{"id":23019,"date":"2024-11-21T10:39:59","date_gmt":"2024-11-21T02:39:59","guid":{"rendered":"https:\/\/fwq.ai\/blog\/23019\/"},"modified":"2024-11-21T10:39:59","modified_gmt":"2024-11-21T02:39:59","slug":"laravel%e8%83%bd%e4%b8%8d%e8%83%bd%e6%8e%a5%e4%b8%a4%e4%b8%aa%e6%95%b0%e6%8d%ae%e5%ba%93","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/23019\/","title":{"rendered":"laravel\u80fd\u4e0d\u80fd\u63a5\u4e24\u4e2a\u6570\u636e\u5e93"},"content":{"rendered":"

laravel\u662f\u4e00\u4e2a\u6d41\u884c\u7684php\u6846\u67b6\uff0c\u63d0\u4f9b\u4e86\u8bb8\u591a\u5f3a\u5927\u7684\u7279\u6027\u548c\u5de5\u5177\uff0c\u4f7f\u5f97\u5f00\u53d1web\u5e94\u7528\u53d8\u5f97\u66f4\u52a0\u9ad8\u6548\u548c\u7b80\u5355\u3002\u5728\u5b9e\u9645\u7684\u5e94\u7528\u573a\u666f\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u9700\u8981\u8fde\u63a5\u591a\u4e2a\u6570\u636e\u5e93\uff0c\u5e76\u5728\u8fd9\u4e9b\u6570\u636e\u5e93\u4e4b\u95f4\u8fdb\u884c\u6570\u636e\u7684\u4ea4\u4e92\u548c\u4f20\u9012\u3002\u56e0\u6b64\uff0c\u8fd9\u7bc7\u6587\u7ae0\u5c06\u4f1a\u8ba8\u8bba\u5728laravel\u4e2d\u5982\u4f55\u63a5\u5165\u591a\u4e2a\u6570\u636e\u5e93\u3002<\/p>\n

\u4e00\u822c\u6765\u8bf4\uff0cLaravel\u9ed8\u8ba4\u53ea\u8fde\u63a5\u4e00\u4e2a\u6570\u636e\u5e93\u3002\u8fd9\u662f\u5728config\/database.php\u4e2d\u7684\u2019database\u2019\u5b57\u6bb5\u4e2d\u8bbe\u7f6e\u7684\u3002\u6b64\u5916\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u4e3a\u6bcf\u4e2a\u6570\u636e\u5e93\u8bbe\u7f6e\u5176\u5b83\u914d\u7f6e\u9879\uff0c\u4f8b\u5982\u6570\u636e\u5e93\u7684\u8fde\u63a5\u540d\u79f0\uff0c\u4e3b\u673a\u540d\u79f0\uff0c\u6570\u636e\u5e93\u540d\u79f0\uff0c\u7528\u6237\u540d\uff0c\u5bc6\u7801\u7b49\u3002\u4f46\u662f\uff0c\u5982\u679c\u6211\u4eec\u9700\u8981\u8fde\u63a5\u591a\u4e2a\u6570\u636e\u5e93\uff0c\u6211\u4eec\u8be5\u5982\u4f55\u505a\u5462\uff1f<\/p>\n

\u5728Laravel\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u5229\u7528Laravel\u7684Eloquent ORM\u4ee5\u53caLaravel\u63d0\u4f9b\u7684Database Query Builder\u6765\u8fde\u63a5\u591a\u4e2a\u6570\u636e\u5e93\u3002\u8fd9\u4e24\u4e2a\u5de5\u5177\u90fd\u63d0\u4f9b\u4e86\u8bb8\u591a\u9ad8\u6548\u548c\u7075\u6d3b\u7684\u65b9\u6cd5\uff0c\u4f7f\u5f97\u591a\u6570\u636e\u5e93\u7684\u8fde\u63a5\u53d8\u5f97\u7b80\u5355\u800c\u53c8\u65b9\u4fbf\u3002<\/p>\n

    \n
  1. \u914d\u7f6e\u6587\u4ef6\u8bbe\u7f6e<\/li>\n<\/ol>\n

    \u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684\u6570\u636e\u5e93\u8fde\u63a5\u6765\u8fde\u63a5\u591a\u4e2a\u6570\u636e\u5e93\u3002\u53ea\u9700\u8981\u5728config\/database.php\u4e2d\u6dfb\u52a0\u4e00\u4e2a\u65b0\u7684\u6570\u636e\u5e93\u8fde\u63a5\u5373\u53ef\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u589e\u52a0\u4e00\u4e2a\u540d\u4e3a\u201cmysql2\u201d\u7684\u6570\u636e\u5e93\u8fde\u63a5\uff1a<\/p>\n

