{"id":22971,"date":"2024-11-21T08:22:58","date_gmt":"2024-11-21T00:22:58","guid":{"rendered":"https:\/\/fwq.ai\/blog\/22971\/"},"modified":"2024-11-21T08:22:58","modified_gmt":"2024-11-21T00:22:58","slug":"laravel%e6%9f%a5%e8%af%a2%e6%95%b0%e6%8d%ae%e9%99%8d%e5%ba%8f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/22971\/","title":{"rendered":"laravel\u67e5\u8be2\u6570\u636e\u964d\u5e8f"},"content":{"rendered":"

laravel\u662f\u4e00\u4e2a\u6d41\u884c\u7684\u5f00\u6e90php\u6846\u67b6\uff0c\u88ab\u5e7f\u6cdb\u7528\u4e8e\u5f00\u53d1web\u5e94\u7528\u7a0b\u5e8f\u3002\u5982\u679c\u4f60\u6b63\u5728\u4f7f\u7528laravel\u5f00\u53d1\u5e94\u7528\u7a0b\u5e8f\u5e76\u9700\u8981\u67e5\u8be2\u6570\u636e\u964d\u5e8f\u6392\u5217\uff0c\u90a3\u4e48\u8fd9\u7bc7\u6587\u7ae0\u5c31\u662f\u4e3a\u4f60\u51c6\u5907\u7684\u3002<\/p>\n

\u5728Laravel\u4e2d\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528Eloquent ORM\u6216Query Builder\u6765\u67e5\u8be2\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u3002\u8fd9\u4e24\u79cd\u65b9\u6cd5\u90fd\u63d0\u4f9b\u4e86\u964d\u5e8f\u6392\u5217\u67e5\u8be2\u7684\u7b80\u5355\u65b9\u6cd5\u3002<\/p>\n

\u4f7f\u7528Eloquent ORM\u67e5\u8be2\u6570\u636e\u964d\u5e8f<\/p>\n

Eloquent ORM\u662fLaravel\u4e2d\u7684\u4e00\u79cd\u5bf9\u8c61\u5173\u7cfb\u6620\u5c04\uff08ORM\uff09\u6280\u672f\uff0c\u5b83\u53ef\u4ee5\u5e2e\u52a9\u4f60\u5c06\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u6620\u5c04\u5230PHP\u5bf9\u8c61\u4e2d\uff0c\u4ece\u800c\u66f4\u5bb9\u6613\u5730\u5bf9\u6570\u636e\u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n

\u5982\u679c\u4f60\u60f3\u4f7f\u7528Eloquent ORM\u67e5\u8be2\u6570\u636e\u964d\u5e8f\u6392\u5217\uff0c\u53ef\u4ee5\u5728\u67e5\u8be2\u65b9\u6cd5\u540e\u8c03\u7528orderByDesc()\u65b9\u6cd5\uff0c\u8be5\u65b9\u6cd5\u5c06\u6309\u7167\u6307\u5b9a\u7684\u5217\u5bf9\u7ed3\u679c\u96c6\u8fdb\u884c\u964d\u5e8f\u6392\u5217\u3002<\/p>\n

\u5047\u8bbe\u4f60\u6709\u4e00\u4e2a\u540d\u4e3a”users”\u7684\u6570\u636e\u5e93\u8868\uff0c\u5176\u4e2d\u5305\u542b\u4e86\u7528\u6237\u7684ID\u3001\u59d3\u540d\u548c\u6ce8\u518c\u65f6\u95f4\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528Eloquent ORM\u67e5\u8be2\u6570\u636e\u964d\u5e8f\u6392\u5217\u7684\u793a\u4f8b\uff1a<\/p>\n

