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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                >視頻地址:[https://www.bilibili.com/video/av77259782 ](https://www.bilibili.com/video/av77259782) > 指定欄目輸出 輸出欄目ID=2名稱:`{$classtypedata[2]['classname']} ` 判斷是否有下級: ``` {if($classtypedata[2]['haschild'])} 如果有下級,則這里輸出 {/if} ``` > 判斷是第幾級欄目:`{$classtypedata[2]['level']+1} ` 欄目鏈接url:`{$classtypedata[2]['url']} ` > 有子類的時候才有,直系下級欄目id數組:`{$classtypedata[2]['children']['id']} ` ##數組的輸出方式。foreach ``` {foreach $classtypedata[2]['children']['id'] as $s} 輸出直系下級id:{$s} {/foreach} ``` > 有子類的時候才有,直系下級欄目數組:`{$classtypedata[2]['children']['id']} ` 輸出直系下級的欄目: ``` {foreach $classtypedata[2]['children']['list'] as $s} 輸出直系下級的欄目名稱:{$s['classname']} {/foreach} ``` > 所有下級(包含他自己欄目),欄目id數組:`{$classtypedata[2]['children']['ids']} ` 所有下級數組(不包含他自己欄目):`{$classtypedata[2]['children']['lists']} ` ``` {foreach $classtypedata[2]['children']['lists'] as $s} 輸出所有下級的欄目名稱:{$s['classname']} {/foreach} ``` > 問題1:判斷一個欄目是不是另一個欄目的下級 欄目A的id為$a_id,欄目B的id為$b_id #php有個函數,判斷是否為數組成員 in_array() ``` {if(in_array($a_id,$classtypedata[$b_id]['children']['ids']))} 如果A是B的子類,那么輸出這里 {/if} ```
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                              哎呀哎呀视频在线观看