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                            ## 判斷用戶在文章或者商品是否評論
### 列表頁循環lists時判斷
```
{foreach $lists as $v}
//判斷是否登錄
{if($islogin)}
//查找用戶是否評論
{php $count = M('comment')->find(['aid'=>$v['id'],'tid'=>$v['tid'],'userid'=>$member['id']])/}
{if($count)}
已評論
{else}
未評論
{/if}
{else}
未登錄，則無法判斷，所以顯示未評論
{/if}
{/foreach}
```
### 詳情頁判斷是否評論
```
{if($islogin)}
//查找用戶是否評論
{php $count = M('comment')->find(['aid'=>$jz['id'],'tid'=>$jz['tid'],'userid'=>$member['id']])/}
{if($count)}
已評論
{else}
未評論
{/if}
{else}
未登錄，未評論
{/if}
```
### loop循環判斷用戶是否評論
```
{loop table="article" isshow="1" limit="5" as="v"}
//判斷是否登錄
{if($islogin)}
//查找用戶是否評論
{php $count = M('comment')->find(['aid'=>$v['id'],'tid'=>$v['tid'],'userid'=>$member['id']])/}
{if($count)}
已評論
{else}
未評論
{/if}
{else}
未登錄，則無法判斷，所以顯示未評論
{/if}
{/loop}
```
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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