我有一个mat-select,包括两个选项Individual Customers和Organizational Customers。如果我从下拉列表中选择Ind Cust,那么我应该看到三个选项First Name,Last Name和Customer Id。但如果我选择组织客户,我应该能够看到组织名称和组织ID。我已准备好所有HTML代码但是我无法根据选择显示选项。
HTML代码:
<mat-form-field>
<mat-label>Select an option</mat-label>
<mat-select [(value)]="selected">
<mat-option value="indCust">IndividualCustomer</mat-option>
<mat-option value="orgCust">Organizational Customer</mat-option>
</mat-select>
</mat-form-field>
<div class="row" *ngIf="indCust; orgCust">
// Code for Input Box of Individual Customer
</div>
<ng-template #orgCust >
//Code for dropdown of Organization Customer
</ng-template>
打字稿代码
selected = '';
indCust: Boolean ;
if(this.selected == 'indCust'){
this.indCust = true;
} else {
this.indCust = false;
}
有人可以解释我做错了什么,并帮助我找出正确的方法来做到这一点。
我想这样做:
HTML代码:
<mat-form-field>
<mat-label>Select an option</mat-label>
<mat-select>
<mat-option *ngFor="let obj of list" (click)="get(obj)" [value]="obj"> {{obj.viewValue}}</mat-option>
</mat-select>
</mat-form-field>
<span *ngIf="isSelected">
<div class="row" *ngIf="indCust">
Code for Input Box of Individual Customer
<mat-form-field class="example-full-width">
<input matInput placeholder="Individual Customer" >
</mat-form-field>
</div>
<div class="row" *ngIf="!indCust">
Code for Combo Box of Organizational Customer
<mat-form-field>
<mat-label>Favorite food</mat-label>
<mat-select>
<mat-option *ngFor="let food of foods" [value]="food.value">
{{food.viewValue}}
</mat-option>
</mat-select>
</mat-form-field>
</div>
</span>
TS代码:
import { Component } from '@angular/core';
@Component({
selector: 'select-overview-example',
templateUrl: 'select-overview-example.html',
styleUrls: ['select-overview-example.css'],
})
export class SelectOverviewExample {
list: any[] = [
{ value: 'indCust', viewValue: 'IndividualCustomer' },
{ value: 'orgCust', viewValue: 'Organizational Customer' }
];
foods: any[] = [
{ value: 'steak-0', viewValue: 'Steak' },
{ value: 'pizza-1', viewValue: 'Pizza' },
{ value: 'tacos-2', viewValue: 'Tacos' }
];
isSelected: boolean = false;
indCust: Boolean = undefined;
get(data) {
this.isSelected = true;
if (data.value == 'indCust') {
this.indCust = true;
console.log(data)
} else {
this.indCust = false;
}
}
}
艾哈迈德尝试以下方法。
TS组件
sO = true;
boolOptions = [
{ Text: 'indCust', value: true },
{ Text: 'orgCust', value: false }
];
HTML
<mat-select [(ngModel)]="sO" name="sO" #sO="ngModel" placeholder="Option">
<mat-option [value]="boolOption.value" *ngFor="let boolOption of boolOptions">{{boolOption.Text}}</mat-option>
</mat-select>
要访问用户选择的值,请从您希望使用它的位置执行this.sO
。