dedecms使用ajax调用指定栏目文章列表

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打开或复制一份plus目录下的list.php文件，在require_once(dirname( FILE).”/../include/common.inc.php”);
这段代码后加入以下代码： 

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if(isset($_GET['ajax'])){  
  $typeid = isset($_GET['typeid']) ? intval($_GET['typeid']): 0;//传递过来的分类ID  
  $page = isset($_GET['page']) ? intval($_GET['page']): 0;//页码  
  $pagesize = isset($_GET['pagesize']) ? intval($_GET['pagesize']): 15;//每页多少条，也就是一次加载多少条数据  
  $start = $page>0 ? ($page-1)*$pagesize : 0;//数据获取的起始位置。即limit条件的第一个参数。  
  $typesql = $typeid ? " WHERE typeid='$typeid" : '';//这个是用于首页实现瀑布流加载，因为首页加载数据是无需分类的，所以要加以判断，如果无需  
   $total_sql = "SELECT COUNT(id) as num FROM '#@__archives'  $typesql ";  
  $temp = $dsql->GetOne($total_sql);  
  $total = 0;//数据总数  
  $load_num =0;  
  if(is_array($temp)){  
    $load_num= round(($temp['num']-15)/$pagesize);//要加载的次数,因为默认已经加载了  
    $total = $temp['num'];  
  }  
  $sql = "SELECT a.*,t.typedir,t.typename,t.isdefault,t.defaultname,t.namerule, t.namerule2,t.ispart, t.moresite,t.siteurl,t.sitepath FROM '#@__archives' as a JOIN '#@__arctype' AS t ON a.typeid=t.id $typesql ORDER BY id DESC LIMIT $start,$pagesize";  
   $dsql->SetQuery($sql);  
    $dsql->Execute('list');  
   $statu = 0;//是否有数据，默认没有数据  
   $data = array();  
}  

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$index = 0;  
while($row = $dsql->GetArray("list")){  
    $row['info'] = $row['info'] = $row['infos'] = cn_substr($row['description'],160);  
     $row['id'] =  $row['id'];  
     $row['filename'] = $row['arcurl'] = GetFileUrl($row['id'],$row['typeid'],$row['senddate'],$row['title'],$row['ismake'],  
  $row['arcrank'],$row['namerule'],$row['typedir'],$row['money'],$row['filename'],$row['moresite'],$row['siteurl'],$row['sitepath']);  
   $row['typeurl'] = GetTypeUrl($row['typeid'],$row['typedir'],$row['isdefault'],$row['defaultname'],$row['ispart'],  
   $row['namerule2'],$row['moresite'],$row['siteurl'],$row['sitepath']);  
  if($row['litpic'] == '-' '' $row['litpic'] == ''){  
      $row['litpic'] = $GLOBALS['cfg_cmspath'].'/images/defaultpic.gif';  
   }  
    if(!preg_match("#^http:\/\/#i", $row['litpic']) &&$GLOBALS['cfg_multi_site'] == 'Y'){  
    $row['litpic'] = $GLOBALS['cfg_mainsite'].$row['litpic'];  
   }  
  $row['picname'] = $row['litpic'];//缩略图  
   $row['stime'] = GetDateMK($row['pubdate']);  
  $row['typelink'] = "]."'>".$row['typename']."";//分类链  
  $row['fulltitle'] = $row['title'];//完整的标题  
  $row['title'] = cn_substr($row['title'], 60);//截取后的标题  
   $data[$index] = $row;  
   $index++;  
}  
if(!empty($data)){  
$statu = 1;//有数据  
}  
$result =array('statu'=>$statu,'list'=>$data,'total'=>$total,'load_num'=>$load_num);  
echo json_encode($result);//返回数据  
exit();

以上代码摘自： 百度经验

js代码输出获取到的内容： 

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$('.btn').on("click",function(){  
$("#content-box").hide();  
$("#content-box").html("数据加载中...");  
$("#content-box").show();  
var htmlobj=  $.ajax({  
url:"/plus/list.php?tid="+$(this).attr("data-typeid"),  
async:false  
});  
$("#content-box").html(htmlobj.responseText);  
});