{"id":23348,"date":"2024-11-21T13:12:52","date_gmt":"2024-11-21T05:12:52","guid":{"rendered":"https:\/\/fwq.ai\/blog\/23348\/"},"modified":"2024-11-21T13:12:52","modified_gmt":"2024-11-21T05:12:52","slug":"laravel%e5%bc%80%e5%8f%91%ef%bc%9a%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8laravel-eloquent%e5%ae%9e%e7%8e%b0%e5%85%b3%e7%b3%bb%e6%a8%a1%e5%9e%8b%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/23348\/","title":{"rendered":"Laravel\u5f00\u53d1\uff1a\u5982\u4f55\u4f7f\u7528Laravel Eloquent\u5b9e\u73b0\u5173\u7cfb\u6a21\u578b\uff1f"},"content":{"rendered":"

\u662f\u4e00\u4e2a\u6d41\u884c\u7684php web\u5e94\u7528\u7a0b\u5e8f\u6846\u67b6\uff0c\u5b83\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93orm\u5de5\u5177eloquent\u63d0\u4f9b\u4e86\u6613\u4e8e\u4f7f\u7528\u7684\u3001\u4f18\u96c5\u7684\u3001\u5feb\u901f\u7684\u6570\u636e\u5e93\u8bbf\u95ee\u65b9\u5f0f\uff0c\u4f7f\u5f00\u53d1\u4eba\u5458\u80fd\u591f\u8f7b\u677e\u5730\u7ba1\u7406\u6570\u636e\u5e93\u5173\u7cfb\u3002laravel eloquent\u63d0\u4f9b\u4e86\u4e00\u79cd\u975e\u5e38\u65b9\u4fbf\u7684\u65b9\u6cd5\u6765\u5b9a\u4e49\u6a21\u578b\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u6df1\u5165\u63a2\u8ba8\u5982\u4f55\u4f7f\u7528laravel eloquent\u5b9e\u73b0\u5173\u7cfb\u6a21\u578b\u3002<\/p>\n

\u4ec0\u4e48\u662fLaravel Eloquent<\/p>\n

Laravel Eloquent\u662f\u4e00\u79cd\u975e\u5e38\u5f3a\u5927\u7684ORM (object-relational mapping)\u6280\u672f\uff0c\u53ef\u7528\u4e8e\u5c06\u5bf9\u8c61\u6620\u5c04\u5230\u5173\u7cfb\u578b\u6570\u636e\u5e93\u4e2d\u7684\u8868\u3002Eloquent\u662fLaravel\u6846\u67b6\u7684\u4e00\u90e8\u5206\uff0c\u63d0\u4f9b\u4e86\u4e00\u6574\u5957\u64cd\u4f5c\u6570\u636e\u5e93\u7684\u529f\u80fd\u3002<\/p>\n

\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u5c06\u4f7f\u7528Eloquent\u6765\u5b9e\u73b0\u5404\u79cd\u5173\u7cfb\uff0c\u4f8b\u5982\u4e00\u5bf9\u4e00\uff0c\u4e00\u5bf9\u591a\u548c\u591a\u5bf9\u591a\u5173\u7cfb\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u521b\u5efa\u51e0\u4e2a\u6709\u5173\u7cfb\u7684\u6a21\u578b\u7684\u793a\u4f8b\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u7406\u89e3Eloquent\u7684\u5f3a\u5927\u4e4b\u5904\u3002<\/p>\n

\u5b9e\u73b0\u4e00\u5bf9\u4e00\u5173\u7cfb<\/p>\n

\u5728Laravel\u4e1c\u897f\u4e2d\uff0c\u4f7f\u7528belongsTo\u548chasOne\u51fd\u6570\u6765\u8868\u793a\u4e00\u5bf9\u4e00\u5173\u7cfb\u3002\u8ba9\u6211\u4eec\u770b\u770b\u5982\u4f55\u901a\u8fc7Eloquent\u5b9e\u73b0\u4e00\u5bf9\u4e00\u5173\u7cfb\u3002<\/p>\n

