{"id":23525,"date":"2024-11-21T17:17:04","date_gmt":"2024-11-21T09:17:04","guid":{"rendered":"https:\/\/fwq.ai\/blog\/23525\/"},"modified":"2024-11-21T17:17:04","modified_gmt":"2024-11-21T09:17:04","slug":"laravel%e5%bc%80%e5%8f%91%ef%bc%9a%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8laravel-eloquent%e6%93%8d%e4%bd%9c%e6%95%b0%e6%8d%ae%e5%ba%93%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/23525\/","title":{"rendered":"Laravel\u5f00\u53d1\uff1a\u5982\u4f55\u4f7f\u7528Laravel Eloquent\u64cd\u4f5c\u6570\u636e\u5e93\uff1f"},"content":{"rendered":"<p>\u5f00\u53d1\uff1a\u5982\u4f55\u4f7f\u7528laravel eloquent\u64cd\u4f5c\u6570\u636e\u5e93\uff1f<\/p>\n<p>Laravel\u662f\u4e00\u6b3e\u4f18\u79c0\u7684PHP\u6846\u67b6\uff0c\u5b83\u5177\u6709\u7b80\u5355\u3001\u76f4\u89c2\u3001\u7075\u6d3b\u7b49\u8bf8\u591a\u7279\u70b9\u3002\u4f5c\u4e3a\u5f00\u53d1\u8005\uff0c\u6211\u4eec\u9700\u8981\u7ecf\u5e38\u4e0e\u6570\u636e\u5e93\u6253\u4ea4\u9053\u3002\u5728Laravel\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Eloquent\u6765\u64cd\u4f5c\u6570\u636e\u5e93\uff0c\u5b83\u662fLaravel\u7684ORM\uff08Object Relational Mapping\uff09\u5b9e\u73b0\uff0c\u63d0\u4f9b\u4e86\u5f3a\u5927\u800c\u4e30\u5bcc\u7684\u67e5\u8be2\u6784\u9020\u5668\u53ca\u6a21\u578b\u5173\u8054\u652f\u6301\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u66f4\u52a0\u4fbf\u6377\u5730\u8fdb\u884c\u6570\u636e\u5e93\u64cd\u4f5c\u3002\u63a5\u4e0b\u6765\uff0c\u672c\u6587\u4e3b\u8981\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528Eloquent\u6765\u8fdb\u884cCRUD\u64cd\u4f5c\u3002<\/p>\n<ol>\n<li>\u5b9a\u4e49\u6a21\u578b<\/li>\n<\/ol>\n<p>Eloquent\u7684\u6838\u5fc3\u6982\u5ff5\u5c31\u662f\u6a21\u578b(Model)\uff0c\u5b83\u662f\u6211\u4eec\u4e0e\u6570\u636e\u5e93\u4ea4\u4e92\u7684\u5bf9\u8c61\uff0c\u5bf9\u5e94\u7740\u6570\u636e\u5e93\u4e2d\u7684\u8868\u3002\u5728Laravel\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Artisan\u547d\u4ee4\u6765\u751f\u6210\u6a21\u578b\u3002<\/p>\n<pre>php artisan make:model User<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4e0a\u9762\u7684\u547d\u4ee4\u5c06\u4f1a\u521b\u5efa\u4e00\u4e2aUser\u6a21\u578b\u6587\u4ef6\uff0c\u5728app\u76ee\u5f55\u4e0b\u3002\u4e00\u4e2a\u6700\u7b80\u5355\u7684User\u6a21\u578b\u5982\u4e0b\uff1a<\/p>\n<pre>&lt;?php namespace App;\n\nuse IlluminateDatabaseEloquentModel;\n\nclass User extends Model\n{\n    \/\/\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<ol>\n<li>\u63d2\u5165\u6570\u636e<\/li>\n<\/ol>\n<p>\u4f7f\u7528Eloquent\u521b\u5efa\u65b0\u7eaa\u5f55\u9700\u8981\u4f7f\u7528\u6a21\u578b\u7684create\u65b9\u6cd5\uff0ccreate\u65b9\u6cd5\u63a5\u53d7\u4e00\u4e2a\u6570\u7ec4\u4f5c\u4e3a\u53c2\u6570\uff0c\u6570\u7ec4\u4e2d\u7684\u952e\u540d\u5bf9\u5e94\u8868\u4e2d\u7684\u5217\u540d\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u5411users\u8868\u4e2d\u63d2\u5165\u4e00\u6761\u6570\u636e\uff0c\u5982\u4e0b\uff1a<\/p>\n<pre>$user = new User;\n$user-&amp;gt;name = 'Tom';\n$user-&amp;gt;age = 18;\n$user-&amp;gt;save();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6216\u8005\u53ef\u4ee5\u7b80\u5316\u4e3a\uff1a<\/p>\n<pre>$user = User::create([\n    'name' =&amp;gt; 'Tom',\n    'age' =&amp;gt; 18,\n]);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<ol>\n<li>\u67e5\u8be2\u6570\u636e<\/li>\n<\/ol>\n<p>Eloquent\u67e5\u8be2\u6570\u636e\u975e\u5e38\u7b80\u5355\uff0c\u4ee5\u4e0b\u662f\u5e38\u89c1\u7684\u51e0\u79cd\u67e5\u8be2\u65b9\u6cd5\u3002<\/p>\n<p>\u83b7\u53d6\u6240\u6709\u8bb0\u5f55\uff1a<\/p>\n<pre>$users = User::all();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u83b7\u53d6\u5355\u6761\u8bb0\u5f55\uff1a<\/p>\n<pre>$user = User::where('name', 'Tom')-&amp;gt;first(); \/\/ \u83b7\u53d6\u7b2c\u4e00\u6761\u5339\u914d\u7684\u8bb0\u5f55<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u83b7\u53d6\u5355\u4e2a\u5b57\u6bb5\uff1a<\/p>\n<pre>$name = User::where('id', 1)-&amp;gt;value('name');<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u83b7\u53d6\u591a\u4e2a\u5b57\u6bb5\uff1a<\/p>\n<pre>$user = User::select('name', 'age')-&amp;gt;where('id', 1)-&amp;gt;first();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u67e5\u8be2\u7ed3\u679c\u5206\u9875\uff1a<\/p>\n<pre>$users = User::paginate(10); \/\/ \u6bcf\u987510\u6761\u6570\u636e<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<ol>\n<li>\u66f4\u65b0\u6570\u636e<\/li>\n<\/ol>\n<p>\u4f7f\u7528Eloquent\u66f4\u65b0\u6570\u636e\u4e5f\u975e\u5e38\u7b80\u5355\uff0c\u4ee5\u4e0b\u662f\u793a\u4f8b\u4ee3\u7801\u3002<\/p>\n<p>\u66f4\u65b0\u5355\u6761\u6570\u636e\uff1a<\/p>\n<pre>$user = User::where('name', 'Tom')-&amp;gt;first();\n$user-&amp;gt;name = 'Jerry';\n$user-&amp;gt;save();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6279\u91cf\u66f4\u65b0\uff1a<\/p>\n<pre>User::where('age', 18)-&amp;gt;update(['age' =&amp;gt; 20]);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<ol>\n<li>\u5220\u9664\u6570\u636e<\/li>\n<\/ol>\n<p>\u4f7f\u7528Eloquent\u5220\u9664\u6570\u636e\u540c\u6837\u4e5f\u5f88\u7b80\u5355\uff0c\u4ee5\u4e0b\u662f\u793a\u4f8b\u4ee3\u7801\u3002<\/p>\n<p>\u5220\u9664\u5355\u6761\u6570\u636e\uff1a<\/p>\n<pre>$user = User::where('name', 'Tom')-&amp;gt;first();\n$user-&amp;gt;delete();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5220\u9664\u591a\u6761\u6570\u636e\uff1a<\/p>\n<pre>User::where('age', 'delete();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u603b\u7ed3<\/p>\n<p>\u672c\u6587\u4ecb\u7ecd\u4e86\u5982\u4f55\u4f7f\u7528Laravel Eloquent\u8fdb\u884cCRUD\u64cd\u4f5c\u3002Eloquent\u63d0\u4f9b\u4e86\u975e\u5e38\u7b80\u5355\u800c\u7075\u6d3b\u7684API\uff0c\u4f7f\u5f97\u6211\u4eec\u5728\u8fdb\u884c\u6570\u636e\u5e93\u64cd\u4f5c\u65f6\u66f4\u52a0\u8f7b\u677e\u5feb\u6377\u3002\u5f53\u7136\uff0cEloquent\u9664\u6b64\u4e4b\u5916\uff0c\u8fd8\u6709\u66f4\u591a\u7684\u7279\u6027\u548c\u529f\u80fd\uff0c\u9700\u8981\u6211\u4eec\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\u53bb\u63a2\u7d22\u548c\u5b66\u4e60\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fLaravel\u5f00\u53d1\uff1a\u5982\u4f55\u4f7f\u7528Laravel Eloquent\u64cd\u4f5c\u6570\u636e\u5e93\uff1f\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>\u5f00\u53d1\uff1a\u5982\u4f55\u4f7f\u7528laravel eloquent\u64cd\u4f5c\u6570\u636e\u5e93\uff1f