{"id":22566,"date":"2024-11-21T09:55:43","date_gmt":"2024-11-21T01:55:43","guid":{"rendered":"https:\/\/fwq.ai\/blog\/22566\/"},"modified":"2024-11-21T09:55:43","modified_gmt":"2024-11-21T01:55:43","slug":"laravel%e6%9f%a5%e8%af%a2%e5%86%99%e5%a4%9a%e4%b8%aa%e6%9d%a1%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/22566\/","title":{"rendered":"laravel\u67e5\u8be2\u5199\u591a\u4e2a\u6761\u4ef6"},"content":{"rendered":"

\u5728laravel\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u9700\u8981\u6839\u636e\u591a\u4e2a\u6761\u4ef6\u8fdb\u884c\u67e5\u8be2\u3002\u8fd9\u4e9b\u6761\u4ef6\u53ef\u80fd\u5305\u62ec\u5b57\u6bb5\u503c\u3001\u65f6\u95f4\u8303\u56f4\u3001\u5173\u7cfb\u7b49\u7b49\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u8ba8\u8bba\u5982\u4f55\u4f7f\u7528laravel eloquent\u8fdb\u884c\u591a\u6761\u4ef6\u67e5\u8be2\u3002<\/p>\n

    \n
  1. \u57fa\u672c\u67e5\u8be2<\/li>\n<\/ol>\n

    \u5728Laravel\u4e2d\u8fdb\u884c\u67e5\u8be2\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u57fa\u672c\u7684\u67e5\u8be2\u65b9\u6cd5\uff0c\u4f8b\u5982where\u3001orWhere\u3001whereIn\u3001whereNotIn\u7b49\u3002\u8fd9\u4e9b\u67e5\u8be2\u65b9\u6cd5\u53ef\u4ee5\u901a\u8fc7\u94fe\u5f0f\u8c03\u7528\u6765\u7ec4\u5408\u591a\u4e2a\u67e5\u8be2\u6761\u4ef6\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u6765\u67e5\u8be2\u6587\u7ae0\u8868\u4e2dID\u4e3a1\u4e14\u72b6\u6001\u4e3a1\u7684\u6587\u7ae0\uff1a<\/p>\n

    $article = DB::table('articles')\n    -&gt;where('id', 1)\n    -&gt;where('status', 1)\n    -&gt;first();<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    \u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528where\u65b9\u6cd5\u6765\u6307\u5b9a\u4e24\u4e2a\u6761\u4ef6\u3002first\u65b9\u6cd5\u7528\u4e8e\u83b7\u53d6\u5355\u6761\u8bb0\u5f55\uff0c\u5982\u679c\u67e5\u8be2\u7ed3\u679c\u4e3a\u7a7a\uff0c\u5219\u8fd4\u56denull\u3002<\/p>\n
      \n
    1. \u9ad8\u7ea7\u67e5\u8be2<\/li>\n<\/ol>\n
      Laravel\u4e2d\u7684Eloquent\u6a21\u578b\u8fd8\u63d0\u4f9b\u4e86\u8bb8\u591a\u9ad8\u7ea7\u67e5\u8be2\u65b9\u6cd5\u6765\u5904\u7406\u66f4\u590d\u6742\u7684\u67e5\u8be2\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u9ad8\u7ea7\u67e5\u8be2\u65b9\u6cd5\uff1a<\/p>\n
      2.1 whereBetween\u65b9\u6cd5<\/p>\n
      whereBetween\u65b9\u6cd5\u5141\u8bb8\u6211\u4eec\u67e5\u8be2\u5728\u6307\u5b9a\u8303\u56f4\u5185\u7684\u8bb0\u5f55\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u6765\u67e5\u8be2\u521b\u5efa\u65f6\u95f4\u57282019\u5e74\u52302020\u5e74\u4e4b\u95f4\u7684\u6587\u7ae0\uff1a<\/p>\n
      $articles = DB::table('articles')\n    -&gt;whereBetween('created_at', ['2019-01-01', '2020-12-31'])\n    -&gt;get();<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      2.2 orWhere\u65b9\u6cd5<\/p>\n
