我在安装现有的角度应用程序时遇到问题。
我正在尝试使用ng serve命令启动应用程序，并且发生此错误：
The "@angular/compiler-cli" package was not properly installed. Error: reflect-metadata shim is required when using class decorators。
我已经使用package.json命令安装了npm install文件中提供的所有软件包，我知道它们有点过时，但它们仍然可以工作。
这些都是开发依赖项：
"card" : "^1.2",
"del" : "latest",
"gulp" : "latest",
"gulp-autoprefixer" : "latest",
"gulp-concat" : "latest",
"gulp-cssnano" : "2.x",
"gulp-eslint" : "latest",
"gulp-html5-lint" : "latest",
"gulp-htmlmin" : "2.x",
"gulp-imagemin" : "latest",
"gulp-inline-source" : "latest",
"gulp-notify" : "latest",
"gulp-plumber" : "latest",
"gulp-rev-all" : "latest",
"gulp-sass" : "latest",
"gulp-scss-lint" : "latest",
"gulp-sourcemaps" : "2.0.0-alpha",
"gulp-svg-sprite" : "latest",
"gulp-tslint" : "4.x",
"gulp-typescript" : "2.x",
"gulp-uglify" : "latest",
"gulp-util" : "latest",
"merge-stream" : "latest",
"tslint" : "3.x",
"browser-sync" : "2.x",
"connect-history-api-fallback" : "latest",
"typescript" : "1.x",
"typings" : "^0.8.1",
"svg4everybody" : "2.x",
"jquery" : "2.x",
"jasmine" : "2.x",
"semantic-ui" : "2.x",
"@angular/common" : "2.0.0-rc.1",
"@angular/compiler" : "2.0.0-rc.1",
"@angular/compiler-cli" : "^2.0.x",
"@angular/core" : "2.0.0-rc.1",
"@angular/http" : "2.0.0-rc.1",
"@angular/platform-browser" : "2.0.0-rc.1",
"@angular/platform-browser-dynamic": "2.0.0-rc.1",
"@angular/router" : "2.0.0-rc.1",
"@angular/router-deprecated" : "2.0.0-rc.1",
"@angular/upgrade" : "2.0.0-rc.1",
"@angular/cli" : "1.4.8",
"systemjs" : "0.19.27",
"es6-shim" : "^0.35.0",
"reflect-metadata" : "^0.1.3",
"rxjs" : "5.0.0-beta.6",
"zone.js" : "^0.6.12",
"angular2-in-memory-web-api" : "0.0.7"
任何人都知道如何解决这个问题？我正在努力解决这个问题，因为我对Angular很新，任何建议都被接受了。
提前致谢。
答案 0 :(得分：0)
对于enable angular cli命令，必须通过此命令将其安装在节点的全局区域
npm install -g angular-cli
答案 1 :(得分：0)
我解决了这个npm install -g angular-cli@1.0.0-beta.28.3（全局安装该版本的cli）