{"id":22634,"date":"2024-11-21T11:15:43","date_gmt":"2024-11-21T03:15:43","guid":{"rendered":"https:\/\/fwq.ai\/blog\/22634\/"},"modified":"2024-11-21T11:15:43","modified_gmt":"2024-11-21T03:15:43","slug":"laravel%e6%80%8e%e4%b9%88%e8%bf%94%e5%9b%9e%e6%8c%87%e5%ae%9a%e5%88%97","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/22634\/","title":{"rendered":"laravel\u600e\u4e48\u8fd4\u56de\u6307\u5b9a\u5217"},"content":{"rendered":"

laravel\u662f\u4e00\u6b3e\u6d41\u884c\u7684php\u6846\u67b6\uff0c\u5b83\u80fd\u591f\u5e2e\u52a9web\u5f00\u53d1\u8005\u8f7b\u677e\u6784\u5efa\u9ad8\u6548\u7684web\u5e94\u7528\u7a0b\u5e8f\u3002\u5728laravel\u4e2d\uff0c\u8fd4\u56de\u6307\u5b9a\u5217\u662f\u975e\u5e38\u5e38\u89c1\u7684\u9700\u6c42\u3002\u672c\u6587\u5c06\u4ecb\u7ecdlaravel\u5982\u4f55\u8fd4\u56de\u6307\u5b9a\u5217\u3002<\/p>\n

\u5728Laravel\u4e2d\uff0c\u5982\u679c\u60f3\u8981\u8fd4\u56de\u6307\u5b9a\u5217\uff0c\u53ef\u4ee5\u4f7f\u7528Eloquent\u6a21\u578b\u3002Eloquent\u662fLaravel\u7684ORM\uff08\u5bf9\u8c61\u5173\u7cfb\u6620\u5c04\uff09\u6846\u67b6\uff0c\u5b83\u4e3a\u6211\u4eec\u63d0\u4f9b\u4e86\u4e00\u79cd\u7b80\u5355\u3001\u4f18\u96c5\u7684\u65b9\u5f0f\u6765\u7ba1\u7406\u6570\u636e\u5e93\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528Eloquent\u6a21\u578b\u5982\u4f55\u8fd4\u56de\u6307\u5b9a\u5217\u7684\u6b65\u9aa4\uff1a<\/p>\n

\u6b65\u9aa4\u4e00\uff1a\u5b9a\u4e49Eloquent\u6a21\u578b<\/p>\n

\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b9a\u4e49\u4e00\u4e2aEloquent\u6a21\u578b\u3002\u5728Laravel\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u6240\u6709\u7684Eloquent\u6a21\u578b\u90fd\u4f4d\u4e8eapp\u76ee\u5f55\u4e0b\u7684Models\u6587\u4ef6\u5939\u4e2d\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528artisan\u547d\u4ee4\u884c\u5de5\u5177\u6765\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u6a21\u578b\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n

