export class TComponent { username: any; id: number = 1; login:any = [{"username": "username" + this.id,"password": "pwd" + this.id}]; addInput() { var number = this.login.length + 1; this.login.push({"username": "username" + number,"password": "pwd" + number}); } removeInput(item) { console.log(item); let i = this.login.indexOf(item); console.log(i); this.login.splice(i,1); } }
<h5>动态添加表单</h5> <div class="form"> <div class="form-group form-group-sm" *ngFor="let i of login"> <label class="col-form-label">用户名</label> <input class="form-control" [(ngModel)]="i.username" value="{{i.username}}"> <label class="col-form-label">密码</label> <input class="form-control" [(ngModel)]="i.password" value="{{i.password}}"> <button class="btn btn-link" (click)="removeInput(i)">Remove</button> </div> <button class="btn btn-link" (click)="addInput()">Add</button> {{ login | json }} </div>
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