{"id":23979,"date":"2024-11-21T14:41:43","date_gmt":"2024-11-21T06:41:43","guid":{"rendered":"https:\/\/fwq.ai\/blog\/23979\/"},"modified":"2024-11-21T14:41:43","modified_gmt":"2024-11-21T06:41:43","slug":"yii%e6%a1%86%e6%9e%b6%e4%b8%ad%e7%9a%84%e6%95%b0%e6%8d%ae%e5%85%b3%e8%81%94%ef%bc%9a%e5%ae%9e%e7%8e%b0%e6%95%b0%e6%8d%ae%e5%85%b3%e7%b3%bb","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/23979\/","title":{"rendered":"Yii\u6846\u67b6\u4e2d\u7684\u6570\u636e\u5173\u8054\uff1a\u5b9e\u73b0\u6570\u636e\u5173\u7cfb"},"content":{"rendered":"

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    \n
  1. \u4e00\u5bf9\u4e00\u5173\u8054<\/li>\n<\/ol>\n

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    class Publisher extends ActiveRecord\n{\n    public function getAuthor()\n    {\n        return $this-&gt;hasOne(Author::class, ['id' =&gt; 'author_id']);\n    }\n}\n\nclass Author extends ActiveRecord\n{\n    public function getPublisher()\n    {\n        return $this-&gt;hasOne(Publisher::class, ['author_id' =&gt; 'id']);\n    }\n}<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    \u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u5728Publisher\u6a21\u578b\u4e2d\u5b9a\u4e49\u4e86\u4e00\u4e2agetAuthor()\u65b9\u6cd5\u6765\u5b9e\u73b0\u4e00\u5bf9\u4e00\u5173\u8054\uff0c\u5176\u4e2dhasOne()\u65b9\u6cd5\u7528\u4e8e\u5efa\u7acbAuthor\u6a21\u578b\u4e0ePublisher\u6a21\u578b\u7684\u5173\u8054\u3002<\/p>\n
      \n
    1. \u4e00\u5bf9\u591a\u5173\u8054<\/li>\n<\/ol>\n
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      class Author extends ActiveRecord\n{\n    public function getPublications()\n    {\n        return $this-&gt;hasMany(Publication::class, ['id' =&gt; 'author_id']);\n    }\n}<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
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        \n
      1. \u591a\u5bf9\u591a\u5173\u8054<\/li>\n<\/ol>\n
        \u591a\u5bf9\u591a\u5173\u8054\u6307\u7684\u662f\u4e24\u4e2a\u6a21\u578b\u4e4b\u95f4\u5b58\u5728\u591a\u4e2a\u76f8\u4e92\u5bf9\u5e94\u7684\u5173\u7cfb\uff0c\u4f8b\u5982\u4e00\u4e2a\u4f5c\u8005\u53ef\u4ee5\u4e0e\u591a\u4e2a\u6807\u7b7e\u76f8\u5bf9\u5e94\uff0c\u4e00\u4e2a\u6807\u7b7e\u4e5f\u53ef\u4ee5\u5bf9\u5e94\u591a\u4e2a\u4f5c\u8005\u3002\u5728Yii\u6846\u67b6\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7hasMany()\u548cviaTable()\u65b9\u6cd5\u6765\u5b9e\u73b0\u591a\u5bf9\u591a\u5173\u8054\u3002\u4f8b\u5982\uff1a<\/p>\n
        class Author extends ActiveRecord\n{\n    public function getTags()\n    {\n        return $this-&gt;hasMany(Tag::class, ['id' =&gt; 'tag_id'])\n            -&gt;viaTable('author_tag', ['author_id' =&gt; 'id']);\n    }\n}\n\nclass Tag extends ActiveRecord\n{\n    public function getAuthors()\n    {\n        return $this-&gt;hasMany(Author::class, ['id' =&gt; 'author_id'])\n            -&gt;viaTable('author_tag', ['tag_id' =&gt; 'id']);\n    }\n}<\/pre>\n
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        \u4e09\u3001\u6570\u636e\u5173\u8054\u7684\u4f7f\u7528<\/p>\n
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          \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
        \u56db\u3001\u603b\u7ed3<\/p>\n
        \u6570\u636e\u5173\u8054\u662fYii\u6846\u67b6\u4e2d\u4e00\u4e2a\u975e\u5e38\u6709\u7528\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u8f7b\u677e\u5730\u5efa\u7acb\u6a21\u578b\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u4ecb\u7ecd\u4e86Yii\u6846\u67b6\u4e2d\u7684\u4e09\u79cd\u6570\u636e\u5173\u8054\u7c7b\u578b\uff1a\u4e00\u5bf9\u4e00\u3001\u4e00\u5bf9\u591a\u548c\u591a\u5bf9\u591a\uff0c\u4ee5\u53ca\u5982\u4f55\u5b9e\u73b0\u548c\u4f7f\u7528\u6570\u636e\u5173\u8054\u3002\u638c\u63e1\u6570\u636e\u5173\u8054\u7684\u4f7f\u7528\u65b9\u6cd5\uff0c\u53ef\u4ee5\u8ba9\u6211\u4eec\u66f4\u597d\u5730\u5f00\u53d1Yii\u5e94\u7528\u7a0b\u5e8f\uff0c\u63d0\u9ad8\u5f00\u53d1\u6548\u7387\u3002<\/p>\n
