jquery常用common类和函数

1、常用方法:

/*===============101doGet开始=============================*/
function doGet(url, data, success) {
    $.ajax({
        type: 'GET',
        url: url,
        data: data,
        success: success,
        dataType: "json"
    });
}
/*===============101doGet结束=============================*/

/*===============102doPost开始=============================*/
function doPost(url, data, success) {
    $.ajax({
        type: 'POST',
        url: url,
        data: data,
        success: success,
        dataType: "json"
    });
}
/*===============102doPost结束=============================*/


/*===============001时间格式处理开始=============================*/
//处理时间格式
Date.prototype.Format = function (fmt) {
    var o = {
        "M+": this.getMonth() + 1, //月份 
        "d+": this.getDate(), //
        "H+": this.getHours() - 0, //小时 
        "m+": this.getMinutes(), //
        "s+": this.getSeconds(), //
        "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;
}
//获取日期
function GetDate(type) //type   1:当天  2:当周周一 3:当月一号 4:三个月前一天 5:当年第一天
{
    var result;
    var now = new Date();

    if (type == 1)//1:当天
    {
        result = now.Format("yyyy-MM-dd");
    } else if (type == 2) {   // 2:当周周一
        var d = new Date(),
            day = d.getDay(),
            date = d.getDate();
        if (day == 0)
            d.setDate(date - 6);
        else
            d.setDate(date - day + 1);
        result = d.Format("yyyy-MM-dd");;

    } else if (type == 3) {//当月一号 
        now.setDate(1)
        result = now.Format("yyyy-MM-dd");
    } else if (type == 4) {//三个月前一天  
        result = (new Date(now.getTime() - 7776000000)).Format("yyyy-MM-dd");
    }
    else if (type == 5) {//当年第一天 
        result = (new Date(now.getFullYear() + "-01-01")).Format("yyyy-MM-dd"); //
    }

    return result;
}

//时间转换成日期
function comConvertDate(datetime) {
    var value = typeof (datetime) == "function" ? datetime() : datetime;

    var reg = /^\/Date\((\d+)\)\/$/;
    if (reg.test(value)) {
        value = parseInt(reg.exec(value)[1]);
    }
    date = new Date(value);
    var time = date.Format("yyyy-MM-dd");
    if (time == "1970-01-01")
        time = "";
    if (time == "1900-01-01")
        time = "";
    return time;
}

//时间转换成日期format,自定义格式
function comConvertDateFormat(datetime, format) {
    var value = typeof (datetime) == "function" ? datetime() : datetime;

    var reg = /^\/Date\((\d+)\)\/$/;
    if (reg.test(value)) {
        value = parseInt(reg.exec(value)[1]);
    }
    date = new Date(value);
    var time = date.Format(format);
    if (time == "1970-01-01")
        time = "";
    return time;
}

//时间转日期包括时分
function comConvertDateTime(datetime) {
    var value = typeof (datetime) == "function" ? datetime() : datetime;

    var reg = /^\/Date\((\d+)\)\/$/;
    if (reg.test(value)) {
        value = parseInt(reg.exec(value)[1]);
    }
    date = new Date(value);
    var time = date.Format("yyyy-MM-dd HH:mm");
    if (time == "1970-01-01")
        time = "";
    return time;
}
/*===============001时间格式处理结束=============================*/


/*===============002获取url中的参数开始=============================*/
function ComGetUrlParam(url) {
    var reg = new RegExp("(^|&)" + url + "=([^&]*)(&|$)"); //构造一个含有目标参数的正则表达式对象
    var r = window.location.search.substr(1).match(reg);  //匹配目标参数
    if (r != null) return unescape(r[2]); return ""; //返回参数值
}
/*===============002获取url中的参数结束=============================*/

/*===============003字符串是否为空开始=============================*/
function ComStrIsNull(val) {
    if (val === undefined) {
        return true;
    }
    if (val === null) {
        return true;
    }
    if (val === "") {
        return true;
    }
}
/*===============003字符串是否为空结束=============================*/

