Local workspace file ('angular.json') could not be found.

運行 ng serve的時候報瞭如下的錯誤javascript

Local workspace file ('angular.json') could not be found.
Error: Local workspace file ('angular.json') could not be found.
    at WorkspaceLoader._getProjectWorkspaceFilePath (D:\nodejs\node_global\node_modules\@angular\cli\models\workspace-loader.js:44:
19)
    at WorkspaceLoader.loadWorkspace (D:\nodejs\node_global\node_modules\@angular\cli\models\workspace-loader.js:31:21)
    at ServeCommand._loadWorkspaceAndArchitect (D:\nodejs\node_global\node_modules\@angular\cli\models\architect-command.js:201:32)
    at ServeCommand.<anonymous> (D:\nodejs\node_global\node_modules\@angular\cli\models\architect-command.js:53:25)
    at Generator.next (<anonymous>)
    at D:\nodejs\node_global\node_modules\@angular\cli\models\architect-command.js:7:71
    at new Promise (<anonymous>)
    at __awaiter (D:\nodejs\node_global\node_modules\@angular\cli\models\architect-command.js:3:12)
    at ServeCommand.initialize (D:\nodejs\node_global\node_modules\@angular\cli\models\architect-command.js:52:16)
    at Object.<anonymous> (D:\nodejs\node_global\node_modules\@angular\cli\models\command-runner.js:127:23)

  報錯緣由:多是因爲angular/cli版本與項目不匹配致使java

解決辦法:node

  升級angular/clinpm

1.全局卸載angular/clijson

npm uninstall -g @angular/cli

2.清理lua

npm cache verify

3.全局安裝angular/clispa

npm install -g @angular/cli@latest

4.在項目路徑下卸載angluar/cliblog

npm uninstall --save-dev @angular/cli

5.在項目路徑下安裝:ip

npm install --save-dev @angular/cli@1.7.4

6.項目路徑下npm install或者yarn installget

7.在npm安裝後修復問題:

npm audit fix

8.解決與「angular.json」相關的問題:

ng update @angular/cli --migrate-only --from=1.4.9
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