{"id":22653,"date":"2024-11-21T11:49:27","date_gmt":"2024-11-21T03:49:27","guid":{"rendered":"https:\/\/fwq.ai\/blog\/22653\/"},"modified":"2024-11-21T11:49:27","modified_gmt":"2024-11-21T03:49:27","slug":"laravel-%e6%9f%a5%e8%af%a2%e8%8e%b7%e5%8f%96%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/22653\/","title":{"rendered":"laravel \u67e5\u8be2\u83b7\u53d6\u6570\u7ec4"},"content":{"rendered":"

laravel\u662f\u4e00\u6b3e\u6d41\u884c\u7684php web\u5e94\u7528\u7a0b\u5e8f\u6846\u67b6\u3002\u5b83\u63d0\u4f9b\u4e86\u8bb8\u591a\u5de5\u5177\u548c\u51fd\u6570\uff0c\u53ef\u4ee5\u8f7b\u677e\u5730\u5904\u7406\u6570\u636e\u5e93\u67e5\u8be2\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u5728laravel\u4e2d\u4f7f\u7528\u67e5\u8be2\u6765\u83b7\u53d6\u6570\u7ec4\u3002<\/p>\n

\u5728Laravel\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528DB\u7c7b\u6765\u6267\u884c\u6570\u636e\u5e93\u67e5\u8be2\u3002\u8be5\u7c7b\u63d0\u4f9b\u4e86\u8bb8\u591a\u4fbf\u6377\u7684\u51fd\u6570\uff0c\u7528\u4e8e\u6267\u884c\u5404\u79cd\u7c7b\u578b\u7684\u67e5\u8be2\u3002\u53ef\u4ee5\u4f7f\u7528DB::table()\u51fd\u6570\u83b7\u53d6\u4e00\u4e2a\u67e5\u8be2\u6784\u5efa\u5668\uff0c\u4f7f\u7528\u5b83\u6765\u6784\u5efa\u590d\u6742\u7684\u67e5\u8be2\u3002<\/p>\n

\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528\u67e5\u8be2\u6784\u5efa\u5668\u4ece\u6570\u636e\u5e93\u4e2d\u83b7\u53d6\u4e00\u4e2a\u6570\u7ec4\uff1a<\/p>\n

$users = DB::table(‘users’)->pluck(‘name’);<\/p>\n

\u5728\u4ee5\u4e0a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7\u4f7f\u7528pluck()\u51fd\u6570\u6765\u83b7\u53d6\u4eceusers\u8868\u4e2d\u83b7\u53d6name\u5b57\u6bb5\u7684\u6570\u7ec4\u3002\u6211\u4eec\u4f7f\u7528DB::table()\u51fd\u6570\u83b7\u53d6\u4e86\u4e00\u4e2a\u67e5\u8be2\u6784\u5efa\u5668\uff0c\u7136\u540e\u4f7f\u7528\u5b83\u6765\u6784\u5efa\u67e5\u8be2\u3002<\/p>\n

\u4ee5\u4e0b\u662f\u53e6\u4e00\u4e2a\u793a\u4f8b\uff0c\u5b83\u5c55\u793a\u5982\u4f55\u4f7f\u7528\u67e5\u8be2\u6784\u5efa\u5668\u6765\u83b7\u53d6\u591a\u4e2a\u5b57\u6bb5\u7684\u6570\u7ec4\uff1a<\/p>\n

$users = DB::table(‘users’)->select(‘name’, ’email’)->get();<\/p>\n

\u5728\u4ee5\u4e0a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528select()\u51fd\u6570\u6765\u6307\u5b9a\u6211\u4eec\u8981\u83b7\u53d6\u7684\u5b57\u6bb5\u3002\u7136\u540e\u4f7f\u7528get()\u51fd\u6570\u6765\u6267\u884c\u67e5\u8be2\u5e76\u8fd4\u56de\u7ed3\u679c\u6570\u7ec4\u3002<\/p>\n

\u5f53\u7136\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u5728\u67e5\u8be2\u4e2d\u4f7f\u7528\u7ea6\u675f\u6761\u4ef6\uff0c\u4f8b\u5982\u4f7f\u7528where()\u51fd\u6570\u6765\u9650\u5236\u67e5\u8be2\u7ed3\u679c\uff1a<\/p>\n

$users = DB::table(‘users’)->where(‘name’, ‘John’)->get();<\/p>\n

\u5728\u4ee5\u4e0a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528where()\u51fd\u6570\u6765\u7ea6\u675f\u67e5\u8be2\uff0c\u53ea\u8fd4\u56dename\u5b57\u6bb5\u503c\u4e3aJohn\u7684\u884c\u3002<\/p>\n

