{"id":206066,"date":"2025-06-12T10:32:22","date_gmt":"2025-06-12T02:32:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/206066\/"},"modified":"2025-06-12T10:32:22","modified_gmt":"2025-06-12T02:32:22","slug":"gorm-%e4%b8%ad%e5%a6%82%e4%bd%95%e5%ae%9e%e7%8e%b0%e4%b8%80%e5%af%b9%e4%b8%80%e5%85%b3%e8%81%94%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/206066\/","title":{"rendered":"Gorm \u4e2d\u5982\u4f55\u5b9e\u73b0\u4e00\u5bf9\u4e00\u5173\u8054\uff1f"},"content":{"rendered":"

\u76ee\u524dGOLANG\u4e0a\u5df2\u7ecf\u6709\u5f88\u591a\u5173\u4e8e
\nGOLANG<\/span>\u7684\u6587\u7ae0\u4e86\uff0c\u81ea\u5df1\u5728\u521d\u6b21\u9605\u8bfb\u8fd9\u4e9b\u6587\u7ae0\u4e2d\uff0c\u4e5f\u89c1\u8bc6\u5230\u4e86\u5f88\u591a\u5b66\u4e60\u601d\u8def\uff1b\u90a3\u4e48\u672c\u6587
\n\u300aGorm \u4e2d\u5982\u4f55\u5b9e\u73b0\u4e00\u5bf9\u4e00\u5173\u8054\uff1f \u300b<\/span>\uff0c\u4e5f\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff0c\u5982\u679c\u9605\u8bfb\u5b8c\u540e\u771f\u7684\u5bf9\u4f60\u5b66\u4e60
\nGOLANG<\/span>\u6709\u5e2e\u52a9\uff0c\u6b22\u8fce\u52a8\u52a8\u624b\u6307\uff0c\u8bc4\u8bba\u7559\u8a00\u5e76\u5206\u4eab~,
\n,
\ngorm \u4e2d\u5982\u4f55\u521b\u5efa\u4e00\u5bf9\u4e00\u5173\u8054<\/strong>,gorm \u4e2d\u7684\u4e00\u5bf9\u4e00\u5173\u8054\u6307\u7684\u662f\u4e24\u4e2a\u8868\u4e4b\u95f4\u53ea\u80fd\u6709\u4e00\u6761\u5173\u8054\u8bb0\u5f55\u3002\u4f8b\u5982\uff0c\u4e00\u4e2a\u7528\u6237\u8868\u548c\u4e00\u4e2a\u7528\u6237\u4fe1\u606f\u8868\uff0c\u5176\u4e2d\u7528\u6237\u8868\u4e2d\u7684\u6bcf\u4e2a\u7528\u6237\u53ea\u80fd\u6709\u4e00\u4e2a\u7528\u6237\u4fe1\u606f\u8bb0\u5f55\u3002\u8981\u8bbe\u7f6e\u8fd9\u79cd\u5173\u8054\uff0c\u6211\u4eec\u9700\u8981\u5728\u6a21\u578b\u4e2d\u5b9a\u4e49\u4e24\u4e2a\u6a21\u578b\u4e4b\u95f4\u7684\u5173\u7cfb\u3002,\u5177\u4f53\u6765\u8bf4\uff0c\u5728 user \u6a21\u578b\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u6dfb\u52a0\u4e00\u4e2a userinfo \u5b57\u6bb5\uff0c\u5e76\u6307\u5b9a\u4ee5\u4e0b\u4fe1\u606f\uff1a,\u5728 userinfo \u6a21\u578b\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u5b9a\u4e49\u4e00\u4e2a userid \u5b57\u6bb5\uff0c\u5e76\u6307\u5b9a foreignkey\uff0c\u5c06\u5b83\u5173\u8054\u5230 user \u6a21\u578b\u4e2d\u7684\u4e3b\u952e\u3002,\u4ee3\u7801\u793a\u4f8b\uff1a,\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u5728\u67e5\u8be2 user \u8868\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 preload \u6216 related \u65b9\u6cd5\u6765\u540c\u65f6\u83b7\u53d6\u5173\u8054\u7684 userinfo \u8bb0\u5f55\u3002,
\n\u793a\u4f8b\u4ee3\u7801\uff1a<\/strong>,\u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300aGorm \u4e2d\u5982\u4f55\u5b9e\u73b0\u4e00\u5bf9\u4e00\u5173\u8054\uff1f \u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002,associationforeignkey: \u8be5\u5b57\u6bb5\u6307\u5b9a\u5f53\u524d\u6a21\u578b\u4e2d\u7684\u4e3b\u952e\u5b57\u6bb5\u540d\u79f0\u3002,foreignkey: \u8be5\u5b57\u6bb5\u6307\u5b9a\u5173\u8054\u8868\u4e2d\u7684\u5916\u952e\u5b57\u6bb5\u540d\u79f0\u3002,gorm \u4e2d\u5982\u4f55\u521b\u5efa\u4e00\u5bf9\u4e00\u5173\u8054,\u76ee\u524dGOLANG\u4e0a\u5df2\u7ecf\u6709\u5f88\u591a\u5173\u4e8e
\nGOLANG<\/span>\u7684\u6587\u7ae0\u4e86\uff0c\u81ea\u5df1\u5728\u521d\u6b21\u9605\u8bfb\u8fd9\u4e9b\u6587\u7ae0\u4e2d\uff0c\u4e5f\u89c1\u8bc6\u5230\u4e86\u5f88\u591a\u5b66\u4e60\u601d\u8def\uff1b\u90a3\u4e48\u672c\u6587
\n\u300aGorm \u4e2d\u5982\u4f55\u5b9e\u73b0\u4e00\u5bf9\u4e00\u5173\u8054\uff1f \u300b<\/span>\uff0c\u4e5f\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff0c\u5982\u679c\u9605\u8bfb\u5b8c\u540e\u771f\u7684\u5bf9\u4f60\u5b66\u4e60
\nGOLANG<\/span>\u6709\u5e2e\u52a9\uff0c\u6b22\u8fce\u52a8\u52a8\u624b\u6307\uff0c\u8bc4\u8bba\u7559\u8a00\u5e76\u5206\u4eab~,
\n<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> Gorm \u4e2d\u5982\u4f55\u5b9e\u73b0\u4e00\u5bf9\u4e00\u5173\u8054\uff1f <\/span><\/p>\n