\u9700\u8981\u521b\u5efa\u4e24\u4e2a\u6a21\u578b\uff0c\u6bd4\u5982\u5b66\u751f\u548c\u5b66\u6821\u6a21\u578b\u3002\u5728\u5b66\u751f\u6a21\u578b\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7belongsTo\u51fd\u6570\u5b9a\u4e49\u5b66\u6821\u6a21\u578b\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n

class Student extends Model \n{\n    public function school()\n    {\n        return $this-&gt;belongsTo(School::class);\n    }\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5728\u5b66\u6821\u6a21\u578b\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7hasOne\u51fd\u6570\u5b9a\u4e49\u5b66\u751f\u6a21\u578b\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n
class School extends Model \n{\n    public function student()\n    {\n        return $this-&gt;hasOne(Student::class);\n    }\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e24\u4e2a\u6a21\u578b\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u5373\u5b66\u751f\u548c\u5b66\u6821\u3002\u5b66\u751f\u53ea\u5c5e\u4e8e\u4e00\u4e2a\u5b66\u6821\uff0c\u800c\u5b66\u6821\u53ea\u6709\u4e00\u4e2a\u5b66\u751f\u3002<\/p>\n
\u5b9e\u73b0\u4e00\u5bf9\u591a\u5173\u7cfb<\/p>\n
\u5728Laravel Eloquent\u4e2d\uff0c\u4f7f\u7528belongsTo\u548chasMany\u51fd\u6570\u6765\u8868\u793a\u4e00\u5bf9\u591a\u5173\u7cfb\u3002\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u8ba9\u6211\u4eec\u770b\u770b\u5982\u4f55\u901a\u8fc7Eloquent\u5b9e\u73b0\u4e00\u5bf9\u591a\u5173\u7cfb\u3002<\/p>\n
\u9700\u8981\u521b\u5efa\u4e24\u4e2a\u6a21\u578b\uff0c\u6bd4\u5982\u90e8\u95e8\u548c\u5458\u5de5\u6a21\u578b\u3002\u5728\u5458\u5de5\u6a21\u578b\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7belongsTo\u51fd\u6570\u5b9a\u4e49\u90e8\u95e8\u6a21\u578b\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n
class Employee extends Model \n{\n    public function department()\n    {\n        return $this-&gt;belongsTo(Department::class);\n    }\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5728\u90e8\u95e8\u6a21\u578b\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7hasMany\u51fd\u6570\u5b9a\u4e49\u5458\u5de5\u6a21\u578b\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n
class Department extends Model \n{\n    public function employees()\n    {\n        return $this-&gt;hasMany(Employee::class);\n    }\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e24\u4e2a\u6a21\u578b\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u5373\u90e8\u95e8\u548c\u5458\u5de5\u3002\u90e8\u95e8\u53ef\u4ee5\u6709\u591a\u4e2a\u5458\u5de5\uff0c\u800c\u4e00\u4e2a\u5458\u5de5\u53ea\u5c5e\u4e8e\u4e00\u4e2a\u90e8\u95e8\u3002<\/p>\n
\u5b9e\u73b0\u591a\u5bf9\u591a\u5173\u7cfb<\/p>\n
\u5728Laravel Eloquent\u4e2d\uff0c\u4f7f\u7528belongsToMany\u51fd\u6570\u6765\u8868\u793a\u591a\u5bf9\u591a\u5173\u7cfb\u3002\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u8ba9\u6211\u4eec\u770b\u770b\u5982\u4f55\u901a\u8fc7Eloquent\u5b9e\u73b0\u591a\u5bf9\u591a\u5173\u7cfb\u3002<\/p>\n