/*===============004字数截取开始=============================*/
function comStrSubstring(text, length) {
    var zhi = text;
    if (!ComStrIsNull(text) && text != "" && text.length > length)
        zhi = text.substring(0, length);
    return zhi;
}
/*===============004字数截取结束=============================*/
function LoadFenGongSi(elementid, callback) {
    $.ajax({
        url: MainDomain + "/API/GetFenGongSi",
        type: "post",
        data: {},
        success: function (data) {
            var result = jQuery.parseJSON(data)
            var list = "<option value='0'>地区</option>";
            if (result != null && result != '') {
                for (var i = 0; i < result.length; i++) {//这里特殊处理下
                    list += "<option value=\"" + result[i].FenGongSiID + "\">" + result[i].GongSiMingCheng + "</option>";
                }
            }
            $(elementid).html(list);
            if (callback) {
                callback(elementid);
            }
        }
    });
};
var DataBiaoJi = [{ key: 1, value: "正常" }, { key: 2, value: "异常" }, { key: 3, value: "问题" }]
function comBiaoJi(val) {
    var result = parseInt(val);
    if (isNaN(result)) {
        return "无标记";
    }
    for (var i = 0; i < DataBiaoJi.length; i++) {
        if (DataBiaoJi[i].key == val) {
            result = DataBiaoJi[i].value;
            break;
        }
    }
    return result;
}

var h = {};
h.get = function (url, data, ok, error) {
    $.ajax({
        url: url,
        data: data,
        dataType: 'json',
        success: ok,
        error: error
    });
}
h.post = function (url, data, ok, error) {
    $.ajax({
        url: url,
        data: data,
        type: 'post',
        dataType: 'json',
        success: ok,
        error: error
    });
}
//获取url参数
h.url = function (url) {
    if (!url) {
        url = location.search.substring(1);
    } else {
        url = url.substr(url.indexOf('?') + 1);
    }
    var args = new Object();   // 声明并初始化一个 "类"
    // 获得地址(URL)"?"后面的字符串.
    var query = decodeURI(url);
    var pairs = query.split("&");  // 分割URL(别忘了'&'是用来连接下一个参数)
    for (var i = 0; i < pairs.length; i++) {
        var pos = pairs[i].indexOf('=');
        if (pos == -1) continue; // 它在找有等号的 数组[i]
        var argname = pairs[i].substring(0, pos); // 参数名字
        var value = pairs[i].substring(pos + 1);  // 参数值
        // 以键值对的形式存放到"args"对象中
        args[argname] = decodeURI(value);
    }
    return args;
}
 
// 返回字符串的实际长度, 一个汉字算2个长度 
String.prototype.strlen = function () {
    return this.replace(/[^\x00-\xff]/g, "**").length;
}
//字符串超出省略
String.prototype.cutstr = function (len) {
    var restr = this;
    var wlength = this.replace(/[^\x00-\xff]/g, "**").length;
    if (wlength > len) {
        for (var k = len / 2; k < this.length; k++) {
            if (this.substr(0, k).replace(/[^\x00-\xff]/g, "**").length >= len) {
                restr = this.substr(0, k) + "...";
                break;
            }
        }
    }
    return restr;
}
//替换全部
String.prototype.replaceAll = function (s1, s2) {
    return this.replace(new RegExp(s1, "gm"), s2)
}
//字符串去空格
String.prototype.trim = function () {
    return this.replace(/(^\s*)|(\s*$)/g, "");
}
String.prototype.trimAll = function () {
    return this.replace(/\s+/g, "");
}
String.prototype.lTrim = function () {
    return this.replace(/(^\s*)/g, "");
}
String.prototype.rTrim = function () {
    return this.replace(/(\s*$)/g, "");
}
//判断是否以某个字符串开头
String.prototype.startWith = function (s) {
    return this.indexOf(s) == 0
}
//判断是否以某个字符串结束
String.prototype.endWith = function (s) {
    var d = this.length - s.length;
    return (d >= 0 && this.lastIndexOf(s) == d)
}
 
