{"id":7259,"date":"2024-11-14T11:13:56","date_gmt":"2024-11-14T03:13:56","guid":{"rendered":"https:\/\/fwq.ai\/blog\/7259\/"},"modified":"2024-11-14T11:13:56","modified_gmt":"2024-11-14T03:13:56","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:\/\/fwq.ai\/blog\/7259\/","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><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173063989233726.jpg\" class=\"aligncenter\" title=\"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\u63d2\u56fe\" alt=\"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\u63d2\u56fe\" \/><\/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>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\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>\u4ee5\u4e0a\u5c31\u662fNest \u4e2d TypeORM \u4f9d\u8d56\u89e3\u6790\u9519\u8bef\uff1a\u4e3a\u4ec0\u4e48 BookService \u4f1a\u62a5\u9519\u201cNest can&#8217;t resolve dependencies\u201d\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>nest \u4e2d\u6b63\u786e\u4f7f\u7528 typeorm \u95ee\u9898\uff1a \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 \u4ee3\u7801\u7247\u6bb5\uff1a \/\/ app.module.ts @Module({ imports: [ TypeOrmModule.forRoot({ \/* &#8230; *\/ }), BookModule, ], controllers: [BookController], providers: [BookService], }) export class AppModule {} \/\/ book.module.ts @Module({ imports: [TypeOrmModule.forFeature([BookEntity])], controllers: [BookController], providers: [BookService], exports: [BookService] }) export class BookModule {} \u767b\u5f55\u540e\u590d\u5236 \u89e3\u7b54\uff1a [&hellip;]<\/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-7259","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/7259","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=7259"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/7259\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=7259"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=7259"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=7259"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}