MatDialogRef 没有提供者 [英] No provider for MatDialogRef

问题描述

我使用的是材料 2 版本 2.0.0-beta.12.我需要调整材质Modal的位置.我按照这个答案来做到这一点.https://stackoverflow.com/a/44238699/8253445 由于 MdDialog 现在不可用，我使用了 {MatDialog, MatDialogRef,MAT_DIALOG_DATA}.

constructor(public dialog: MatDialog,public dialModRef:MatDialogRef) {}

当我将 MatDialogRef 添加到我的构造函数时，它给了我No provider for MatDialogRef"错误.请问你能帮我解决这个问题吗?

dialog-overview-example.ts

import {Component, Inject} from '@angular/core';导入 {MatDialog, MatDialogRef, MAT_DIALOG_DATA}'@角度/材料';@成分({选择器:'对话框概述-示例'，templateUrl: 'dialog-overview-example.html'})导出类 DialogOverviewExample {动物:绳子；名称:字符串；构造函数(公共对话框:MatDialog，公共dialModRef:MatDialogRef) {}openDialog(): void {让 dialogRef = this.dialog.open(DialogOverviewExampleDialog, {宽度:'500px'，数据:{名称:this.name，动物:this.animal}});dialogRef.afterClosed().subscribe(result => {console.log('对话框已关闭');this.animal = 结果；});}}@成分({选择器:'对话框概述-示例-对话框'，templateUrl: 'dialog-overview-example-dialog.html',})导出类 DialogOverviewExampleDialog {构造函数(public dialogRef: MatDialogRef,@Inject(MAT_DIALOG_DATA) 公共数据:任意) { }onNoClick(): void {this.dialogRef.close();}}

app.module.ts

entryComponents: [DialogOverviewExample,DialogOverviewExampleDialog]

dialog-overview-example-dialog.html

嗨{{data.name}}
<div md-dialog-content><p>你最喜欢的动物是什么?</p><md-form-field><input mdInput tabindex="1" [(ngModel)]="data.animal"></md-form-field>

<div md-dialog-actions><button md-button tabindex="2">确定</button><button md-button (click)="onNoClick()" tabindex="-1">不用了</button>

解决方案

你会得到准确的

<块引用>

MatDialogRef

没有提供程序

如果您将对话框的组件 html 选择器包含在 dialog-overview-example.html 中时出错，例如 <dialog-overview-example-dialog></dialog-overview-example-对话框>

没有必要，不要在任何地方包含对话框组件的 html 选择器.

I am using material 2 version 2.0.0-beta.12. I need to adjust the position of the material Modal. I followed this answer to do that. https://stackoverflow.com/a/44238699/8253445 Since MdDialog is not available now I used {MatDialog, MatDialogRef, MAT_DIALOG_DATA}.

constructor(public dialog: MatDialog,public dialModRef:MatDialogRef<any>) {}

When I add MatDialogRef to my constructor it gives me " No provider for MatDialogRef" error. Please can you help me to figure this out?

dialog-overview-example.ts

import {Component, Inject} from '@angular/core';
import {MatDialog, MatDialogRef, MAT_DIALOG_DATA} from 
'@angular/material';

@Component({
   selector: 'dialog-overview-example',
   templateUrl: 'dialog-overview-example.html'
})
export class DialogOverviewExample {

   animal: string;
   name: string;

   constructor(public dialog: MatDialog,public 
   dialModRef:MatDialogRef<any>) {}

   openDialog(): void {
       let dialogRef = this.dialog.open(DialogOverviewExampleDialog, {
        width: '500px',
        data: { name: this.name, animal: this.animal }
   });

   dialogRef.afterClosed().subscribe(result => {
      console.log('The dialog was closed');
      this.animal = result;
   });
 }
}

@Component({
   selector: 'dialog-overview-example-dialog',
   templateUrl: 'dialog-overview-example-dialog.html',
})
export class DialogOverviewExampleDialog {

constructor(
  public dialogRef: MatDialogRef<DialogOverviewExampleDialog>,
@Inject(MAT_DIALOG_DATA) public data: any) { }

 onNoClick(): void {
   this.dialogRef.close();
 }

}

app.module.ts

entryComponents: [DialogOverviewExample,DialogOverviewExampleDialog]

dialog-overview-example-dialog.html

<h1 md-dialog-title>Hi {{data.name}}</h1>
<div md-dialog-content>
  <p>What's your favorite animal?</p>
  <md-form-field>
    <input mdInput tabindex="1" [(ngModel)]="data.animal">
  </md-form-field>
</div>
<div md-dialog-actions>
  <button md-button tabindex="2">Ok</button>
  <button md-button (click)="onNoClick()" tabindex="-1">No Thanks</button>
</div>

解决方案

You will get that exact

No provider for MatDialogRef

error in case you include your dialog's component html selector in dialog-overview-example.html like <dialog-overview-example-dialog></dialog-overview-example-dialog>

There is no need for that, do not include the html selector of the dialog component anywhere.

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