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                if——判斷標簽用于判斷語句。格式: | 參數名 | 必填 | 描述 | | -- | -- | -- | | condition | √ | 條件,寫法同PHP代碼 | ## 示例代碼 ### 最簡單的if ~~~ <if condition="$age < 18"> 嘿嘿嘿,你不能看哦! </if> ~~~ 同: ~~~ <?php if($age < 18):?> 嘿嘿嘿,你不能看哦! <?php endif;?> ~~~ ### if…else… ~~~ <if condition="$age < 18"> 嘿嘿嘿,你不能看哦! <else/> 你能看哦,嘿嘿嘿! </if> ~~~ 同: ~~~ <?php if($age < 18):?> 嘿嘿嘿,你不能看哦! <?php else:?> 你能看哦,嘿嘿嘿! <?php endif;?> ~~~ ### 復雜的if…else…/elseif ~~~ <if condition="$id < 2"> <if condition="$id > 3"> 123 <elseif condition="$name==='123'"> a <else/> b </elseif> </if> <else> bbb </else> </if> ~~~ 同: ~~~ <?php if($id < 2):?> <?php if($id > 3):?> 123 <?php elseif($name==='123'):?> a <?php else:?> b <?php endif;?> <?php else:?> bbb <?php endif;?> ~~~
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