{"id":24268,"date":"2024-11-21T13:24:12","date_gmt":"2024-11-21T05:24:12","guid":{"rendered":"https:\/\/fwq.ai\/blog\/24268\/"},"modified":"2024-11-21T13:24:12","modified_gmt":"2024-11-21T05:24:12","slug":"laravel%e6%80%a7%e8%83%bd%e4%bc%98%e5%8c%96%e6%8a%80%e5%b7%a7%ef%bc%9a%e6%8f%90%e5%8d%87%e5%ba%94%e7%94%a8%e7%a8%8b%e5%ba%8f%e7%9a%84%e5%93%8d%e5%ba%94%e9%80%9f%e5%ba%a6","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/24268\/","title":{"rendered":"Laravel\u6027\u80fd\u4f18\u5316\u6280\u5de7\uff1a\u63d0\u5347\u5e94\u7528\u7a0b\u5e8f\u7684\u54cd\u5e94\u901f\u5ea6"},"content":{"rendered":"

\"Laravel\u6027\u80fd\u4f18\u5316\u6280\u5de7\uff1a\u63d0\u5347\u5e94\u7528\u7a0b\u5e8f\u7684\u54cd\u5e94\u901f\u5ea6\u63d2\u56fe\"<\/p>\n

Laravel\u6027\u80fd\u4f18\u5316\u6280\u5de7\uff1a\u63d0\u5347\u5e94\u7528\u7a0b\u5e8f\u7684\u54cd\u5e94\u901f\u5ea6<\/p>\n

\u5728\u5f00\u53d1Web\u5e94\u7528\u7a0b\u5e8f\u65f6\uff0c\u63d0\u5347\u5e94\u7528\u7a0b\u5e8f\u7684\u54cd\u5e94\u901f\u5ea6\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u968f\u7740\u5e94\u7528\u7a0b\u5e8f\u7684\u89c4\u6a21\u548c\u7528\u6237\u6570\u91cf\u7684\u589e\u52a0\uff0c\u54cd\u5e94\u901f\u5ea6\u7684\u4f18\u5316\u53d8\u5f97\u5c24\u4e3a\u91cd\u8981\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9bLaravel\u6846\u67b6\u4e2d\u7684\u6027\u80fd\u4f18\u5316\u6280\u5de7\uff0c\u5e2e\u52a9\u60a8\u63d0\u5347\u5e94\u7528\u7a0b\u5e8f\u7684\u54cd\u5e94\u901f\u5ea6\u3002<\/p>\n

    \n
  1. \u4f7f\u7528\u7f13\u5b58<\/li>\n<\/ol>\n

    \u7f13\u5b58\u662f\u63d0\u5347\u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\u7684\u5e38\u89c1\u65b9\u6cd5\u4e4b\u4e00\u3002Laravel\u6846\u67b6\u63d0\u4f9b\u4e86\u7b80\u5355\u800c\u5f3a\u5927\u7684\u7f13\u5b58\u7cfb\u7edf\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u7f13\u5b58\u6765\u5b58\u50a8\u9891\u7e41\u8bbf\u95ee\u7684\u6570\u636e\uff0c\u907f\u514d\u6bcf\u6b21\u8bf7\u6c42\u90fd\u4ece\u6570\u636e\u5e93\u4e2d\u67e5\u8be2\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528\u7f13\u5b58\u7684\u793a\u4f8b\uff1a<\/p>\n

    \/\/ \u4ece\u7f13\u5b58\u4e2d\u83b7\u53d6\u6570\u636e\n$data = Cache::get('key');\n\n\/\/ \u5982\u679c\u7f13\u5b58\u4e0d\u5b58\u5728\uff0c\u5219\u4ece\u6570\u636e\u5e93\u4e2d\u83b7\u53d6\u6570\u636e\u5e76\u5b58\u5165\u7f13\u5b58\nif (!$data) {\n    $data = DB::table('table')-&gt;get();\n    Cache::put('key', $data, 60); \/\/ \u7f13\u5b5860\u5206\u949f\n}\n\nreturn $data;<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      \n
    1. \u5ef6\u8fdf\u52a0\u8f7d\u5173\u8054\u6a21\u578b<\/li>\n<\/ol>\n
      \u5728Laravel\u4e2d\uff0c\u6a21\u578b\u4e4b\u95f4\u7684\u5173\u8054\u5173\u7cfb\u662f\u7ecf\u5e38\u7528\u5230\u7684\u529f\u80fd\u4e4b\u4e00\u3002\u5f53\u52a0\u8f7d\u4e00\u4e2a\u6a21\u578b\u7684\u5173\u8054\u5173\u7cfb\u65f6\uff0cLaravel\u9ed8\u8ba4\u4f1a\u4f7f\u7528”eager loading”\uff08\u8d2a\u5a6a\u52a0\u8f7d\uff09\u65b9\u5f0f\uff0c\u5373\u4f1a\u4e00\u6b21\u6027\u52a0\u8f7d\u6240\u6709\u76f8\u5173\u6a21\u578b\u7684\u6570\u636e\u3002\u4f46\u662f\uff0c\u5982\u679c\u5173\u8054\u6a21\u578b\u7684\u6570\u636e\u91cf\u8f83\u5927\uff0c\u8fd9\u79cd\u65b9\u5f0f\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6027\u80fd\u4e0b\u964d\u3002<\/p>\n
