/Images/subject/句法.png';
                break;
            case "06":
                imagesrc = '/Images/subject/社会交际.png';
                break;
            case "07":
                imagesrc = '/Images/subject/日常起居.png';
                break;
            case "08":
                imagesrc = '/Images/subject/情感关系.png';
                break;
            case "09":
                imagesrc = '/Images/subject/旅游出行.png';
                break;
            case "10":
                imagesrc = '/Images/subject/学习工作.png';
                break;
            case "11":
                imagesrc = '/Images/subject/文娱体育.png';
                break;
            case "12":
                imagesrc = '/Images/subject/自然环境.png';
                break;
            case "13":
                imagesrc = '/Images/subject/科学技术.png';
                break;
            case "14":
                imagesrc = '/Images/subject/人文社会.png';
                break;
            case "16":
                imagesrc = '/Images/subject/基本常识.png';
                break;
            case "17":
                imagesrc = '/Images/subject/教育.png';
                break;
            case "18":
                imagesrc = '/Images/subject/工作职场.png';
                break;
            case "19":
                imagesrc = '/Images/subject/人文社科.png';
                break;
            default:
                imagesrc = '/Images/subject/其他.png';
                break;
        }
    } else {
        switch (parseInt(restype)) {
            case 1:
                imagesrc = '/Images/subject/text.png';
                break;
            case 2:
                imagesrc = '/Images/subject/picture.png';
                break;
            case 3:
            case 5:
                imagesrc = '/Images/subject/audio.png';
                break;
            case 4:
            case 6:
                imagesrc = '/Images/subject/video.png';
                break;
            default:
                imagesrc = '/Images/subject/其他.png';
                break;
        }
    }
    return imagesrc;
}
//匹配资源类型图片
function GetProImagebyType(stype) {
    var imagesrc = "";
    switch (stype) {
        case "0":
        case "1":
            imagesrc = '/Images/subject/text.png';
            break;
        case "2":
            imagesrc = '/Images/subject/picture.png';
            break;
        case "3":
        case "5":
            imagesrc = '/Images/subject/audio.png';
            break;
        case "4":
        case "6":
            imagesrc = '/Images/subject/video.png';
            break;
        default:
            imagesrc = '/Images/subject/picture.png';
            break;
    }
    return imagesrc;
}
//匹配专题名称
function GetProNamebyCode(project, subject) {
    //var subject = subject.split('-');
    switch (subject[1]) {
        case "Biology":
            return GetBiProNamebyCode(project);
        case "Chemistry":
            return GetCheProNamebyCode(project);
        case "Chinese":
            return GetChProNamebyCode(project);
        case "English":
            return GetEnProNamebyCode(project);
        case "Geography":
            return GetGeProNamebyCode(project);
        case "History":
            return GetHiProNamebyCode(project);
        case "Maths":
            return GetMaProNamebyCode(project);
        case "Physics":
            return GetPhProNamebyCode(project);
        case "Politics":
            return GetPoProNamebyCode(project);
        default:
            return GetEnProNamebyCode(project);
    }
}
//匹配语文专题名称
function GetChProNamebyCode(project) {
    var name = "";
    switch (project) {
        case "01":
            name = '汉语拼音';
            break;
        case "02":
            name = '汉语笔画';
            break;
        case "03":
            name = '词法词汇';
            break;
        case "04":
            name = '常识名词';
            break;
        case "05":
            name = '成语俗语';
            break;
        case "06":
            name = '名言警句';
            break;
        case "07":
