Yii Query Builder insert()、update()、delete()使用

<span $connection</span> = Yii::app()-><span db;
</span><span $command</span> = <span $connection</span>-><span createCommand();

</span><span $operate_rst</span> = 0<span ;
</span><span if</span>(!<span empty</span>(<span $_POST</span>['lid'<span ])){
    </span><span $operate_rst</span> = <span $command</span>->update('emg_landing', <span $landing_info</span>, 'lid=:lid', <span array</span>(':lid' => <span $_POST</span>['lid'<span ]));
}
</span><span else</span><span {
    </span><span $operate_rst</span> = <span $command</span>->insert('emg_landing', <span $landing_info</span><span );
}
</span><span $connection</span>->active = <span false</span><span ;
</span><span if</span>(<span $operate_rst</span> > 0<span ){
    Functions</span>::returnOk('OK!'<span );
}<br />Functions::returnErrorJson();<br /></span>

{<span return</span>}    <span integer</span>    <span <strong>number of rows affected by the execution.</strong></span>