    ‘default’ => env(‘DB_CONNECTION’, ‘mysql’),<\/p>\n

    ‘connections’ => [<\/p>\n

    \/\/ \u4e3b\u6570\u636e\u5e93<\/p>\n

    ‘mysql’ => [<\/p>\n

    ‘driver’ => ‘mysql’,<\/p>\n

    ‘host’ => env(‘DB_HOST’, ‘127.0.0.1’),<\/p>\n

    \/\/ …<\/p>\n

    ],<\/p>\n

    \/\/ \u7b2c\u4e8c\u4e2a\u6570\u636e\u5e93<\/p>\n

    ‘mysql2’ => [<\/p>\n

    ‘driver’ => ‘mysql’,<\/p>\n

    ‘host’ => env(‘DB_HOST2’, ‘127.0.0.1’),<\/p>\n

    \/\/ …<\/p>\n

    ],<\/p>\n

    ],<\/p>\n

      \n
    1. \u6a21\u578b\u8bbe\u7f6e<\/li>\n<\/ol>\n

      \u5728Laravel\u4e2d\uff0c\u6bcf\u4e2a\u6570\u636e\u5e93\u8fde\u63a5\u90fd\u9700\u8981\u81f3\u5c11\u4e00\u4e2a\u6570\u636e\u5e93\u6a21\u578b\u6765\u8bbf\u95ee\u5b83\u3002\u6211\u4eec\u9700\u8981\u4e3a\u6bcf\u4e2a\u6570\u636e\u5e93\u8fde\u63a5\u521b\u5efa\u4e00\u4e2aEloquent\u6a21\u578b\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u6a21\u578b\u6765\u8bbf\u95ee\u6211\u4eec\u521a\u521a\u6dfb\u52a0\u7684\u201cmysql2\u201d\u8fde\u63a5\uff1a<\/p>\n

      class Mysql2Model extends Model<\/p>\n

      {<\/p>\n

      protected $connection = ‘mysql2’;<\/p>\n

      protected $table = ‘users’;<\/p>\n

      \/\/ …<\/p>\n

      }<\/p>\n

      \u8be5\u6a21\u578b\u6307\u5b9a\u4f7f\u7528\u201cmysql2\u201d\u8fde\u63a5\uff0c\u5e76\u8bbf\u95ee\u4e00\u4e2a\u540d\u4e3a\u201cusers\u201d\u7684\u8868\u3002<\/p>\n

        \n
      1. \u5728\u63a7\u5236\u5668\u4e2d\u4f7f\u7528\u591a\u4e2a\u6570\u636e\u5e93\u8fde\u63a5<\/li>\n<\/ol>\n

        \u5728Laravel\u63a7\u5236\u5668\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u6bcf\u4e2a\u6570\u636e\u5e93\u8fde\u63a5\u7684\u4e0d\u540c\u6a21\u578b\u6765\u8fde\u63a5\u591a\u4e2a\u6570\u636e\u5e93\u3002\u4f8b\u5982\uff0c\u4e0b\u9762\u7684\u4ee3\u7801\u5c06\u4ece\u4e24\u4e2a\u4e0d\u540c\u7684\u6570\u636e\u5e93\u4e2d\u9009\u62e9\u7528\u6237\u8bb0\u5f55\uff0c\u5e76\u5c06\u5b83\u4eec\u5408\u5e76\u5230\u540c\u4e00\u4e2a\u6570\u7ec4\u4e2d\uff1a<\/p>\n

        use AppUser;<\/p>\n

        use AppMysql2Model;<\/p>\n

        public function index()<\/p>\n

        {<\/p>\n

        \/\/ \u4ece\u9ed8\u8ba4\u6570\u636e\u5e93\u4e2d\u83b7\u53d6\u7528\u6237\u6570\u636e<\/p>\n

        $users1 = User::all()->toArray();<\/p>\n

        \/\/ \u4ece\u7b2c\u4e8c\u4e2a\u6570\u636e\u5e93\u4e2d\u83b7\u53d6\u7528\u6237\u6570\u636e<\/p>\n