      \u4e3a\u4e86\u907f\u514d\u8fd9\u4e2a\u95ee\u9898\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528”\u5ef6\u8fdf\u52a0\u8f7d”\uff08lazy loading\uff09\u65b9\u5f0f\uff0c\u5373\u53ea\u5728\u9700\u8981\u65f6\u624d\u52a0\u8f7d\u5173\u8054\u6a21\u578b\u7684\u6570\u636e\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u5ef6\u8fdf\u52a0\u8f7d\u7684\u793a\u4f8b\uff1a<\/p>\n
      \/\/ \u5ef6\u8fdf\u52a0\u8f7d\u5173\u8054\u6a21\u578b\n$posts = Post::all();\nforeach ($posts as $post) {\n    echo $post-&gt;user-&gt;name; \/\/ \u53ea\u5728\u8fd9\u91cc\u624d\u52a0\u8f7d\u5173\u8054\u6a21\u578b\u7684\u6570\u636e\n}<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
        \n
      1. \u4f7f\u7528\u67e5\u8be2\u4f18\u5316\u6280\u5de7<\/li>\n<\/ol>\n
        Laravel\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u67e5\u8be2\u4f18\u5316\u6280\u5de7\uff0c\u53ef\u4ee5\u63d0\u9ad8\u6570\u636e\u5e93\u67e5\u8be2\u7684\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u67e5\u8be2\u4f18\u5316\u6280\u5de7\uff1a<\/p>\n
          \n
        • \u4f7f\u7528\u7d22\u5f15\uff1a\u786e\u4fdd\u6570\u636e\u5e93\u8868\u7684\u5b57\u6bb5\u4e0a\u521b\u5efa\u7d22\u5f15\uff0c\u4ee5\u52a0\u5feb\u67e5\u8be2\u901f\u5ea6\u3002<\/li>\n
        • \u907f\u514dN+1\u67e5\u8be2\u95ee\u9898\uff1a\u5c3d\u91cf\u4f7f\u7528”eager loading”\u6765\u52a0\u8f7d\u6a21\u578b\u7684\u5173\u8054\u5173\u7cfb\uff0c\u4ee5\u907f\u514d\u591a\u6b21\u67e5\u8be2\u6570\u636e\u5e93\u3002<\/li>\n
        • \u4f7f\u7528\u539f\u751f\u67e5\u8be2\uff1a\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u539f\u751f\u67e5\u8be2\uff08Raw Query\uff09\u53ef\u80fd\u6bd4\u4f7f\u7528\u67e5\u8be2\u6784\u5efa\u5668\u66f4\u9ad8\u6548\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528Laravel\u7684DB\u7c7b\u6267\u884c\u539f\u751f\u67e5\u8be2\u3002<\/li>\n<\/ul>\n
          \/\/ \u4f7f\u7528\u539f\u751f\u67e5\u8be2\n$users = DB::select('SELECT * FROM users WHERE active = ?', [1]);<\/pre>\n
            \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
            \n
          1. \u4f7f\u7528\u961f\u5217\u5904\u7406\u8017\u65f6\u7684\u4efb\u52a1<\/li>\n<\/ol>\n
            \u67d0\u4e9b\u4efb\u52a1\uff0c\u5982\u53d1\u9001\u7535\u5b50\u90ae\u4ef6\u3001\u751f\u6210\u62a5\u8868\u7b49\uff0c\u53ef\u80fd\u4f1a\u8017\u8d39\u5927\u91cf\u7684\u65f6\u95f4\u3002\u4e3a\u4e86\u907f\u514d\u963b\u585e\u5e94\u7528\u7a0b\u5e8f\u7684\u54cd\u5e94\u901f\u5ea6\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528Laravel\u7684\u961f\u5217\u7cfb\u7edf\u6765\u5904\u7406\u8fd9\u4e9b\u8017\u65f6\u7684\u4efb\u52a1\u3002\u961f\u5217\u7cfb\u7edf\u5c06\u4efb\u52a1\u653e\u5165\u961f\u5217\u4e2d\uff0c\u5e76\u5f02\u6b65\u5904\u7406\uff0c\u53ef\u4ee5\u6781\u5927\u5730\u63d0\u5347\u5e94\u7528\u7a0b\u5e8f\u7684\u54cd\u5e94\u901f\u5ea6\u3002<\/p>\n
            \u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528Laravel\u961f\u5217\u7684\u793a\u4f8b\uff1a<\/p>\n
