Angular2升级到Angular4

window

npm uninstall -g @angular/cli
 npm cache clean
 npm install -g @angular/cli@latest

Linux

 rm -rf node_modules dist # use rmdir /S/Q node_modules dist in Windows Command Prompt; use rm -r -fo node_modules,dist in Windows PowerShell
 npm install --save-dev @angular/cli@latest

// linux/mac
 npm install @angular/{common,compiler,compiler-cli,core,forms,http,platform-browser,platform-browser-dynamic,platform-server,router,animations}@latest typescript@latest --save
 // Windows
 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 --save

 更换一些其他包
 
 npm install zone.js@0.8.4 --save

   执行安装命令

 npm install