//删除数组中存在重复的元素
function getUnique(someArray) {
    tempArray = someArray.slice(0); //复制数组到临时数组
    for (var i = 0; i < tempArray.length; i++) {
        for (var j = i + 1; j < tempArray.length;) {
            if (tempArray[j] == tempArray[i])
                //后面的元素若和待比较的相同,则删除并计数;
                //删除后,后面的元素会自动提前,所以指针j不移动
            {
                tempArray.splice(j, 1);
            }
            else {
                j++;
            }
            //不同,则指针移动
        }
    }
    return tempArray;
}
//判断数组中是否存在重复的元素
function confirmRepeat(someArray) {
    tempArray = someArray.slice(0); //复制数组到临时数组
    for (var i = 0; i < tempArray.length; i++) {
        for (var j = i + 1; j < tempArray.length;) {
            if (tempArray[j] == tempArray[i])
                //后面的元素若和待比较的相同,则删除并计数;
                //删除后,后面的元素会自动提前,所以指针j不移动
            {
                return true;
            }
            else {
                j++;
            }
            //不同,则指针移动
        }
    }
    return false;
}
 
//判断某个值是否在数组中
Array.prototype.in_array = function (e) {
    for (i = 0; i < this.length; i++) {
        if (this[i] == e)
            return true;
    }
    return false;
}
//判断某个值在数组中的位置
Array.prototype.indexOf = function (e) {
    for (i = 0; i < this.length; i++) {
        if (this[i] == e)
            return i;
    }
    return -1;
}
 
//转义html标签
function HtmlEncode(text) {
    return text.replace(/&/g, '&').replace(/\"/g, '"').replace(/</g, '<').replace(/>/g, '>')
}
 
//格式化日期 DateFormat('yyyy_MM_dd hh:mm:ss:SS 星期w 第q季度')
function DateFormat(format, date) {
    if (!date) {
        date = new Date();
    }
    var Week = ['', '', '', '', '', '', ''];
    var o = {
        "y+": date.getYear(), //year
        "M+": date.getMonth() + 1, //month 
        "d+": date.getDate(), //day 
        "h+": date.getHours(), //hour 
        "H+": date.getHours(), //hour
        "m+": date.getMinutes(), //minute 
        "s+": date.getSeconds(), //second 
        "q+": Math.floor((date.getMonth() + 3) / 3), //quarter 
        "S": date.getMilliseconds(), //millisecond 
        "w": Week[date.getDay()]
    }
    if (/(y+)/.test(format)) {
        format = format.replace(RegExp.$1, (date.getFullYear() + "").substr(4 - RegExp.$1.length));
    }
    for (var k in o) {
        if (new RegExp("(" + k + ")").test(format)) {
            format = format.replace(RegExp.$1, RegExp.$1.length == 1 ? o[k] : ("00" + o[k]).substr(("" + o[k]).length));
        }
    }
    return format;
}
 
//设置cookie值
function setCookie(name, value, Hours) {
    var d = new Date();
    var offset = 8;
    var utc = d.getTime() + (d.getTimezoneOffset() * 60000);
    var nd = utc + (3600000 * offset);
    var exp = new Date(nd);
    exp.setTime(exp.getTime() + Hours * 60 * 60 * 1000);
    document.cookie = name + "=" + escape(value) + ";path=/;expires=" + exp.toGMTString() + ";domain=360doc.com;"
}
//获取cookie值
function getCookie(name) {
    var arr = document.cookie.match(new RegExp("(^| )" + name + "=([^;]*)(;|$)"));
    if (arr != null) return unescape(arr[2]);
    return null
}
 
//加入收藏夹
function AddFavorite(sURL, sTitle) {
    try {
        window.external.addFavorite(sURL, sTitle)
    } catch (e) {
        try {
            window.sidebar.addPanel(sTitle, sURL, "")
        } catch (e) {
            alert("加入收藏失败,请使用Ctrl+D进行添加")
        }
    }
}
//设为首页
function setHomepage(homeurl) {
    if (document.all) {
        document.body.style.behavior = 'url(#default#homepage)';
        document.body.setHomePage(homeurl)
    } else if (window.sidebar) {
        if (window.netscape) {
            try {
                netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect")
            } catch (e) {
                alert("该操作被浏览器拒绝,如果想启用该功能,请在地址栏内输入about:config,然后将项 signed.applets.codebase_principal_support 值该为true");
            }
        }
        var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);
        prefs.setCharPref('browser.startup.homepage', homeurl)
    }
}
 
