我正在bluestacks的android模拟器上进行测试,无论离子按钮的自然响应能力似乎都不起作用。我想确保此按钮颜色在点击时发生变化。 我是用css做什么的?离子对此并不清楚。
这是我的按钮
<button ion-button block (click)="addEvent();">Add Event</button>
答案 0 :(得分:11)
在component.ts文件中:
声明一个变量:
use
将您的HTML编辑为: -
buttonColor: string = '#000'; //Default Color
在您的函数中执行以下更改: -
<button ion-button block (click)="addEvent();" [ngStyle]="{'background-color': buttonColor}">Add Event</button>
答案 1 :(得分:2)
更多 ionic 方法,就是使用颜色属性,如下所示:
80d82ee
在你看来:
@Component({...})
export class HomePage {
public ionicNamedColor: string = 'primary';
constructor() {}
public toggleNamedColor(): void {
if(this.ionicNamedColor === 'primary') {
this.ionicNamedColor = 'secondary'
} else {
this.ionicNamedColor = 'primary'
}
}
}
请注意,颜色应添加到<button (click)="toggleNamedColor()" ion-button [color]="ionicNamedColor">Click me!</button>
:
variables.scss
如果您不想使用指定的颜色变量,那么您只需更改按钮的背景颜色,如下所示:
$colors: (
primary: #488aff,
secondary: #32db64,
danger: #f53d3d,
light: #f4f4f4,
dark: #222
);
在你看来:
@Component({...})
export class HomePage {
public hexColor: string = '#000000';
constructor() {}
public toggleBackgroundColor(): void {
if(this.hexColor === '#000000') {
this.hexColor = '#dddddd'
} else {
this.hexColor = '#000000'
}
}
}
请在 this plunker中查看两种方法。
答案 2 :(得分:1)
在我的HTML中,我有这个:
<ion-item class="text" *ngFor="let item of question.data.answers; let i = index;">
<button (click)="itemClicked(item, item, i, question.key, question.data)" [class.incorrect]="!item.correct && whatISelected == i" [ngStyle]="item.correct ? {'background-color': buttonColor } : null " > {{ item.answer }}</button>
在我的组件中:
// Declared before constructor component
selectedItem: string
whatISelected: string
buttonColor: string
itemClicked(item, answer, iSelect, key, question) {
// keep selectedItem for each item
this.hasAnswered = true;
if ( answer.correct ) {
this.selectedItem = answer.correct;
this.buttonColor = '#32db64'
} else {
this.whatISelected = iSelect
this.buttonColor = '#32db64'
}
}
答案 3 :(得分:0)
<button *ngIf="this._var == true" (click)="this.itemClicked();" class="button1" >My Button 1</button>
<button *ngIf="this._var == false" (click)="this.itemClicked();" class="button2" >My Button 2</button>
public itemClicked(){
if(this._var != false){
this._var == false;
}else{
this._var == true;
}
}