{"id":40822,"date":"2024-12-01T11:23:16","date_gmt":"2024-12-01T03:23:16","guid":{"rendered":"https:\/\/fwq.ai\/blog\/40822\/"},"modified":"2024-12-01T11:23:16","modified_gmt":"2024-12-01T03:23:16","slug":"go-%e4%b8%ad-gorm-%e9%a2%84%e5%8a%a0%e8%bd%bd%e5%a6%82%e4%bd%95%e8%87%aa%e5%ae%9a%e4%b9%89%e6%8e%92%e5%ba%8f%e5%92%8c%e8%bf%87%e6%bb%a4%e5%85%b3%e8%81%94%e6%95%b0%e6%8d%ae%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/40822\/","title":{"rendered":"Go \u4e2d GORM \u9884\u52a0\u8f7d\u5982\u4f55\u81ea\u5b9a\u4e49\u6392\u5e8f\u548c\u8fc7\u6ee4\u5173\u8054\u6570\u636e\uff1f"},"content":{"rendered":"

\u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u90fd\u6253\u5f00\u8fd9\u7bc7
\n\u300aGo \u4e2d GORM \u9884\u52a0\u8f7d\u5982\u4f55\u81ea\u5b9a\u4e49\u6392\u5e8f\u548c\u8fc7\u6ee4\u5173\u8054\u6570\u636e\uff1f\u300b<\/span>\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\uff0c\u5b66\u4e0b\u53bb\u5427\uff01\u672c\u6587\u4e3b\u8981\u4f1a\u7ed9\u5927\u5bb6\u8bb2\u5230
\n<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u5927\u5bb6\u5bf9\u672c\u6587\u6709\u597d\u7684\u5efa\u8bae\u6216\u8005\u770b\u5230\u6709\u4e0d\u8db3\u4e4b\u5904\uff0c\u975e\u5e38\u6b22\u8fce\u5927\u5bb6\u79ef\u6781\u63d0\u51fa\uff01\u5728\u540e\u7eed\u6587\u7ae0\u6211\u4f1a\u7ee7\u7eed\u66f4\u65b0
\nGolang<\/span>\u76f8\u5173\u7684\u5185\u5bb9\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u90fd\u6709\u6240\u5e2e\u52a9\uff01,
\n\"Go,
\ngo \u4e2d gorm \u81ea\u5b9a\u4e49\u9884\u52a0\u8f7d\u7684\u7528\u6cd5<\/strong>,\u60f3\u8981\u901a\u8fc7\u9884\u52a0\u8f7d\u67e5\u8be2\u5bf9\u8c61\u5173\u8054\u6570\u636e\uff0c\u800c\u81ea\u5b9a\u4e49\u9884\u52a0\u8f7d\u7684\u7528\u6cd5\u9700\u8981\u4f7f\u7528 func(query *gorm.db) *gorm.db {} \u8fd9\u4e2a\u533f\u540d\u51fd\u6570\u3002\u5728\u8fd9\u4e2a\u56de\u8c03\u51fd\u6570\u91cc\uff0c\u53ef\u4ee5\u5bf9\u5173\u8054\u67e5\u8be2\u7684\u7ed3\u679c\u8fdb\u884c\u63a7\u5236\u548c\u64cd\u4f5c\uff0c\u6bd4\u5982\u6392\u5e8f\u3001\u8fc7\u6ee4\u7b49\u3002,\u4f8b\u5982\uff0c\u5047\u8bbe\u9700\u8981\u67e5\u8be2\u5546\u54c1\u5217\u8868\uff0c\u5e76\u6309\u7167\u5546\u54c1 id \u964d\u5e8f\u6392\u5e8f\uff1a,\u5728\u8fd9\u4e2a\u9884\u52a0\u8f7d\u56de\u8c03\u51fd\u6570\u4e2d\uff0cquery.order(“goods_id desc”) \u8868\u793a\u6309\u7167\u5546\u54c1 id \u964d\u5e8f\u6392\u5e8f\u5173\u8054\u67e5\u8be2\u7684\u7ed3\u679c\u3002,\u6848\u4f8b\u4e2d\u9047\u5230\u7684\u9519\u8bef\uff0c\u662f\u56e0\u4e3a go \u7684 gorm v1 \u548c v2 \u7248\u672c\u7684\u4e0d\u540c\u3002\u8fd9\u4e2a\u95ee\u9898\u5df2\u5f97\u5230\u89e3\u51b3\uff0c\u8bf7\u786e\u4fdd\u4f7f\u7528\u6b63\u786e\u7684\u7248\u672c\u3002,\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300aGo \u4e2d GORM \u9884\u52a0\u8f7d\u5982\u4f55\u81ea\u5b9a\u4e49\u6392\u5e8f\u548c\u8fc7\u6ee4\u5173\u8054\u6570\u636e\uff1f\u300b\u7684\u5185\u5bb9\u4e86\u3002\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u57fa\u7840\u77e5\u8bc6\u7684\u5b66\u4e60\u548c\u5de9\u56fa\uff0c\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u5c06\u5176\u8fd0\u7528\u5230\u9879\u76ee\u4e2d\uff0c\u6b22\u8fce\u5173\u6ce8golang\u5b66\u4e60\u7f51\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u77e5\u8bc6\u70b9\uff01,go \u4e2d gorm \u81ea\u5b9a\u4e49\u9884\u52a0\u8f7d\u7684\u7528\u6cd5,\u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u90fd\u6253\u5f00\u8fd9\u7bc7
\n\u300aGo \u4e2d GORM \u9884\u52a0\u8f7d\u5982\u4f55\u81ea\u5b9a\u4e49\u6392\u5e8f\u548c\u8fc7\u6ee4\u5173\u8054\u6570\u636e\uff1f\u300b<\/span>\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\uff0c\u5b66\u4e0b\u53bb\u5427\uff01\u672c\u6587\u4e3b\u8981\u4f1a\u7ed9\u5927\u5bb6\u8bb2\u5230
\n<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u5927\u5bb6\u5bf9\u672c\u6587\u6709\u597d\u7684\u5efa\u8bae\u6216\u8005\u770b\u5230\u6709\u4e0d\u8db3\u4e4b\u5904\uff0c\u975e\u5e38\u6b22\u8fce\u5927\u5bb6\u79ef\u6781\u63d0\u51fa\uff01\u5728\u540e\u7eed\u6587\u7ae0\u6211\u4f1a\u7ee7\u7eed\u66f4\u65b0
\nGolang<\/span>\u76f8\u5173\u7684\u5185\u5bb9\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u90fd\u6709\u6240\u5e2e\u52a9\uff01,
\n<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> Go \u4e2d GORM \u9884\u52a0\u8f7d\u5982\u4f55\u81ea\u5b9a\u4e49\u6392\u5e8f\u548c\u8fc7\u6ee4\u5173\u8054\u6570\u636e\uff1f<\/span><\/p>\n

Go \u4e2d GORM \u9884\u52a0\u8f7d\u5982\u4f55\u81ea\u5b9a\u4e49\u6392\u5e8f\u548c\u8fc7\u6ee4\u5173\u8054\u6570\u636e\uff1f<\/h1>\n

2024-10-28 19:07:13<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u90fd\u6253\u5f00\u8fd9\u7bc7\u300aGo \u4e2d GORM \u9884\u52a0\u8f7d\u5982\u4f55\u81ea\u5b9a\u4e49\u6392\u5e8f\u548c\u8fc7\u6ee4\u5173\u8054\u6570\u636e\uff1f\u300b<\/span>\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\uff0c\u5b66\u4e0b\u53bb\u5427\uff01\u672c\u6587\u4e3b\u8981\u4f1a\u7ed9\u5927\u5bb6\u8bb2\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u5927\u5bb6\u5bf9\u672c\u6587\u6709\u597d\u7684\u5efa\u8bae\u6216\u8005\u770b\u5230\u6709\u4e0d\u8db3\u4e4b\u5904\uff0c\u975e\u5e38\u6b22\u8fce\u5927\u5bb6\u79ef\u6781\u63d0\u51fa\uff01\u5728\u540e\u7eed\u6587\u7ae0\u6211\u4f1a\u7ee7\u7eed\u66f4\u65b0Golang<\/span>\u76f8\u5173\u7684\u5185\u5bb9\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u90fd\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n

