js常用方法封装

/*! JSON v3.3.2 | http://bestiejs.github.io/json3 | Copyright 2012-2014, Kit Cambridge | http://kit.mit-license.org */
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jQuery.toJSON = JSON.stringify;JSON.encode = JSON.stringify;JSON.decode = JSON.parse;

function getResultAjax(data) {
    var result = null;
    var resultObj = null;
    if(typeof(data) == 'string') resultObj = eval("(" + data + ")");
    else resultObj = eval("(" + $.toJSON(data) + ")");
    if (resultObj != null && resultObj.retCode == 1) result = resultObj.retObj;
    return result;
}



function getResult(data) {
    var result = null;
    var resultObj = null;
    if(typeof(data) == 'string') resultObj = eval("(" + data + ")");
    else resultObj = eval("(" + $.toJSON(data) + ")");
    if (resultObj != null && resultObj.resCode == 1) result = resultObj.result;
    return result;
}


function Map()  {
    this.elements = new Array();
    //获取MAP元素个数
    this.size = function () {
        return this.elements.length;
    };

    //判断MAP是否为空
    this.isEmpty = function () {
        return (this.elements.length < 1);
    };
    
    //删除MAP所有元素
    this.clear = function () {
        this.elements = new Array();
    };
    
    //向MAP中增加元素（key, value)
    this.put = function (_key, _value) {
        if (this.containsKey(_key)) {
            this.remove(_key);
        }
        this.elements.push({key:_key, value:_value});
    };
    //删除指定KEY的元素，成功返回True，失败返回False
    this.remove = function (_key) {
        var bln = false;
        try {
            for (i = 0; i < this.elements.length; i++) {
                if (this.elements[i].key == _key) {
                    this.elements.splice(i, 1);
                    return true;
                }
            }
        }
        catch (e) {
            bln = false;
        }
        return bln;
    };
 
    //获取指定KEY的元素值VALUE，失败返回NULL
    this.get = function (_key) {
        try {
            for (i = 0; i < this.elements.length; i++) {
                if (this.elements[i].key == _key) {
                    return this.elements[i].value;
                }
            }
        }
        catch (e) {
            return null;
        }
    };
    
    //获取指定索引的元素（使用element.key，element.value获取KEY和VALUE），失败返回NULL
    this.element = function (_index) {
        if (_index < 0 || _index >= this.elements.length) {
            return null;
        }
        return this.elements[_index];
    };

    //判断MAP中是否含有指定KEY的元素
    this.containsKey = function (_key) {
        var bln = false;
        try {
            for (i = 0; i < this.elements.length; i++) {
                if (this.elements[i].key == _key) {
                    bln = true;
                }
            }
        }
        catch (e) {
            bln = false;
        }
        return bln;
    };

    //判断MAP中是否含有指定VALUE的元素
    this.containsValue = function (_value) {
        var bln = false;
        try {
            for (i = 0; i < this.elements.length; i++) {
                if (this.elements[i].value == _value) {
                    bln = true;
                }
            }
        }
        catch (e) {
            bln = false;
        }
        return bln;
    };

    //获取MAP中所有VALUE的数组（ARRAY）
    this.values = function () {
        var arr = new Array();
        for (i = 0; i < this.elements.length; i++) {
            arr.push(this.elements[i].value);
        }
        return arr;
    };

    //获取MAP中所有KEY的数组（ARRAY）
    this.keys = function () {
        var arr = new Array();
        for (i = 0; i < this.elements.length; i++) {
            arr.push(this.elements[i].key);
        }
        return arr;
    };
}

/**
 * 判断字符串是否为空
 * @param o
 * @returns {Boolean}
 */
function isNull(o) {
    return o == null || o == "" || o == "undefined";
}

/**
 * 校验用户输入是否为数字
 * @param {Object} e
 */
function isNumber(e) {
    if (navigator.appName.indexOf("Microsoft") != -1) {
        e = e == null ? window.event : e;
        if (((e.keyCode > 47) && (e.keyCode < 58)) || (e.keyCode == 8)) {
            return true;
        } else {
            e.cancelBubble = true;
            e.returnvalue = false;
            return false;
        }
    } else {
        if (navigator.appName.indexOf("Netscape") != -1) {
            if (((e.which > 47) && (e.which < 58)) || (e.which == 8) || (e.which == 0)) return true; 
            else return false;
        } else return true;
    }
}