      orWhere\u65b9\u6cd5\u5141\u8bb8\u6211\u4eec\u67e5\u8be2\u591a\u4e2a\u6761\u4ef6\u4e2d\u7684\u4efb\u610f\u4e00\u4e2a\u6761\u4ef6\u6ee1\u8db3\u5373\u53ef\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u6765\u67e5\u8be2\u72b6\u6001\u4e3a1\u62162\u7684\u6587\u7ae0\uff1a<\/p>\n
      $articles = DB::table('articles')\n    -&gt;where('category_id', 1)\n    -&gt;orWhere('status', 1)\n    -&gt;get();<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      2.3 whereHas\u65b9\u6cd5<\/p>\n
      whereHas\u65b9\u6cd5\u5141\u8bb8\u6211\u4eec\u67e5\u8be2\u5173\u8054\u6a21\u578b\u4e2d\u6ee1\u8db3\u7b5b\u9009\u6761\u4ef6\u7684\u8bb0\u5f55\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u6765\u67e5\u8be2\u6240\u6709\u6709\u8bc4\u8bba\u7684\u6587\u7ae0\uff1a<\/p>\n
      $articles = DB::table('articles')\n    -&gt;whereHas('comments')\n    -&gt;get();<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      \u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86whereHas\u65b9\u6cd5\u6765\u67e5\u8be2\u5173\u8054\u6a21\u578bcomments\u4e2d\u662f\u5426\u6709\u8bb0\u5f55\uff0c\u5e76\u8fd4\u56de\u6ee1\u8db3\u6761\u4ef6\u7684\u6587\u7ae0\u8bb0\u5f55\u3002\u5982\u679c\u6211\u4eec\u5e0c\u671b\u8fdb\u4e00\u6b65\u7b5b\u9009\u6ee1\u8db3\u4e00\u5b9a\u6761\u4ef6\u7684\u8bc4\u8bba\uff0c\u6211\u4eec\u53ef\u4ee5\u5728whereHas\u65b9\u6cd5\u4e2d\u4f20\u5165\u989d\u5916\u7684\u7b5b\u9009\u6761\u4ef6\uff0c\u4f8b\u5982\uff1a<\/p>\n
      $articles = DB::table('articles')\n    -&gt;whereHas('comments', function($query) {\n        $query-&gt;where('status', 1);\n    })\n    -&gt;get();<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      \u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5bf9comments\u6a21\u578b\u4f20\u5165\u67e5\u8be2\u6761\u4ef6\uff0c\u4ec5\u67e5\u8be2\u72b6\u6001\u4e3a1\u7684\u8bc4\u8bba\uff0c\u540c\u65f6\u8fd4\u56de\u4e0e\u5176\u5173\u8054\u7684\u6587\u7ae0\u8bb0\u5f55\u3002<\/p>\n
      2.4 whereIn\u548cwhereNotIn\u65b9\u6cd5<\/p>\n
      whereIn\u548cwhereNotIn\u5141\u8bb8\u6211\u4eec\u6309\u7167\u6307\u5b9a\u5b57\u6bb5\u7684\u53d6\u503c\u8303\u56f4\u7b5b\u9009\u7ed3\u679c\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u6765\u67e5\u8be2\u6587\u7ae0\u72b6\u6001\u4e3a1\u30012\u30013\u7684\u8bb0\u5f55\uff1a<\/p>\n
      $articles = DB::table('articles')\n    -&gt;whereIn('status', [1, 2, 3])\n    -&gt;get();<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
        \n
      1. \u6df7\u5408\u4f7f\u7528<\/li>\n<\/ol>\n
