我是angular的新手，我已经使用SpringBoot 2.0.5.RELEASE，Angular 5和spring数据创建了一个项目，以构建端到端的单页Java Web应用程序。我使用Spring Boot 1.5来公开REST API和angular5，并通过路由来构建将消耗服务器公开的API的客户端
我刚刚建立了一个与SpringBoot 2.0.5.RELEASE一起使用的项目。 当我这样做时：
$ ng -v
Your global Angular CLI version (6.2.4) is greater than your local
version (6.2.3). The local Angular CLI version is used.
To disable this warning use "ng config -g cli.warnings.versionMismatch false".
_ _ ____ _ ___
/ \ _ __ __ _ _ _| | __ _ _ __ / ___| | |_ _|
/ △ \ | '_ \ / _` | | | | |/ _` | '__| | | | | | |
/ ___ \| | | | (_| | |_| | | (_| | | | |___| |___ | |
/_/ \_\_| |_|\__, |\__,_|_|\__,_|_| \____|_____|___|
|___/
Angular CLI: 6.2.3
Node: 10.11.0
OS: darwin x64
Angular: 5.1.3
... animations, common, compiler, compiler-cli, core, forms
... http, language-service, platform-browser
... platform-browser-dynamic, router
Package Version
------------------------------------------------------
@angular-devkit/architect 0.8.3
@angular-devkit/core 0.8.3
@angular-devkit/schematics 0.8.3
@angular/cli 6.2.3
@schematics/angular 0.8.3
@schematics/update 0.8.3
rxjs 5.5.6
typescript 2.4.2
一切似乎都很好。
然后我做
$ npm install
audited 11048 packages in 3.985s
found 0 vulnerabilities
一切似乎都还好。
但是当我这样做
$ ng build
Your global Angular CLI version (6.2.4) is greater than your local
version (6.2.3). The local Angular CLI version is used.
To disable this warning use "ng config -g cli.warnings.versionMismatch false".
Local workspace file ('angular.json') could not be found.
Error: Local workspace file ('angular.json') could not be found.
at WorkspaceLoader._getProjectWorkspaceFilePath (/Users/nunet/Development/J2EE/eclipseWSJ2EE/portal-app/node_modules/@angular/cli/models/workspace-loader.js:44:19)
at WorkspaceLoader.loadWorkspace (/Users/nunet/Development/J2EE/eclipseWSJ2EE/portal-app/node_modules/@angular/cli/models/workspace-loader.js:31:21)
at BuildCommand._loadWorkspaceAndArchitect (/Users/nunet/Development/J2EE/eclipseWSJ2EE/portal-app/node_modules/@angular/cli/models/architect-command.js:201:32)
at BuildCommand.<anonymous> (/Users/nunet/Development/J2EE/eclipseWSJ2EE/portal-app/node_modules/@angular/cli/models/architect-command.js:53:25)
at Generator.next (<anonymous>)
at /Users/nunet/Development/J2EE/eclipseWSJ2EE/portal-app/node_modules/@angular/cli/models/architect-command.js:7:71
at new Promise (<anonymous>)
at __awaiter (/Users/nunet/Development/J2EE/eclipseWSJ2EE/portal-app/node_modules/@angular/cli/models/architect-command.js:3:12)
at BuildCommand.initialize (/Users/nunet/Development/J2EE/eclipseWSJ2EE/portal-app/node_modules/@angular/cli/models/architect-command.js:52:16)
at Object.<anonymous> (/Users/nunet/Development/J2EE/eclipseWSJ2EE/portal-app/node_modules/@angular/cli/models/command-runner.js:127:23)
我尝试使用以下方式更新项目：
npm install -g @angular-devkit/core
npm install -g @angular/cli
npm install @angular/cli
但是当我跑步
ng update @angular/cli
Workspace needs to be loaded before it is used.
Error: Workspace needs to be loaded before it is used.
at Workspace._assertLoaded (/Users/nunet/Development/J2EE/eclipseWSJ2EE/portal-app/node_modules/@angular-devkit/core/src/workspace/workspace.js:68:19)
at Workspace.getProjectByPath (/Users/nunet/Development/J2EE/eclipseWSJ2EE/portal-app/node_modules/@angular-devkit/core/src/workspace/workspace.js:116:14)
at getProjectByCwd (/Users/nunet/Development/J2EE/eclipseWSJ2EE/portal-app/node_modules/@angular/cli/utilities/config.js:103:26)
at Object.getPackageManager (/Users/nunet/Development/J2EE/eclipseWSJ2EE/portal-app/node_modules/@angular/cli/utilities/config.js:115:25)
at UpdateCommand.getWorkflow (/Users/nunet/Development/J2EE/eclipseWSJ2EE/portal-app/node_modules/@angular/cli/models/schematic-command.js:105:38)
at UpdateCommand._getWorkflow (/Users/nunet/Development/J2EE/eclipseWSJ2EE/portal-app/node_modules/@angular/cli/models/schematic-command.js:111:35)
at UpdateCommand.runSchematic (/Users/nunet/Development/J2EE/eclipseWSJ2EE/portal-app/node_modules/@angular/cli/models/schematic-command.js:121:31)
at UpdateCommand.<anonymous> (/Users/nunet/Development/J2EE/eclipseWSJ2EE/portal-app/node_modules/@angular/cli/commands/update-impl.js:76:25)
at Generator.next (<anonymous>)
at /Users/nunet/Development/J2EE/eclipseWSJ2EE/portal-app/node_modules/@angular/cli/commands/update-impl.js:14:71