dedecms怎么写增删改查

<?php       require_once (dirname(__FILE__) . "/include/common.inc.php");  //引用数据库连接文件       if($dsql->IsTable('dede_test')){           //如果存在dede_test表           //-------------------           //|    查询一条记录 |           //|    GetOne()     |           //-------------------           //        ↓           $row = $dsql-&gt;GetOne("SELECT * FROM dede_test WHERE id = 3");           print_r($row);          $sql = "SELECT * FROM dede_test";             $dsql-&gt;Execute('me',$sql);             while($arr = $dsql-&gt;GetArray('me'))             {                 echo "id = {$arr['id']} ,name = {$arr['name']}<br>";             }       } ?&gt;

<?php             $id = 1 ;             if($id>0){                 $sql = "DELETE FROM dede_test WHERE id='$id'";                 $dsql-&gt;ExecuteNoneQuery($sql);                 ShowMsg("成功删除一条记录内容！","true.php");  //执行成功后跳转到true.php页面                 exit();               }else{                  ShowMsg("参数不对！","text.php");  //跳转到text.php页面                 exit();               } ?&gt;

<?php        $sql="INSERT INTO dede_test(name,one,two) VALUES ( &#39;$name&#39;,&#39;$one&#39;,&#39;$two&#39;)";             $dsql->ExecuteNoneQuery($sql);             $lastInsertID = $dsql-&gt;GetLastID();             ShowMsg("成功增加一条记录内容！","test.php"); ?&gt;

<?php             $sql="UPDATE dede_test SET name=&#39;$name&#39;,one=&#39;$one&#39;,two=&#39;$two&#39;  WHERE ID = &#39;$id&#39;";             $dsql->ExecuteNoneQuery($sql);             $lastInsertID = $dsql-&gt;GetLastID();             ShowMsg("成功修改一条记录内容！","true.php");  //操作成功跳转到true.php             exit();  ?&gt;