        \u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u5f80\u5f80\u9700\u8981\u7efc\u5408\u4f7f\u7528\u4ee5\u4e0a\u67e5\u8be2\u65b9\u6cd5\u6765\u5b8c\u6210\u591a\u6761\u4ef6\u67e5\u8be2\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u6765\u67e5\u8be2\u5206\u7c7bID\u4e3a1\u4e14\u72b6\u6001\u4e3a1\u7684\u6587\u7ae0\uff0c\u5e76\u4e14\u8bc4\u8bba\u6570\u5927\u4e8e5\u6761\uff1a<\/p>\n
        $articles = DB::table('articles')\n    -&gt;where('category_id', 1)\n    -&gt;where('status', 1)\n    -&gt;whereHas('comments', function($query) {\n        $query-&gt;where('status', 1);\n    }, '&gt;', 5)\n    -&gt;get();<\/pre>\n
          \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
        \u5728\u672c\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86whereHas\u65b9\u6cd5\u6765\u67e5\u8be2\u6ee1\u8db3\u4e00\u5b9a\u6761\u4ef6\u7684\u8bc4\u8bba\uff0c\u5e76\u4f7f\u7528>\u7b26\u53f7\u6765\u67e5\u8be2\u8bc4\u8bba\u6570\u662f\u5426\u5927\u4e8e5\u6761\u3002<\/p>\n
        \u7ed3\u8bba<\/p>\n
        \u5728Laravel\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u65b9\u5f0f\u6765\u8fdb\u884c\u591a\u6761\u4ef6\u67e5\u8be2\u3002\u4f7f\u7528Eloquent\u6a21\u578b\u7684\u9ad8\u7ea7\u67e5\u8be2\u65b9\u6cd5\u53ef\u4ee5\u66f4\u65b9\u4fbf\u5730\u5b8c\u6210\u590d\u6742\u7684\u67e5\u8be2\u64cd\u4f5c\u3002\u638c\u63e1\u591a\u6761\u4ef6\u67e5\u8be2\u7684\u6280\u5de7\u53ef\u4ee5\u8ba9\u6211\u4eec\u5728\u5f00\u53d1\u4e2d\u66f4\u9ad8\u6548\u5730\u5b8c\u6210\u4efb\u52a1\u3002<\/p>\n
        \u4ee5\u4e0a\u5c31\u662flaravel\u67e5\u8be2\u5199\u591a\u4e2a\u6761\u4ef6\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":"
        \u5728laravel\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u9700\u8981\u6839\u636e\u591a\u4e2a\u6761\u4ef6\u8fdb\u884c\u67e5\u8be2\u3002\u8fd9\u4e9b\u6761\u4ef6\u53ef\u80fd\u5305\u62ec\u5b57\u6bb5\u503c\u3001\u65f6\u95f4\u8303\u56f4\u3001\u5173\u7cfb\u7b49\u7b49\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u8ba8\u8bba\u5982\u4f55\u4f7f\u7528laravel eloquent\u8fdb\u884c\u591a\u6761\u4ef6\u67e5\u8be2\u3002 \u57fa\u672c\u67e5\u8be2 \u5728Laravel\u4e2d\u8fdb\u884c\u67e5\u8be2\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u57fa\u672c\u7684\u67e5\u8be2\u65b9\u6cd5\uff0c\u4f8b\u5982where\u3001orWhere\u3001whereIn\u3001whereNotIn\u7b49\u3002\u8fd9\u4e9b\u67e5\u8be2\u65b9\u6cd5\u53ef\u4ee5\u901a\u8fc7\u94fe\u5f0f\u8c03\u7528\u6765\u7ec4\u5408\u591a\u4e2a\u67e5\u8be2\u6761\u4ef6\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u6765\u67e5\u8be2\u6587\u7ae0\u8868\u4e2dID\u4e3a1\u4e14\u72b6\u6001\u4e3a1\u7684\u6587\u7ae0\uff1a $article = DB::table(‘articles’) -&gt;where(‘id’, 1) -&gt;where(‘status’, 1) -&gt;first(); \u767b\u5f55\u540e\u590d\u5236 \u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528where\u65b9\u6cd5\u6765\u6307\u5b9a\u4e24\u4e2a\u6761\u4ef6\u3002first\u65b9\u6cd5\u7528\u4e8e\u83b7\u53d6\u5355\u6761\u8bb0\u5f55\uff0c\u5982\u679c\u67e5\u8be2\u7ed3\u679c\u4e3a\u7a7a\uff0c\u5219\u8fd4\u56denull\u3002 \u9ad8\u7ea7\u67e5\u8be2 Laravel\u4e2d\u7684Eloquent\u6a21\u578b\u8fd8\u63d0\u4f9b\u4e86\u8bb8\u591a\u9ad8\u7ea7\u67e5\u8be2\u65b9\u6cd5\u6765\u5904\u7406\u66f4\u590d\u6742\u7684\u67e5\u8be2\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u9ad8\u7ea7\u67e5\u8be2\u65b9\u6cd5\uff1a 2.1 whereBetween\u65b9\u6cd5 whereBetween\u65b9\u6cd5\u5141\u8bb8\u6211\u4eec\u67e5\u8be2\u5728\u6307\u5b9a\u8303\u56f4\u5185\u7684\u8bb0\u5f55\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u6765\u67e5\u8be2\u521b\u5efa\u65f6\u95f4\u57282019\u5e74\u52302020\u5e74\u4e4b\u95f4\u7684\u6587\u7ae0\uff1a $articles = DB::table(‘articles’) -&gt;whereBetween(‘created_at’, [‘2019-01-01’, ‘2020-12-31’]) -&gt;get(); \u767b\u5f55\u540e\u590d\u5236 2.2 orWhere\u65b9\u6cd5 orWhere\u65b9\u6cd5\u5141\u8bb8\u6211\u4eec\u67e5\u8be2\u591a\u4e2a\u6761\u4ef6\u4e2d\u7684\u4efb\u610f\u4e00\u4e2a\u6761\u4ef6\u6ee1\u8db3\u5373\u53ef\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u6765\u67e5\u8be2\u72b6\u6001\u4e3a1\u62162\u7684\u6587\u7ae0\uff1a $articles = DB::table(‘articles’) -&gt;where(‘category_id’, 1) -&gt;orWhere(‘status’, 1) -&gt;get(); \u767b\u5f55\u540e\u590d\u5236 2.3 whereHas\u65b9\u6cd5 whereHas\u65b9\u6cd5\u5141\u8bb8\u6211\u4eec\u67e5\u8be2\u5173\u8054\u6a21\u578b\u4e2d\u6ee1\u8db3\u7b5b\u9009\u6761\u4ef6\u7684\u8bb0\u5f55\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u6765\u67e5\u8be2\u6240\u6709\u6709\u8bc4\u8bba\u7684\u6587\u7ae0\uff1a $articles = DB::table(‘articles’) -&gt;whereHas(‘comments’) -&gt;get(); \u767b\u5f55\u540e\u590d\u5236 \u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86whereHas\u65b9\u6cd5\u6765\u67e5\u8be2\u5173\u8054\u6a21\u578bcomments\u4e2d\u662f\u5426\u6709\u8bb0\u5f55\uff0c\u5e76\u8fd4\u56de\u6ee1\u8db3\u6761\u4ef6\u7684\u6587\u7ae0\u8bb0\u5f55\u3002\u5982\u679c\u6211\u4eec\u5e0c\u671b\u8fdb\u4e00\u6b65\u7b5b\u9009\u6ee1\u8db3\u4e00\u5b9a\u6761\u4ef6\u7684\u8bc4\u8bba\uff0c\u6211\u4eec\u53ef\u4ee5\u5728whereHas\u65b9\u6cd5\u4e2d\u4f20\u5165\u989d\u5916\u7684\u7b5b\u9009\u6761\u4ef6\uff0c\u4f8b\u5982\uff1a $articles = DB::table(‘articles’) -&gt;whereHas(‘comments’, function($query) { […]<\/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-22566","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/22566","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=22566"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/22566\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=22566"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=22566"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=22566"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}