        $users2 = Mysql2Model::all()->toArray();<\/p>\n

        \/\/ \u5408\u5e76\u4e24\u4e2a\u7ed3\u679c\u6570\u7ec4<\/p>\n

        $users = array_merge($users1, $users2);<\/p>\n

        \/\/ …<\/p>\n

        }<\/p>\n

        \u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Eloquent\u6765\u8bbf\u95ee\u7b2c\u4e00\u4e2a\u6570\u636e\u5e93\u4e2d\u7684User\u6a21\u578b\uff0c\u7136\u540e\u4f7f\u7528Mysql2Model\u8bbf\u95ee\u7b2c\u4e8c\u4e2a\u6570\u636e\u5e93\u4e2d\u7684\u76f8\u5173\u6a21\u578b\u3002\u7136\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u4e24\u4e2a\u7ed3\u679c\u6570\u7ec4\u5408\u5e76\u8d77\u6765\u5e76\u8fdb\u884c\u540e\u7eed\u6570\u636e\u5904\u7406\u3002<\/p>\n

          \n
        1. \u5728\u67e5\u8be2\u6784\u5efa\u5668\u4e2d\u4f7f\u7528\u591a\u4e2a\u8fde\u63a5<\/li>\n<\/ol>\n

          \u5728Laravel\u7684\u67e5\u8be2\u6784\u5efa\u5668\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u201cconnection\u201d\u65b9\u6cd5\u6765\u6307\u5b9a\u4f7f\u7528\u54ea\u4e2a\u6570\u636e\u5e93\u8fde\u63a5\u3002\u4f8b\u5982\uff0c\u4e0b\u9762\u7684\u4ee3\u7801\u4f7f\u7528\u7b2c\u4e8c\u4e2a\u6570\u636e\u5e93\u8fde\u63a5\u4ece\u4e00\u4e2a\u540d\u4e3a\u201cusers\u201d\u7684\u8868\u4e2d\u9009\u62e9\u6240\u6709\u5b57\u6bb5\u7684\u8bb0\u5f55\uff1a<\/p>\n

          use IlluminateSupportFacadesDB;<\/p>\n

          $users = DB::connection(‘mysql2’)->table(‘users’)->get();<\/p>\n

          \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528DB\u7c7b\u6765\u6307\u5b9a\u4f7f\u7528\u201cmysql2\u201d\u8fde\u63a5\uff0c\u7136\u540e\u4f7f\u7528\u67e5\u8be2\u6784\u5efa\u5668\u201ctable\u201d\u65b9\u6cd5\u4ece\u540d\u4e3a\u201cusers\u201d\u7684\u8868\u4e2d\u83b7\u53d6\u6240\u6709\u7684\u8bb0\u5f55\u3002<\/p>\n

          \u603b\u7ed3\uff1a<\/p>\n

          Laravel\u652f\u6301\u591a\u4e2a\u6570\u636e\u5e93\u8fde\u63a5\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Laravel\u7684Eloquent ORM\u548cDatabase Query Builder\u6765\u8fde\u63a5\u591a\u4e2a\u6570\u636e\u5e93\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u914d\u7f6e\u6587\u4ef6\u3001\u6a21\u578b\u3001\u63a7\u5236\u5668\u4ee5\u53ca\u67e5\u8be2\u6784\u5efa\u5668\u6765\u4f7f\u7528\u4e0d\u540c\u7684\u6570\u636e\u5e93\u8fde\u63a5\uff0c\u5e76\u8fdb\u884c\u6570\u636e\u7684\u4ea4\u4e92\u3002 \u8fd9\u4f7f\u5f97Laravel\u5728\u6570\u636e\u7ba1\u7406\u65b9\u9762\u53d8\u5f97\u66f4\u52a0\u5f3a\u5927\u548c\u7075\u6d3b\uff0c\u8fd9\u4e5f\u662f\u8fd9\u4e2a\u6846\u67b6\u5982\u6b64\u6d41\u884c\u7684\u4e00\u4e2a\u539f\u56e0\u3002<\/p>\n

