{"id":22981,"date":"2024-11-21T11:21:49","date_gmt":"2024-11-21T03:21:49","guid":{"rendered":"https:\/\/fwq.ai\/blog\/22981\/"},"modified":"2024-11-21T11:21:49","modified_gmt":"2024-11-21T03:21:49","slug":"laravel%e6%95%b0%e6%8d%ae%e5%ba%93%e8%ae%be%e7%bd%ae","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/22981\/","title":{"rendered":"laravel\u6570\u636e\u5e93\u8bbe\u7f6e"},"content":{"rendered":"<p>laravel\u662f\u4e00\u6b3e\u5f00\u6e90\u7684php web\u6846\u67b6\uff0c\u5b83\u5728\u5904\u7406\u6570\u636e\u65b9\u9762\u975e\u5e38\u51fa\u8272\u3002laravel\u63d0\u4f9b\u4e86\u4e00\u79cd\u7b80\u6d01\u7075\u6d3b\u3001\u6613\u4e8e\u4f7f\u7528\u7684orm(object relational mapping)\u65b9\u5f0f\uff0c\u8ba9\u5f00\u53d1\u8005\u4eec\u5728\u5904\u7406\u4e0d\u540c\u7684\u6570\u636e\u5e93\u65f6\u66f4\u52a0\u65b9\u4fbf\u3002<\/p>\n<p>\u5728\u4f7f\u7528Laravel\u65f6\uff0c\u6211\u4eec\u9700\u8981\u5148\u8fdb\u884c\u6570\u636e\u5e93\u94fe\u63a5\u8bbe\u7f6e\uff0c\u8ba9Laravel\u80fd\u591f\u6b63\u786e\u8bbf\u95ee\u6211\u4eec\u7684\u6570\u636e\u5e93\u3002\u4e0b\u9762\u6211\u4eec\u5c06\u8bb2\u89e3\u5982\u4f55\u5728Laravel\u4e2d\u8fdb\u884c\u6570\u636e\u5e93\u8bbe\u7f6e\u3002<\/p>\n<h2>1. \u73af\u5883\u53d8\u91cf<\/h2>\n<p>\u5728Laravel\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539.env\u6587\u4ef6\u6765\u8bbe\u7f6e\u6211\u4eec\u7684\u6570\u636e\u5e93\u4fe1\u606f\u3002\u6211\u4eec\u53ef\u4ee5\u5728.env\u6587\u4ef6\u4e2d\u627e\u5230\u5982\u4e0b\u4fe1\u606f\uff1a<\/p>\n<pre>DB_CONNECTION=mysql\nDB_HOST=127.0.0.1\nDB_PORT=3306\nDB_DATABASE=laravel\nDB_USERNAME=root\nDB_PASSWORD=<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ul>\n<li>DB_CONNECTION \u7528\u4e8e\u6307\u5b9a\u6570\u636e\u5e93\u7684\u7c7b\u578b\uff0cLaravel\u652f\u6301\u7684\u6570\u636e\u5e93\u7c7b\u578b\u6709mysql\u3001pgsql\u3001sqlite\u3001sqlsrv\u7b49\u3002<\/li>\n<li>DB_HOST \u7528\u4e8e\u6307\u5b9a\u6570\u636e\u5e93\u6240\u5728\u7684\u4e3b\u673a\u540d\u6216IP\u5730\u5740\uff0c\u4e00\u822c\u6307\u5b9a\u4e3alocalhost\u6216127.0.0.1\u3002<\/li>\n<li>DB_PORT \u7528\u4e8e\u6307\u5b9a\u6570\u636e\u5e93\u670d\u52a1\u5668\u7684\u7aef\u53e3\u53f7\u3002<\/li>\n<li>DB_DATABASE \u7528\u4e8e\u6307\u5b9a\u8981\u4f7f\u7528\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002<\/li>\n<li>DB_USERNAME \u7528\u4e8e\u6307\u5b9a\u8fde\u63a5\u6570\u636e\u5e93\u4f7f\u7528\u7684\u7528\u6237\u540d\u3002<\/li>\n<li>DB_PASSWORD \u7528\u4e8e\u6307\u5b9a\u8fde\u63a5\u6570\u636e\u5e93\u4f7f\u7528\u7684\u5bc6\u7801\u3002<\/li>\n<\/ul>\n<p>\u5728\u8fdb\u884c\u5b8c\u4ee5\u4e0a\u7684\u8bbe\u7f6e\u4e4b\u540e\uff0cLaravel\u5c06\u4f1a\u4f7f\u7528\u8fd9\u4e9b\u8bbe\u7f6e\u6765\u8fde\u63a5\u6211\u4eec\u7684\u6570\u636e\u5e93\u3002<\/p>\n<h2>2. \u6570\u636e\u5e93\u8fc1\u79fb<\/h2>\n<p>Laravel\u63d0\u4f9b\u4e86\u6570\u636e\u5e93\u8fc1\u79fb\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u65b9\u4fbf\u6211\u4eec\u5728\u4e0d\u540c\u7684\u6570\u636e\u5e93\u4e4b\u95f4\u8fdb\u884c\u6570\u636e\u8fc1\u79fb\u3002\u5728\u8fdb\u884c\u6570\u636e\u5e93\u8fc1\u79fb\u65f6\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u6211\u4eec\u9700\u8981\u5148\u521b\u5efa\u6570\u636e\u5e93\u5e76\u8bbe\u7f6e\u597d\u76f8\u5e94\u7684\u8fde\u63a5\u4fe1\u606f\uff0c\u7136\u540e\u518d\u5229\u7528\u8fc1\u79fb\u5668\u8fdb\u884c\u6570\u636e\u8fc1\u79fb\u3002<\/p>\n<p>\u5728Laravel\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u6267\u884cphp