Angular 默认值在星云中为真?
我试图在ngx中设置默认的选中按钮 在component.ts文件中,我有以下脚本Angular 默认值在星云中为真?,angular,nebular,Angular,Nebular,我试图在ngx中设置默认的选中按钮 在component.ts文件中,我有以下脚本 options = [ { value: 'URL', label: 'URL' , checked: true}, //checked true not working { value: 'UPLOAD', label: 'Upload File' }, ]; 下面是我的html文件 <nb-radio-group [(ngModel)]="option"> <nb-ra
options = [
{ value: 'URL', label: 'URL' , checked: true}, //checked true not working
{ value: 'UPLOAD', label: 'Upload File' },
];
下面是我的html文件
<nb-radio-group [(ngModel)]="option">
<nb-radio class='radio-button' *ngFor="let option of options" [value]="option.value">
{{ option.label }}
</nb-radio>
</nb-radio-group>
{{option.label}
如何在ngx中第一次加载时使checked为true?您可以尝试在组件中设置此选项
ngOnInit() {
this.option.value = 'URL'
}
如果您想为{value:'URL',label:'URL',checked:true}设置checked
或者像这样使用:
<nb-radio-group [(value)]="radioGroupValue">
<nb-radio
[value]="'This is value 1'">
Radio 1
</nb-radio>
<nb-radio
[value]="'This is value 2'">
Radio 2
</nb-radio>
<nb-radio
[value]="'This is value 3'">
Radio 3
</nb-radio>
</nb-radio-group>
使用下面的一个
<nb-radio-group [(ngModel)]="option">
<nb-radio class='radio-button' *ngFor="let option of options" [value]="option.value" [checked]="option.checked">
{{ option.label }}
</nb-radio>
</nb-radio-group>
{{option.label}
或者如果您想选择第一个选项。试试这个
<nb-radio-group [(ngModel)]="option">
<nb-radio class='radio-button' *ngFor="let option of options;first as isFirst" [value]="option.value" [checked]="isFirst">
{{ option.label }}
</nb-radio>
</nb-radio-group>
{{option.label}
下面是一个综合示例。
<nb-radio-group [(ngModel)]="option">
<nb-radio class='radio-button' *ngFor="let option of options;first as isFirst" [value]="option.value" [checked]="isFirst">
{{ option.label }}
</nb-radio>
</nb-radio-group>