{"id":22877,"date":"2024-11-21T12:35:22","date_gmt":"2024-11-21T04:35:22","guid":{"rendered":"https:\/\/fwq.ai\/blog\/22877\/"},"modified":"2024-11-21T12:35:22","modified_gmt":"2024-11-21T04:35:22","slug":"laravel-%e6%9f%a5%e8%af%a2%e4%bd%9c%e7%94%a8%e5%9f%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/22877\/","title":{"rendered":"laravel 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\u4e2d\u7684\u67e5\u8be2\u4f5c\u7528\u57df\u7684\u5b9a\u4e49\u3001\u4f7f\u7528\u4ee5\u53ca\u4e00\u4e9b\u5e94\u8be5\u6ce8\u610f\u7684\u4e8b\u9879\u3002<\/p>\n<ol>\n<li>\u67e5\u8be2\u4f5c\u7528\u57df\u7684\u5b9a\u4e49<\/li>\n<\/ol>\n<p>\u67e5\u8be2\u4f5c\u7528\u57df\u662f\u4e00\u4e2a\u533f\u540d\u51fd\u6570\uff0c\u5b83\u63a5\u6536\u4e00\u4e2a $query \u53c2\u6570\uff0c\u8be5\u53c2\u6570\u662f\u4e00\u4e2a Eloquent \u67e5\u8be2\u6784\u5efa\u5668\u5b9e\u4f8b\u3002\u5728\u8fd9\u4e2a\u533f\u540d\u51fd\u6570\u4e2d\uff0c\u4f60\u53ef\u4ee5\u5bf9\u8be5\u5b9e\u4f8b\u8fdb\u884c\u4e00\u4e9b\u67e5\u8be2\u64cd\u4f5c\uff0c\u4f8b\u5982\u6dfb\u52a0 where \u5b50\u53e5\u3001order by \u5b50\u53e5\u7b49\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u57fa\u672c\u7684\u67e5\u8be2\u4f5c\u7528\u57df\u5b9a\u4e49\u793a\u4f8b\uff1a<\/p>\n<pre>public function scopePublished($query)\n{\n    return $query-&amp;gt;where('status', '=', 'published');\n}<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3a published \u7684\u67e5\u8be2\u4f5c\u7528\u57df\uff0c\u5b83\u4f1a\u5728\u67e5\u8be2\u65f6\u81ea\u52a8\u6dfb\u52a0\u4e00\u4e2a where \u5b50\u53e5\u6765\u8fc7\u6ee4\u5df2\u53d1\u5e03\u7684\u6a21\u578b\u3002<\/p>\n<ol>\n<li>\u4f7f\u7528\u67e5\u8be2\u4f5c\u7528\u57df<\/li>\n<\/ol>\n<p>\u4f7f\u7528\u67e5\u8be2\u4f5c\u7528\u57df\u975e\u5e38\u7b80\u5355\uff0c\u53ea\u9700\u8981\u8c03\u7528\u6a21\u578b\u7684\u76f8\u5e94\u65b9\u6cd5\u5373\u53ef\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6211\u4eec\u4f7f\u7528\u4e0a\u9762\u793a\u4f8b\u4e2d\u7684 published \u67e5\u8be2\u4f5c\u7528\u57df\uff0c\u53ea\u9700\u8981\u8c03\u7528\u5982\u4e0b\u4ee3\u7801\uff1a<\/p>\n<pre>$posts = Post::published()-&amp;gt;get();<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4e0a\u8ff0\u4ee3\u7801\u5c06\u8fd4\u56de\u4e00\u4e2a\u5df2\u53d1\u5e03\u7684\u6240\u6709 Post \u5b9e\u4f8b\u96c6\u5408\u3002<\/p>\n<p>\u5982\u679c\u4f60\u9700\u8981\u4f20\u9012\u53c2\u6570\u5230\u67e5\u8be2\u4f5c\u7528\u57df\u4e2d\uff0c\u5219\u53ea\u9700\u5728\u8be5\u65b9\u6cd5\u4e2d\u6dfb\u52a0\u53c2\u6570\u5373\u53ef\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>public