\"Go<\/p>\n

go \u4e2d gorm \u81ea\u5b9a\u4e49\u9884\u52a0\u8f7d\u7684\u7528\u6cd5<\/strong><\/p>\n

\u60f3\u8981\u901a\u8fc7\u9884\u52a0\u8f7d\u67e5\u8be2\u5bf9\u8c61\u5173\u8054\u6570\u636e\uff0c\u800c\u81ea\u5b9a\u4e49\u9884\u52a0\u8f7d\u7684\u7528\u6cd5\u9700\u8981\u4f7f\u7528 func(query *gorm.db) *gorm.db {} \u8fd9\u4e2a\u533f\u540d\u51fd\u6570\u3002\u5728\u8fd9\u4e2a\u56de\u8c03\u51fd\u6570\u91cc\uff0c\u53ef\u4ee5\u5bf9\u5173\u8054\u67e5\u8be2\u7684\u7ed3\u679c\u8fdb\u884c\u63a7\u5236\u548c\u64cd\u4f5c\uff0c\u6bd4\u5982\u6392\u5e8f\u3001\u8fc7\u6ee4\u7b49\u3002<\/p>\n

\u4f8b\u5982\uff0c\u5047\u8bbe\u9700\u8981\u67e5\u8be2\u5546\u54c1\u5217\u8868\uff0c\u5e76\u6309\u7167\u5546\u54c1 id \u964d\u5e8f\u6392\u5e8f\uff1a<\/p>\n

type LabelType struct {\n    ...\n    GoodsList []Goods `gorm:\"ForeignKey:LabelId\" json:\"goods_list\"` \/\/\u67e5\u8be2\u5f53\u524d\u5206\u7c7b\u4e0b\u7684\u5546\u54c1\u96c6\u5408\n}\n\ntype Goods struct {\n    ...\n    Category Category `gorm:\"foreignkey:CategoryID\" json:\"category\"` \/\/\u5206\u7c7b\u8868\n}\n\nfunc (labelModel *LabelType) GetAll(params *request.IndexParams) (labelTypes []*LabelType) {\n    err := db.Debug().Model(&labelTypes).\n        Preload(\"GoodsList\", func(query *gorm.DB) *gorm.DB {\n            return query.Order(\"goods_id desc\")\n        }).\n        Preload(\"GoodsList.Category\").\n        Where(\"mall_id = ? and status = ?\", params.MallId, \"normal\").Order(\"weigh desc\").\n        Find(&labelTypes).Error\n    if err != nil && err != gorm.ErrRecordNotFound {\n        return nil\n    }\n    return labelTypes\n}<\/pre>\n
\u5728\u8fd9\u4e2a\u9884\u52a0\u8f7d\u56de\u8c03\u51fd\u6570\u4e2d\uff0cquery.order(“goods_id desc”) \u8868\u793a\u6309\u7167\u5546\u54c1 id \u964d\u5e8f\u6392\u5e8f\u5173\u8054\u67e5\u8be2\u7684\u7ed3\u679c\u3002<\/p>\n
\u6848\u4f8b\u4e2d\u9047\u5230\u7684\u9519\u8bef\uff0c\u662f\u56e0\u4e3a go \u7684 gorm v1 \u548c v2 \u7248\u672c\u7684\u4e0d\u540c\u3002\u8fd9\u4e2a\u95ee\u9898\u5df2\u5f97\u5230\u89e3\u51b3\uff0c\u8bf7\u786e\u4fdd\u4f7f\u7528\u6b63\u786e\u7684\u7248\u672c\u3002<\/p>\n
