{"id":4122,"date":"2019-04-17T12:45:54","date_gmt":"2019-04-17T04:45:54","guid":{"rendered":"http:\/\/www.xttblog.com\/?p=4122"},"modified":"2019-04-17T12:45:54","modified_gmt":"2019-04-17T04:45:54","slug":"%e5%be%ae%e4%bf%a1%e5%b0%8f%e7%a8%8b%e5%ba%8f-wxif-wxelif-wxelse-%e5%a4%9a%e6%9d%a1%e4%bb%b6%e5%88%a4%e6%96%ad","status":"publish","type":"post","link":"https:\/\/www.xttblog.com\/?p=4122","title":{"rendered":"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f wx:if wx:elif wx:else \u591a\u6761\u4ef6\u5224\u65ad"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u6700\u8fd1\u7a7a\u95f2\u4e0b\u6765\u5728\u7814\u7a76\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u3002\u4ee5\u524d\u6211\u4eec\u90fd\u662f\u76f4\u63a5\u8d1f\u8d23\u540e\u7aef\u8fd9\u90e8\u5206\u7684\uff0c\u8fd9\u4e24\u5929\u516c\u53f8\u7684\u4e24\u4e2a\u524d\u7aef\u5148\u540e\u79bb\u804c\uff0c\u524d\u7aef\u76ee\u524d\u8fd8\u6ca1\u6709\u627e\u5230\u5408\u9002\u7684\u4eba\u9009\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u662f\u5728\u4e1a\u52a1\u8fd9\u5757\uff0c\u6709\u4e00\u4e2a\u5c0f\u7684\u9700\u6c42\u9700\u8981\u8c03\u6574\u3002\u9700\u8981\u589e\u52a0\u4e00\u4e2a if else \u7684\u5224\u65ad\u3002\u51e0\u7ecf\u5468\u6298\uff0c\u67e5\u4e86\u5b98\u65b9\u8d44\u6599\uff0c\u73b0\u5728\u7ed9\u6458\u5f55\u4e0b\u6765\u8bb0\u4e2a\u7b14\u8bb0\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;view&gt;\n  &lt;block wx:for=\"{{list}}\" wx:key=\"id\"&gt;\n    &lt;view&gt; 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