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

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ÆäÖУ¬check_all()º¯ÊýµÄ×÷ÓÃÊÇÈ«Ñ¡»ò×÷·ÏÈ«Ñ ¡£º

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

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ÔÚÕâÀÓõ½ÁËjQueryµÄÑ¡ÔñÆ÷Ñ¡ÔñËùÓеÄcheckbox²¢Ê¹ÓÃprop()ÒªÁìÉèÖÃÆächeckedÊôÐÔ ¡£

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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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3.´ËʱÎÒÃÇÖ»ÐèÒªÔÚÌá½»±íµ¥µÄʱ¼ä»ñÈ¡µ½ËùÓÐÑ¡ÖеÄcheckbox²¢½«Æä¶ÔÓ¦µÄÖµ×éºÏ³ÉÒ»¸öеÄÊý×飬¾Í¿ÉÒÔʵÏÖÈ«Ñ¡µÄ¹¦Ð§ÁË ¡£ÏêϸʵÏÖ´úÂëÈçÏ£º

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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3.ʹÓÃwhere()º¯Êý½«É¾³ýÌõ¼þÉèÖÃΪid in (ids)£¨ÆäÖУ¬idsΪËùÓÐҪɾ³ýÊý¾ÝµÄID£©£¬È»ºóʹÓÃdelete()º¯Êýɾ³ýÖª×ãÌõ¼þµÄÊý¾Ý¼´¿É ¡£

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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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