function scopeCategory($query, $categoryId)\n{\n    return $query-&amp;gt;where('category_id', '=', $categoryId);\n}<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u8be5\u67e5\u8be2\u4f5c\u7528\u57df\u53ef\u7528\u4e8e\u8fc7\u6ee4\u67d0\u4e2a\u7279\u5b9a\u7c7b\u522b\u7684\u535a\u5ba2\u6587\u7ae0\u3002<\/p>\n<pre>$posts = Post::category(1)-&amp;gt;get();<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4e0a\u8ff0\u4ee3\u7801\u5c06\u8fd4\u56de\u7c7b\u522b ID \u4e3a 1 \u7684\u6240\u6709\u535a\u5ba2\u6587\u7ae0\u3002<\/p>\n<p>\u6ce8\u610f\uff1a\u67e5\u8be2\u4f5c\u7528\u57df\u53ef\u4ee5\u94fe\u5f0f\u8c03\u7528\uff0c\u6240\u4ee5\u4f60\u53ef\u4ee5\u540c\u65f6\u4f7f\u7528\u591a\u4e2a\u67e5\u8be2\u4f5c\u7528\u57df\u4ee5\u83b7\u53d6\u66f4\u7cbe\u786e\u7684\u7ed3\u679c\u3002<\/p>\n<ol>\n<li>\u67e5\u8be2\u4f5c\u7528\u57df\u7684\u5168\u5c40\u5b9a\u4e49<\/li>\n<\/ol>\n<p>\u5982\u679c\u4f60\u60f3\u5728\u6574\u4e2a\u6a21\u578b\u4e2d\u4f7f\u7528\u76f8\u540c\u7684\u67e5\u8be2\u4f5c\u7528\u57df\uff0c\u5219\u53ef\u4ee5\u5b9a\u4e49\u5168\u5c40\u67e5\u8be2\u4f5c\u7528\u57df\u3002\u4e3a\u6b64\uff0c\u53ea\u9700\u5728\u6a21\u578b\u4e2d\u8c03\u7528 boot \u65b9\u6cd5\uff0c\u5e76\u4f7f\u7528 static::addGlobalScope \u65b9\u6cd5\u5b9a\u4e49\u4e00\u4e2a\u5168\u5c40\u67e5\u8be2\u4f5c\u7528\u57df\u5373\u53ef\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u57fa\u672c\u7684\u5168\u5c40\u67e5\u8be2\u4f5c\u7528\u57df\u793a\u4f8b\uff1a<\/p>\n<pre>protected static function boot()\n{\n    parent::boot();\n\n    static::addGlobalScope('active', function (Builder $builder) {\n        $builder-&amp;gt;where('active', '=', 1);\n    });\n}<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3a active \u7684\u5168\u5c40\u67e5\u8be2\u4f5c\u7528\u57df\uff0c\u5e76\u5c06\u5176\u9650\u5236\u4e3a active \u5b57\u6bb5\u7b49\u4e8e 1 \u7684\u8bb0\u5f55\u3002<\/p>\n<p>\u73b0\u5728\uff0c\u5f53\u4f60\u5728\u4efb\u4f55\u65b9\u6cd5\u4e2d\u67e5\u8be2\u8be5\u6a21\u578b\u65f6\uff0c\u8be5\u67e5\u8be2\u4f5c\u7528\u57df\u90fd\u4f1a\u81ea\u52a8\u751f\u6548\u3002<\/p>\n<ol>\n<li>\u79fb\u9664\u67e5\u8be2\u4f5c\u7528\u57df<\/li>\n<\/ol>\n<p>\u6709\u65f6\u5019\u6211\u4eec\u53ef\u80fd\u9700\u8981\u79fb\u9664\u7279\u5b9a\u6a21\u578b\u7684\u67e5\u8be2\u4f5c\u7528\u57df\u3002Laravel \u63d0\u4f9b\u4e86 removeGlobalScope \u65b9\u6cd5\u6765\u5e2e\u52a9\u6211\u4eec\u5b9e\u73b0\u8fd9\u4e00\u70b9\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u540d\u4e3a active \u7684\u5168\u5c40\u67e5\u8be2\u4f5c\u7528\u57df\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u6765\u79fb\u9664\u5b83\uff1a<\/p>\n<pre>$users = User::withoutGlobalScope('active')-&amp;gt;get();<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4e0a\u8ff0\u4ee3\u7801\u5c06\u8fd4\u56de\u4e0d\u53d7 active \u4f5c\u7528\u57df\u9650\u5236\u7684\u6240\u6709\u7528\u6237\u3002<\/p>\n<p>\u6ce8\u610f\uff1a\u5982\u679c\u60a8\u60f3\u79fb\u9664\u6240\u6709\u5168\u5c40\u67e5\u8be2\u4f5c\u7528\u57df\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528 withoutGlobalScopes \u65b9\u6cd5\u3002<\/p>\n<pre>$users = User::withoutGlobalScopes()-&amp;gt;get();<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4e0a\u8ff0\u4ee3\u7801\u5c06\u8fd4\u56de\u4e0d\u53d7\u4efb\u4f55\u5168\u5c40\u67e5\u8be2\u4f5c\u7528\u57df\u9650\u5236\u7684\u6240\u6709\u7528\u6237\u3002<\/p>\n<p>\u603b\u7ed3<\/p>\n<p>\u67e5\u8be2\u4f5c\u7528\u57df\u662f Laravel \u4e2d\u4e00\u4e2a\u6781\u4e3a\u5f3a\u5927\u7684\u529f\u80fd\u3002\u901a\u8fc7\u4f7f\u7528\u67e5\u8be2\u4f5c\u7528\u57df\uff0c\u4f60\u53ef\u4ee5\u65b9\u4fbf\u5730\u5728\u6574\u4e2a\u5e94\u7528\u4e2d\u91cd\u7528\u5e38\u7528\u7684\u67e5\u8be2\u64cd\u4f5c\uff0c\u5e76\u66f4\u52a0\u6e05\u6670\u5730\u7ec4\u7ec7\u4ee3\u7801\u3002\u5b66\u4e60\u597d\u67e5\u8be2\u4f5c\u7528\u57df\u7684\u6b63\u786e\u4f7f\u7528\u65b9\u6cd5\u4e0d\u4ec5\u53ef\u4ee5\u63d0\u9ad8\u4f60\u7684\u751f\u4ea7\u529b\uff0c\u4e5f\u53ef\u4ee5\u5e2e\u52a9\u4f60\u6784\u5efa\u66f4\u52a0\u5065\u58ee\u7684\u5e94\u7528\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662flaravel \u67e5\u8be2\u4f5c\u7528\u57df\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>laravel\u4e2d\u7684\u67e5\u8be2\u4f5c\u7528\u57df\u662f\u4e00\u79cd\u975e\u5e38\u91cd\u8981\u7684\u529f\u80fd\uff0c\u5b83\u53ef\u4ee5\u8ba9\u4f60\u5728\u6a21\u578b\u4e2d\u5b9a\u4e49\u4e00\u4e9b\u5e38\u7528\u7684\u67e5\u8be2\u65b9\u6cd5\uff0c\u4ee5\u4fbf\u5728\u6574\u4e2a\u5e94\u7528\u4e2d\u8fdb\u884c\u590d\u7528\u3002\u8fd9\u4e9b\u67e5\u8be2\u4f5c\u7528\u57df\u53ef\u4ee5\u662f\u5168\u5c40\u7684\uff08\u9002\u7528\u4e8e\u6574\u4e2a\u6a21\u578b\uff09\uff0c\u4e5f\u53ef\u4ee5\u662f\u5c40\u90e8\u7684\uff08\u53ea\u9002\u7528\u4e8e\u8be5\u6a21\u578b\u7684\u67d0\u4e2a\u65b9\u6cd5\u4e2d\uff09\u3002 \u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u4ecb\u7ecd Laravel \u4e2d\u7684\u67e5\u8be2\u4f5c\u7528\u57df\u7684\u5b9a\u4e49\u3001\u4f7f\u7528\u4ee5\u53ca\u4e00\u4e9b\u5e94\u8be5\u6ce8\u610f\u7684\u4e8b\u9879\u3002 \u67e5\u8be2\u4f5c\u7528\u57df\u7684\u5b9a\u4e49 \u67e5\u8be2\u4f5c\u7528\u57df\u662f\u4e00\u4e2a\u533f\u540d\u51fd\u6570\uff0c\u5b83\u63a5\u6536\u4e00\u4e2a $query \u53c2\u6570\uff0c\u8be5\u53c2\u6570\u662f\u4e00\u4e2a Eloquent \u67e5\u8be2\u6784\u5efa\u5668\u5b9e\u4f8b\u3002\u5728\u8fd9\u4e2a\u533f\u540d\u51fd\u6570\u4e2d\uff0c\u4f60\u53ef\u4ee5\u5bf9\u8be5\u5b9e\u4f8b\u8fdb\u884c\u4e00\u4e9b\u67e5\u8be2\u64cd\u4f5c\uff0c\u4f8b\u5982\u6dfb\u52a0 where \u5b50\u53e5\u3001order by \u5b50\u53e5\u7b49\u3002 \u4ee5\u4e0b\u662f\u4e00\u4e2a\u57fa\u672c\u7684\u67e5\u8be2\u4f5c\u7528\u57df\u5b9a\u4e49\u793a\u4f8b\uff1a public function scopePublished($query) { return $query-&amp;gt;where(&#8216;status&#8217;, &#8216;=&#8217;, &#8216;published&#8217;); } \u767b\u5f55\u540e\u590d\u5236 \u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3a published \u7684\u67e5\u8be2\u4f5c\u7528\u57df\uff0c\u5b83\u4f1a\u5728\u67e5\u8be2\u65f6\u81ea\u52a8\u6dfb\u52a0\u4e00\u4e2a where \u5b50\u53e5\u6765\u8fc7\u6ee4\u5df2\u53d1\u5e03\u7684\u6a21\u578b\u3002 \u4f7f\u7528\u67e5\u8be2\u4f5c\u7528\u57df \u4f7f\u7528\u67e5\u8be2\u4f5c\u7528\u57df\u975e\u5e38\u7b80\u5355\uff0c\u53ea\u9700\u8981\u8c03\u7528\u6a21\u578b\u7684\u76f8\u5e94\u65b9\u6cd5\u5373\u53ef\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6211\u4eec\u4f7f\u7528\u4e0a\u9762\u793a\u4f8b\u4e2d\u7684 published \u67e5\u8be2\u4f5c\u7528\u57df\uff0c\u53ea\u9700\u8981\u8c03\u7528\u5982\u4e0b\u4ee3\u7801\uff1a $posts = Post::published()-&amp;gt;get(); \u767b\u5f55\u540e\u590d\u5236 \u4e0a\u8ff0\u4ee3\u7801\u5c06\u8fd4\u56de\u4e00\u4e2a\u5df2\u53d1\u5e03\u7684\u6240\u6709 Post \u5b9e\u4f8b\u96c6\u5408\u3002 \u5982\u679c\u4f60\u9700\u8981\u4f20\u9012\u53c2\u6570\u5230\u67e5\u8be2\u4f5c\u7528\u57df\u4e2d\uff0c\u5219\u53ea\u9700\u5728\u8be5\u65b9\u6cd5\u4e2d\u6dfb\u52a0\u53c2\u6570\u5373\u53ef\u3002\u4f8b\u5982\uff1a public function scopeCategory($query, $categoryId) { return $query-&amp;gt;where(&#8216;category_id&#8217;, &#8216;=&#8217;, $categoryId); } \u767b\u5f55\u540e\u590d\u5236 \u8be5\u67e5\u8be2\u4f5c\u7528\u57df\u53ef\u7528\u4e8e\u8fc7\u6ee4\u67d0\u4e2a\u7279\u5b9a\u7c7b\u522b\u7684\u535a\u5ba2\u6587\u7ae0\u3002 $posts [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-22877","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/22877","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=22877"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/22877\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=22877"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=22877"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=22877"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}