            name = '现代汉语句法';
            break;
        case "08":
            name = '修辞格';
            break;
        case "09":
            name = '标点符号';
            break;
        case "10":
            name = '文言词汇';
            break;
        case "11":
            name = '文言句式';
            break;
        case "12":
            name = '诗';
            break;
        case "13":
            name = '词';
            break;
        case "14":
            name = '曲';
            break;
        case "15":
            name = '古文名句';
            break;
        case "16":
            name = '语言技能';
            break;
        default:
            name = "无专题";
    }
    return name;
}
//匹配数学专题名称
function GetMaProNamebyCode(project) {
    var name = "";
    switch (project) {
        case "06":
            name = '数与算术';
            break;
        case "07":
            name = '代数式';
            break;
        case "08":
            name = '方程';
            break;
        case "09":
            name = '不等式';
            break;
        case "10":
            name = '函数';
            break;
        case "11":
            name = '图形性质';
            break;
        case "12":
            name = '图形变化';
            break;
        case "13":
            name = '平面直角坐标系';
            break;
        case "14":
            name = '数据抽样分析';
            break;
        case "15":
            name = '事件的概率';
            break;
        case "17":
            name = '三角函数';
            break;
        case "18":
            name = '数列';
            break;
        case "19":
            name = '常用逻辑用语';
            break;
        case "20":
            name = '导数';
            break;
        case "15":
            name = '古文名句';
            break;
        case "16":
            name = '语言技能';
            break;
        default:
            name = "无专题";
    }
    return name;
}
//匹配英语专题名称
function GetEnProNamebyCode(project) {
    var name = "";
    switch (project) {
        case "01":
            name = '字母';
            break;
        case "02":
            name = '元音';
            break;
        case "03":
            name = '辅音';
            break;
        case "04":
            name = '词法词汇';
            break;
        case "05":
            name = '句法';
            break;
        case "06":
            name = '社会交际';
            break;
        case "07":
            name = '日常起居';
            break;
        case "08":
            name = '情感关系';
            break;
        case "09":
            name = '旅游出行';
            break;
        case "10":
            name = '学习工作';
            break;
        case "11":
            name = '文娱体育';
            break;
        case "12":
            name = '自然环境';
            break;
        case "13":
            name = '科学技术';
            break;
        case "14":
            name = '人文社会';
            break;
        case "16":
            name = '基本常识';
            break;
        case "17":
            name = '教育';
            break;
        case "18":
            name = '工作职场';
            break;
        case "19":
            name = '人文社科';
            break;
        default:
            name = '其他';
            break;
    }
    return name;
}
//资料类型返回学习模式
function MachStudyMode(type) {
    var Code = "";
    switch (type) {
        case "0":
        case "2":
        case "4":
            Code = "SM01";//浏览
            break;
        case "1":
            Code = "SM01|SM06|SM08";//浏览|朗读|翻译
            break;
        case "3":
            Code = "SM03|SM05";//泛听|跟读
            break;
        case "5":
            Code = "SM03|SM05|SM04";//泛听|跟读|听写
            break;
        case "6":
            Code = "SM01|SM09";//浏览|配音
            break;
    }
    return Code;
}
//统计英语词汇个数
function wordStatic(word) {
    // 更新计数
    var length = 0;
    if (word.length > 0) {
        // 替换中文字符为空格
        word = word.replace(/[\u4e00-\u9fa5]+/g, " ");
        // 将换行符，前后空格不计算为词汇数
        word = word.replace(/\n|\r|^\s+|\s+$/gi, "");
        // 多个空格替换成一个空格
        word = word.replace(/\s+/gi, " ");

