我们正在使用角度项目 1. package.json文件添加了一些“依赖项”:{ “ @ angular / animations”:“ ^ 6.1.10”, “ @ angular / cdk”:“ ^ 7.1.1”, “ @ angular / common”:“ ^ 6.1.0”, “ @ angular / compiler”:“ ^ 6.1.0”, “ @ angular / core”:“ ^ 6.1.0”, “ @ angular / flex-layout”:“ ^ 6.0.0-beta.18”, “ @ angular / forms”:“ ^ 6.1.0”, “ @ angular / http”:“ ^ 6.1.0”, “ @ angular / material”:“ ^ 7.1.1”等