          \u4ee5\u4e0a\u5c31\u662flaravel\u80fd\u4e0d\u80fd\u63a5\u4e24\u4e2a\u6570\u636e\u5e93\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\u662f\u4e00\u4e2a\u6d41\u884c\u7684php\u6846\u67b6\uff0c\u63d0\u4f9b\u4e86\u8bb8\u591a\u5f3a\u5927\u7684\u7279\u6027\u548c\u5de5\u5177\uff0c\u4f7f\u5f97\u5f00\u53d1web\u5e94\u7528\u53d8\u5f97\u66f4\u52a0\u9ad8\u6548\u548c\u7b80\u5355\u3002\u5728\u5b9e\u9645\u7684\u5e94\u7528\u573a\u666f\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u9700\u8981\u8fde\u63a5\u591a\u4e2a\u6570\u636e\u5e93\uff0c\u5e76\u5728\u8fd9\u4e9b\u6570\u636e\u5e93\u4e4b\u95f4\u8fdb\u884c\u6570\u636e\u7684\u4ea4\u4e92\u548c\u4f20\u9012\u3002\u56e0\u6b64\uff0c\u8fd9\u7bc7\u6587\u7ae0\u5c06\u4f1a\u8ba8\u8bba\u5728laravel\u4e2d\u5982\u4f55\u63a5\u5165\u591a\u4e2a\u6570\u636e\u5e93\u3002 \u4e00\u822c\u6765\u8bf4\uff0cLaravel\u9ed8\u8ba4\u53ea\u8fde\u63a5\u4e00\u4e2a\u6570\u636e\u5e93\u3002\u8fd9\u662f\u5728config\/database.php\u4e2d\u7684\u2019database\u2019\u5b57\u6bb5\u4e2d\u8bbe\u7f6e\u7684\u3002\u6b64\u5916\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u4e3a\u6bcf\u4e2a\u6570\u636e\u5e93\u8bbe\u7f6e\u5176\u5b83\u914d\u7f6e\u9879\uff0c\u4f8b\u5982\u6570\u636e\u5e93\u7684\u8fde\u63a5\u540d\u79f0\uff0c\u4e3b\u673a\u540d\u79f0\uff0c\u6570\u636e\u5e93\u540d\u79f0\uff0c\u7528\u6237\u540d\uff0c\u5bc6\u7801\u7b49\u3002\u4f46\u662f\uff0c\u5982\u679c\u6211\u4eec\u9700\u8981\u8fde\u63a5\u591a\u4e2a\u6570\u636e\u5e93\uff0c\u6211\u4eec\u8be5\u5982\u4f55\u505a\u5462\uff1f \u5728Laravel\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u5229\u7528Laravel\u7684Eloquent ORM\u4ee5\u53caLaravel\u63d0\u4f9b\u7684Database Query Builder\u6765\u8fde\u63a5\u591a\u4e2a\u6570\u636e\u5e93\u3002\u8fd9\u4e24\u4e2a\u5de5\u5177\u90fd\u63d0\u4f9b\u4e86\u8bb8\u591a\u9ad8\u6548\u548c\u7075\u6d3b\u7684\u65b9\u6cd5\uff0c\u4f7f\u5f97\u591a\u6570\u636e\u5e93\u7684\u8fde\u63a5\u53d8\u5f97\u7b80\u5355\u800c\u53c8\u65b9\u4fbf\u3002 \u914d\u7f6e\u6587\u4ef6\u8bbe\u7f6e \u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684\u6570\u636e\u5e93\u8fde\u63a5\u6765\u8fde\u63a5\u591a\u4e2a\u6570\u636e\u5e93\u3002\u53ea\u9700\u8981\u5728config\/database.php\u4e2d\u6dfb\u52a0\u4e00\u4e2a\u65b0\u7684\u6570\u636e\u5e93\u8fde\u63a5\u5373\u53ef\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u589e\u52a0\u4e00\u4e2a\u540d\u4e3a\u201cmysql2\u201d\u7684\u6570\u636e\u5e93\u8fde\u63a5\uff1a ‘default’ => env(‘DB_CONNECTION’, ‘mysql’), ‘connections’ => [ \/\/ \u4e3b\u6570\u636e\u5e93 ‘mysql’ => [ ‘driver’ => ‘mysql’, ‘host’ => env(‘DB_HOST’, ‘127.0.0.1’), \/\/ … ], \/\/ \u7b2c\u4e8c\u4e2a\u6570\u636e\u5e93 ‘mysql2’ => [ ‘driver’ => ‘mysql’, ‘host’ => env(‘DB_HOST2’, ‘127.0.0.1’), \/\/ … ], ], \u6a21\u578b\u8bbe\u7f6e \u5728Laravel\u4e2d\uff0c\u6bcf\u4e2a\u6570\u636e\u5e93\u8fde\u63a5\u90fd\u9700\u8981\u81f3\u5c11\u4e00\u4e2a\u6570\u636e\u5e93\u6a21\u578b\u6765\u8bbf\u95ee\u5b83\u3002\u6211\u4eec\u9700\u8981\u4e3a\u6bcf\u4e2a\u6570\u636e\u5e93\u8fde\u63a5\u521b\u5efa\u4e00\u4e2aEloquent\u6a21\u578b\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u6a21\u578b\u6765\u8bbf\u95ee\u6211\u4eec\u521a\u521a\u6dfb\u52a0\u7684\u201cmysql2\u201d\u8fde\u63a5\uff1a class Mysql2Model extends Model { protected $connection […]<\/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-23019","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/23019","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=23019"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/23019\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=23019"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=23019"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=23019"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}