        var match = word.match(/\s/g);
        if (match) {
            length = match.length + 1;
        } else {
            length = 1;
        }
    }
    return length;
}

/*截取字符串长度，返回指定长度的字符串（英文字符算1、汉字算2）*/
function GetStrOfLength(str, num) {
    var realLength = 0, strLength = 0, strNum = 0;
    var len = str.length, charCode = -1;

    for (var i = 0; i < len; i++) {
        charCode = str.charCodeAt(i);
        if (charCode >= 0 && charCode <= 128) {
            realLength += 1;
        }
        else {
            realLength += 2;
        }
        strLength += 1;
        if (realLength > parseInt(num - 2)) {
            strNum += 1;
            if (realLength > parseInt(num)) {
                strLength -= 1;
                strNum -= 1;
                break;
            }
        }
    }

    if (str.substring(0, strLength) == str) {
        return str.substring(0, strLength);
    }
    else {
        return str.substring(0, strLength - strNum) + "…";
    }
}

function getByteLen(str) {
    var len = 0;
    for (var i = 0; i < str.length; i++) {
        str[i].match(/[^\x00-\xff]/ig) != null ? len += 2 : len++;
    }
    return len;
}

//去掉字符串两端多余的空格
function Trim(str) {
    return str.replace(/(^\s*)|(\s*$)/g, "");
}
//将页面视图转换成HTML格式
function HTMLDecode(text) {
    var s = "";
    if (text.length == 0 || text == null) return "";
    s = text.replace(/<br \/>/ig, "\r\n");
    s = s.replace(/<BR>/ig, "\r\n");
    s = s.replace(/&quot;/g, "\"");
    s = s.replace(/&#39;/g, "\'");
    s = s.replace(/&nbsp;/g, " ");
    s = s.replace(/&gt;/g, ">");
    s = s.replace(/&lt;/g, "<");
    s = s.replace(/&_br/ig, "\n");
    s = s.replace(/&amp;/g, "&");
    return s;
}
//转换成HTML标签的特殊字符
function HTMLEncode(html) {
    var s = "";
    if (html.length == 0) return "";
    s = html.replace(/&/ig, "&amp;");
    s = s.replace(/</ig, "&lt;");
    s = s.replace(/>/ig, "&gt;");
    s = s.replace(/ /ig, "&nbsp;");
    s = s.replace(/\'/ig, "&#39;");
    s = s.replace(/\"/ig, "&quot;");
    s = s.replace(/\r/ig, "");
    s = s.replace(/\n/ig, "<br />");
    return s;
}

//检测日期是否正确
var productTime = "2013-1-1"; //系统安装时间
function checkQueryDate(beginDate, endDate, curServerDate) {
    beginDate = String(beginDate).replace(/-/gi, "/");
    endDate = String(endDate).replace(/-/gi, "/");
    var minDateStr = String(productTime).replace(/-/gi, "/");
    var curTime = String(curDate).replace(/-/gi, "/");
    try {
        var bt = new Date(beginDate);
        var et = new Date(endDate);
        var mt = new Date(minDateStr);
        var ct = new Date(curTime);
        if (bt > ct) {//开始日期大于今天
            return 1;
        }
        else if (bt < mt) {//开始日期小于产品发布时间
            return 2;
        }
        else if (bt > et) {//结束日期小于开始日期
            return 3;
        }
    }
    catch (e) {
        return 4;
    }
    return 0;
}

//全选、反选实现，传入复选框们所在div及全选复选框的ID
function selCheckBox(divID, allChkID, chkType) {
    var e = document.getElementById(divID).getElementsByTagName("input");
    var inputAll = document.getElementById(allChkID);
    if (chkType == 0) {//全选框
        if (inputAll.checked) {
            for (var i = 0; i < e.length; i++) {
                if (e[i].type == "checkbox" && e[i].id != allChkID) {
                    e[i].checked = true;
                }
            }
        }
        else {
            for (var i = 0; i < e.length; i++) {
                if (e[i].type == "checkbox" && e[i].id != allChkID) {
                    e[i].checked = false;
                }
            }
        }
    }
    else if (chkType == 1) {//子复选框
        var ncount = 0;
        var chkCount = 0;
        for (var i = 0; i < e.length; i++) {
            if (e[i].type == "checkbox" && e[i].id != allChkID) {
                chkCount = chkCount + 1;
                if (e[i].checked == true) {
                    ncount = ncount + 1;
                }
            }
        }
        if (ncount == chkCount) {
            inputAll.checked = true;
        }
        else {
            inputAll.checked = false;
        }
    }
}

//获取div下用逗号分格的已选复选框value值
function getSelChks(divID, allChkID) {
    var obj = document.getElementById(divID).getElementsByTagName("input");
    var numStr = "";
    var obj = document.getElementsByTagName("input");
    for (var i = 0; i < obj.length; i++) {
        if (obj[i].type == "checkbox" && obj[i].id != allChkID) {
            if (obj[i].checked == true) {
                numStr += obj[i].value + ",";
            }
        }
    }
    if (numStr != "") {
        numStr = numStr.substr(0, numStr.length - 1);
    }
    return numStr;
}

