{"id":22883,"date":"2024-11-21T11:47:53","date_gmt":"2024-11-21T03:47:53","guid":{"rendered":"https:\/\/fwq.ai\/blog\/22883\/"},"modified":"2024-11-21T11:47:53","modified_gmt":"2024-11-21T03:47:53","slug":"laravel%e4%b8%ad%e7%9a%84this%e7%94%a8%e6%b3%95","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/22883\/","title":{"rendered":"laravel\u4e2d\u7684this\u7528\u6cd5"},"content":{"rendered":"

\u968f\u7740\u4e92\u8054\u7f51\u7684\u5feb\u901f\u53d1\u5c55\uff0cweb\u5e94\u7528\u7a0b\u5e8f\u7684\u9700\u6c42\u4e5f\u968f\u4e4b\u589e\u957f\u3002php\u8bed\u8a00\u4f5c\u4e3aweb\u5f00\u53d1\u4e2d\u6700\u4e3b\u8981\u7684\u7f16\u7a0b\u8bed\u8a00\u4e4b\u4e00\uff0c\u5df2\u7ecf\u6210\u4e3a\u4e86\u5f88\u591a\u7a0b\u5e8f\u5458\u7684\u9996\u9009\u8bed\u8a00\u3002\u5728\u8fd9\u4e2a\u9886\u57df\uff0claravel\u662f\u4e00\u79cd\u975e\u5e38\u53d7\u6b22\u8fce\u7684php\u6846\u67b6\uff0c\u63d0\u4f9b\u4e86\u6613\u4e8e\u4f7f\u7528\u548c\u9ad8\u6548\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u8f7b\u677e\u5730\u6784\u5efa\u548c\u7ef4\u62a4web\u5e94\u7528\u7a0b\u5e8f\u3002\u5728laravel\u4e2d\uff0c\u4f7f\u7528$this\u5173\u952e\u5b57\u6765\u8bbf\u95ee\u5f53\u524d\u5bf9\u8c61\uff0c\u4e0b\u9762\u5c06\u4ecb\u7ecd\u4e00\u4e9b$this\u7684\u5e38\u89c1\u7528\u6cd5\u3002<\/p>\n

\u4e00\u3001\u5728\u63a7\u5236\u5668\u4e2d\u4f7f\u7528$this<\/p>\n

\u5728Laravel\u4e2d\uff0c\u63a7\u5236\u5668\u662f\u5904\u7406\u7528\u6237\u8bf7\u6c42\u548c\u751f\u6210\u54cd\u5e94\u7684\u4e3b\u8981\u4f4d\u7f6e\u3002\u5728\u63a7\u5236\u5668\u7c7b\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528$this\u6765\u83b7\u53d6\u5f53\u524d\u63a7\u5236\u5668\u5bf9\u8c61\u5e76\u8bbf\u95ee\u5b83\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\u3002\u4f8b\u5982:<\/p>\n

class UserController extends Controller\n{\n    \/\/ \u5b9a\u4e49show\u65b9\u6cd5\n    public function show($id)\n    {\n        $user = User::find($id);\n        return view('user.show', ['user' =&gt; $user]);\n    }\n}<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u63a7\u5236\u5668\u4e2d\u7684show\u65b9\u6cd5\u4f1a\u63a5\u6536\u4e00\u4e2a$id\u53c2\u6570\u3002\u7136\u540e\u4f7f\u7528User\u6a21\u578b\u7684find\u65b9\u6cd5\u67e5\u627e\u4e0e\u7ed9\u5b9a$id\u5339\u914d\u7684\u7528\u6237\uff0c\u6700\u540e\u5c06\u7ed3\u679c\u4f20\u9012\u7ed9\u4e00\u4e2a\u89c6\u56fe\u6587\u4ef6\u4ee5\u5448\u73b0\u7528\u6237\u7684\u8be6\u7ec6\u4fe1\u606f\u3002\u9664\u4e86\u67e5\u627e\u7528\u6237\u4e4b\u5916\uff0c\u63a7\u5236\u5668\u8fd8\u53ef\u4ee5\u5c06\u7528\u6237\u6570\u636e\u4fdd\u5b58\u5230\u6570\u636e\u5e93\u6216\u6267\u884c\u5176\u4ed6\u4efb\u4f55\u5fc5\u8981\u7684\u64cd\u4f5c\u3002<\/p>\n