            \/\/ \u5b9a\u4e49\u4e00\u4e2a\u9700\u8981\u5904\u7406\u7684\u4efb\u52a1\nclass SendEmail implements ShouldQueue\n{\n    use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;\n\n    protected $user;\n\n    public function __construct(User $user)\n    {\n        $this-&gt;user = $user;\n    }\n\n    public function handle()\n    {\n        \/\/ \u53d1\u9001\u90ae\u4ef6\u4ee3\u7801\n    }\n}\n\n\/\/ \u5c06\u4efb\u52a1\u653e\u5165\u961f\u5217\n$job = new SendEmail($user);\ndispatch($job);<\/pre>\n
              \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
            \u901a\u8fc7\u4f7f\u7528\u961f\u5217\u7cfb\u7edf\uff0c\u8017\u65f6\u7684\u4efb\u52a1\u5c06\u5728\u540e\u53f0\u5f02\u6b65\u5904\u7406\uff0c\u4e0d\u4f1a\u963b\u585e\u5e94\u7528\u7a0b\u5e8f\u7684\u54cd\u5e94\u3002<\/p>\n
            \u603b\u7ed3\uff1a<\/p>\n
            \u672c\u6587\u4ecb\u7ecd\u4e86\u4e00\u4e9bLaravel\u6846\u67b6\u4e2d\u7684\u6027\u80fd\u4f18\u5316\u6280\u5de7\uff0c\u5e2e\u52a9\u60a8\u63d0\u5347\u5e94\u7528\u7a0b\u5e8f\u7684\u54cd\u5e94\u901f\u5ea6\u3002\u901a\u8fc7\u4f7f\u7528\u7f13\u5b58\u3001\u5ef6\u8fdf\u52a0\u8f7d\u3001\u67e5\u8be2\u4f18\u5316\u548c\u961f\u5217\u7cfb\u7edf\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u63d0\u9ad8\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u3002\u5e0c\u671b\u8fd9\u4e9b\u6280\u5de7\u5bf9\u60a8\u5728\u5f00\u53d1\u4e2d\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n
            \u4ee5\u4e0a\u5c31\u662fLaravel\u6027\u80fd\u4f18\u5316\u6280\u5de7\uff1a\u63d0\u5347\u5e94\u7528\u7a0b\u5e8f\u7684\u54cd\u5e94\u901f\u5ea6\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":"
            Laravel\u6027\u80fd\u4f18\u5316\u6280\u5de7\uff1a\u63d0\u5347\u5e94\u7528\u7a0b\u5e8f\u7684\u54cd\u5e94\u901f\u5ea6 \u5728\u5f00\u53d1Web\u5e94\u7528\u7a0b\u5e8f\u65f6\uff0c\u63d0\u5347\u5e94\u7528\u7a0b\u5e8f\u7684\u54cd\u5e94\u901f\u5ea6\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u968f\u7740\u5e94\u7528\u7a0b\u5e8f\u7684\u89c4\u6a21\u548c\u7528\u6237\u6570\u91cf\u7684\u589e\u52a0\uff0c\u54cd\u5e94\u901f\u5ea6\u7684\u4f18\u5316\u53d8\u5f97\u5c24\u4e3a\u91cd\u8981\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9bLaravel\u6846\u67b6\u4e2d\u7684\u6027\u80fd\u4f18\u5316\u6280\u5de7\uff0c\u5e2e\u52a9\u60a8\u63d0\u5347\u5e94\u7528\u7a0b\u5e8f\u7684\u54cd\u5e94\u901f\u5ea6\u3002 \u4f7f\u7528\u7f13\u5b58 \u7f13\u5b58\u662f\u63d0\u5347\u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\u7684\u5e38\u89c1\u65b9\u6cd5\u4e4b\u4e00\u3002Laravel\u6846\u67b6\u63d0\u4f9b\u4e86\u7b80\u5355\u800c\u5f3a\u5927\u7684\u7f13\u5b58\u7cfb\u7edf\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u7f13\u5b58\u6765\u5b58\u50a8\u9891\u7e41\u8bbf\u95ee\u7684\u6570\u636e\uff0c\u907f\u514d\u6bcf\u6b21\u8bf7\u6c42\u90fd\u4ece\u6570\u636e\u5e93\u4e2d\u67e5\u8be2\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528\u7f13\u5b58\u7684\u793a\u4f8b\uff1a \/\/ \u4ece\u7f13\u5b58\u4e2d\u83b7\u53d6\u6570\u636e $data = Cache::get(‘key’); \/\/ \u5982\u679c\u7f13\u5b58\u4e0d\u5b58\u5728\uff0c\u5219\u4ece\u6570\u636e\u5e93\u4e2d\u83b7\u53d6\u6570\u636e\u5e76\u5b58\u5165\u7f13\u5b58 if (!