//---------------------浏览器兼容Begin-----------------------------//

//注册元素事件的方法，第一个参数为指定元素，第二个参数是事件（不带on开头），第三个是事件的方法.针对老版本火狐、chrome等标准浏览器
function addEvent(elem, eventName, handler) {
    if (elem.attachEvent) {  //IE、最新版的firefox,chrome,opera,safari
        elem.attachEvent("on" + eventName, function () {
            handler.call(elem)
        });

    } else if (elem.addEventListener) {   //firefox,chrome,opera,safari
        elem.addEventListener(eventName, handler, false);
    }
}

//注销元素事件方法
function removeEvent(elem, eventName, handler) {
    if (elem.detachEvent) {
        elem.detachEvent("on" + eventName, function () {
            handler.call(elem)
        });
    } else if (elem.removeEventListener) {
        elem.removeEventListener(eventName, handler, false);
    }
}

//调用元素的点击事件,参数为该元素。IE只支持click()，safari只支持标准事件调用方式。
function doClick(obj) {
    if (document.all) {  //IE
        obj.click();
    }
    else {   //firefox,chrome,opera,safari
        var evt = document.createEvent("MouseEvents");
        evt.initEvent("click", true, true);
        obj.dispatchEvent(evt);
    }
}

//获取keycode,火狐中获取事件源需要传递参数，IE可直接window.event获取事件源，且老版本火狐只能用e.which
//chrome,opera,safari只支持e.keyCode
function getKeyCode(e) {
    e = e ? e : window.event;
    return e.which ? e.which : e.keyCode;
}

//获取innerText。火狐只能用textContent，IE只能用innerText.
//chrome,opera,safari同时支持textContent及innerText
function getInnerTxt(obj) {
    if (document.all) {
        return obj.innerText;
    } else {
        return obj.textContent;
    }
}

var theObjForCut;
var CwidthInterval;
var AwidthInterval;
function hideWidthToggle(obj, speed) {
    var width = parseInt(obj.style.width);
    if (width == 0) {
        AwidthInterval = setInterval("AddW(" + speed + ")", 1);

    }
    else {
        obj.setAttribute("oldWidth", width);
        theObjForCut = obj;
        CwidthInterval = setInterval("CutW(" + speed + ")", 1);
    }

}
function CutW(sp) {
    if (!(parseInt(theObjForCut.style.width) - sp < 0))
        theObjForCut.style.width = parseInt(theObjForCut.style.width) - sp + "px";
    else {
        theObjForCut.style.width = 0;
        window.clearInterval(CwidthInterval);
    }

}
function AddW(sp) {
    var oldW = theObjForCut.getAttribute("oldWidth");
    if (parseInt(theObjForCut.style.width) + sp < oldW)
        theObjForCut.style.width = parseInt(theObjForCut.style.width) + sp + "px";
    else {
        theObjForCut.style.width = oldW;
        window.clearInterval(AwidthInterval);
    }

}

//读取cookie
function getCookie(name) {
    var arr, reg = new RegExp("(^| )" + name + "=([^;]*)(;|$)");
    if (arr = document.cookie.match(reg))
        return unescape(arr[2]);
    else
        return null;
}
//重难点标注提示
function IsShowZNDTeach() {
    var targ = getCookie("IsShowZNDLayer");
    if (targ == null || targ == 1) {
        //调整期限
        LayerOpen(1,"auto",0,"<div class='MarkZNDOutContent'><div class='MarkZNDAlert'><div class='CloseAlert'></div><div class='NoAlert'>不再提示</div></div></div>");