//跨浏览器绑定事件
function addEventSamp(obj, evt, fn) {
    if (!oTarget) { return; }
    if (obj.addEventListener) {
        obj.addEventListener(evt, fn, false);
    } else if (obj.attachEvent) {
        obj.attachEvent('on' + evt, fn);
    } else {
        oTarget["on" + sEvtType] = fn;
    }
}
//跨浏览器删除事件
function delEvt(obj, evt, fn) {
    if (!obj) { return; }
    if (obj.addEventListener) {
        obj.addEventListener(evt, fn, false);
    } else if (oTarget.attachEvent) {
        obj.attachEvent("on" + evt, fn);
    } else {
        obj["on" + evt] = fn;
    }
}
 
//判断是否移动设备访问
function isMobileUserAgent() {
    return (/iphone|ipod|android.*mobile|windows.*phone|blackberry.*mobile/i.test(window.navigator.userAgent.toLowerCase()));
}
 
//完美判断是否为网址
function IsURL(strUrl) {
    var regular = /^\b(((https?|ftp):\/\/)?[-a-z0-9]+(\.[-a-z0-9]+)*\.(?:com|edu|gov|int|mil|net|org|biz|info|name|museum|asia|coop|aero|[a-z][a-z]|((25[0-5])|(2[0-4]\d)|(1\d\d)|([1-9]\d)|\d))\b(\/[-a-z0-9_:\@&?=+,.!\/~%\$]*)?)$/i
    if (regular.test(strUrl)) {
        return true;
    } else {
        return false;
    }
}
 
//获取页面高度
function getPageHeight() {
    var g = document, a = g.body, f = g.documentElement, d = g.compatMode == "BackCompat" ? a : g.documentElement;
    return Math.max(f.scrollHeight, a.scrollHeight, d.clientHeight);
}
//获取页面宽度
function getPageWidth() {
    var g = document, a = g.body, f = g.documentElement, d = g.compatMode == "BackCompat" ? a : g.documentElement;
    return Math.max(f.scrollWidth, a.scrollWidth, d.clientWidth);
}
 
//获取页面可视宽度
function getPageViewWidth() {
    var d = document, a = d.compatMode == "BackCompat"
                    ? d.body
                    : d.documentElement;
    return a.clientWidth;
}
//获取页面可视高度
function getPageViewHeight() {
    var d = document, a = d.compatMode == "BackCompat"
                    ? d.body
                    : d.documentElement;
    return a.clientHeight;
}
 
//获取页面scrollLeft
function getPageScrollLeft() {
    var a = document;
    return a.documentElement.scrollLeft || a.body.scrollLeft;
}
//获取页面scrollTop
function getPageScrollTop() {
    var a = document;
    return a.documentElement.scrollTop || a.body.scrollTop;
}
//获取窗体可见范围的宽与高
function getViewSize() {
    var de = document.documentElement;
    var db = document.body;
    var viewW = de.clientWidth == 0 ? db.clientWidth : de.clientWidth;
    var viewH = de.clientHeight == 0 ? db.clientHeight : de.clientHeight;
    return Array(viewW, viewH);
}
//随机数时间戳
function uniqueId() {
    var a = Math.random, b = parseInt;
    return Number(new Date()).toString() + b(10 * a()) + b(10 * a()) + b(10 * a());
}
 
//获取网页被卷去的位置
function getScrollXY() {
    return document.body.scrollTop ? {
        x: document.body.scrollLeft,
        y: document.body.scrollTop
    } : {
        x: document.documentElement.scrollLeft,
        y: document.documentElement.scrollTop
    }
}
 
//匹配国内电话号码(0511-4405222 或 021-87888822) 
function istell(str) {
    var result = str.match(/\d{3}-\d{8}|\d{4}-\d{7}/);
    if (result == null) return false;
    return true;
}
//匹配身份证(15位或18位) 
function isidcard(str) {
    var result = str.match(/\d{15}|\d{18}/);
    if (result == null) return false;
    return true;
}
//移动电话
function checkMobile(str) {
    if (!(/^1[3|5|8][0-9]\d{4,8}$/.test(str))) {
        return false;
    }
    return true;
}
// 判断输入是否是一个由 0-9 / A-Z / a-z 组成的字符串 
function isalphanumber(str) {
    var result = str.match(/^[a-zA-Z0-9]+$/);
    if (result == null) return false;
    return true;
}
// 判断输入是否是有效的电子邮件 
function isemail(str) {
    var result = str.match(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/);
    if (result == null) return false;
    return true;
}
 
