{"id":23047,"date":"2024-11-21T11:09:33","date_gmt":"2024-11-21T03:09:33","guid":{"rendered":"https:\/\/fwq.ai\/blog\/23047\/"},"modified":"2024-11-21T11:09:33","modified_gmt":"2024-11-21T03:09:33","slug":"laravel-%e6%9f%a5%e8%af%a2%e6%9f%90%e4%ba%9b%e5%ad%97%e6%ae%b5","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/23047\/","title":{"rendered":"laravel \u67e5\u8be2\u67d0\u4e9b\u5b57\u6bb5"},"content":{"rendered":"<p>laravel\u662f\u4e00\u4e2a\u6d41\u884c\u7684php web\u5f00\u53d1\u6846\u67b6\uff0c\u5b83\u63d0\u4f9b\u4e86\u8bb8\u591a\u4fbf\u6377\u7684\u529f\u80fd\u548c\u5de5\u5177\u6765\u7b80\u5316\u5f00\u53d1\u6d41\u7a0b\u3002\u5176\u4e2d\u4e00\u4e2a\u6700\u5e38\u7528\u7684\u529f\u80fd\u662f\u67e5\u8be2\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u5728laravel\u4e2d\u67e5\u8be2\u67d0\u4e9b\u5b57\u6bb5\u3002<\/p>\n<p>\u9996\u5148\uff0c\u8ba9\u6211\u4eec\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u540d\u4e3a\u201cusers\u201d\u7684\u8868\uff0c\u5176\u4e2d\u5305\u542b\u4ee5\u4e0b\u5b57\u6bb5\uff1aid\u3001name\u3001email\u3001password\u3001created_at \u548c updated_at\u3002\u73b0\u5728\u6211\u4eec\u8981\u67e5\u8be2\u6240\u6709\u7528\u6237\u7684\u540d\u79f0\u548c\u7535\u5b50\u90ae\u4ef6\uff0c\u4ee5\u4fbf\u5c06\u8fd9\u4e9b\u4fe1\u606f\u5c55\u793a\u5728\u7f51\u7ad9\u7684\u7528\u6237\u5217\u8868\u4e0a\u3002<\/p>\n<p>\u5728Laravel\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528Eloquent ORM\u6765\u4e0e\u6570\u636e\u5e93\u8fdb\u884c\u4ea4\u4e92\u3002ORM\u4ee3\u8868\u5bf9\u8c61\u5173\u7cfb\u6620\u5c04\uff0c\u5b83\u5141\u8bb8\u6211\u4eec\u4f7f\u7528PHP\u5bf9\u8c61\u6765\u8868\u793a\u6570\u636e\u5e93\u8868\u4e2d\u7684\u884c\u3002\u8981\u67e5\u8be2\u67d0\u4e9b\u5b57\u6bb5\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Eloquent\u7684select\u65b9\u6cd5\u3002<\/p>\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff0c\u6f14\u793a\u5982\u4f55\u67e5\u8be2\u201cusers\u201d\u8868\u4e2d\u6240\u6709\u7528\u6237\u7684\u540d\u79f0\u548c\u7535\u5b50\u90ae\u4ef6\uff1a<\/p>\n<pre>use AppUser;\n\n$users = User::select('name', 'email')-&amp;gt;get();\n\nforeach ($users as $user) {\n    echo $user-&amp;gt;name . ' - ' . $user-&amp;gt;email . '&lt;br&gt;';\n}<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86User\u6a21\u578b\u7c7b\u6765\u67e5\u8be2\u6570\u636e\u5e93\u3002\u9996\u5148\uff0c\u6211\u4eec\u4f7f\u7528select\u65b9\u6cd5\u6765\u6307\u5b9a\u6211\u4eec\u8981\u67e5\u8be2\u7684\u5b57\u6bb5\uff0c\u7136\u540e\u4f7f\u7528get\u65b9\u6cd5\u6765\u83b7\u53d6\u7ed3\u679c\u3002\u6700\u540e\uff0c\u6211\u4eec\u4f7f\u7528foreach\u5faa\u73af\u6765\u904d\u5386\u7ed3\u679c\uff0c\u5e76\u8f93\u51fa\u6bcf\u4e2a\u7528\u6237\u7684\u540d\u79f0\u548