142 lines
5.2 KiB
JavaScript
142 lines
5.2 KiB
JavaScript
/*-----------------------------------------------------------------------------
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*作者:Muzi*lei , email:530624206@qq.com
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*http://www.muzilei.com/
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*version:1.0 , 时间：2011-09-14
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-----------------------------------------------------------------------------*/
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var myLib={
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//创建子命名空间,用的是yui的方法------
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NS:function(ns) {
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if (!ns || !ns.length) {
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return null;
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}
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var levels = ns.split(".");
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var nsobj = myLib;
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for (var i=(levels[0] == "myLib") ? 1 : 0; i<levels.length; ++i) {
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nsobj[levels[i]] = nsobj[levels[i]] || {};
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nsobj = nsobj[levels[i]];
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}
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return nsobj;
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},
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//获取对象类型名,["Array", "Boolean", "Date", "Number", "Object", "RegExp", "String", "Window", "HTMLDocument"]
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_getType:function(object){
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return Object.prototype.toString.call(object).match(/^\[object\s(.*)\]$/)[1];
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},
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//用来判断对象类型
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_is:function(object,typeStr){
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return this._getType(object)==typeStr;
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},
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textLength:function(text){
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var intLength=0;
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for (var i=0;i<text.length;i++){
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if ((text.charCodeAt(i) < 0) || (text.charCodeAt(i) > 255)){
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intLength=intLength+2;
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}else{
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intLength=intLength+1;
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}
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}
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return intLength
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},
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//加载进度条
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progressBar:function(){
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$("<div id='myCover'></div><div id='loadimg'><span>正在加载,请稍等O(∩_∩)O哈！</span></div>").appendTo('body');
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var w=$(window).width(),h=$(window).height();
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$('#myCover').css({'width':'100%','height':h,'position':'absolute','background':'#fff','z-index':9999,'left':0,'top':0}).fadeTo('slow',0.8);
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$('#loadimg').css({'position':'absolute','background':'url(themes/default/images/loading.gif) no-repeat center center','z-index':10000,'width':'110px','height':'64px','left':(w-110)/2,'top':((h-64)/2)-50}).find('span').css({'position':'absolute','left':0,'bottom':'-40px','width':110,'display':'block','height':40,'text-align':'center'});
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},
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//停止进度条
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stopProgress:function(){
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$('#myCover').remove();
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$('#loadimg').remove();
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},
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getImgWh:function(url, callback) {
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var width, height, intervalId, check, div, img = new Image(),
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body = document.body;
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img.src = url;
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//从缓存中读取
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if (img.complete) {
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return callback(img.width, img.height);
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};
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//通过占位提前获取图片头部数据
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if (body) {
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div = document.createElement('div');
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div.style.cssText = 'visibility:hidden;position:absolute;left:0;top:0;width:1px;height:1px;overflow:hidden';
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div.appendChild(img)
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body.appendChild(div);
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width = img.offsetWidth;
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height = img.offsetHeight;
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check = function() {
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if (img.offsetWidth !== width || img.offsetHeight !== height) {
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clearInterval(intervalId);
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callback(img.offsetWidth, img.clientHeight);
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img.onload = null;
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div.innerHTML = '';
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div.parentNode.removeChild(div);
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};
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};
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intervalId = setInterval(check, 150);
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};
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// 加载完毕后方式获取
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img.onload = function() {
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callback(img.width, img.height);
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img.onload = img.onerror = null;
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clearInterval(intervalId);
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body && img.parentNode.removeChild(img);
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};
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},
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//全屏
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fullscreen:function(){
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var docElm = document.documentElement;
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if (docElm.requestFullscreen) {
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docElm.requestFullscreen();
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}
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else if (docElm.mozRequestFullScreen) {
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docElm.mozRequestFullScreen();
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}
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else if (docElm.webkitRequestFullScreen) {
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docElm.webkitRequestFullScreen();
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}
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},
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//退出全屏
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exitFullscreen:function(){
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if (document.exitFullscreen) {
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document.exitFullscreen();
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}
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else if (document.mozCancelFullScreen) {
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document.mozCancelFullScreen();
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}
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else if (document.webkitCancelFullScreen) {
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document.webkitCancelFullScreen();
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}
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},
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//IE全屏
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fullscreenIE:function(){
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if($.browser.msie){
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var wsh = new ActiveXObject("WScript.Shell");
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wsh.sendKeys("{F11}");
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}
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}
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}
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/*------------------------------------------
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*jquery扩展，加载技术文件和css文件
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-------------------------------------------*/
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$.extend({
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includePath: '',
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include: function(file)
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{
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var files = typeof file == "string" ? [file] : file;
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for (var i = 0; i < files.length; i++)
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{
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var name = files[i].replace(/^\s|\s$/g, "");
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var att = name.split('.');
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var ext = att[att.length - 1].toLowerCase();
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var isCSS = ext == "css";
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var tag = isCSS ? "link" : "script";
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var attr = isCSS ? " type='text/css' rel='stylesheet' " : " language='javascript' type='text/javascript' ";
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var link = (isCSS ? "href" : "src") + "='" + $.includePath + name + "'";
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if ($(tag + "[" + link + "]").length == 0) document.write("<" + tag + attr + link + "></" + tag + ">");
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}
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}
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}); |