Angular - 模块AppModule导入的意外值MatDialog

Question

我试图在Angular中集成Angular Material但是会出现以下错误.该程序已成功编译,但在浏览器中遇到此问题.

Uncaught Error: Unexpected value 'MatDialog' imported by the module 'AppModule'. Please add a @NgModule annotation.
    at syntaxError (compiler.js:485)
    at eval (compiler.js:15226)
    at Array.forEach (<anonymous>)
    at CompileMetadataResolver.getNgModuleMetadata (compiler.js:15201)
    at JitCompiler._loadModules (compiler.js:34385)
    at JitCompiler._compileModuleAndComponents (compiler.js:34346)
    at JitCompiler.compileModuleAsync (compiler.js:34240)
    at CompilerImpl.compileModuleAsync (platform-browser-dynamic.js:239)
    at PlatformRef.bootstrapModule (core.js:5551)
    at eval (main.ts:11)

Answer 1

你应该导入MatDialogModule.

@NgModule({
  imports: [
    ...,
    MatDialogModule 
  ]
  ...
})
export class AppModule {}

另外,不要忘记角度材料已从选择器移动md到mat选择器.