\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528orderBy()\u51fd\u6570\u5bf9\u7ed3\u679c\u8fdb\u884c\u6392\u5e8f\uff1a<\/p>\n

$users = DB::table(‘users’)->orderBy(‘name’, ‘desc’)->get();<\/p>\n

\u5728\u4ee5\u4e0a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528orderBy()\u51fd\u6570\u5c06\u7ed3\u679c\u6309\u7167name\u5b57\u6bb5\u8fdb\u884c\u5012\u5e8f\u6392\u5e8f\u3002<\/p>\n

\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u4e0a\u8ff0\u793a\u4f8b\u4e2d\u7684get()\u51fd\u6570\u8fd4\u56de\u7684\u662f\u4e00\u4e2a\u6570\u7ec4\u5bf9\u8c61\u3002\u5982\u679c\u8981\u5c06\u6570\u7ec4\u8f6c\u5316\u4e3a\u666e\u901a\u7684PHP\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528toArray()\u51fd\u6570\uff1a<\/p>\n

$users = DB::table(‘users’)->select(‘name’, ’email’)->get()->toArray();<\/p>\n

\u5728\u4ee5\u4e0a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5728get()\u51fd\u6570\u540e\u4f7f\u7528toArray()\u51fd\u6570\uff0c\u5c06\u83b7\u53d6\u5230\u7684\u5bf9\u8c61\u8f6c\u5316\u4e3a\u666e\u901a\u7684PHP\u6570\u7ec4\u3002<\/p>\n

\u603b\u7ed3\u4e00\u4e0b\uff0c\u4ee5\u4e0a\u662f\u4f7f\u7528Laravel\u67e5\u8be2\u6784\u5efa\u5668\u83b7\u53d6\u6570\u7ec4\u7684\u4e00\u4e9b\u793a\u4f8b\u3002\u8fd9\u4e9b\u51fd\u6570\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u8f7b\u677e\u5730\u6784\u5efa\u590d\u6742\u7684\u67e5\u8be2\uff0c\u4ee5\u83b7\u53d6\u6211\u4eec\u9700\u8981\u7684\u6570\u636e\u3002Laravel\u5f3a\u5927\u7684\u67e5\u8be2\u529f\u80fd\u662f\u8fd9\u4e2a\u6846\u67b6\u53d7\u5230\u5e7f\u6cdb\u6b22\u8fce\u7684\u91cd\u8981\u539f\u56e0\u4e4b\u4e00\u3002<\/p>\n