$users = AppUser::orderByDesc('created_at')-&gt;get();<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u6b64\u67e5\u8be2\u5c06\u6309\u7167”created_at”\u5217\u5bf9”users”\u8868\u8fdb\u884c\u964d\u5e8f\u6392\u5217\u5e76\u8fd4\u56de\u7ed3\u679c\u96c6\u3002<\/p>\n
\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0corderByDesc()\u65b9\u6cd5\u53ea\u9002\u7528\u4e8eEloquent ORM\u67e5\u8be2\uff0c\u5982\u679c\u4f60\u4f7f\u7528Query Builder\u6765\u67e5\u8be2\u6570\u636e\uff0c\u5219\u9700\u8981\u4f7f\u7528orderBy()\u65b9\u6cd5\u5e76\u4f20\u9012”desc”\u53c2\u6570\u3002<\/p>\n
\u4f7f\u7528Query Builder\u67e5\u8be2\u6570\u636e\u964d\u5e8f<\/p>\n
Query Builder\u662fLaravel\u4e2d\u7684\u53e6\u4e00\u79cd\u67e5\u8be2\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5728\u4e0d\u4f7f\u7528ORM\u7684\u60c5\u51b5\u4e0b\u76f4\u63a5\u67e5\u8be2\u6570\u636e\u5e93\u3002<\/p>\n
\u5982\u679c\u4f60\u60f3\u4f7f\u7528Query Builder\u67e5\u8be2\u6570\u636e\u964d\u5e8f\u6392\u5217\uff0c\u53ef\u4ee5\u5728\u67e5\u8be2\u65b9\u6cd5\u540e\u8c03\u7528orderBy()\u65b9\u6cd5\uff0c\u5e76\u5728\u53c2\u6570\u4e2d\u4f20\u9012\u4f60\u60f3\u8981\u8fdb\u884c\u964d\u5e8f\u6392\u5217\u7684\u5217\u540d\u4ee5\u53ca”desc”\u5173\u952e\u5b57\u3002<\/p>\n
\u4ee5\u4e0b\u662f\u4e00\u4e2aQuery Builder\u964d\u5e8f\u6392\u5217\u67e5\u8be2\u7684\u793a\u4f8b\uff1a<\/p>\n
$users = DB::table('users')\n            -&gt;orderBy('created_at', 'desc')\n            -&gt;get();<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u6b64\u67e5\u8be2\u5c06\u6309\u7167”created_at”\u5217\u5bf9”users”\u8868\u8fdb\u884c\u964d\u5e8f\u6392\u5217\u5e76\u8fd4\u56de\u7ed3\u679c\u96c6\u3002<\/p>\n
\u4f7f\u7528orderBy()\u65b9\u6cd5\u4e5f\u53ef\u4ee5\u8fdb\u884c\u5347\u5e8f\u67e5\u8be2\uff0c\u53ea\u9700\u5c06”desc”\u53c2\u6570\u66f4\u6539\u4e3a”asc”\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0corderBy()\u65b9\u6cd5\u4ee5\u5347\u5e8f\u65b9\u5f0f\u8fdb\u884c\u67e5\u8be2\u3002<\/p>\n
\u7ed3\u8bba<\/p>\n
\u65e0\u8bba\u4f60\u662f\u4f7f\u7528Eloquent ORM\u8fd8\u662fQuery Builder\u6765\u67e5\u8be2\u6570\u636e\uff0cLaravel\u90fd\u63d0\u4f9b\u4e86\u7b80\u5355\u7684\u65b9\u6cd5\u6765\u8fdb\u884c\u964d\u5e8f\u6392\u5217\u3002\u901a\u8fc7\u5b66\u4e60\u672c\u6587\u63d0\u4f9b\u7684\u65b9\u6cd5\uff0c\u4f60\u53ef\u4ee5\u8f7b\u677e\u5730\u5bf9\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u8fdb\u884c\u6392\u5e8f\uff0c\u4ece\u800c\u66f4\u597d\u5730\u6ee1\u8db3\u5e94\u7528\u7a0b\u5e8f\u7684\u8981\u6c42\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662flaravel\u67e5\u8be2\u6570\u636e\u964d\u5e8f\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\u7684\u5f00\u6e90php\u6846\u67b6\uff0c\u88ab\u5e7f\u6cdb\u7528\u4e8e\u5f00\u53d1web\u5e94\u7528\u7a0b\u5e8f\u3002\u5982\u679c\u4f60\u6b63\u5728\u4f7f\u7528laravel\u5f00\u53d1\u5e94\u7528\u7a0b\u5e8f\u5e76\u9700\u8981\u67e5\u8be2\u6570\u636e\u964d\u5e8f\u6392\u5217\uff0c\u90a3\u4e48\u8fd9\u7bc7\u6587\u7ae0\u5c31\u662f\u4e3a\u4f60\u51c6\u5907\u7684\u3002 \u5728Laravel\u4e2d\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528Eloquent ORM\u6216Query Builder\u6765\u67e5\u8be2\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u3002\u8fd9\u4e24\u79cd\u65b9\u6cd5\u90fd\u63d0\u4f9b\u4e86\u964d\u5e8f\u6392\u5217\u67e5\u8be2\u7684\u7b80\u5355\u65b9\u6cd5\u3002 \u4f7f\u7528Eloquent ORM\u67e5\u8be2\u6570\u636e\u964d\u5e8f Eloquent ORM\u662fLaravel\u4e2d\u7684\u4e00\u79cd\u5bf9\u8c61\u5173\u7cfb\u6620\u5c04\uff08ORM\uff09\u6280\u672f\uff0c\u5b83\u53ef\u4ee5\u5e2e\u52a9\u4f60\u5c06\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u6620\u5c04\u5230PHP\u5bf9\u8c61\u4e2d\uff0c\u4ece\u800c\u66f4\u5bb9\u6613\u5730\u5bf9\u6570\u636e\u8fdb\u884c\u64cd\u4f5c\u3002 \u5982\u679c\u4f60\u60f3\u4f7f\u7528Eloquent ORM\u67e5\u8be2\u6570\u636e\u964d\u5e8f\u6392\u5217\uff0c\u53ef\u4ee5\u5728\u67e5\u8be2\u65b9\u6cd5\u540e\u8c03\u7528orderByDesc()\u65b9\u6cd5\uff0c\u8be5\u65b9\u6cd5\u5c06\u6309\u7167\u6307\u5b9a\u7684\u5217\u5bf9\u7ed3\u679c\u96c6\u8fdb\u884c\u964d\u5e8f\u6392\u5217\u3002 \u5047\u8bbe\u4f60\u6709\u4e00\u4e2a\u540d\u4e3a”users”\u7684\u6570\u636e\u5e93\u8868\uff0c\u5176\u4e2d\u5305\u542b\u4e86\u7528\u6237\u7684ID\u3001\u59d3\u540d\u548c\u6ce8\u518c\u65f6\u95f4\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528Eloquent ORM\u67e5\u8be2\u6570\u636e\u964d\u5e8f\u6392\u5217\u7684\u793a\u4f8b\uff1a $users = AppUser::orderByDesc(‘created_at’)-&gt;get(); \u767b\u5f55\u540e\u590d\u5236 \u6b64\u67e5\u8be2\u5c06\u6309\u7167”created_at”\u5217\u5bf9”users”\u8868\u8fdb\u884c\u964d\u5e8f\u6392\u5217\u5e76\u8fd4\u56de\u7ed3\u679c\u96c6\u3002 \u9700\u8981\u6ce8\u610f\u7684\u662f\uff0corderByDesc()\u65b9\u6cd5\u53ea\u9002\u7528\u4e8eEloquent ORM\u67e5\u8be2\uff0c\u5982\u679c\u4f60\u4f7f\u7528Query Builder\u6765\u67e5\u8be2\u6570\u636e\uff0c\u5219\u9700\u8981\u4f7f\u7528orderBy()\u65b9\u6cd5\u5e76\u4f20\u9012”desc”\u53c2\u6570\u3002 \u4f7f\u7528Query Builder\u67e5\u8be2\u6570\u636e\u964d\u5e8f Query Builder\u662fLaravel\u4e2d\u7684\u53e6\u4e00\u79cd\u67e5\u8be2\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5728\u4e0d\u4f7f\u7528ORM\u7684\u60c5\u51b5\u4e0b\u76f4\u63a5\u67e5\u8be2\u6570\u636e\u5e93\u3002 \u5982\u679c\u4f60\u60f3\u4f7f\u7528Query Builder\u67e5\u8be2\u6570\u636e\u964d\u5e8f\u6392\u5217\uff0c\u53ef\u4ee5\u5728\u67e5\u8be2\u65b9\u6cd5\u540e\u8c03\u7528orderBy()\u65b9\u6cd5\uff0c\u5e76\u5728\u53c2\u6570\u4e2d\u4f20\u9012\u4f60\u60f3\u8981\u8fdb\u884c\u964d\u5e8f\u6392\u5217\u7684\u5217\u540d\u4ee5\u53ca”desc”\u5173\u952e\u5b57\u3002 \u4ee5\u4e0b\u662f\u4e00\u4e2aQuery Builder\u964d\u5e8f\u6392\u5217\u67e5\u8be2\u7684\u793a\u4f8b\uff1a $users = DB::table(‘users’) -&gt;orderBy(‘created_at’, ‘desc’) -&gt;get(); \u767b\u5f55\u540e\u590d\u5236 \u6b64\u67e5\u8be2\u5c06\u6309\u7167”created_at”\u5217\u5bf9”users”\u8868\u8fdb\u884c\u964d\u5e8f\u6392\u5217\u5e76\u8fd4\u56de\u7ed3\u679c\u96c6\u3002 \u4f7f\u7528orderBy()\u65b9\u6cd5\u4e5f\u53ef\u4ee5\u8fdb\u884c\u5347\u5e8f\u67e5\u8be2\uff0c\u53ea\u9700\u5c06”desc”\u53c2\u6570\u66f4\u6539\u4e3a”asc”\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0corderBy()\u65b9\u6cd5\u4ee5\u5347\u5e8f\u65b9\u5f0f\u8fdb\u884c\u67e5\u8be2\u3002 \u7ed3\u8bba \u65e0\u8bba\u4f60\u662f\u4f7f\u7528Eloquent ORM\u8fd8\u662fQuery Builder\u6765\u67e5\u8be2\u6570\u636e\uff0cLaravel\u90fd\u63d0\u4f9b\u4e86\u7b80\u5355\u7684\u65b9\u6cd5\u6765\u8fdb\u884c\u964d\u5e8f\u6392\u5217\u3002\u901a\u8fc7\u5b66\u4e60\u672c\u6587\u63d0\u4f9b\u7684\u65b9\u6cd5\uff0c\u4f60\u53ef\u4ee5\u8f7b\u677e\u5730\u5bf9\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u8fdb\u884c\u6392\u5e8f\uff0c\u4ece\u800c\u66f4\u597d\u5730\u6ee1\u8db3\u5e94\u7528\u7a0b\u5e8f\u7684\u8981\u6c42\u3002 \u4ee5\u4e0a\u5c31\u662flaravel\u67e5\u8be2\u6570\u636e\u964d\u5e8f\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-22971","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/22971","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=22971"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/22971\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=22971"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=22971"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=22971"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}