Gorm \u4e2d\u5982\u4f55\u5b9e\u73b0\u4e00\u5bf9\u4e00\u5173\u8054\uff1f <\/h1>\n

2024-11-02 14:07:05<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u76ee\u524dGOLANG\u4e0a\u5df2\u7ecf\u6709\u5f88\u591a\u5173\u4e8eGOLANG<\/span>\u7684\u6587\u7ae0\u4e86\uff0c\u81ea\u5df1\u5728\u521d\u6b21\u9605\u8bfb\u8fd9\u4e9b\u6587\u7ae0\u4e2d\uff0c\u4e5f\u89c1\u8bc6\u5230\u4e86\u5f88\u591a\u5b66\u4e60\u601d\u8def\uff1b\u90a3\u4e48\u672c\u6587\u300aGorm \u4e2d\u5982\u4f55\u5b9e\u73b0\u4e00\u5bf9\u4e00\u5173\u8054\uff1f \u300b<\/span>\uff0c\u4e5f\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff0c\u5982\u679c\u9605\u8bfb\u5b8c\u540e\u771f\u7684\u5bf9\u4f60\u5b66\u4e60GOLANG<\/span>\u6709\u5e2e\u52a9\uff0c\u6b22\u8fce\u52a8\u52a8\u624b\u6307\uff0c\u8bc4\u8bba\u7559\u8a00\u5e76\u5206\u4eab~<\/p>\n

<\/p>\n

gorm \u4e2d\u5982\u4f55\u521b\u5efa\u4e00\u5bf9\u4e00\u5173\u8054<\/strong><\/p>\n

gorm \u4e2d\u7684\u4e00\u5bf9\u4e00\u5173\u8054\u6307\u7684\u662f\u4e24\u4e2a\u8868\u4e4b\u95f4\u53ea\u80fd\u6709\u4e00\u6761\u5173\u8054\u8bb0\u5f55\u3002\u4f8b\u5982\uff0c\u4e00\u4e2a\u7528\u6237\u8868\u548c\u4e00\u4e2a\u7528\u6237\u4fe1\u606f\u8868\uff0c\u5176\u4e2d\u7528\u6237\u8868\u4e2d\u7684\u6bcf\u4e2a\u7528\u6237\u53ea\u80fd\u6709\u4e00\u4e2a\u7528\u6237\u4fe1\u606f\u8bb0\u5f55\u3002\u8981\u8bbe\u7f6e\u8fd9\u79cd\u5173\u8054\uff0c\u6211\u4eec\u9700\u8981\u5728\u6a21\u578b\u4e2d\u5b9a\u4e49\u4e24\u4e2a\u6a21\u578b\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/p>\n