\u4e8c\u3001\u5728\u89c6\u56fe\u4e2d\u4f7f\u7528$this<\/p>\n
Laravel\u7684\u89c6\u56fe\u7cfb\u7edf\u4f7f\u5f97\u6784\u5efa\u590d\u6742\u7684Web\u754c\u9762\u53d8\u5f97\u975e\u5e38\u5bb9\u6613\u3002\u5728\u89c6\u56fe\u6587\u4ef6\u4e2d\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528$this\u6765\u5f15\u7528\u5f53\u524d\u89c6\u56fe\u5bf9\u8c61\u5e76\u8bbf\u95ee\u5b83\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\u3002\u4f8b\u5982\uff1a<\/p>\n
\n    \n        <title>User Details<\/title><h1>User Details<\/h1>\n        <p>Name: {{ $user-&gt;name }}<\/p>\n        <p>Email: {{ $user-&gt;email }}<\/p>\n        <p>Created at: {{ $user-&gt;created_at }}<\/p>\n        <p>Updated at: {{ $user-&gt;updated_at }}<\/p>\n    \n<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c\u4f7f\u7528\u4e86Laravel\u7684Blade\u6a21\u677f\u5f15\u64ce\u3002\u6a21\u677f\u6587\u4ef6\u4f7f\u7528\u4e86\u4e24\u4e2a\u53cc\u62ec\u53f7{{}}\u6765\u5305\u88f9\u7528\u6237\u5bf9\u8c61\u7684\u5c5e\u6027\uff0c\u8fd9\u91cc\u7684$user\u53d8\u91cf\u4ece\u63a7\u5236\u5668\u4e2d\u4f20\u9012\u8fc7\u6765\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u5728\u89c6\u56fe\u4e2d\u5448\u73b0\u63a7\u5236\u5668\u4e2d\u83b7\u53d6\u7684\u7528\u6237\u6570\u636e\u3002<\/p>\n
\u4e09\u3001\u5728\u6a21\u578b\u4e2d\u4f7f\u7528$this<\/p>\n
Laravel\u6a21\u578b\u662f\u6267\u884c\u4e0e\u6570\u636e\u5e93\u64cd\u4f5c\u76f8\u5173\u7684\u4efb\u52a1\u7684\u57fa\u672c\u5de5\u5177\u3002\u5728\u6a21\u578b\u6587\u4ef6\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528$this\u6765\u5f15\u7528\u5f53\u524d\u6a21\u578b\u5bf9\u8c61\u5e76\u8bbf\u95ee\u5b83\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\u3002\u4f8b\u5982\uff1a<\/p>\n
class User extends Model\n{\n    \/\/ \u5b9a\u4e49\u8868\u540d\n    protected $table = 'users';\n\n    \/\/ \u5b9a\u4e49\u8fde\u63a5\u540d\u79f0\n    protected $connection = 'mysql';\n\n    \/\/ \u5b9a\u4e49\u4e3b\u952e\n    protected $primaryKey = 'id';\n\n    \/\/ \u7981\u7528\u81ea\u52a8\u7ef4\u62a4\u65f6\u95f4\u6233\n    public $timestamps = false;\n\n    \/\/ \u5b9a\u4e49\u7528\u6237\u548c\u4efb\u52a1\u4e4b\u95f4\u7684\u5173\u7cfb\n    public function tasks()\n    {\n        return $this-&gt;hasMany(Task::class);\n    }\n}<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cUser\u6a21\u578b\u5b9a\u4e49\u4e86\u4e0eusers\u8868\u5bf9\u5e94\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\u3002\u53ef\u4ee5\u4f7f\u7528$this\u8bbf\u95ee\u8fd9\u4e9b\u5c5e\u6027\u548c\u65b9\u6cd5\uff0c\u6bd4\u5982table\u3001connection\u3001primaryKey\u7b49\u3002\u53e6\u5916\uff0c\u8fd8\u5b9a\u4e49\u4e86\u4e00\u4e2atasks\u65b9\u6cd5\uff0c\u7528\u4e8e\u4ece\u7528\u6237\u6a21\u578b\u4e2d\u83b7\u53d6\u4e0e\u4efb\u52a1\u6a21\u578b\u7684\u5173\u8054\u6570\u636e\u3002<\/p>\n
