在组件的代码中,定义一个方法来处理select change事件。方法的参数可以是$event对象,通过该对象可以获取到select元素的值。例如: 代码语言:typescript 复制 onSelectChange(value: string) { console.log(value); // 打印选中的值 // 在这里可以进行其他操作,如更新组件的属性或调用其他方法 } 这样,当用户...
<select class="form-control" [(ngModel)]="Profession.professionCategoryId" name="professionCategoryId" (change)=" getProfessionTitleOptions($event.target.value)"> <option *ngFor="let option2 of professionCategoryOptions" [value]="option2.professionCode">{{option2.professionName}}</option> </s...
.subscribe(() => { console.log('FormArray value changed'); }); } onItemChange(index: number) { // 对表单控件的值进行更改 this.items.controls[index].setValue('new value'); } } 在上面的示例代码中,我们使用了debounceTime(300)来延迟300毫秒后执行回调函数,使用distinctUntilChanged()来确保只有...
<selectng-model="trains.name"class="form-control"ng-options="item.name for item in scenedata"ng-change="selectTastList(mytaskTypes)"style="width: 130px;"><optionvalue="">-- 请选择 --</option></select> js部分: //查询$scope.seceneQuery =function() { $scope.scenedata=[]; interfaceS...
id :75, title :"knockoutJs"}]; $scope.selectChange=function(){//添加了ng-change事件来试试id值的输出console.log(vm.selectVal); } 原文:https://www.cnblogs.com/leejersey/p/4663949.html 可通过设置select的ng-model初始化默认选中值。
select class= "form-control customSelect" [( ngModel)]= "packagingType" name= "packagingType" ( ngModelChange)= "packagTypeChange()" > < option * ngFor= "let type of packagingTypes" value= "{{type.value}}" # packagingtype> {{type.key}} ...
代码如下: usage:label for value in array 选项:{{selected}} -- 请选择 -- varm1=angular.module('myApp',[]); m1.controller("ngselect",['$scope',function($sc){ varoption=[]; console.log($sc); $sc.selectChange=function(){ // alert(); ...
I have tried this answer for selected value but the values are not displaying. I have a form as below: <form [formGroup]="productForm" (ngSubmit)="onSubmit()"> <mat-form-field"> <mat-label>Main Type</mat-label> <mat-select [(value)]="selectedType" (selectionChange)...
When data in the model changes, the view reflects the change, and when data in the view changes, the model is updated as well HTML <select class="form-control" id="allocation-algorithm" [(ngModel)]="selectedAlgorithm"> <option value="SHA-256">SHA-256</option> <option value="SCRYPT"...
value: string; items: Array<any> = ['Really', 'Super', 'Greater']; constructor() { } ngOnInit(): void { } changeName(){ // this.name = "chened name"; } app-foo @Component({ selector: 'app-foo', changeDetection: ChangeDetectionStrategy.OnPush, ...