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                我們可以給變量輸出提供默認值,例如: {$user.nickname|default="這家伙很懶,什么也沒留下"} {$user.nickname|default="這家伙很懶,什么也沒留下"} 對系統變量依然可以支持默認值輸出,例如: {$Think.get.name|default="名稱為空"} {$Think.get.name|default="名稱為空"} 默認值和函數可以同時使用,例如: {$Think.get.name|getName|default="名稱為空"} {$Think.get.name|getName|default="名稱為空"} <div class="view-foot"> <div class="article-jump"> <span style="display: block;" class="jump-up">上一篇:<a href="/manual/thinkphp /1796" data-articleid="1796">使用函數</a></span> <span class="jump-down">下一篇:<a href="/manual/thinkphp/1798" data-articlei d="1798">使用運算符</a></span> </div> <a class="view-backtop"><i class="icon-arrow-up2"></i></a> </div> </div> <div class="view-foot"> <div class="article-jump"> <span style="display: block;" class="jump-up">上一篇:<a href="/manual/thinkphp /1796" data-articleid="1796">使用函數</a></span> <span class="jump-down">下一篇:<a href="/manual/thinkphp/1798" data-articlei d="1798">使用運算符</a></span> </div> <a class="view-backtop"><i class="icon-arrow-up2"></i></a> </div> </div>
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