artisan make:migration create_users_table\u547d\u4ee4\u6765\u521b\u5efa\u4e00\u4e2a\u8fc1\u79fb\u6587\u4ef6\u3002\u8be5\u547d\u4ee4\u5c06\u4f1a\u5728database\/migrations\u76ee\u5f55\u4e2d\u751f\u6210\u4e00\u4e2a\u65b0\u7684\u8fc1\u79fb\u6587\u4ef6\uff0c\u6587\u4ef6\u540d\u7c7b\u4f3c\u4e8e2019_04_01_000001_create_users_table.php\u3002<\/p>\n<p>\u5728\u521b\u5efa\u5b8c\u8fc1\u79fb\u6587\u4ef6\u4e4b\u540e\uff0c\u6211\u4eec\u9700\u8981\u6253\u5f00\u8be5\u6587\u4ef6\u5e76\u7f16\u8f91\u5176\u4e2d\u7684up\u65b9\u6cd5\u548cdown\u65b9\u6cd5\u3002\u5176\u4e2d\uff0cup\u65b9\u6cd5\u5c06\u4f1a\u5728\u6267\u884c\u8fc1\u79fb\u65f6\u88ab\u8c03\u7528\uff0c\u7528\u4e8e\u5b9a\u4e49\u6211\u4eec\u9700\u8981\u6267\u884c\u7684\u6570\u636e\u5e93\u64cd\u4f5c\uff1bdown\u65b9\u6cd5\u5c06\u4f1a\u5728\u64a4\u9500\u8fc1\u79fb\u65f6\u88ab\u8c03\u7528\uff0c\u7528\u4e8e\u5b9a\u4e49\u6211\u4eec\u9700\u8981\u6267\u884c\u7684\u64a4\u9500\u64cd\u4f5c\u3002\u4e0b\u9762\u6211\u4eec\u4ee5\u521b\u5efa\u7528\u6237\u8868\u4e3a\u4f8b\uff0c\u8fdb\u884c\u4ee3\u7801\u793a\u8303\uff1a<\/p>\n<pre>&lt;?php use IlluminateSupportFacadesSchema;\nuse IlluminateDatabaseSchemaBlueprint;\nuse IlluminateDatabaseMigrationsMigration;\n\nclass CreateUsersTable extends Migration\n{\n    \/**\n     * Run the migrations.\n     *\n     * @return void\n     *\/\n    public function up()\n    {\n        Schema::create('users', function (Blueprint $table) {\n            $table-&gt;increments('id');\n            $table-&amp;gt;string('name');\n            $table-&amp;gt;string('email')-&amp;gt;unique();\n            $table-&amp;gt;string('password');\n            $table-&amp;gt;rememberToken();\n            $table-&amp;gt;timestamps();\n        });\n    }\n\n    \/**\n     * Reverse the migrations.\n     *\n     * @return void\n     *\/\n    public function down()\n    {\n        Schema::drop('users');\n    }\n}<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4ee5\u4e0a\u4ee3\u7801\u5c06\u4f1a\u521b\u5efa\u4e00\u4e2a\u540d\u4e3ausers\u7684\u8868\uff0c\u8be5\u8868\u5305\u542b5\u4e2a\u5b57\u6bb5id\u3001name\u3001email\u3001password\u548cremember_token\uff0c\u4ee5\u53ca\u4e24\u4e2a\u81ea\u52a8\u7ef4\u62a4\u7684\u5b57\u6bb5created_at\u548cupdated_at\u3002<\/p>\n<p>\u5728\u5b8c\u6210\u4e86\u4e0a\u8ff0\u8bbe\u7f6e\u4e4b\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u6267\u884cphp artisan migrate\u547d\u4ee4\u6765\u6267\u884c\u6570\u636e\u8fc1\u79fb\u64cd\u4f5c\u3002<\/p>\n<h2>3. \u6a21\u578b<\/h2>\n<p>\u5728Laravel\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Eloquent ORM\u6765\u65b9\u4fbf\u5730\u64cd\u4f5c\u6211\u4eec\u7684\u6570\u636e\u5e93\u3002Eloquent