Yii中CGridView实现批量删除的方法

array(
 'selectablerows' => 2,
 'footer' => '<button type="button" onclick="getcheckbox();" style="width:76px">批量删除</button>',
 'class' => 'ccheckboxcolumn',
 'headerhtmloptions' => array('width'=>'33px'),
 'checkboxhtmloptions' => array('name' => 'selectdel[]'),
),

<script type="text/javascript">
/*<![cdata[*/
var getcheckbox = function (){
 var data=new array();
 $("input:checkbox[name='selectdel[]']").each(function (){
  if($(this).attr("checked")==true){
    data.push($(this).val());
  }
 });
 if(data.length > 0){
  $.post('<?php echo chtml::normalizeurl(array('/admin/words/delall/'));?>',{'selectdel[]':data}, function (data) {
   var ret = $.parsejson(data);
   if (ret != null && ret.success != null && ret.success) {
    $.fn.yiigridview.update('yw1');
   }
  });
 }else{
  alert("请选择要删除的关键字!");
 }
}
/*]]>*/
</script>

public function actiondelall()
{
 if (yii::app()->request->ispostrequest)
 {
  $criteria= new cdbcriteria;
  $criteria->addincondition('id', $_post['selectdel']);
  words::model()->deleteall($criteria);//words换成你的模型
  if(isset(yii::app()->request->isajaxrequest)) {
   echo cjson::encode(array('success' => true));
  } else {
   $this->redirect(isset($_post['returnurl']) ? $_post['returnurl'] : array('index'));
  }
 }
 else
  throw new chttpexception(400,'invalid request. please do not repeat this request again.');
}