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<input type="checkbox" name="chkall" onclick="check_all(this)">

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function check_all(obj){
   $(':checkbox').prop('checked', $(obj).prop('checked'));
}

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2.ÒÔThinkPHPΪÀý£¬ÎÒÃǼÙÉèÒѾ­»ñÈ¡µ½ÁËÐèÒª¾ÙÐÐÈ«Ñ¡µÄÊý¾Ý£¬²¢½«Æäת´ïµ½ÊÓͼҳÃæÖУ¬´ËʱÎÒÃÇÐèҪʹÓÃforÑ­»·±éÀúÿ¸öÊý¾Ý£¬²¢ÎªÆäÌí¼ÓcheckboxºÍID£¬´úÂëÈçÏ£º

<?php foreach($list as $data):?>
<tr>
    <td><input type="checkbox" name="ckb[]"  value="<?php echo $data['id'];?>" ></td>
    <td><?php echo $data['title'];?></td>
</tr>
<?php endforeach;?>

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public function all(){
   $ids = input('post.ckb/a');
   if(empty($ids)){
       return $this->error('ÇëѡժҪɾ³ýµÄÊý¾Ý£¡');
   }
   $ids = implode(',',$ids);
   $where['id'] = array('in',$ids);
   $result = db('table')->where($where)->delete();
   if($result){
       return $this->success('ɾ³ýÀֳɣ¡');
   }else{
       return $this->error('ɾ³ýʧ°Ü£¡');
   }
}

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public function delete(){
   $ids = input('post.ids/s','');
   if(empty($ids)){
       return $this->error('ÇëѡժҪɾ³ýµÄÊý¾Ý£¡');
   }
   $where['id'] = array('in',$ids);
   $result = db('table')->where($where)->delete();
   if($result){
       return $this->success('ɾ³ýÀֳɣ¡');
   }else{
       return $this->error('ɾ³ýʧ°Ü£¡');
   }
}

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