ORM\u63d0\u4f9b\u4e86\u8bb8\u591a\u65b9\u6cd5\u7528\u4e8e\u6267\u884cCRUD(create, read, update, delete)\u64cd\u4f5c\uff0c\u80fd\u591f\u5e2e\u52a9\u6211\u4eec\u5feb\u901f\u8fdb\u884c\u6570\u636e\u5e93\u64cd\u4f5c\u3002<\/p>\n<p>\u6211\u4eec\u5148\u6765\u770b\u4e00\u4e0b\u5728\u6a21\u578b\u4e2d\u8bbe\u7f6e\u6570\u636e\u5e93\u7684\u65b9\u6cd5\u3002\u5728\u6a21\u578b\u7c7b\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u6765\u6307\u5b9a\u8868\u540d\u3001\u4e3b\u952e\u4ee5\u53ca\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\uff1a<\/p>\n<pre>&lt;?php namespace AppModels;\n\nuse IlluminateDatabaseEloquentModel;\n\nclass User extends Model\n{\n    protected $table = 'users';\n\n    protected $primaryKey = 'id';\n\n    protected $connection = 'mysql';\n}<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4ee5\u4e0a\u4ee3\u7801\u5c06\u4f1a\u6307\u5b9a\u4f7f\u7528mysql\u8fde\u63a5\u6765\u8bbf\u95eeusers\u8868\uff0c\u8be5\u8868\u7684\u4e3b\u952e\u4e3aid\u3002<\/p>\n<p>\u5728\u8bbe\u7f6e\u5b8c\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u540e\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u4f7f\u7528Eloquent ORM\u6765\u8fdb\u884c\u6570\u636e\u5e93\u64cd\u4f5c\u4e86\u3002\u4e0b\u9762\u6211\u4eec\u6765\u770b\u4e00\u4e9bEloquent ORM\u7684\u57fa\u672c\u64cd\u4f5c\u3002<\/p>\n<h3>3.1 \u521b\u5efa\u6570\u636e<\/h3>\n<p>\u5728Eloquent ORM\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528create\u65b9\u6cd5\u6765\u521b\u5efa\u6570\u636e\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>$user = User::create([\n    'name' =&amp;gt; 'Tom',\n    'email' =&amp;gt; 'tom@example.com',\n    'password' =&amp;gt; bcrypt('password'),\n]);<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4ee5\u4e0a\u4ee3\u7801\u5c06\u4f1a\u521b\u5efa\u4e00\u6761\u540d\u4e3aTom\u3001\u90ae\u7bb1\u4e3atom@example.com\u3001\u5bc6\u7801\u4e3apassword\u7684\u7528\u6237\u6570\u636e\u3002<\/p>\n<h3>3.2 \u67e5\u8be2\u6570\u636e<\/h3>\n<p>\u5728Eloquent ORM\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528get\u65b9\u6cd5\u6765\u67e5\u8be2\u6570\u636e\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>$users = User::get();<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4ee5\u4e0a\u4ee3\u7801\u5c06\u4f1a\u4eceusers\u8868\u4e2d\u67e5\u8be2\u51fa\u6240\u6709\u7684\u7528\u6237\u6570\u636e\u3002<\/p>\n<p>\u6211\u4eec\u4e5f\u53ef\u4ee5\u4f7f\u7528where\u65b9\u6cd5\u6765\u8fdb\u884c\u6761\u4ef6\u67e5\u8be2\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>$users = User::where('name', 'Tom')-&amp;gt;get();<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4ee5\u4e0a\u4ee3\u7801\u5c06\u4f1a\u4eceusers\u8868\u4e2d\u67e5\u8be2\u51fa\u540d\u79f0\u4e3aTom\u7684\u6240\u6709\u7528\u6237\u6570\u636e\u3002<\/p>\n<h3>3.3 \u66f4\u65b0\u6570\u636e<\/h3>\n<p>\u5728Eloquent ORM\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528update\u65b9\u6cd5\u6765\u66f4\u65b0\u6570\u636e\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>$user = User::where('name', 'Tom')-&amp;gt;first();\n$user-&amp;gt;email = 