{"id":200809,"date":"2025-05-06T14:21:17","date_gmt":"2025-05-06T06:21:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200809\/"},"modified":"2025-05-06T14:21:17","modified_gmt":"2025-05-06T06:21:17","slug":"nest-%e4%b8%ad-typeorm-%e4%be%9d%e8%b5%96%e8%a7%a3%e6%9e%90%e9%94%99%e8%af%af%ef%bc%9a%e4%b8%ba%e4%bb%80%e4%b9%88-bookservice-%e4%bc%9a%e6%8a%a5%e9%94%99nest-cant-resolve-dependencies","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200809\/","title":{"rendered":"Nest \u4e2d TypeORM \u4f9d\u8d56\u89e3\u6790\u9519\u8bef\uff1a\u4e3a\u4ec0\u4e48 BookService \u4f1a\u62a5\u9519\u201cNest can\\&#8217;t resolve dependencies\u201d\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>Nest \u4e2d TypeORM \u4f9d\u8d56\u89e3\u6790\u9519\u8bef\uff1a\u4e3a\u4ec0\u4e48 BookService \u4f1a\u62a5\u9519\u201cNest can\\&#8217;t resolve dependencies\u201d\uff1f<\/h1>\n<p>\u6700\u8fd1\u53d1\u73b0\u4e0d\u5c11\u5c0f\u4f19\u4f34\u90fd\u5bf9\u5f88\u611f\u5174\u8da3\uff0c\u6240\u4ee5\u4eca\u5929\u7ee7\u7eed\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u76f8\u5173\u7684\u77e5\u8bc6\uff0c\u672c\u6587\u4e3b\u8981\u5185\u5bb9\u6d89\u53ca\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01\u5f53\u7136\u5982\u679c\u9605\u8bfb\u672c\u6587\u65f6\u5b58\u5728\u4e0d\u540c\u60f3\u6cd5\uff0c\u53ef\u4ee5\u5728\u8bc4\u8bba\u4e2d\u8868\u8fbe\uff0c\u4f46\u662f\u8bf7\u52ff\u4f7f\u7528\u8fc7\u6fc0\u7684\u63aa\u8f9e~<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241115\/173166446667371a52d6c1b.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>nest \u4e2d\u6b63\u786e\u4f7f\u7528 typeorm<\/strong><\/p>\n<p><strong>\u95ee\u9898\uff1a<\/strong><\/p>\n<p>\u5728 nest \u4e2d\u4f7f\u7528 typeorm \u65f6\u9047\u5230\u201cnest can&#8217;t resolve dependencies of the bookservice\u201d\u9519\u8bef\uff0c\u8bf7\u6c42\u5e2e\u52a9\u3002<\/p>\n<p><strong>\u4ee3\u7801\u7247\u6bb5\uff1a<\/strong><\/p>\n<pre>\/\/ app.module.ts\n@Module({\n    imports: [\n        TypeOrmModule.forRoot({ \/* ... *\/ }),\n        BookModule,\n    ],\n    controllers: [BookController],\n    providers: [BookService],\n})\nexport class AppModule {}\n\n\/\/ book.module.ts\n@Module({\n  imports: [TypeOrmModule.forFeature([BookEntity])],\n  controllers: [BookController],\n  providers: [BookService],\n  exports: [BookService]\n})\nexport class BookModule {}<\/pre>\n<p><strong>\u89e3\u7b54\uff1a<\/strong><\/p>\n<p>nest \u65e0\u6cd5\u89e3\u6790 bookservice \u7684\u4f9d\u8d56\uff0c\u56e0\u4e3a bookentityrepository \u5728 appmodule \u4e0a\u4e0b\u6587\u4e2d\u4e0d\u53ef\u7528\u3002<\/p>\n<p>\u63a8\u8350\u7684\u89e3\u51b3\u65b9\u6848\u662f\uff1a<\/p>\n<ul>\n<li>\u4ece appmodule \u4e2d\u5220\u9664 controllers \u548c providers \u6570\u7ec4\u3002<\/li>\n<li>\u786e\u4fdd bookentityrepository \u662f bookmodule \u7684\u63d0\u4f9b\u8005\uff0c\u5e76\u4e14\u8be5\u6a21\u5757\u88ab appmodule \u5bfc\u5165\u3002<\/li>\n<\/ul>\n<p>\u4eca\u5929\u5173\u4e8e\u300aNest \u4e2d TypeORM \u4f9d\u8d56\u89e3\u6790\u9519\u8bef\uff1a\u4e3a\u4ec0\u4e48 BookService \u4f1a\u62a5\u9519\u201cNest can\\&#8217;t resolve dependencies\u201d\uff1f\u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>Nest \u4e2d TypeORM \u4f9d&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-200809","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200809","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=200809"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200809\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200809"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200809"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200809"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}