\u5177\u4f53\u6765\u8bf4\uff0c\u5728 user \u6a21\u578b\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u6dfb\u52a0\u4e00\u4e2a userinfo \u5b57\u6bb5\uff0c\u5e76\u6307\u5b9a\u4ee5\u4e0b\u4fe1\u606f\uff1a<\/p>\n

    \n
  • foreignkey: \u8be5\u5b57\u6bb5\u6307\u5b9a\u5173\u8054\u8868\u4e2d\u7684\u5916\u952e\u5b57\u6bb5\u540d\u79f0\u3002<\/li>\n
  • associationforeignkey: \u8be5\u5b57\u6bb5\u6307\u5b9a\u5f53\u524d\u6a21\u578b\u4e2d\u7684\u4e3b\u952e\u5b57\u6bb5\u540d\u79f0\u3002<\/li>\n<\/ul>\n

    \u5728 userinfo \u6a21\u578b\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u5b9a\u4e49\u4e00\u4e2a userid \u5b57\u6bb5\uff0c\u5e76\u6307\u5b9a foreignkey\uff0c\u5c06\u5b83\u5173\u8054\u5230 user \u6a21\u578b\u4e2d\u7684\u4e3b\u952e\u3002<\/p>\n

    \u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n

    type user struct {\n    uid        uint64   `gorm:\"column:uid;primary_key\"`\n    username   string   `gorm:\"column:username;type:varchar(50);\"`\n    status     bool     `gorm:\"column:status;type:int(10)\"`\n    userinfo   userinfo `gorm:\"foreignkey:uid;associationforeignkey:userid\"`\n}\n\ntype userinfo struct {\n    id         uint64   `gorm:\"column:id;primary_key\"`\n    userid     uint64   `gorm:\"column:user_id;type:bigint(20)\"`\n    age        uint64   `gorm:\"column:age;type:int(10)\"`\n    openid     string   `gorm:\"column:openid;type:varchar(250)\"`\n}<\/pre>\n
    \u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u5728\u67e5\u8be2 user \u8868\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 preload \u6216 related \u65b9\u6cd5\u6765\u540c\u65f6\u83b7\u53d6\u5173\u8054\u7684 userinfo \u8bb0\u5f55\u3002<\/p>\n
    \u793a\u4f8b\u4ee3\u7801\uff1a<\/strong><\/p>\n
    orm, _ := gorm.Open(...)\n\/\/ \u4f7f\u7528 Preload\nvar user User\norm.Model(User{}).Preload(\"UserInfo\").Find(&user, 1001)\nfmt.Println(user.UserInfo.Age)\n\n\/\/ \u4f7f\u7528 Related\nvar u User\nvar userInfo UserInfo\norm.Find(&u, 1001)\norm.Model(&u).Related(&userInfo)<\/pre>\n
    \u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300aGorm \u4e2d\u5982\u4f55\u5b9e\u73b0\u4e00\u5bf9\u4e00\u5173\u8054\uff1f \u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n
    \n
    \n <\/dt>\n
    \n   \u5982\u4f55\u5229\u7528\u7535\u8111\u8fdb\u884c\u9ad8\u6548\u5efa\u7b51\u8bbe\u8ba1\n <\/dd>\n<\/dl>\n
    \n
    \n <\/dt>\n
    \n   \u8054\u60f3\u7535\u8111\u7684office\u4ea7\u54c1\u5bc6\u5319\u5728\u54ea\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
    \u76ee\u524dGOLANG\u4e0a\u5df2\u7ecf\u6709\u5f88\u591a\u5173\u4e8e...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-206066","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206066","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=206066"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206066\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=206066"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=206066"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=206066"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}