/**
**获取URL的参数值
**@param strName 参数名称
**/
function getRequestURLParam(strName) {
    var strVal = "";
    var strHref = document.location.href;
    var intPos = strHref.indexOf("?");
    var strRight = strHref.substr(intPos + 1);
    var arrTmp = strRight.split("&");
    for (var i = 0; i < arrTmp.length; i++) {
        var arrTemp = arrTmp[i].split("=");
        if (arrTemp[0].toUpperCase() == strName.toUpperCase()) {
            strVal = arrTemp[1];
        }
    }
    return strVal;
}

/**
 * 校验是否为移动号码
 * @param {Object} value
 */
function chkCelNumber(value) {
    //判断是否需要校验是否中国移动手机号码
    var checkChinaMobile = value || false;
    var mobile = checkChinaMobile ? /^1[3456789]\d{9}$/ : /^13[4-9]\d{8}$/;
    return mobile.test(value);
}

/**
 * 验证邮箱
 * @param email
 * @returns
 */
function checkEmail(email) {
    var reg = /^([a-zA-Z0-9._-])+@([a-zA-Z0-9._-])+((\.[a-zA-Z0-9_-]{2,3}){1,2})$/;
    var flag = reg.test(email);
    return flag;
}

//非法字符校验
function checkChar(str) {
    var wordsArray = new Array("％","%","*", "●", "▲", "■", "@", "＠", "◎", 
            "★", "※", "＃", "〓", "＼", "§", "☆", "○", "◇", "◆", "□", "△", "＆", 
            "＾", "￣", "＿","♂","♀","Ю","┭","①","「","」","≮","§","￡","∑","『","』",
            "⊙","∷","Θ","の","↓","↑","Ф","~","Ⅱ","∈","┣"," ┫","╋","﹉", "＃",
            "＠", "＆", "＊", "※", "§", "〃", "№", "〓", "○","●", "△", "▲", "◎", "☆", "★",
            "◇", "◆", "■", "□", "▼", "▽","㊣", "℅", "ˉ", "￣", "＿", "﹍", "﹊", "﹎", "﹋", 
            "﹌", "﹟", "﹠","﹡", "♀", "♂", "?", "⊙", "↑", "↓", "←", "→", "↖", "↗", "↙","↘", 
            "┄", "︴", "﹏", "（", "）", "︵", "︶", "｛", "｝", "︷","︸", "〔", "〕", "︹", "︺", 
            "【", "】", "︻", "︼", "《", "》", "︽","︾", "〈", "〉", "︿", "﹀", "「", "」", 
            "﹁", "﹂", "『", "』", "﹃","﹄", "﹙", "﹚", "﹛", "﹜", "﹝", "﹞", 
            "\"", "〝", "〞", "ˋ","ˊ", "≈", "≡", "≠", "＝", "≤", "≥", "＜", "＞", "≮", "≯", "∷",
            "±", "＋", "×", "÷", "／", "∫", "∮", "∝", "∧", "∨", "∞","∑", "∏", "∪", "∩", "∈", 
            "∵", "∴", "⊥", "∥", "∠", "⌒", "⊙","≌", "∽", "√", "≦", "≧", "≒", "≡", "﹢", "﹣", 
            "﹤", "﹥", "﹦","～", "∟", "⊿", "∥", "㏒", "㏑", "∣", "｜", "︱", "︳", "|", "／","＼", "∕", 
            "﹨", "¥", "€", "￥", "£", "®", "™", "©", "々","～", "‖", "ˇ", "ˉ", "&", "*", "#", "`", "~",
            "=", "(", ")", "^","$", "@", "\\", "/", ">", "<", "[", "]", "{", "}");
    var len = wordsArray.length;
    for (var i = 0; i < len; i++) {
        if (str.indexOf(wordsArray[i]) != -1) {
            return wordsArray[i];
        }
    }
    return "";
}