Laravel\u662f\u4e00\u6b3e\u4f18\u79c0\u7684PHP\u6846\u67b6\uff0c\u5b83\u5177\u6709\u7b80\u5355\u3001\u76f4\u89c2\u3001\u7075\u6d3b\u7b49\u8bf8\u591a\u7279\u70b9\u3002\u4f5c\u4e3a\u5f00\u53d1\u8005\uff0c\u6211\u4eec\u9700\u8981\u7ecf\u5e38\u4e0e\u6570\u636e\u5e93\u6253\u4ea4\u9053\u3002\u5728Laravel\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Eloquent\u6765\u64cd\u4f5c\u6570\u636e\u5e93\uff0c\u5b83\u662fLaravel\u7684ORM\uff08Object Relational Mapping\uff09\u5b9e\u73b0\uff0c\u63d0\u4f9b\u4e86\u5f3a\u5927\u800c\u4e30\u5bcc\u7684\u67e5\u8be2\u6784\u9020\u5668\u53ca\u6a21\u578b\u5173\u8054\u652f\u6301\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u66f4\u52a0\u4fbf\u6377\u5730\u8fdb\u884c\u6570\u636e\u5e93\u64cd\u4f5c\u3002\u63a5\u4e0b\u6765\uff0c\u672c\u6587\u4e3b\u8981\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528Eloquent\u6765\u8fdb\u884cCRUD\u64cd\u4f5c\u3002 \u5b9a\u4e49\u6a21\u578b Eloquent\u7684\u6838\u5fc3\u6982\u5ff5\u5c31\u662f\u6a21\u578b(Model)\uff0c\u5b83\u662f\u6211\u4eec\u4e0e\u6570\u636e\u5e93\u4ea4\u4e92\u7684\u5bf9\u8c61\uff0c\u5bf9\u5e94\u7740\u6570\u636e\u5e93\u4e2d\u7684\u8868\u3002\u5728Laravel\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Artisan\u547d\u4ee4\u6765\u751f\u6210\u6a21\u578b\u3002 php artisan make:model User \u767b\u5f55\u540e\u590d\u5236 \u4e0a\u9762\u7684\u547d\u4ee4\u5c06\u4f1a\u521b\u5efa\u4e00\u4e2aUser\u6a21\u578b\u6587\u4ef6\uff0c\u5728app\u76ee\u5f55\u4e0b\u3002\u4e00\u4e2a\u6700\u7b80\u5355\u7684User\u6a21\u578b\u5982\u4e0b\uff1a &lt;?php namespace App; use IlluminateDatabaseEloquentModel; class User extends Model { \/\/ } \u767b\u5f55\u540e\u590d\u5236 \u63d2\u5165\u6570\u636e \u4f7f\u7528Eloquent\u521b\u5efa\u65b0\u7eaa\u5f55\u9700\u8981\u4f7f\u7528\u6a21\u578b\u7684create\u65b9\u6cd5\uff0ccreate\u65b9\u6cd5\u63a5\u53d7\u4e00\u4e2a\u6570\u7ec4\u4f5c\u4e3a\u53c2\u6570\uff0c\u6570\u7ec4\u4e2d\u7684\u952e\u540d\u5bf9\u5e94\u8868\u4e2d\u7684\u5217\u540d\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u5411users\u8868\u4e2d\u63d2\u5165\u4e00\u6761\u6570\u636e\uff0c\u5982\u4e0b\uff1a $user = new User; $user-&amp;gt;name = &#8216;Tom&#8217;; $user-&amp;gt;age = 18; $user-&amp;gt;save(); \u767b\u5f55\u540e\u590d\u5236 \u6216\u8005\u53ef\u4ee5\u7b80\u5316\u4e3a\uff1a $user = User::create([ &#8216;name&#8217; =&amp;gt; &#8216;Tom&#8217;, &#8216;age&#8217; =&amp;gt; 18, ]); \u767b\u5f55\u540e\u590d\u5236 \u67e5\u8be2\u6570\u636e Eloquent\u67e5\u8be2\u6570\u636e\u975e\u5e38\u7b80\u5355\uff0c\u4ee5\u4e0b\u662f\u5e38\u89c1\u7684\u51e0\u79cd\u67e5\u8be2\u65b9\u6cd5\u3002 \u83b7\u53d6\u6240\u6709\u8bb0\u5f55\uff1a [&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-23525","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/23525","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=23525"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/23525\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=23525"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=23525"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=23525"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}