Angular ngFor循环中的动态绑定ngf模型
我正在尝试创建一个角度对话框,该对话框将根据给定对象的关键点动态创建输入。我的主要问题是绑定[(ngModel)],最终它应该类似于[(ngModel)]=“data.id” 对话框html:Angular ngFor循环中的动态绑定ngf模型,angular,angular-material,mean,Angular,Angular Material,Mean,我正在尝试创建一个角度对话框,该对话框将根据给定对象的关键点动态创建输入。我的主要问题是绑定[(ngModel)],最终它应该类似于[(ngModel)]=“data.id” 对话框html: <h1 mat-dialog-title>Add Customer </h1> <div mat-dialog-content> <mat-form-field *ngFor="let item of myKeys; let index = index; t
<h1 mat-dialog-title>Add Customer </h1>
<div mat-dialog-content>
<mat-form-field *ngFor="let item of myKeys; let index = index; trackBy:index;" >
<input matInput
type="string"
name={{item}}
placeholder={{item}}
[(ngModel)]="data.item"
>
</mat-form-field>
</div>
You chose: <i>{{data.name}}</i>
<div mat-dialog-actions>
<button mat-button (click)="onNoClick()">No Thanks</button>
<button mat-button [mat-dialog-close]="data" cdkFocusInitial>Ok</button>
</div>e
添加客户
您选择:{{data.name}
不,谢谢
好啊
E
对话框角度组件ts:
@Component({
selector: 'app-dialog-edit',
templateUrl: './dialog-edit.component.html',
})
export class DialogBoxEditComponent {
test = [
'data.id',
'data.name',
'data.address',
'data.city',
'data.payment'
];
myKeys = this.getMyKeys(this.data);
@Output() editMode = new EventEmitter();
constructor(
public dialogRef: MatDialogRef<DialogBoxEditComponent>,
@Inject(MAT_DIALOG_DATA) public data: any) {}
onNoClick(): void {
this.dialogRef.close();
}
getMyKeys(myData) {
return Object.keys(myData);
}
getType(myIn) {
return typeof(myIn);
}
getty(mytest) {
return 'data.' + mytest;
}
}
@组件({
选择器:“应用程序对话框编辑”,
templateUrl:“./dialog edit.component.html”,
})
导出类对话框组件{
测试=[
“data.id”,
“data.name”,
'数据.地址',
"数据城市",,
“数据。付款”
];
myKeys=this.getMyKeys(this.data);
@Output()editMode=neweventemitter();
建造师(
公共dialogRef:MatDialogRef,
@注入(MAT_DIALOG_DATA)公共数据:any{}
onNoClick():void{
this.dialogRef.close();
}
getMyKeys(myData){
返回Object.keys(myData);
}
getType(myIn){
返回类型(myIn);
}
盖蒂(我的测试){
返回“数据”。+mytest;
}
}
我所尝试的:
@Component({
selector: 'app-dialog-edit',
templateUrl: './dialog-edit.component.html',
})
export class DialogBoxEditComponent {
test = [
'data.id',
'data.name',
'data.address',
'data.city',
'data.payment'
];
myKeys = this.getMyKeys(this.data);
@Output() editMode = new EventEmitter();
constructor(
public dialogRef: MatDialogRef<DialogBoxEditComponent>,
@Inject(MAT_DIALOG_DATA) public data: any) {}
onNoClick(): void {
this.dialogRef.close();
}
getMyKeys(myData) {
return Object.keys(myData);
}
getType(myIn) {
return typeof(myIn);
}
getty(mytest) {
return 'data.' + mytest;
}
}
[(ngModel)]=“data.item”导致所有输入共享data.id作为一个ngModel
[(ngModel)]=“test[index]”在这里,我尝试在组件中创建一个数组,该数组将返回所需的绑定,但这会将测试数组值填充到输入字段中,但没有进行绑定
[(ngModel)]=“test.item”不是数组,这里test是一个对象。这也导致了第一个示例中的单一共享绑定链接。(见下图)
任何事情都将不胜感激
<mat-form-field *ngFor="let item of myKeys; let index = index; trackBy:index;" >
<input matInput type="string"
name={{item}} placeholder={{item}}
value = {{ data[item] }} #foo>
</mat-form-field>
将#foo添加到输入,这会将#foo绑定到每个元素,并且您的ng模型不会共享