{"id":34313,"date":"2024-11-25T17:18:30","date_gmt":"2024-11-25T09:18:30","guid":{"rendered":"https:\/\/fwq.ai\/blog\/34313\/"},"modified":"2024-11-25T17:18:30","modified_gmt":"2024-11-25T09:18:30","slug":"%e5%be%ae%e4%bf%a1%e5%b0%8f%e7%a8%8b%e5%ba%8f%e6%8c%87%e4%bb%a4%e6%9c%89%e5%93%aa%e4%ba%9b","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/34313\/","title":{"rendered":"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u6307\u4ee4\u6709\u54ea\u4e9b"},"content":{"rendered":"<blockquote><p>\n  \u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u6307\u4ee4\u6709\uff1a1\u3001\u201cwx:for\u201d\u6307\u4ee4\uff0c\u4f7f\u7528\u65b9\u6cd5\u5982\u201c{{ index }} {{ item }}\u201d\uff1b2\u3001\u201cwx:for-item\u201d\u6307\u4ee4\uff0c\u8be5\u6307\u4ee4\u53ef\u4ee5\u6307\u5b9a\u6570\u7ec4\u5f53\u524d\u5143\u7d20\u7684\u53d8\u91cf\u540d\uff1b3\u3001\u201cwx:for-index\u201d\u6307\u4ee4\uff0c\u8be5\u6307\u4ee4\u53ef\u4ee5\u6307\u5b9a\u6570\u7ec4\u5f53\u524d\u4e0b\u6807\u7684\u53d8\u91cf\u540d\uff1b4\u3001\u201cwx:if\u201d\u6307\u4ee4\uff1b5\u3001\u6570\u636e\u7ed1\u5b9a\u6307\u4ee4\u7b49\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202301\/06\/2023010616535897342.jpg\" class=\"aligncenter\" title=\"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u6307\u4ee4\u6709\u54ea\u4e9b\u63d2\u56fe\" alt=\"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u6307\u4ee4\u6709\u54ea\u4e9b\u63d2\u56fe\" \/><\/p>\n<p>\u672c\u6559\u7a0b\u64cd\u4f5c\u73af\u5883\uff1aWindows10\u7cfb\u7edf\u3001\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5b98\u65b9\u72488.0.25\u3001Dell G3\u7535\u8111\u3002<\/p>\n<p><strong>\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u6307\u4ee4\u6709\u54ea\u4e9b\uff1f<\/strong><\/p>\n<p>\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\uff1a\u5e38\u7528\u7684\u6307\u4ee4\/\u7ec4\u4ef6<\/p>\n<p><strong>\u4e00. \u6307\u4ee4<\/strong><\/p>\n<p>1.1 wx:for\u6307\u4ee4<\/p>\n<ul>\n<li>\n<p>1.1.1 html<\/p>\n<\/li>\n<\/ul>\n<p>1. \u5185\u7f6e\u4e86\u4e00\u4e2aindex\/item\uff0c\u524d\u8005\u7d22\u5f15\uff0c\u540e\u8005\u5143\u7d20<\/p>\n<pre>&lt;view&gt;{{&nbsp;index&nbsp;}}&nbsp;{{&nbsp;item&nbsp;}}&nbsp;index\u7d22\u5f15&nbsp;item\u5143\u7d20&nbsp;&lt;\/view&gt;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>2. \u4fee\u6539<\/p>\n<p>\u4f7f\u7528 wx:for-item \u53ef\u4ee5\u6307\u5b9a\u6570\u7ec4\u5f53\u524d\u5143\u7d20\u7684\u53d8\u91cf\u540d\uff0c<\/p>\n<p>\u4f7f\u7528 wx:for-index \u53ef\u4ee5\u6307\u5b9a\u6570\u7ec4\u5f53\u524d\u4e0b\u6807\u7684\u53d8\u91cf\u540d\uff1a<\/p>\n<pre>&lt;view&gt;\n&nbsp;&nbsp;{{idx}}:&nbsp;{{itemName.message}}\n&lt;\/view&gt;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<ul>\n<li>\n<p>1.1.2 js<\/p>\n<\/li>\n<\/ul>\n<pre>&nbsp;data:&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;data_list:['\u5927\u997c','\u6d0b\u8471']\n&nbsp;&nbsp;},<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>1.2 wx:if<\/p>\n<p>\u5728\u6846\u67b6\u4e2d\uff0c\u4f7f\u7528 wx:if=&#8221;&#8221; 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