$data) { $data = DB::table(‘table’)-&gt;get(); Cache::put(‘key’, $data, 60); \/\/ \u7f13\u5b5860\u5206\u949f } return $data; \u767b\u5f55\u540e\u590d\u5236 \u5ef6\u8fdf\u52a0\u8f7d\u5173\u8054\u6a21\u578b \u5728Laravel\u4e2d\uff0c\u6a21\u578b\u4e4b\u95f4\u7684\u5173\u8054\u5173\u7cfb\u662f\u7ecf\u5e38\u7528\u5230\u7684\u529f\u80fd\u4e4b\u4e00\u3002\u5f53\u52a0\u8f7d\u4e00\u4e2a\u6a21\u578b\u7684\u5173\u8054\u5173\u7cfb\u65f6\uff0cLaravel\u9ed8\u8ba4\u4f1a\u4f7f\u7528”eager loading”\uff08\u8d2a\u5a6a\u52a0\u8f7d\uff09\u65b9\u5f0f\uff0c\u5373\u4f1a\u4e00\u6b21\u6027\u52a0\u8f7d\u6240\u6709\u76f8\u5173\u6a21\u578b\u7684\u6570\u636e\u3002\u4f46\u662f\uff0c\u5982\u679c\u5173\u8054\u6a21\u578b\u7684\u6570\u636e\u91cf\u8f83\u5927\uff0c\u8fd9\u79cd\u65b9\u5f0f\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6027\u80fd\u4e0b\u964d\u3002 \u4e3a\u4e86\u907f\u514d\u8fd9\u4e2a\u95ee\u9898\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528”\u5ef6\u8fdf\u52a0\u8f7d”\uff08lazy loading\uff09\u65b9\u5f0f\uff0c\u5373\u53ea\u5728\u9700\u8981\u65f6\u624d\u52a0\u8f7d\u5173\u8054\u6a21\u578b\u7684\u6570\u636e\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u5ef6\u8fdf\u52a0\u8f7d\u7684\u793a\u4f8b\uff1a \/\/ \u5ef6\u8fdf\u52a0\u8f7d\u5173\u8054\u6a21\u578b $posts = Post::all(); foreach ($posts as $post) { echo $post-&gt;user-&gt;name; \/\/ \u53ea\u5728\u8fd9\u91cc\u624d\u52a0\u8f7d\u5173\u8054\u6a21\u578b\u7684\u6570\u636e } \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528\u67e5\u8be2\u4f18\u5316\u6280\u5de7 Laravel\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u67e5\u8be2\u4f18\u5316\u6280\u5de7\uff0c\u53ef\u4ee5\u63d0\u9ad8\u6570\u636e\u5e93\u67e5\u8be2\u7684\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u67e5\u8be2\u4f18\u5316\u6280\u5de7\uff1a \u4f7f\u7528\u7d22\u5f15\uff1a\u786e\u4fdd\u6570\u636e\u5e93\u8868\u7684\u5b57\u6bb5\u4e0a\u521b\u5efa\u7d22\u5f15\uff0c\u4ee5\u52a0\u5feb\u67e5\u8be2\u901f\u5ea6\u3002 \u907f\u514dN+1\u67e5\u8be2\u95ee\u9898\uff1a\u5c3d\u91cf\u4f7f\u7528”eager loading”\u6765\u52a0\u8f7d\u6a21\u578b\u7684\u5173\u8054\u5173\u7cfb\uff0c\u4ee5\u907f\u514d\u591a\u6b21\u67e5\u8be2\u6570\u636e\u5e93\u3002 \u4f7f\u7528\u539f\u751f\u67e5\u8be2\uff1a\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u539f\u751f\u67e5\u8be2\uff08Raw Query\uff09\u53ef\u80fd\u6bd4\u4f7f\u7528\u67e5\u8be2\u6784\u5efa\u5668\u66f4\u9ad8\u6548\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528Laravel\u7684DB\u7c7b\u6267\u884c\u539f\u751f\u67e5\u8be2\u3002 \/\/ […]<\/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-24268","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/24268","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=24268"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/24268\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=24268"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=24268"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=24268"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}