\u4ee5\u4e0a\u5c31\u662flaravel \u67e5\u8be2\u83b7\u53d6\u6570\u7ec4\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 web\u5e94\u7528\u7a0b\u5e8f\u6846\u67b6\u3002\u5b83\u63d0\u4f9b\u4e86\u8bb8\u591a\u5de5\u5177\u548c\u51fd\u6570\uff0c\u53ef\u4ee5\u8f7b\u677e\u5730\u5904\u7406\u6570\u636e\u5e93\u67e5\u8be2\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u5728laravel\u4e2d\u4f7f\u7528\u67e5\u8be2\u6765\u83b7\u53d6\u6570\u7ec4\u3002 \u5728Laravel\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528DB\u7c7b\u6765\u6267\u884c\u6570\u636e\u5e93\u67e5\u8be2\u3002\u8be5\u7c7b\u63d0\u4f9b\u4e86\u8bb8\u591a\u4fbf\u6377\u7684\u51fd\u6570\uff0c\u7528\u4e8e\u6267\u884c\u5404\u79cd\u7c7b\u578b\u7684\u67e5\u8be2\u3002\u53ef\u4ee5\u4f7f\u7528DB::table()\u51fd\u6570\u83b7\u53d6\u4e00\u4e2a\u67e5\u8be2\u6784\u5efa\u5668\uff0c\u4f7f\u7528\u5b83\u6765\u6784\u5efa\u590d\u6742\u7684\u67e5\u8be2\u3002 \u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528\u67e5\u8be2\u6784\u5efa\u5668\u4ece\u6570\u636e\u5e93\u4e2d\u83b7\u53d6\u4e00\u4e2a\u6570\u7ec4\uff1a $users = DB::table(‘users’)->pluck(‘name’); \u5728\u4ee5\u4e0a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7\u4f7f\u7528pluck()\u51fd\u6570\u6765\u83b7\u53d6\u4eceusers\u8868\u4e2d\u83b7\u53d6name\u5b57\u6bb5\u7684\u6570\u7ec4\u3002\u6211\u4eec\u4f7f\u7528DB::table()\u51fd\u6570\u83b7\u53d6\u4e86\u4e00\u4e2a\u67e5\u8be2\u6784\u5efa\u5668\uff0c\u7136\u540e\u4f7f\u7528\u5b83\u6765\u6784\u5efa\u67e5\u8be2\u3002 \u4ee5\u4e0b\u662f\u53e6\u4e00\u4e2a\u793a\u4f8b\uff0c\u5b83\u5c55\u793a\u5982\u4f55\u4f7f\u7528\u67e5\u8be2\u6784\u5efa\u5668\u6765\u83b7\u53d6\u591a\u4e2a\u5b57\u6bb5\u7684\u6570\u7ec4\uff1a $users = DB::table(‘users’)->select(‘name’, ’email’)->get(); \u5728\u4ee5\u4e0a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528select()\u51fd\u6570\u6765\u6307\u5b9a\u6211\u4eec\u8981\u83b7\u53d6\u7684\u5b57\u6bb5\u3002\u7136\u540e\u4f7f\u7528get()\u51fd\u6570\u6765\u6267\u884c\u67e5\u8be2\u5e76\u8fd4\u56de\u7ed3\u679c\u6570\u7ec4\u3002 \u5f53\u7136\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u5728\u67e5\u8be2\u4e2d\u4f7f\u7528\u7ea6\u675f\u6761\u4ef6\uff0c\u4f8b\u5982\u4f7f\u7528where()\u51fd\u6570\u6765\u9650\u5236\u67e5\u8be2\u7ed3\u679c\uff1a $users = DB::table(‘users’)->where(‘name’, ‘John’)->get(); \u5728\u4ee5\u4e0a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528where()\u51fd\u6570\u6765\u7ea6\u675f\u67e5\u8be2\uff0c\u53ea\u8fd4\u56dename\u5b57\u6bb5\u503c\u4e3aJohn\u7684\u884c\u3002 \u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528orderBy()\u51fd\u6570\u5bf9\u7ed3\u679c\u8fdb\u884c\u6392\u5e8f\uff1a $users = DB::table(‘users’)->orderBy(‘name’, ‘desc’)->get(); \u5728\u4ee5\u4e0a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528orderBy()\u51fd\u6570\u5c06\u7ed3\u679c\u6309\u7167name\u5b57\u6bb5\u8fdb\u884c\u5012\u5e8f\u6392\u5e8f\u3002 \u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u4e0a\u8ff0\u793a\u4f8b\u4e2d\u7684get()\u51fd\u6570\u8fd4\u56de\u7684\u662f\u4e00\u4e2a\u6570\u7ec4\u5bf9\u8c61\u3002\u5982\u679c\u8981\u5c06\u6570\u7ec4\u8f6c\u5316\u4e3a\u666e\u901a\u7684PHP\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528toArray()\u51fd\u6570\uff1a $users = DB::table(‘users’)->select(‘name’, ’email’)->get()->toArray(); \u5728\u4ee5\u4e0a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5728get()\u51fd\u6570\u540e\u4f7f\u7528toArray()\u51fd\u6570\uff0c\u5c06\u83b7\u53d6\u5230\u7684\u5bf9\u8c61\u8f6c\u5316\u4e3a\u666e\u901a\u7684PHP\u6570\u7ec4\u3002 \u603b\u7ed3\u4e00\u4e0b\uff0c\u4ee5\u4e0a\u662f\u4f7f\u7528Laravel\u67e5\u8be2\u6784\u5efa\u5668\u83b7\u53d6\u6570\u7ec4\u7684\u4e00\u4e9b\u793a\u4f8b\u3002\u8fd9\u4e9b\u51fd\u6570\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u8f7b\u677e\u5730\u6784\u5efa\u590d\u6742\u7684\u67e5\u8be2\uff0c\u4ee5\u83b7\u53d6\u6211\u4eec\u9700\u8981\u7684\u6570\u636e\u3002Laravel\u5f3a\u5927\u7684\u67e5\u8be2\u529f\u80fd\u662f\u8fd9\u4e2a\u6846\u67b6\u53d7\u5230\u5e7f\u6cdb\u6b22\u8fce\u7684\u91cd\u8981\u539f\u56e0\u4e4b\u4e00\u3002 \u4ee5\u4e0a\u5c31\u662flaravel \u67e5\u8be2\u83b7\u53d6\u6570\u7ec4\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/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-22653","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/22653","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=22653"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/22653\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=22653"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=22653"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=22653"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}