\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300aGo \u4e2d GORM \u9884\u52a0\u8f7d\u5982\u4f55\u81ea\u5b9a\u4e49\u6392\u5e8f\u548c\u8fc7\u6ee4\u5173\u8054\u6570\u636e\uff1f\u300b\u7684\u5185\u5bb9\u4e86\u3002\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u57fa\u7840\u77e5\u8bc6\u7684\u5b66\u4e60\u548c\u5de9\u56fa\uff0c\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u5c06\u5176\u8fd0\u7528\u5230\u9879\u76ee\u4e2d\uff0c\u6b22\u8fce\u5173\u6ce8golang\u5b66\u4e60\u7f51\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u77e5\u8bc6\u70b9\uff01<\/p>\n
\n
\n <\/dt>\n
\n   \u7535\u8111\u5bc6\u7801\u600e\u4e48\u5173\u95ed?\n <\/dd>\n<\/dl>\n
\n
\n <\/dt>\n
\n   \u5982\u4f55\u8bbe\u7f6e HTML \u8f93\u5165\u6846\u7684\u6570\u5b57\u6700\u4f4e\u9650\u5236\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
\u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u90fd\u6253\u5f00\u8fd9\u7bc7 \u300aGo \u4e2d GORM \u9884\u52a0\u8f7d\u5982\u4f55\u81ea\u5b9a\u4e49\u6392\u5e8f\u548c\u8fc7\u6ee4\u5173\u8054\u6570\u636e\uff1f\u300b\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\uff0c\u5b66\u4e0b\u53bb\u5427\uff01\u672c\u6587\u4e3b\u8981\u4f1a\u7ed9\u5927\u5bb6\u8bb2\u5230 \u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u5927\u5bb6\u5bf9\u672c\u6587\u6709\u597d\u7684\u5efa\u8bae\u6216\u8005\u770b\u5230\u6709\u4e0d\u8db3\u4e4b\u5904\uff0c\u975e\u5e38\u6b22\u8fce\u5927\u5bb6\u79ef\u6781\u63d0\u51fa\uff01\u5728\u540e\u7eed\u6587\u7ae0\u6211\u4f1a\u7ee7\u7eed\u66f4\u65b0 Golang\u76f8\u5173\u7684\u5185\u5bb9\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u90fd\u6709\u6240\u5e2e\u52a9\uff01, , go \u4e2d gorm \u81ea\u5b9a\u4e49\u9884\u52a0\u8f7d\u7684\u7528\u6cd5,\u60f3\u8981\u901a\u8fc7\u9884\u52a0\u8f7d\u67e5\u8be2\u5bf9\u8c61\u5173\u8054\u6570\u636e\uff0c\u800c\u81ea\u5b9a\u4e49\u9884\u52a0\u8f7d\u7684\u7528\u6cd5\u9700\u8981\u4f7f\u7528 func(query *gorm.db) *gorm.db {} \u8fd9\u4e2a\u533f\u540d\u51fd\u6570\u3002\u5728\u8fd9\u4e2a\u56de\u8c03\u51fd\u6570\u91cc\uff0c\u53ef\u4ee5\u5bf9\u5173\u8054\u67e5\u8be2\u7684\u7ed3\u679c\u8fdb\u884c\u63a7\u5236\u548c\u64cd\u4f5c\uff0c\u6bd4\u5982\u6392\u5e8f\u3001\u8fc7\u6ee4\u7b49\u3002,\u4f8b\u5982\uff0c\u5047\u8bbe\u9700\u8981\u67e5\u8be2\u5546\u54c1\u5217\u8868\uff0c\u5e76\u6309\u7167\u5546\u54c1 id \u964d\u5e8f\u6392\u5e8f\uff1a,\u5728\u8fd9\u4e2a\u9884\u52a0\u8f7d\u56de\u8c03\u51fd\u6570\u4e2d\uff0cquery.order(“goods_id desc”) \u8868\u793a\u6309\u7167\u5546\u54c1 id \u964d\u5e8f\u6392\u5e8f\u5173\u8054\u67e5\u8be2\u7684\u7ed3\u679c\u3002,\u6848\u4f8b\u4e2d\u9047\u5230\u7684\u9519\u8bef\uff0c\u662f\u56e0\u4e3a go \u7684 gorm v1 \u548c v2 \u7248\u672c\u7684\u4e0d\u540c\u3002\u8fd9\u4e2a\u95ee\u9898\u5df2\u5f97\u5230\u89e3\u51b3\uff0c\u8bf7\u786e\u4fdd\u4f7f\u7528\u6b63\u786e\u7684\u7248\u672c\u3002,\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300aGo \u4e2d GORM \u9884\u52a0\u8f7d\u5982\u4f55\u81ea\u5b9a\u4e49\u6392\u5e8f\u548c\u8fc7\u6ee4\u5173\u8054\u6570\u636e\uff1f\u300b\u7684\u5185\u5bb9\u4e86\u3002\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u57fa\u7840\u77e5\u8bc6\u7684\u5b66\u4e60\u548c\u5de9\u56fa\uff0c\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u5c06\u5176\u8fd0\u7528\u5230\u9879\u76ee\u4e2d\uff0c\u6b22\u8fce\u5173\u6ce8golang\u5b66\u4e60\u7f51\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u77e5\u8bc6\u70b9\uff01,go \u4e2d gorm \u81ea\u5b9a\u4e49\u9884\u52a0\u8f7d\u7684\u7528\u6cd5,\u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u90fd\u6253\u5f00\u8fd9\u7bc7 \u300aGo \u4e2d GORM \u9884\u52a0\u8f7d\u5982\u4f55\u81ea\u5b9a\u4e49\u6392\u5e8f\u548c\u8fc7\u6ee4\u5173\u8054\u6570\u636e\uff1f\u300b\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\uff0c\u5b66\u4e0b\u53bb\u5427\uff01\u672c\u6587\u4e3b\u8981\u4f1a\u7ed9\u5927\u5bb6\u8bb2\u5230 \u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u5927\u5bb6\u5bf9\u672c\u6587\u6709\u597d\u7684\u5efa\u8bae\u6216\u8005\u770b\u5230\u6709\u4e0d\u8db3\u4e4b\u5904\uff0c\u975e\u5e38\u6b22\u8fce\u5927\u5bb6\u79ef\u6781\u63d0\u51fa\uff01\u5728\u540e\u7eed\u6587\u7ae0\u6211\u4f1a\u7ee7\u7eed\u66f4\u65b0 Golang\u76f8\u5173\u7684\u5185\u5bb9\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u90fd\u6709\u6240\u5e2e\u52a9\uff01, \u5f53\u524d\u4f4d\u7f6e\uff1a > > > > Go \u4e2d GORM \u9884\u52a0\u8f7d\u5982\u4f55\u81ea\u5b9a\u4e49\u6392\u5e8f\u548c\u8fc7\u6ee4\u5173\u8054\u6570\u636e\uff1f Go \u4e2d GORM \u9884\u52a0\u8f7d\u5982\u4f55\u81ea\u5b9a\u4e49\u6392\u5e8f\u548c\u8fc7\u6ee4\u5173\u8054\u6570\u636e\uff1f […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[],"class_list":["post-40822","post","type-post","status-publish","format-standard","hentry","category-docker"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/40822","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=40822"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/40822\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=40822"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=40822"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=40822"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}