php artisan make:model User<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u8fd9\u5c06\u5728Models\u6587\u4ef6\u5939\u4e2d\u521b\u5efa\u4e00\u4e2a\u540d\u4e3aUser\u7684Eloquent\u6a21\u578b\u3002\u6211\u4eec\u53ef\u4ee5\u5728\u6b64\u6a21\u578b\u4e2d\u5b9a\u4e49\u6211\u4eec\u7684\u6570\u636e\u5e93\u8868\u548c\u5b57\u6bb5\u3002<\/p>\n
\u6b65\u9aa4\u4e8c\uff1a\u5b9a\u4e49\u6570\u636e\u5e93\u5b57\u6bb5<\/p>\n
\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u9700\u8981\u5728Eloquent\u6a21\u578b\u4e2d\u5b9a\u4e49\u6211\u4eec\u7684\u6570\u636e\u5e93\u8868\u548c\u5b57\u6bb5\u3002\u6211\u4eec\u53ef\u4ee5\u5728User\u6a21\u578b\u4e2d\u5b9a\u4e49\u6211\u4eec\u7684\u6570\u636e\u5e93\u8868\u548c\u5b57\u6bb5\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n
namespace AppModels;\n\nuse IlluminateDatabaseEloquentFactoriesHasFactory;\nuse IlluminateDatabaseEloquentModel;\n\nclass User extends Model\n{\n    use HasFactory;\n\n    protected $table = 'users';\n\n    protected $fillable = [\n        'name',\n        'email',\n        'password',\n    ];\n}<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7\u4f7f\u7528$table\u5c5e\u6027\u6765\u5b9a\u4e49\u6570\u636e\u5e93\u8868\u7684\u540d\u79f0\uff0c$fillable\u5c5e\u6027\u6765\u5b9a\u4e49\u53ef\u4ee5\u586b\u5145\u5230\u6570\u636e\u5e93\u7684\u5b57\u6bb5\u3002<\/p>\n
\u6b65\u9aa4\u4e09\uff1a\u8fd4\u56de\u6307\u5b9a\u5217<\/p>\n
\u73b0\u5728\uff0c\u6211\u4eec\u5df2\u7ecf\u5b9a\u4e49\u4e86Eloquent\u6a21\u578b\u548c\u6570\u636e\u5e93\u5b57\u6bb5\uff0c\u6211\u4eec\u53ea\u9700\u8981\u5728\u6211\u4eec\u7684\u63a7\u5236\u5668\u4e2d\u8c03\u7528\u6570\u636e\u5e93\u67e5\u8be2\uff0c\u5e76\u8fd4\u56de\u6307\u5b9a\u5217\u5373\u53ef\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6211\u4eec\u53ea\u60f3\u83b7\u53d6\u7528\u6237\u7684Email\u5730\u5740\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5728\u6211\u4eec\u7684\u63a7\u5236\u5668\u4e2d\u8c03\u7528\u5982\u4e0b\u4ee3\u7801\u6765\u5b9e\u73b0\uff1a<\/p>\n
namespace AppHttpControllers;\n\nuse AppModelsUser;\n\nclass UserController extends Controller\n{\n    public function index()\n    {\n        $users = User::select('email')-&gt;get();\n\n        return $users;\n    }\n}<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86select\u65b9\u6cd5\u6765\u9009\u62e9\u6211\u4eec\u8981\u8fd4\u56de\u7684\u5b57\u6bb5\u3002\u5728\u6211\u4eec\u7684\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u53ea\u9009\u62e9\u4e86email\u5b57\u6bb5\u3002\u6211\u4eec\u8fd8\u4f7f\u7528\u4e86get\u65b9\u6cd5\u6765\u83b7\u53d6\u6240\u6709\u7528\u6237\u7684Email\u5730\u5740\u3002\u6700\u540e\uff0c\u6211\u4eec\u5c06\u7ed3\u679c\u8fd4\u56de\u7ed9\u6211\u4eec\u7684\u89c6\u56fe\u6216\u8005\u4ee5JSON\u683c\u5f0f\u8fd4\u56de\u7ed9API\u3002<\/p>\n
\u9664\u4e86\u4f7f\u7528select\u65b9\u6cd5\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528pluck\u65b9\u6cd5\u6765\u53ea\u8fd4\u56de\u4e00\u4e2a\u7279\u5b9a\u7684\u5b57\u6bb5\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n
$email = User::pluck('email');<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u603b\u7ed3<\/p>\n
\u5728Laravel\u4e2d\uff0c\u4f7f\u7528Eloquent\u6a21\u578b\u53ef\u4ee5\u65b9\u4fbf\u5730\u8fd4\u56de\u6307\u5b9a\u7684\u5217\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528select\u65b9\u6cd5\u6765\u9009\u62e9\u6211\u4eec\u8981\u8fd4\u56de\u7684\u5b57\u6bb5\uff0c\u6216\u8005\u4f7f\u7528pluck\u65b9\u6cd5\u6765\u8fd4\u56de\u4e00\u4e2a\u7279\u5b9a\u7684\u5b57\u6bb5\u3002\u8fd9\u4f7f\u5f97Laravel\u5728\u5904\u7406\u5927\u578b\u6570\u636e\u8868\u65f6\u66f4\u52a0\u9ad8\u6548\uff0c\u5e76\u7b80\u5316\u4e86\u6211\u4eec\u7684\u4ee3\u7801\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662flaravel\u600e\u4e48\u8fd4\u56de\u6307\u5b9a\u5217\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\u6b3e\u6d41\u884c\u7684php\u6846\u67b6\uff0c\u5b83\u80fd\u591f\u5e2e\u52a9web\u5f00\u53d1\u8005\u8f7b\u677e\u6784\u5efa\u9ad8\u6548\u7684web\u5e94\u7528\u7a0b\u5e8f\u3002\u5728laravel\u4e2d\uff0c\u8fd4\u56de\u6307\u5b9a\u5217\u662f\u975e\u5e38\u5e38\u89c1\u7684\u9700\u6c42\u3002\u672c\u6587\u5c06\u4ecb\u7ecdlaravel\u5982\u4f55\u8fd4\u56de\u6307\u5b9a\u5217\u3002 \u5728Laravel\u4e2d\uff0c\u5982\u679c\u60f3\u8981\u8fd4\u56de\u6307\u5b9a\u5217\uff0c\u53ef\u4ee5\u4f7f\u7528Eloquent\u6a21\u578b\u3002Eloquent\u662fLaravel\u7684ORM\uff08\u5bf9\u8c61\u5173\u7cfb\u6620\u5c04\uff09\u6846\u67b6\uff0c\u5b83\u4e3a\u6211\u4eec\u63d0\u4f9b\u4e86\u4e00\u79cd\u7b80\u5355\u3001\u4f18\u96c5\u7684\u65b9\u5f0f\u6765\u7ba1\u7406\u6570\u636e\u5e93\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528Eloquent\u6a21\u578b\u5982\u4f55\u8fd4\u56de\u6307\u5b9a\u5217\u7684\u6b65\u9aa4\uff1a \u6b65\u9aa4\u4e00\uff1a\u5b9a\u4e49Eloquent\u6a21\u578b \u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b9a\u4e49\u4e00\u4e2aEloquent\u6a21\u578b\u3002\u5728Laravel\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u6240\u6709\u7684Eloquent\u6a21\u578b\u90fd\u4f4d\u4e8eapp\u76ee\u5f55\u4e0b\u7684Models\u6587\u4ef6\u5939\u4e2d\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528artisan\u547d\u4ee4\u884c\u5de5\u5177\u6765\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u6a21\u578b\uff0c\u5982\u4e0b\u6240\u793a\uff1a php artisan make:model User \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u5c06\u5728Models\u6587\u4ef6\u5939\u4e2d\u521b\u5efa\u4e00\u4e2a\u540d\u4e3aUser\u7684Eloquent\u6a21\u578b\u3002\u6211\u4eec\u53ef\u4ee5\u5728\u6b64\u6a21\u578b\u4e2d\u5b9a\u4e49\u6211\u4eec\u7684\u6570\u636e\u5e93\u8868\u548c\u5b57\u6bb5\u3002 \u6b65\u9aa4\u4e8c\uff1a\u5b9a\u4e49\u6570\u636e\u5e93\u5b57\u6bb5 \u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u9700\u8981\u5728Eloquent\u6a21\u578b\u4e2d\u5b9a\u4e49\u6211\u4eec\u7684\u6570\u636e\u5e93\u8868\u548c\u5b57\u6bb5\u3002\u6211\u4eec\u53ef\u4ee5\u5728User\u6a21\u578b\u4e2d\u5b9a\u4e49\u6211\u4eec\u7684\u6570\u636e\u5e93\u8868\u548c\u5b57\u6bb5\uff0c\u5982\u4e0b\u6240\u793a\uff1a namespace AppModels; use IlluminateDatabaseEloquentFactoriesHasFactory; use IlluminateDatabaseEloquentModel; class User extends Model { use HasFactory; protected $table = ‘users’; protected $fillable = [ ‘name’, ’email’, ‘password’, ]; } \u767b\u5f55\u540e\u590d\u5236 \u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7\u4f7f\u7528$table\u5c5e\u6027\u6765\u5b9a\u4e49\u6570\u636e\u5e93\u8868\u7684\u540d\u79f0\uff0c$fillable\u5c5e\u6027\u6765\u5b9a\u4e49\u53ef\u4ee5\u586b\u5145\u5230\u6570\u636e\u5e93\u7684\u5b57\u6bb5\u3002 \u6b65\u9aa4\u4e09\uff1a\u8fd4\u56de\u6307\u5b9a\u5217 \u73b0\u5728\uff0c\u6211\u4eec\u5df2\u7ecf\u5b9a\u4e49\u4e86Eloquent\u6a21\u578b\u548c\u6570\u636e\u5e93\u5b57\u6bb5\uff0c\u6211\u4eec\u53ea\u9700\u8981\u5728\u6211\u4eec\u7684\u63a7\u5236\u5668\u4e2d\u8c03\u7528\u6570\u636e\u5e93\u67e5\u8be2\uff0c\u5e76\u8fd4\u56de\u6307\u5b9a\u5217\u5373\u53ef\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6211\u4eec\u53ea\u60f3\u83b7\u53d6\u7528\u6237\u7684Email\u5730\u5740\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5728\u6211\u4eec\u7684\u63a7\u5236\u5668\u4e2d\u8c03\u7528\u5982\u4e0b\u4ee3\u7801\u6765\u5b9e\u73b0\uff1a namespace AppHttpControllers; use AppModelsUser; class UserController extends Controller { public function index() { […]<\/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-22634","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/22634","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=22634"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/22634\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=22634"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=22634"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=22634"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}