相关疑难解决方法(0)

我已阅读以下博客和文档

• 角度博客
• Alligator IO Docs
• 官方文件

并没有关于如何从4.x迁移到5的明确信息.

尝试以下命令

• npm安装

  npm install @angular/{animations,common,compiler,compiler-cli,
              core,forms,http,platform-browser,platform-browser-dynamic,
              platform-server,router}@5.0.0
  

  Run Code Online (Sandbox Code Playgroud)

• 纱线安装

  yarn add @angular/{animations,common,compiler,compiler-cli,
           core,forms,http,platform-browser,platform-browser-dynamic,
           platform-server,router}@5.0.0
  

  Run Code Online (Sandbox Code Playgroud)

• 尝试了更新指南

   npm install @angular/animations@'^5.0.0' @angular/common@'^5.0.0' 
          @angular/compiler@'^5.0.0' @angular/compiler-cli@'^5.0.0' 
          @angular/core@'^5.0.0' @angular/forms@'^5.0.0'
          @angular/http@'^5.0.0' @angular/platform-browser@'^5.0.0' 
          @angular/platform-browser-dynamic@'^5.0.0' 
          @angular/platform-server@'^5.0.0' @angular/router@'^5.0.0' 
          typescript@2.4.2 rxjs@'^5.5.2'
  
   npm install typescript@2.4.2 --save-exact
  

  Run Code Online (Sandbox Code Playgroud)

没有什么比我好.请帮忙

我的项目运行在dot net core 2.0上,角度为4.2.我将它更新为最新的角度(5.0.0).从那时起,在startup.cs Configure方法中抛出异常.

 app.UseWebpackDevMiddleware(new WebpackDevMiddlewareOptions
 {
     HotModuleReplacement = true
 });

这里因错误而失败

Error: Version of @angular/compiler-cli needs to be 2.3.1 or greater. 
Current version is "5.0.0".
at Object.<anonymous> (D:\Personal\Code\PettlyUi\PettlyUi\node_modules\@ngtools\webpack\src\index.js:27:11)
at Module._compile (module.js:641:30)
at Object.Module._extensions..js (module.js:652:10)

当我从命令行使用webpack时也会抛出相同的错误.

我也尝试过同样的新项目,但一直都失败了.这是某种错误还是我没有正确更新.

用于升级的命令:

npm install @angular/common@latest @angular/compiler@latest 
@angular/compiler-cli@latest @angular/core@latest @angular/forms@latest 
@angular/http@latest @angular/platform-browser@latest @angular/platform-
browser-dynamic@latest @angular/platform-server@latest 
@angular/router@latest @angular/animations@latest typescript@latest

放弃

可能与此重复,但详细问题并未显示相关的具体错误消息,因此它含糊不清且无益.当我在Google中输入错误时,我根本无法找到它,这是因为他的问题在任何地方都没有包含错误.

除非为了清楚起见编辑了其他问题,否则请不要关闭此问题,因为相关错误没有其他结果.

尝试ng serve在升级到v5后运行,但遇到一些错误.谁知道怎么了？@angular/compiler-cli根据package.json 我是5.0.0 ...不确定为什么它说5.0.0小于2.3.1.

这是我的升级命令:

npm install @angular/{animations,common,compiler,compiler-cli,core,forms,http,platform-browser,platform-browser-dynamic,platform-server,router}@5.0.0

我收到以下错误:

$ ng serve
Your global Angular CLI version (1.5.0) is greater than your local
version (1.0.0). The local Angular CLI version is used.

To disable this warning use "ng set --global warnings.versionMismatch=false".
Version of @angular/compiler-cli needs to be 2.3.1 or greater. Current version is "5.0.0".
Error: Version of @angular/compiler-cli needs to be 2.3.1 or greater. Current version is "5.0.0".
    at Object.<anonymous> …