Angular “角度”对话框“打开”不工作
我刚刚开始学习Angular 5,我只需要点击按钮打开一个对话框。应用程序无法生成,出现的错误是“类型Dashboardcomponent上不存在错误ts2339属性对话框” 然后我安装了angular material和cdk。编译时仍然会出现相同的错误。在html页面(localhost:4200)上,我得到的错误是“无法读取未定义的”属性“open”。如何获得对话框并打开角度工作 脚本:Angular “角度”对话框“打开”不工作,angular,typescript,Angular,Typescript,我刚刚开始学习Angular 5,我只需要点击按钮打开一个对话框。应用程序无法生成,出现的错误是“类型Dashboardcomponent上不存在错误ts2339属性对话框” 然后我安装了angular material和cdk。编译时仍然会出现相同的错误。在html页面(localhost:4200)上,我得到的错误是“无法读取未定义的”属性“open”。如何获得对话框并打开角度工作 脚本: import { Component, OnInit } from '@angular/core';
import { Component, OnInit } from '@angular/core';
import { WebapiService } from '../providers/webapi.service';
import { MatDialog, MatDialogRef } from '@angular/material';
import { ServerDialogComponent } from '../server-dialog/server-dialog.component';
@Component({
selector: 'app-dashboard',
templateUrl: './dashboard.component.html',
styleUrls: ['./dashboard.component.scss']
})
export class DashboardComponent implements OnInit {
constructor(private webApi: WebapiService) { }
ngOnInit() {
}
openServerDialog() {
const serverDialogRef = this.dialog.open(ServerDialogComponent, {
width: '250px',
data: { serverlist: this.webApi.getServerList() }
});
}
}
html:
打开
您需要创建一个,而不使用此对话框。打开(…)会导致无法读取未定义的属性“open”:
在AppModule中首次导入MatDialogModule
import {MatDialogModule} from '@angular/material/dialog';
import { BrowserModule } from '@angular/platform-browser';
import { NgModule } from '@angular/core';
import { AppComponent } from './app.component';
@NgModule({
declarations: [
AppComponent
],
imports: [
BrowserModule,
MatDialogModule
],
providers: [],
bootstrap: [AppComponent]
})
export class AppModule { }
HTml文件
<button mat-raised-button (click)="openServerDialog()">Pick one</button>
ServerDialogComponent ts文件
@Component({
selector: 'server_dialog_component ',
templateUrl: 'server_dialog_component.html',
})
export class ServerDialogComponent {
constructor(
public dialogRef: MatDialogRef<ServerDialogComponent>,
@Inject(MAT_DIALOG_DATA) public data: any) { }
onNoClick(): void {
this.dialogRef.close();
}
}
@组件({
选择器:'服务器\对话框\组件',
templateUrl:'server\u dialog\u component.html',
})
导出类ServerDialogComponent{
建造师(
公共dialogRef:MatDialogRef,
@注入(MAT_DIALOG_DATA)公共数据:any{}
onNoClick():void{
this.dialogRef.close();
}
}
<button mat-raised-button (click)="openServerDialog()">Pick one</button>
import { WebapiService } from '../providers/webapi.service';
import {Component, Inject,OnInit } from '@angular/core';
import {MatDialog, MatDialogRef, MAT_DIALOG_DATA} from '@angular/material';
import { ServerDialogComponent } from '../server-dialog/server-dialog.component';
@Component({
selector: 'app-dashboard',
templateUrl: './dashboard.component.html',
styleUrls: ['./dashboard.component.scss']
})
export class DashboardComponent implements OnInit {
constructor(public dialog: MatDialog,private webApi: WebapiService) { }
ngOnInit() {
}
openServerDialog() {
let serverDialogRef = this.dialog.open(ServerDialogComponent, {
width: '250px',
data: { serverlist: this.webApi.getServerList() }
});
}
}
@Component({
selector: 'server_dialog_component ',
templateUrl: 'server_dialog_component.html',
})
export class ServerDialogComponent {
constructor(
public dialogRef: MatDialogRef<ServerDialogComponent>,
@Inject(MAT_DIALOG_DATA) public data: any) { }
onNoClick(): void {
this.dialogRef.close();
}
}