        \u4ee5\u4e0a\u5c31\u662fYii\u6846\u67b6\u4e2d\u7684\u6570\u636e\u5173\u8054\uff1a\u5b9e\u73b0\u6570\u636e\u5173\u7cfb\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":"
        yii\u6846\u67b6\u662f\u4e00\u6b3e\u9ad8\u6548\u3001\u7075\u6d3b\u7684php\u6846\u67b6\uff0c\u5b83\u62e5\u6709\u8bb8\u591a\u5f3a\u5927\u7684\u529f\u80fd\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u6570\u636e\u5173\u8054\u3002\u6570\u636e\u5173\u8054\u53ef\u4ee5\u8ba9\u6211\u4eec\u8f7b\u677e\u5730\u5efa\u7acb\u6a21\u578b\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u5927\u5927\u7b80\u5316\u4e86\u5f00\u53d1\u5de5\u4f5c\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u4ecb\u7ecdyii\u6846\u67b6\u4e2d\u7684\u6570\u636e\u5173\u8054\uff0c\u5982\u4f55\u5b9e\u73b0\u6570\u636e\u5173\u7cfb\u3002 \u4e00\u3001\u4ec0\u4e48\u662f\u6570\u636e\u5173\u8054 \u6570\u636e\u5173\u8054\u6307\u7684\u662f\u5c06\u4e0d\u540c\u6570\u636e\u8868\u7684\u6570\u636e\u901a\u8fc7\u67d0\u79cd\u65b9\u5f0f\u8054\u7cfb\u8d77\u6765\uff0c\u5f62\u6210\u4e00\u5b9a\u7684\u6570\u636e\u5173\u7cfb\uff0c\u65b9\u4fbf\u6211\u4eec\u5bf9\u4e8e\u6570\u636e\u7684\u5904\u7406\u548c\u67e5\u8be2\u3002\u5728Yii\u6846\u67b6\u4e2d\uff0c\u6570\u636e\u5173\u8054\u662f\u901a\u8fc7\u6a21\u578b\u4e4b\u95f4\u7684\u5173\u8054\u6765\u5b9e\u73b0\u7684\u3002 \u4e8c\u3001Yii\u6846\u67b6\u4e2d\u7684\u6570\u636e\u5173\u8054 \u5728Yii\u6846\u67b6\u4e2d\uff0c\u6570\u636e\u5173\u8054\u6709\u4e09\u79cd\u7c7b\u578b\uff1a\u4e00\u5bf9\u4e00\u3001\u4e00\u5bf9\u591a\u548c\u591a\u5bf9\u591a\u3002 \u4e00\u5bf9\u4e00\u5173\u8054 \u4e00\u5bf9\u4e00\u5173\u8054\u6307\u7684\u662f\u4e24\u4e2a\u6a21\u578b\u4e4b\u95f4\u53ea\u6709\u4e00\u4e2a\u76f8\u4e92\u5bf9\u5e94\u7684\u5173\u7cfb\uff0c\u4f8b\u5982\u4e00\u4e2a\u4f5c\u8005\u53ea\u6709\u4e00\u4e2a\u51fa\u7248\u793e\u3002\u5728Yii\u6846\u67b6\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7hasOne()\u65b9\u6cd5\u6765\u5b9e\u73b0\u4e00\u5bf9\u4e00\u5173\u8054\u3002\u4f8b\u5982\uff1a class Publisher extends ActiveRecord { public function getAuthor() { return $this-&gt;hasOne(Author::class, [‘id’ =&gt; ‘author_id’]); } } class Author extends ActiveRecord { public function getPublisher() { return $this-&gt;hasOne(Publisher::class, [‘author_id’ =&gt; ‘id’]); } } \u767b\u5f55\u540e\u590d\u5236 \u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u5728Publisher\u6a21\u578b\u4e2d\u5b9a\u4e49\u4e86\u4e00\u4e2agetAuthor()\u65b9\u6cd5\u6765\u5b9e\u73b0\u4e00\u5bf9\u4e00\u5173\u8054\uff0c\u5176\u4e2dhasOne()\u65b9\u6cd5\u7528\u4e8e\u5efa\u7acbAuthor\u6a21\u578b\u4e0ePublisher\u6a21\u578b\u7684\u5173\u8054\u3002 \u4e00\u5bf9\u591a\u5173\u8054 \u4e00\u5bf9\u591a\u5173\u8054\u6307\u7684\u662f\u4e00\u4e2a\u6a21\u578b\u53ef\u4ee5\u5bf9\u5e94\u591a\u4e2a\u6570\u636e\u8bb0\u5f55\uff0c\u4f8b\u5982\u4e00\u4e2a\u4f5c\u8005\u53ef\u4ee5\u6709\u591a\u4e2a\u51fa\u7248\u7269\u3002\u5728Yii\u6846\u67b6\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7hasMany()\u65b9\u6cd5\u6765\u5b9e\u73b0\u4e00\u5bf9\u591a\u5173\u8054\u3002\u4f8b\u5982\uff1a class Author extends ActiveRecord { public function getPublications() { return $this-&gt;hasMany(Publication::class, [‘id’ […]<\/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-23979","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/23979","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=23979"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/23979\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=23979"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=23979"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=23979"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}