        $(".CloseAlert").off("click").click(function () {
            layer.closeAll();
            document.cookie = "IsShowZNDLayer=1";
        });
        $(".NoAlert").off("click").click(function () {
            layer.closeAll();
            document.cookie = "IsShowZNDLayer=0";
        });
    }
}
//获取当前时间
function getNowFormatDate() {
    var date = new Date();
    var seperator1 = "-";
    var seperator2 = ":";
    var month = date.getMonth() + 1;
    var day = date.getDate();
    var hour = date.getHours();
    var minute = date.getMinutes();
    var second = date.getSeconds();
    if (month >= 1 && month <= 9) {
        month = "0" + month;
    }
    if (day >= 0 && day <= 9) {
        day = "0" + day;
    }
    if (hour >= 0 && hour <= 9) {
        hour = "0" + hour;
    }
    if (minute >= 0 && minute <= 9) {
        minute = "0" + minute;
    }
    if (second >= 0 && second <= 9) {
        second = "0" + second;
    }
    var currentdate = date.getFullYear() + seperator1 + month + seperator1 + day
            + " " + hour + seperator2 + minute
            + seperator2 + second;
    return currentdate;
}
/*将数字（秒）转化为xx天xx小时xx分钟xx秒*/
function TransLongDatatime(time) {
    var sStr = "";
    var stime = parseInt(time);
    if (stime > 86400) { var dtime = parseInt(stime / 86400); sStr += dtime + "天"; stime = stime % 86400; }
    if (stime > 3600) { var htime = parseInt(stime / 3600); sStr += htime + "小时"; stime = stime % 3600; }
    if (stime > 60) { var mtime = parseInt(stime / 60); sStr += mtime + "分"; stime = stime % 60; }
    sStr += stime + "秒";
    return sStr;
}

/*js获取时间并转换为YYYY-MM-DD HH:MM:SS*/
function getFormatDate(date) {
    var seperator1 = "-";
    var seperator2 = ":";
    var month = date.getMonth() + 1;
    var day = date.getDate();
    var hour = date.getHours();
    var minute = date.getMinutes();
    var second = date.getSeconds();
    if (month >= 1 && month <= 9) {
        month = "0" + month;
    }
    if (day >= 0 && day <= 9) {
        day = "0" + day;
    }
    if (hour >= 0 && hour <= 9) {
        hour = "0" + hour;
    }
    if (minute >= 0 && minute <= 9) {
        minute = "0" + minute;
    }
    if (second >= 0 && second <= 9) {
        second = "0" + second;
    }
    var currentdate = date.getFullYear() + seperator1 + month + seperator1 + day
            + " " + hour + seperator2 + minute
            + seperator2 + second;
    return currentdate;
}

function StringTrim(str) { //删除左右两端的空格
    return str.replace(/(^\s*)|(\s*$)/g, "");
}

/*js获取文件后缀名*/
function GetFileBackName(filename) {
    if (filename != null && filename != "") {
        if (filename.lastIndexOf(".") > 0) {
            var index1 = filename.lastIndexOf(".");
            var index2 = filename.length;
            var postf = filename.substring(index1, index2);//后缀名  
            postf = postf.replace(".", "");
            return postf.toLowerCase();
        }
    }
    return "";
}

/*统计textarea中的字数，用textarea中的 onkeydown与onkeyup函数(区分中英文)*/
function countChar(textareaName, spanName) {
    var v = document.getElementById(textareaName).value;
    var cn = (v.match(/[a-z]+|[\u4E00-\uFA29]/ig) || []).length;
    document.getElementById(spanName).innerText = cn;
}

function StickLayerMag() {
    $(".layui-layer-msg").append("<iframe frameborder='0' scrolling='no' style='position: absolute; top: 0px; left: 0px; width: 100%; height: 100%; z-index: -1; opacity: 0; filter: alpha(opacity=0);'></iframe>");
}

/*判断当前浏览器是否处于全屏*/
function IsFullScreen() {
    var isFull = document.fullscreenEnabled || window.fullScreen || document.webkitIsFullScreen || document.msFullscreenEnabled;
    if (typeof isFull == "undefined") {
        return false;
    }
    return isFull;
}


