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帝国CMS通用封装的ajax加载信息框架代码，改改可以应用到任何地方。
HTML代码
<!DOCTYPE html><html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"><title>Document</title><script src="/ajax/jquery-1.11.2.min.js" type="text/javascript"></script><script src="/ajax/loadNews.js" type="text/javascript"></script><style type="text/css">li{ height: 40px; line-height: 40px;}</style></head><body> <div id="html"></div> <div><button id="click">点击加载更多</button></div></body></html>js代码
(function ($) { $.load_news = function(initdata, ajax_offset){ window.ajax_offset = ajax_offset; var ajaxutl = '/ajax/result.php'; var init_data = { limit : 0, offset : window.ajax_offset, tbname : '', classid : 0, order : '', dom : '', click_dom : '' } init_data = $.extend({}, init_data, initdata); var result_lang = { data_0 : '<font color="red" size="+1">暂无数据</font>', tbname_not : '没有此<a href="http://www.zztuku.com/tags/sjb/" target="_blank">数据表</a>' } $.post(ajaxutl,init_data,function(data){ var data = data; if(data.status=='data_0'){ // 没有数据了~~~~ $(init_data.dom).append(result_lang[data.status]); // 移除click $(init_data.click_dom).remove(); // 设置按钮 //$(init_data.click_dom).attr('disabled', 'disabled'); return false; } $(init_data.dom).append(data.html); window.ajax_offset =data.offset; },'json'); }})(jQuery);$(function(){ $("#click").click(function(){ $.load_news({ limit : 20, // 每次查询多少条 tbname : 'news', // <a href="http://www.zztuku.com/tags/sjb/" target="_blank">数据表</a>名称 classid : 3, // 栏目ID order : 'desc', // 排序 dom : '#html', // 向哪个DOM节点中插入数据 ID请填写# class填写. 例如<div id="html"> 填写 #html click_dom : '#click' // 触发事件的DOM },window.ajax_offset); })})php代码
<?phpinclude '../e/class/connect.php'; // 数据库配置文件与公共函数文件include '../e/class/db_sql.php'; // 数据库操作文件include '../e/data/dbcache/class1.php'; // 栏目缓存文件$link = db_connect(); // 链接数据库$empire = new mysqlquery(); // 实例化数据库操作类$p = $_POST; // 简写post$_POST = null; // 释放post$filter = 'RepPostVar'; // 过滤非法数据$tbname = $filter($p['tbname']); // 数据表名// 判断表是否存在if(!$tbname || in_array($tbname, $etable_r)){ die(json_encode( array('status'=>'tbname_not')));}// 栏目ID$classid = (int) $p['classid'];// order$order = $filter($p['order']);// 查询偏移量$offset = (int) $p['offset'];if( $order == 'desc' && $offset != 0 ){ $where_offset = ' and id < '.$offset;}else{ $where_offset = '';}if($order == 'asc'){ $where_offset = ' and id > '.$offset;}$where = ' WHERE 1';$where .= $classid?' AND `classid` = '.$classid:'';$where .= $where_offset;$order = 'ORDER BY id '.$order;$limit = (int) $p['limit'];$limit = 'LIMIT '.$limit;$sql = "SELECT {$maxid}id,classid,newspath,filename,groupid,titleurl,title FROM `{$dbtbpre}ecms_{$tbname}` {$where} {$order} {$limit}";$num=$empire->num($sql);if($num<1){ die(json_encode(array('status'=>'data_0', 'sql'=>$sql)));}$query = $empire->query($sql);$last = 0;$html = '';while($r=$empire->fetch($query)){ $last = $r['id']; $url = sys_ReturnBqTitleLink($r); $html.= <<<HTML_LIST <li>id --- $r[id]<a href="{$url}">$r[title]</a></li> HTML_LIST;}die( json_encode( array('status'=>'ok', 'html'=>$html, 'offset'=>$last, 'sql'=>$sql)));?>