c\u7535\u5b50\u90ae\u4ef6\u3002<\/p>\n<p>\u5982\u679c\u60a8\u8981\u67e5\u8be2\u591a\u4e2a\u8868\uff0c\u5e76\u4e14\u8fd9\u4e9b\u8868\u4e2d\u6709\u76f8\u540c\u7684\u5b57\u6bb5\u540d\u79f0\uff0c\u90a3\u4e48\u60a8\u9700\u8981\u4f7f\u7528\u8868\u522b\u540d\u6765\u533a\u5206\u5b83\u4eec\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff0c\u6f14\u793a\u5982\u4f55\u67e5\u8be2\u201cusers\u201d\u8868\u548c\u201corders\u201d\u8868\u4e2d\u6240\u6709\u7528\u6237\u7684\u540d\u79f0\u548c\u8ba2\u5355\u53f7\u7801\uff1a<\/p>\n<pre>use AppUser;\nuse AppOrder;\n\n$users = User::select('users.name', 'orders.order_number')\n            -&amp;gt;join('orders', 'users.id', '=', 'orders.user_id')\n            -&amp;gt;get();\n\nforeach ($users as $user) {\n    echo $user-&amp;gt;name . ' - ' . $user-&amp;gt;order_number . '&lt;br&gt;';\n}<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86join\u65b9\u6cd5\u6765\u8fde\u63a5\u201cusers\u201d\u8868\u548c\u201corders\u201d\u8868\uff0c\u5e76\u4f7f\u7528select\u65b9\u6cd5\u6765\u6307\u5b9a\u67e5\u8be2\u5b57\u6bb5\u3002\u6211\u4eec\u4f7f\u7528\u4e86\u8868\u522b\u540d\u201cusers\u201d\u548c\u201corders\u201d\uff0c\u4ee5\u533a\u5206\u8fd9\u4e24\u4e2a\u8868\u4e2d\u5177\u6709\u76f8\u540c\u540d\u79f0\u7684\u5b57\u6bb5\u3002<\/p>\n<p>\u603b\u4e4b\uff0c\u5728Laravel\u4e2d\u67e5\u8be2\u67d0\u4e9b\u5b57\u6bb5\u662f\u975e\u5e38\u7b80\u5355\u7684\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528Eloquent ORM\u63d0\u4f9b\u7684select\u65b9\u6cd5\u6765\u67e5\u8be2\u6307\u5b9a\u7684\u5b57\u6bb5\uff0c\u751a\u81f3\u53ef\u4ee5\u8fde\u63a5\u591a\u4e2a\u8868\u6765\u83b7\u53d6\u6240\u9700\u7684\u7ed3\u679c\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662flaravel \u67e5\u8be2\u67d0\u4e9b\u5b57\u6bb5\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\u4e2a\u6d41\u884c\u7684php web\u5f00\u53d1\u6846\u67b6\uff0c\u5b83\u63d0\u4f9b\u4e86\u8bb8\u591a\u4fbf\u6377\u7684\u529f\u80fd\u548c\u5de5\u5177\u6765\u7b80\u5316\u5f00\u53d1\u6d41\u7a0b\u3002\u5176\u4e2d\u4e00\u4e2a\u6700\u5e38\u7528\u7684\u529f\u80fd\u662f\u67e5\u8be2\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u5728laravel\u4e2d\u67e5\u8be2\u67d0\u4e9b\u5b57\u6bb5\u3002 \u9996\u5148\uff0c\u8ba9\u6211\u4eec\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u540d\u4e3a\u201cusers\u201d\u7684\u8868\uff0c\u5176\u4e2d\u5305\u542b\u4ee5\u4e0b\u5b57\u6bb5\uff1aid\u3001name\u3001email\u3001password\u3001created_at \u548c updated_at\u3002\u73b0\u5728\u6211\u4eec\u8981\u67e5\u8be2\u6240\u6709\u7528\u6237\u7684\u540d\u79f0\u548c\u7535\u5b50\u90ae\u4ef6\uff0c\u4ee5\u4fbf\u5c06\u8fd9\u4e9b\u4fe1\u606f\u5c55\u793a\u5728\u7f51\u7ad9\u7684\u7528\u6237\u5217\u8868\u4e0a\u3002 \u5728Laravel\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528Eloquent ORM\u6765\u4e0e\u6570\u636e\u5e93\u8fdb\u884c\u4ea4\u4e92\u3002ORM\u4ee3\u8868\u5bf9\u8c61\u5173\u7cfb\u6620\u5c04\uff0c\u5b83\u5141\u8bb8\u6211\u4eec\u4f7f\u7528PHP\u5bf9\u8c61\u6765\u8868\u793a\u6570\u636e\u5e93\u8868\u4e2d\u7684\u884c\u3002\u8981\u67e5\u8be2\u67d0\u4e9b\u5b57\u6bb5\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Eloquent\u7684select\u65b9\u6cd5\u3002 \u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff0c\u6f14\u793a\u5982\u4f55\u67e5\u8be2\u201cusers\u201d\u8868\u4e2d\u6240\u6709\u7528\u6237\u7684\u540d\u79f0\u548c\u7535\u5b50\u90ae\u4ef6\uff1a use AppUser; $users = User::select(&#8216;name&#8217;, &#8217;email&#8217;)-&amp;gt;get(); foreach ($users as $user) { echo $user-&amp;gt;name . &#8216; &#8211; &#8216; . $user-&amp;gt;email . &#8216;&lt;br&gt;&#8217;; } \u767b\u5f55\u540e\u590d\u5236 \u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86User\u6a21\u578b\u7c7b\u6765\u67e5\u8be2\u6570\u636e\u5e93\u3002\u9996\u5148\uff0c\u6211\u4eec\u4f7f\u7528select\u65b9\u6cd5\u6765\u6307\u5b9a\u6211\u4eec\u8981\u67e5\u8be2\u7684\u5b57\u6bb5\uff0c\u7136\u540e\u4f7f\u7528get\u65b9\u6cd5\u6765\u83b7\u53d6\u7ed3\u679c\u3002\u6700\u540e\uff0c\u6211\u4eec\u4f7f\u7528foreach\u5faa\u73af\u6765\u904d\u5386\u7ed3\u679c\uff0c\u5e76\u8f93\u51fa\u6bcf\u4e2a\u7528\u6237\u7684\u540d\u79f0\u548c\u7535\u5b50\u90ae\u4ef6\u3002 \u5982\u679c\u60a8\u8981\u67e5\u8be2\u591a\u4e2a\u8868\uff0c\u5e76\u4e14\u8fd9\u4e9b\u8868\u4e2d\u6709\u76f8\u540c\u7684\u5b57\u6bb5\u540d\u79f0\uff0c\u90a3\u4e48\u60a8\u9700\u8981\u4f7f\u7528\u8868\u522b\u540d\u6765\u533a\u5206\u5b83\u4eec\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff0c\u6f14\u793a\u5982\u4f55\u67e5\u8be2\u201cusers\u201d\u8868\u548c\u201corders\u201d\u8868\u4e2d\u6240\u6709\u7528\u6237\u7684\u540d\u79f0\u548c\u8ba2\u5355\u53f7\u7801\uff1a use AppUser; use AppOrder; $users = User::select(&#8216;users.name&#8217;, &#8216;orders.order_number&#8217;) -&amp;gt;join(&#8216;orders&#8217;, &#8216;users.id&#8217;, &#8216;=&#8217;, &#8216;orders.user_id&#8217;) -&amp;gt;get(); foreach ($users as $user) { echo $user-&amp;gt;name . &#8216; [&hellip;]<\/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-23047","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/23047","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=23047"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/23047\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=23047"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=23047"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=23047"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}