//金额大写转换函数 transform('123431233132.23')
function transform(tranvalue) {
    try {
        var i = 1;
        var dw2 = new Array("", "", "亿"); //大单位
        var dw1 = new Array("", "", ""); //小单位
        var dw = new Array("", "", "", "", "", "", "", "", "", ""); //整数部分用
        //以下是小写转换成大写显示在合计大写的文本框中     
        //分离整数与小数
        var source = splits(tranvalue);
        var num = source[0];
        var dig = source[1];
        //转换整数部分
        var k1 = 0; //计小单位
        var k2 = 0; //计大单位
        var sum = 0;
        var str = "";
        var len = source[0].length; //整数的长度
        for (i = 1; i <= len; i++) {
            var n = source[0].charAt(len - i); //取得某个位数上的数字
            var bn = 0;
            if (len - i - 1 >= 0) {
                bn = source[0].charAt(len - i - 1); //取得某个位数前一位上的数字
            }
            sum = sum + Number(n);
            if (sum != 0) {
                str = dw[Number(n)].concat(str); //取得该数字对应的大写数字,并插入到str字符串的前面
                if (n == '0') sum = 0;
            }
            if (len - i - 1 >= 0) { //在数字范围内
                if (k1 != 3) { //加小单位
                    if (bn != 0) {
                        str = dw1[k1].concat(str);
                    }
                    k1++;
                } else { //不加小单位,加大单位
                    k1 = 0;
                    var temp = str.charAt(0);
                    if (temp == "" || temp == "亿") //若大单位前没有数字则舍去大单位
                        str = str.substr(1, str.length - 1);
                    str = dw2[k2].concat(str);
                    sum = 0;
                }
            }
            if (k1 == 3) { //小单位到千则大单位进一
                k2++;
            }
        }
        //转换小数部分
        var strdig = "";
        if (dig != "") {
            var n = dig.charAt(0);
            if (n != 0) {
                strdig += dw[Number(n)] + ""; //加数字
            }
            var n = dig.charAt(1);
            if (n != 0) {
                strdig += dw[Number(n)] + ""; //加数字
            }
        }
        str += "" + strdig;
    } catch (e) {
        return "0元";
    }
    return str;
}
//拆分整数与小数
function splits(tranvalue) {
    var value = new Array('', '');
    temp = tranvalue.split(".");
    for (var i = 0; i < temp.length; i++) {
        value = temp;
    }
    return value;
}
 
//格式化数字
function number_format(number, decimals, dec_point, thousands_sep) {
    /*
    * 参数说明:
    * number:要格式化的数字
    * decimals:保留几位小数
    * dec_point:小数点符号
    * thousands_sep:千分位符号
    * */
    number = (number + '').replace(/[^0-9+-Ee.]/g, '');
    var n = !isFinite(+number) ? 0 : +number,
        prec = !isFinite(+decimals) ? 0 : Math.abs(decimals),
        sep = (typeof thousands_sep === 'undefined') ? ',' : thousands_sep,
        dec = (typeof dec_point === 'undefined') ? '.' : dec_point,
        s = '',
        toFixedFix = function (n, prec) {
            var k = Math.pow(10, prec);
            return '' + Math.ceil(n * k) / k;
        };
 
    s = (prec ? toFixedFix(n, prec) : '' + Math.round(n)).split('.');
    var re = /(-?\d+)(\d{3})/;
    while (re.test(s[0])) {
        s[0] = s[0].replace(re, "$1" + sep + "$2");
    }
 
    if ((s[1] || '').length < prec) {
        s[1] = s[1] || '';
        s[1] += new Array(prec - s[1].length + 1).join('0');
    }
    return s.join(dec);
}

 

posted @ 2018-07-05 13:20  狼人666  阅读(1677)  评论(0编辑  收藏  举报