/*layer弹出层公共方法*/

function LoadLayuiCss() {
    layui.use("layer", function () {
        var layer = layui.layer;
        layer.config({
            extend: 'fscloudskin/style.css'
        });
    });
}

function LayerConfirm(msg, type, confirmFunc, cancelFunc) {
    var layerIndex;
    layui.use("layer", function () {
        var layer = layui.layer;
        layer.config({
            extend: 'fscloudskin/style.css'
        });
        layerIndex = layer.confirm(msg, {
            btn: ['确定', '取消'],
            icon: type,
            title: ' ',
            skin: 'layer-ext-fscloudskin'
        }, function () {
            if (typeof confirmFunc == "function") {
                confirmFunc();
            }
            layer.close(layerIndex);
        }, function () {
            if (typeof cancelFunc == "function") {
                cancelFunc();
            }
        });
    });

    return layerIndex;
}

function LayerMsg(msg, type, closetime, callback) {
    var layerIndex;
    layui.use("layer", function () {
        var layer = layui.layer;
        layer.config({
            extend: 'fscloudskin/style.css'
        });
        layerIndex = layer.msg(msg, {
            icon: type,
            time: closetime,
            skin: 'layer-ext-fscloudskin'
        }, function () {
            if (typeof callback == "function") {
                callback();
            }
        });
        $("#layui-layer" + layerIndex + ",layui-layer-shade").append("<iframe frameborder='0' scrolling='no' style='position: absolute; top: 0px; left: 0px; width: 100%; height: 100%; z-index: -1; opacity: 0; filter: alpha(opacity=0);'></iframe>");
    });
    return layerIndex;
}

function LayerAlert(msg, type, callback) {
    var layerIndex;
    layui.use("layer", function () {
        var layer = layui.layer;
        layer.config({
            extend: 'fscloudskin/style.css'
        });
        layerIndex = layer.alert(msg, {
            icon: type,
            title: ' ',
            skin: 'layer-ext-fscloudskin'
        }, function () {
            if (typeof callback == "function") {
                callback();
            }
            layer.close(layerIndex);
        });
        $("#layui-layer" + layerIndex + ",layui-layer-shade").append("<iframe frameborder='0' scrolling='no' style='position: absolute; top: 0px; left: 0px; width: 100%; height: 100%; z-index: -1; opacity: 0; filter: alpha(opacity=0);'></iframe>");
    });
    return layerIndex;
}

function LayerTip(msg, type , target, time) {
    var layerIndex;
    type = type == 1 ? [1, "#ff6600"] : [type, "#ff6600"];
    layui.use("layer", function () {
        var layer = layui.layer;
        layer.config({
            extend: 'fscloudskin/style.css'
        });
        layerIndex=layer.tips(msg, target, {
            tips: type,//1为出现在上方,[1, '#00acff']为出现在上方且修改颜色
            time: time,
            skin: 'layer-ext-fscloudskin'
        });
    });

    return layerIndex;
}

function LayerOpen(typeTxt,areaTxt,borderWidth,contentTxt) {
    var layerIndex;
    layui.use("layer", function () {
        var layer = layui.layer;
        layer.config({
            extend: 'fscloudskin/style.css'
        });
        layer.open({
            type: typeTxt,
            shade: [0.35, "#000", true],
            title: false,
            area:areaTxt,
            skin: 'layer-ext-fscloudskin',
            border: borderWidth,
            closeBtn: false,
            content: contentTxt
        });
    });