/**
 * 检测密码简易程度，并且为6位数字
 * 重复的（如：111111，666666等）、连续的（如：123456、234567等
 */
function checkPass(number) {
    if (!/^\d{6}$/.test(number)) return false; // 不是6位数字
    if (/^(\d)\1+$/.test(number)) return false;  // 全一样
     
    var numberStr = number.replace(/\d/g, function($0, pos) {
        return parseInt($0)-pos;
    });
    if (/^(\d)\1+$/.test(numberStr)) return false;  // 顺增
     
    numberStr = number.replace(/\d/g, function($0, pos) {
        return parseInt($0)+pos;
    });
    if (/^(\d)\1+$/.test(numberStr)) return false;  // 顺减
    return true;
}

/**
 * 键盘回车事件
 * @param e
 * @param fn
 */
function enterEvent(e, fn)
{
    if ($.browser.msie)
    {
        if (event.keyCode == 13) eval(fn);
    }
    else
    {
        if (e.which == 13) eval(fn);
    }
}

/**
 * 获取字符串长度 （一个中文字符长度为2）
 * @param str
 */
function getLength(str)
{
    if (isNull(str)) return 0;
    var strlen = 0; 
    for(var i = 0; i < str.length; i ++)
    {
           if(str.charCodeAt(i) > 128)
           {
               strlen += 2;
           }
           else  strlen ++;
    }
    return strlen;
}

/**
 * 截取指定长度字符串 （包含中文字符）
 * @param str
 * @param len
 */
function subStrCharacter(str, len)
{
    var strlen = 0; 
    var s = "";
    if (isNull(str)) return s;
    var tmpLen = getLength(str);
    for(var i = 0;i < str.length;i++)
    {
        if(str.charCodeAt(i) > 128)
        {
            strlen += 2;
        }
        else
        { 
            strlen ++;
        }
        s += str.charAt(i);
        if(strlen >= len && strlen < tmpLen)
        { 
           return s + "..." ;
        }
    }
    return s;
}


/*图片延迟加载*/
function lazyload(option) 
{
    var settings = {defObj:null, defHeight:0};
    settings = $.extend(settings, option);
    var defHeight = settings.defHeight;
    var defObj = $(settings.defObj).find("img[lazy-src]");
    var pageTop = function () {
        return document.documentElement.clientHeight + Math.max(document.documentElement.scrollTop, document.body.scrollTop) - settings.defHeight;
    };
    var imgLoad = function () {
        defObj.each(function () {
            if ($(this).offset().top <= pageTop()) {
                var xsrc = $(this).attr("lazy-src");
                if (xsrc) {
                    $(this).attr("src", xsrc).removeAttr("lazy-src");
                }
            }
        });
    };
    imgLoad();
    $(window).on("scroll", imgLoad);
}

//验证身份证号方法 
function isIdCard(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 false; 
    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 true; 
            else return false; 
            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 true; 
                else return false; 
            } 
            else return false; 
            break; 
        default: 
            return false; 
            break; 
    } 
}



/**
 * 判断是否为手机端
 * @returns {Boolean}
 */
function isMobileClient()
{
    var userAgentInfo = navigator.userAgent;
    var agents = ["Android", "iPhone", "SymbianOS", "Windows Phone", "iPad", "iPod"];
    var flag = false;
    for (var v = 0; v < agents.length; v ++) {
        if (userAgentInfo.indexOf(agents[v]) > 0) {
            flag = true;
            break;
        }
    }
    return flag;
}

/**
 * 是否是安卓客户端
 * @returns {Boolean}
 */
function isAndroidClientApp() 
{
    var userAgentInfo = navigator.userAgent;
    if (userAgentInfo.indexOf('xwapp_andriod') > 0) return true;
    else return false;
}

/**
 * 是否是IOS客户端
 * @returns {Boolean}
 */
function isIOSClientApp() 
{
    var userAgentInfo = navigator.userAgent;
    if (userAgentInfo.indexOf('xwapp_ios') > 0) return true;
    else return false;
}