\u9700\u8981\u521b\u5efa\u4e24\u4e2a\u6a21\u578b\uff0c\u6bd4\u5982\u8bfe\u7a0b\u548c\u5b66\u751f\u6a21\u578b\u3002\u5728\u5b66\u751f\u6a21\u578b\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7belongsToMany\u51fd\u6570\u5b9a\u4e49\u8bfe\u7a0b\u6a21\u578b\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n
class Student extends Model \n{\n    public function courses()\n    {\n        return $this-&gt;belongsToMany(Course::class);\n    }\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5728\u8bfe\u7a0b\u6a21\u578b\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7belongsToMany\u51fd\u6570\u5b9a\u4e49\u5b66\u751f\u6a21\u578b\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n
class Course extends Model\n{\n    public function students()\n    {\n        return $this-&gt;belongsToMany(Student::class);\n    }\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e24\u4e2a\u6a21\u578b\u4e4b\u95f4\u7684\u591a\u5bf9\u591a\u5173\u7cfb\uff0c\u5373\u8bfe\u7a0b\u548c\u5b66\u751f\u3002\u5b66\u751f\u53ef\u4ee5\u9009\u62e9\u8bb8\u591a\u8bfe\u7a0b\uff0c\u800c\u8bfe\u7a0b\u4e5f\u53ef\u4ee5\u6709\u591a\u4e2a\u5b66\u751f\u3002<\/p>\n
\u7ed3\u8bba<\/p>\n
\u603b\u4e4b\uff0cLaravel Eloquent\u662f\u4e00\u4e2a\u5f3a\u5927\u7684ORM\u6280\u672f\uff0c\u4f7f\u5f97\u5728Laravel\u6846\u67b6\u4e2d\u64cd\u4f5c\u5173\u7cfb\u578b\u6570\u636e\u5e93\u53d8\u5f97\u5bb9\u6613\u3001\u65b9\u4fbf\u3002\u672c\u6587\u4ecb\u7ecd\u4e86\u5982\u4f55\u4f7f\u7528Eloquent\u5b9e\u73b0\u4e00\u5bf9\u4e00\u3001\u4e00\u5bf9\u591a\u548c\u591a\u5bf9\u591a\u5173\u7cfb\uff0c\u4f60\u53ef\u4ee5\u5728\u5f00\u53d1\u4e2d\u4f7f\u7528\u9002\u5408\u60c5\u51b5\u7684\u5173\u7cfb\u3002\u5e0c\u671b\u8fd9\u7bc7\u6587\u7ae0\u80fd\u5e2e\u52a9\u60a8\u66f4\u597d\u5730\u7406\u89e3Laravel Eloquent\u7684\u5f3a\u5927\u529f\u80fd\uff0c\u4ee5\u66f4\u597d\u5730\u7ba1\u7406\u5e94\u7528\u7a0b\u5e8f\u7684\u6570\u636e\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662fLaravel\u5f00\u53d1\uff1a\u5982\u4f55\u4f7f\u7528Laravel Eloquent\u5b9e\u73b0\u5173\u7cfb\u6a21\u578b\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":"
\u662f\u4e00\u4e2a\u6d41\u884c\u7684php web\u5e94\u7528\u7a0b\u5e8f\u6846\u67b6\uff0c\u5b83\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93orm\u5de5\u5177eloquent\u63d0\u4f9b\u4e86\u6613\u4e8e\u4f7f\u7528\u7684\u3001\u4f18\u96c5\u7684\u3001\u5feb\u901f\u7684\u6570\u636e\u5e93\u8bbf\u95ee\u65b9\u5f0f\uff0c\u4f7f\u5f00\u53d1\u4eba\u5458\u80fd\u591f\u8f7b\u677e\u5730\u7ba1\u7406\u6570\u636e\u5e93\u5173\u7cfb\u3002laravel eloquent\u63d0\u4f9b\u4e86\u4e00\u79cd\u975e\u5e38\u65b9\u4fbf\u7684\u65b9\u6cd5\u6765\u5b9a\u4e49\u6a21\u578b\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u6df1\u5165\u63a2\u8ba8\u5982\u4f55\u4f7f\u7528laravel eloquent\u5b9e\u73b0\u5173\u7cfb\u6a21\u578b\u3002 \u4ec0\u4e48\u662fLaravel Eloquent Laravel Eloquent\u662f\u4e00\u79cd\u975e\u5e38\u5f3a\u5927\u7684ORM (object-relational mapping)\u6280\u672f\uff0c\u53ef\u7528\u4e8e\u5c06\u5bf9\u8c61\u6620\u5c04\u5230\u5173\u7cfb\u578b\u6570\u636e\u5e93\u4e2d\u7684\u8868\u3002Eloquent\u662fLaravel\u6846\u67b6\u7684\u4e00\u90e8\u5206\uff0c\u63d0\u4f9b\u4e86\u4e00\u6574\u5957\u64cd\u4f5c\u6570\u636e\u5e93\u7684\u529f\u80fd\u3002 \u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u5c06\u4f7f\u7528Eloquent\u6765\u5b9e\u73b0\u5404\u79cd\u5173\u7cfb\uff0c\u4f8b\u5982\u4e00\u5bf9\u4e00\uff0c\u4e00\u5bf9\u591a\u548c\u591a\u5bf9\u591a\u5173\u7cfb\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u521b\u5efa\u51e0\u4e2a\u6709\u5173\u7cfb\u7684\u6a21\u578b\u7684\u793a\u4f8b\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u7406\u89e3Eloquent\u7684\u5f3a\u5927\u4e4b\u5904\u3002 \u5b9e\u73b0\u4e00\u5bf9\u4e00\u5173\u7cfb \u5728Laravel\u4e1c\u897f\u4e2d\uff0c\u4f7f\u7528belongsTo\u548chasOne\u51fd\u6570\u6765\u8868\u793a\u4e00\u5bf9\u4e00\u5173\u7cfb\u3002\u8ba9\u6211\u4eec\u770b\u770b\u5982\u4f55\u901a\u8fc7Eloquent\u5b9e\u73b0\u4e00\u5bf9\u4e00\u5173\u7cfb\u3002 \u9700\u8981\u521b\u5efa\u4e24\u4e2a\u6a21\u578b\uff0c\u6bd4\u5982\u5b66\u751f\u548c\u5b66\u6821\u6a21\u578b\u3002\u5728\u5b66\u751f\u6a21\u578b\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7belongsTo\u51fd\u6570\u5b9a\u4e49\u5b66\u6821\u6a21\u578b\uff0c\u5982\u4e0b\u6240\u793a\uff1a class Student extends Model { public function school() { return $this-&gt;belongsTo(School::class); } } \u767b\u5f55\u540e\u590d\u5236 \u5728\u5b66\u6821\u6a21\u578b\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7hasOne\u51fd\u6570\u5b9a\u4e49\u5b66\u751f\u6a21\u578b\uff0c\u5982\u4e0b\u6240\u793a\uff1a class School extends Model { public function student() { return $this-&gt;hasOne(Student::class); } } \u767b\u5f55\u540e\u590d\u5236 \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e24\u4e2a\u6a21\u578b\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u5373\u5b66\u751f\u548c\u5b66\u6821\u3002\u5b66\u751f\u53ea\u5c5e\u4e8e\u4e00\u4e2a\u5b66\u6821\uff0c\u800c\u5b66\u6821\u53ea\u6709\u4e00\u4e2a\u5b66\u751f\u3002 \u5b9e\u73b0\u4e00\u5bf9\u591a\u5173\u7cfb \u5728Laravel Eloquent\u4e2d\uff0c\u4f7f\u7528belongsTo\u548chasMany\u51fd\u6570\u6765\u8868\u793a\u4e00\u5bf9\u591a\u5173\u7cfb\u3002\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u8ba9\u6211\u4eec\u770b\u770b\u5982\u4f55\u901a\u8fc7Eloquent\u5b9e\u73b0\u4e00\u5bf9\u591a\u5173\u7cfb\u3002 \u9700\u8981\u521b\u5efa\u4e24\u4e2a\u6a21\u578b\uff0c\u6bd4\u5982\u90e8\u95e8\u548c\u5458\u5de5\u6a21\u578b\u3002\u5728\u5458\u5de5\u6a21\u578b\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7belongsTo\u51fd\u6570\u5b9a\u4e49\u90e8\u95e8\u6a21\u578b\uff0c\u5982\u4e0b\u6240\u793a\uff1a class Employee extends Model { public function […]<\/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-23348","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/23348","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=23348"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/23348\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=23348"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=23348"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=23348"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}