    return layerIndex;
}

function LayerClose(index) {
    layer.close(index);
}


Date.prototype.Format = function (fmt) { //author: meizz 
    var o = {
        "M+": this.getMonth() + 1, //月份 
        "d+": this.getDate(), //日 
        "h+": this.getHours(), //小时 
        "m+": this.getMinutes(), //分 
        "s+": this.getSeconds(), //秒 
        "q+": Math.floor((this.getMonth() + 3) / 3), //季度 
        "S": this.getMilliseconds() //毫秒 
    };
    if (/(y+)/.test(fmt)) fmt = fmt.replace(RegExp.$1, (this.getFullYear() + "").substr(4 - RegExp.$1.length));
    for (var k in o)
        if (new RegExp("(" + k + ")").test(fmt)) fmt = fmt.replace(RegExp.$1, (RegExp.$1.length == 1) ? (o[k]) : (("00" + o[k]).substr(("" + o[k]).length)));
    return fmt;
}
//判断日期 时间大小    
function compareTime(startDate, endDate) {
    if (startDate.length > 0 && endDate.length > 0) {
        var startDateTemp = startDate.split(" ");
        var endDateTemp = endDate.split(" ");

        var arrStartDate = startDateTemp[0].split("-");
        var arrEndDate = endDateTemp[0].split("-");

        var arrStartTime = startDateTemp[1].split(":");
        var arrEndTime = endDateTemp[1].split(":");

        var allStartDate = new Date(arrStartDate[0], arrStartDate[1], arrStartDate[2], arrStartTime[0], arrStartTime[1], arrStartTime[2]);
        var allEndDate = new Date(arrEndDate[0], arrEndDate[1], arrEndDate[2], arrEndTime[0], arrEndTime[1], arrEndTime[2]);

        if (allStartDate.getTime() >= allEndDate.getTime()) {
            return false;
        } else {
            return true;
        }
    } else {
        return false;
    }
}

//判断日期 startDate<endDate超过30分钟    
function compareTimeMoreThanThirty(startDate, endDate) {
    if (startDate.length > 0 && endDate.length > 0) {
        var startDateTemp = startDate.split(" ");
        var endDateTemp = endDate.split(" ");

        var arrStartDate = startDateTemp[0].split("-");
        var arrEndDate = endDateTemp[0].split("-");

        var arrStartTime = startDateTemp[1].split(":");
        var arrEndTime = endDateTemp[1].split(":");

        var allStartDate = new Date(arrStartDate[0], arrStartDate[1], arrStartDate[2], arrStartTime[0], parseInt(arrStartTime[1])+30, arrStartTime[2]);
        var allEndDate = new Date(arrEndDate[0], arrEndDate[1], arrEndDate[2], arrEndTime[0], arrEndTime[1], arrEndTime[2]);

        if (allStartDate.getTime() >= allEndDate.getTime()) {
            return false;
        } else {
            return true;
        }
    } else {
        return false;
    }
}


//unicode为1个接收数据，串口收到的字符编码放在该数组中
function UnicodeToUtf8(unicode) {
    var uchar;
    var utf8str = "";
    var i;

    for (i = 0; i < unicode.length; i += 2) {
        uchar = (unicode[i] << 8) | unicode[i + 1];				//UNICODE为2字节编码，一次读入2个字节
        utf8str = utf8str + String.fromCharCode(uchar);	//使用String.fromCharCode强制转换
    }
    return utf8str;
}


function Utf8ToUnicode(strUtf8) {
    var i, j;
    var uCode;
    var temp = new Array();

    for (i = 0, j = 0; i < strUtf8.length; i++) {
        uCode = strUtf8.charCodeAt(i);
        if (uCode < 0x100) {					//ASCII字符
            temp[j++] = 0x00;
            temp[j++] = uCode;
        } else if (uCode < 0x10000) {
            temp[j++] = (uCode >> 8) & 0xff;
            temp[j++] = uCode & 0xff;
        } else if (uCode < 0x1000000) {
            temp[j++] = (uCode >> 16) & 0xff;
            temp[j++] = (uCode >> 8) & 0xff;
            temp[j++] = uCode & 0xff;
        } else if (uCode < 0x100000000) {
            temp[j++] = (uCode >> 24) & 0xff;
            temp[j++] = (uCode >> 16) & 0xff;
            temp[j++] = (uCode >> 8) & 0xff;
            temp[j++] = uCode & 0xff;
        } else {
            break;
        }
    }
    temp.length = j;
    return temp;
}