本文实例讲述了php广告加载类的用法，非常实用。分享给大家供大家参考。具体方法如下：
该php广告加载类，支持异步与同步加载。需要使用Jquery实现。
ADLoader.class.php类文件如下：
<"text/javascript" src="/UploadFiles/2021-04-02/'.self::$_jsclass.'"><"htmlcode">/** 异步加载广告 * Date: 2013-08-04 * Author: fdipzone * Ver: 1.0 */ var ADLoader = (function(){ var _ads = [], // 广告集合 _step = 300, // 广告加载间隔 _async = true, // 是否异步加载 _loaded = 0; // 已经加载的广告数 /** loadAd 循环加载广告 * @param int c 第几个广告 */ function loadAD(c){ if(_loaded>=_ads.length){ return ; } if($('#'+_ads[c].domId).length>0){ // 判断dom是否存在 if(_async){ // 异步执行 crapLoader.loadScript(getScript(_ads[c]), _ads[c].domId, { success: function(){ completeAd(); } }); }else{ // 将同步加载的广告显示 var ad_container = $('#'+_ads[c].domId+'_container'); ad_container.find('embed').attr('wmode','transparent').end().find('object').each(function(k, v){ v.wmode = 'transparent'; // 将flash变透明 }); $('#'+_ads[c].domId)[0].appendChild(ad_container[0]); ad_container.show(); completeAd(); } }else{ // dom不存在 completeAd(); } } /** 加载完广告后处理 */ function completeAd(){ _loaded ++; setTimeout(function(){ loadAD(_loaded); }, _step); } /** 获取广告 * @param Array ad 广告参数 */ function getScript(ad){ var ret = null; switch(ad.type){ case 'openx': // openx code ad ret = 'data:text/javascript;base64,' + ad.zoneId + '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'; break; case 'url': // url ad ret = ad.url; break; } return ret; } /** 同步加载广告 * @param Array ad 广告参数 */ function writeAd(ad){ switch(ad.type){ case 'openx': var m3_u = (location.protocol=='https:'"<scr"+"ipt type='text/javascript' src='"+m3_u); document.write ("" + ad.zoneId); document.write ('&cb=' + m3_r); if (document.MAX_used != ',') document.write ("&exclude=" + document.MAX_used); document.write (document.charset "&loc=" + escape(window.location)); if (document.referrer) document.write ("&referer=" + escape(document.referrer)); if (document.context) document.write ("&context=" + escape(document.context)); if (document.mmm_fo) document.write ("&mmm_fo=1"); document.write ("'><\/scr"+"ipt>"); break; case 'url': document.write ('<script type="text/javascript" src="/UploadFiles/2021-04-02/' + ad.url + '">demo.php示例程序如下：
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=utf-8"> <title> AD Loader </title> <style type="text/css"> .banner1{margin:10px; border:1px solid #CCCCCC; width:728px; height:90px;} .banner2{margin:10px; border:1px solid #CCCCCC; width:300px; height:250px;} </style> <script type="text/javascript" src="/UploadFiles/2021-04-02/jquery-1.10.1.min.js"><"<scr"+"ipt type='text/javascript' src='"+m3_u); document.write ("" + zoneid); document.write ('&cb=' + m3_r); if (document.MAX_used != ',') document.write ("&exclude=" + document.MAX_used); document.write (document.charset "&loc=" + escape(window.location)); if (document.referrer) document.write ("&referer=" + escape(document.referrer)); if (document.context) document.write ("&context=" + escape(document.context)); if (document.mmm_fo) document.write ("&mmm_fo=1"); document.write ("'><\/scr"+"ipt>"); <"_blank" href="http://xiazai.jb51.net/201409/ADLoader(jb51.net).rar">本站下载。希望本文所述对大家的php程序设计有所帮助。
标签：php,广告,加载,类
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