\u603b\u7ed3<\/p>\n
\u5728Laravel\u4e2d\uff0c$this\u5173\u952e\u5b57\u7684\u7528\u6cd5\u975e\u5e38\u666e\u904d\u3002\u5728\u63a7\u5236\u5668\u3001\u89c6\u56fe\u548c\u6a21\u578b\u4e2d\uff0c\u4f7f\u7528$this\u53ef\u4ee5\u65b9\u4fbf\u5730\u83b7\u53d6\u5f53\u524d\u5bf9\u8c61\u5e76\u8bbf\u95ee\u5176\u5c5e\u6027\u548c\u65b9\u6cd5\u3002\u901a\u8fc7\u5de7\u5999\u5730\u4f7f\u7528$this\u5173\u952e\u5b57\uff0c\u53ef\u4ee5\u5728Laravel\u5e94\u7528\u7a0b\u5e8f\u4e2d\u7f16\u5199\u9ad8\u6548\u3001\u7b80\u6d01\u7684\u4ee3\u7801\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662flaravel\u4e2d\u7684this\u7528\u6cd5\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u968f\u7740\u4e92\u8054\u7f51\u7684\u5feb\u901f\u53d1\u5c55\uff0cweb\u5e94\u7528\u7a0b\u5e8f\u7684\u9700\u6c42\u4e5f\u968f\u4e4b\u589e\u957f\u3002php\u8bed\u8a00\u4f5c\u4e3aweb\u5f00\u53d1\u4e2d\u6700\u4e3b\u8981\u7684\u7f16\u7a0b\u8bed\u8a00\u4e4b\u4e00\uff0c\u5df2\u7ecf\u6210\u4e3a\u4e86\u5f88\u591a\u7a0b\u5e8f\u5458\u7684\u9996\u9009\u8bed\u8a00\u3002\u5728\u8fd9\u4e2a\u9886\u57df\uff0claravel\u662f\u4e00\u79cd\u975e\u5e38\u53d7\u6b22\u8fce\u7684php\u6846\u67b6\uff0c\u63d0\u4f9b\u4e86\u6613\u4e8e\u4f7f\u7528\u548c\u9ad8\u6548\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u8f7b\u677e\u5730\u6784\u5efa\u548c\u7ef4\u62a4web\u5e94\u7528\u7a0b\u5e8f\u3002\u5728laravel\u4e2d\uff0c\u4f7f\u7528$this\u5173\u952e\u5b57\u6765\u8bbf\u95ee\u5f53\u524d\u5bf9\u8c61\uff0c\u4e0b\u9762\u5c06\u4ecb\u7ecd\u4e00\u4e9b$this\u7684\u5e38\u89c1\u7528\u6cd5\u3002 \u4e00\u3001\u5728\u63a7\u5236\u5668\u4e2d\u4f7f\u7528$this \u5728Laravel\u4e2d\uff0c\u63a7\u5236\u5668\u662f\u5904\u7406\u7528\u6237\u8bf7\u6c42\u548c\u751f\u6210\u54cd\u5e94\u7684\u4e3b\u8981\u4f4d\u7f6e\u3002\u5728\u63a7\u5236\u5668\u7c7b\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528$this\u6765\u83b7\u53d6\u5f53\u524d\u63a7\u5236\u5668\u5bf9\u8c61\u5e76\u8bbf\u95ee\u5b83\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\u3002\u4f8b\u5982: class UserController extends Controller { \/\/ \u5b9a\u4e49show\u65b9\u6cd5 public function show($id) { $user = User::find($id); return view(‘user.show’, [‘user’ =&gt; $user]); } } \u767b\u5f55\u540e\u590d\u5236 \u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u63a7\u5236\u5668\u4e2d\u7684show\u65b9\u6cd5\u4f1a\u63a5\u6536\u4e00\u4e2a$id\u53c2\u6570\u3002\u7136\u540e\u4f7f\u7528User\u6a21\u578b\u7684find\u65b9\u6cd5\u67e5\u627e\u4e0e\u7ed9\u5b9a$id\u5339\u914d\u7684\u7528\u6237\uff0c\u6700\u540e\u5c06\u7ed3\u679c\u4f20\u9012\u7ed9\u4e00\u4e2a\u89c6\u56fe\u6587\u4ef6\u4ee5\u5448\u73b0\u7528\u6237\u7684\u8be6\u7ec6\u4fe1\u606f\u3002\u9664\u4e86\u67e5\u627e\u7528\u6237\u4e4b\u5916\uff0c\u63a7\u5236\u5668\u8fd8\u53ef\u4ee5\u5c06\u7528\u6237\u6570\u636e\u4fdd\u5b58\u5230\u6570\u636e\u5e93\u6216\u6267\u884c\u5176\u4ed6\u4efb\u4f55\u5fc5\u8981\u7684\u64cd\u4f5c\u3002 \u4e8c\u3001\u5728\u89c6\u56fe\u4e2d\u4f7f\u7528$this Laravel\u7684\u89c6\u56fe\u7cfb\u7edf\u4f7f\u5f97\u6784\u5efa\u590d\u6742\u7684Web\u754c\u9762\u53d8\u5f97\u975e\u5e38\u5bb9\u6613\u3002\u5728\u89c6\u56fe\u6587\u4ef6\u4e2d\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528$this\u6765\u5f15\u7528\u5f53\u524d\u89c6\u56fe\u5bf9\u8c61\u5e76\u8bbf\u95ee\u5b83\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\u3002\u4f8b\u5982\uff1a <title>User Details<\/title><h1>User Details<\/h1> <p>Name: {{ $user-&gt;name }}<\/p> <p>Email: {{ $user-&gt;email }}<\/p> <p>Created at: {{ $user-&gt;created_at }}<\/p> <p>Updated at: {{ $user-&gt;updated_at }}<\/p> \u767b\u5f55\u540e\u590d\u5236 \u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c\u4f7f\u7528\u4e86Laravel\u7684Blade\u6a21\u677f\u5f15\u64ce\u3002\u6a21\u677f\u6587\u4ef6\u4f7f\u7528\u4e86\u4e24\u4e2a\u53cc\u62ec\u53f7{{}}\u6765\u5305\u88f9\u7528\u6237\u5bf9\u8c61\u7684\u5c5e\u6027\uff0c\u8fd9\u91cc\u7684$user\u53d8\u91cf\u4ece\u63a7\u5236\u5668\u4e2d\u4f20\u9012\u8fc7\u6765\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u5728\u89c6\u56fe\u4e2d\u5448\u73b0\u63a7\u5236\u5668\u4e2d\u83b7\u53d6\u7684\u7528\u6237\u6570\u636e\u3002 \u4e09\u3001\u5728\u6a21\u578b\u4e2d\u4f7f\u7528$this Laravel\u6a21\u578b\u662f\u6267\u884c\u4e0e\u6570\u636e\u5e93\u64cd\u4f5c\u76f8\u5173\u7684\u4efb\u52a1\u7684\u57fa\u672c\u5de5\u5177\u3002\u5728\u6a21\u578b\u6587\u4ef6\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528$this\u6765\u5f15\u7528\u5f53\u524d\u6a21\u578b\u5bf9\u8c61\u5e76\u8bbf\u95ee\u5b83\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\u3002\u4f8b\u5982\uff1a class User […]<\/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-22883","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/22883","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=22883"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/22883\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=22883"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=22883"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=22883"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}