'new_email@example.com';\n$user-&amp;gt;save();<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4ee5\u4e0a\u4ee3\u7801\u5c06\u4f1a\u5c06\u540d\u4e3aTom\u7684\u7528\u6237\u6570\u636e\u7684\u90ae\u7bb1\u6539\u4e3anew_email@example.com\u3002<\/p>\n<h3>3.4 \u5220\u9664\u6570\u636e<\/h3>\n<p>\u5728Eloquent ORM\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528delete\u65b9\u6cd5\u6765\u5220\u9664\u6570\u636e\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>$user = User::where('name', 'Tom')-&amp;gt;first();\n$user-&amp;gt;delete();<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4ee5\u4e0a\u4ee3\u7801\u5c06\u4f1a\u5220\u9664\u540d\u4e3aTom\u7684\u7528\u6237\u6570\u636e\u3002<\/p>\n<h2>\u7ed3\u8bed<\/h2>\n<p>\u603b\u4e4b\uff0cLaravel\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u6570\u636e\u5e93\u64cd\u4f5c\u65b9\u6cd5\uff0c\u53ef\u4ee5\u8ba9\u6211\u4eec\u5728\u5f00\u53d1Web\u5e94\u7528\u65f6\u66f4\u52a0\u4fbf\u6377\u3002\u5728\u8fdb\u884c\u6570\u636e\u5e93\u8bbe\u7f6e\u65f6\uff0c\u6211\u4eec\u9700\u8981\u6ce8\u610f\u73af\u5883\u53d8\u91cf\u7684\u8bbe\u7f6e\u4ee5\u53ca\u6570\u636e\u5e93\u8fc1\u79fb\u6587\u4ef6\u7684\u7f16\u8f91\uff0c\u907f\u514d\u51fa\u73b0\u4e0d\u5fc5\u8981\u7684\u9519\u8bef\u3002\u540c\u65f6\uff0cEloquent ORM\u4e5f\u4e3a\u6211\u4eec\u63d0\u4f9b\u4e86\u65b9\u4fbf\u5feb\u6377\u7684CRUD\u64cd\u4f5c\u65b9\u6cd5\uff0c\u53ef\u4ee5\u8ba9\u6211\u4eec\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u66f4\u52a0\u9ad8\u6548\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662flaravel\u6570\u636e\u5e93\u8bbe\u7f6e\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\u662f\u4e00\u6b3e\u5f00\u6e90\u7684php web\u6846\u67b6\uff0c\u5b83\u5728\u5904\u7406\u6570\u636e\u65b9\u9762\u975e\u5e38\u51fa\u8272\u3002laravel\u63d0\u4f9b\u4e86\u4e00\u79cd\u7b80\u6d01\u7075\u6d3b\u3001\u6613\u4e8e\u4f7f\u7528\u7684orm(object relational mapping)\u65b9\u5f0f\uff0c\u8ba9\u5f00\u53d1\u8005\u4eec\u5728\u5904\u7406\u4e0d\u540c\u7684\u6570\u636e\u5e93\u65f6\u66f4\u52a0\u65b9\u4fbf\u3002 \u5728\u4f7f\u7528Laravel\u65f6\uff0c\u6211\u4eec\u9700\u8981\u5148\u8fdb\u884c\u6570\u636e\u5e93\u94fe\u63a5\u8bbe\u7f6e\uff0c\u8ba9Laravel\u80fd\u591f\u6b63\u786e\u8bbf\u95ee\u6211\u4eec\u7684\u6570\u636e\u5e93\u3002\u4e0b\u9762\u6211\u4eec\u5c06\u8bb2\u89e3\u5982\u4f55\u5728Laravel\u4e2d\u8fdb\u884c\u6570\u636e\u5e93\u8bbe\u7f6e\u3002 1. \u73af\u5883\u53d8\u91cf \u5728Laravel\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539.env\u6587\u4ef6\u6765\u8bbe\u7f6e\u6211\u4eec\u7684\u6570\u636e\u5e93\u4fe1\u606f\u3002\u6211\u4eec\u53ef\u4ee5\u5728.env\u6587\u4ef6\u4e2d\u627e\u5230\u5982\u4e0b\u4fe1\u606f\uff1a DB_CONNECTION=mysql DB_HOST=127.0.0.1 DB_PORT=3306 DB_DATABASE=laravel DB_USERNAME=root DB_PASSWORD= \u767b\u5f55\u540e\u590d\u5236 DB_CONNECTION \u7528\u4e8e\u6307\u5b9a\u6570\u636e\u5e93\u7684\u7c7b\u578b\uff0cLaravel\u652f\u6301\u7684\u6570\u636e\u5e93\u7c7b\u578b\u6709mysql\u3001pgsql\u3001sqlite\u3001sqlsrv\u7b49\u3002 DB_HOST 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