ionic2 toast 提示框
import { Injectable } from '@angular/core';
import { Toast, ToastController, ToastOptions } from 'ionic-angular';
@Injectable()
export class ToastControllerService {
private toast: Toast = null;
constructor(private tc: ToastController) {}
/**
* 開啟toast
* @param message 提示資訊
* @param position 位置（top,middle,bottom） 預設 bottom下部
* @param duration 顯示時長 預設3000ms
* @param showCloseButton 是否顯示關閉按鈕 預設不顯示
*/
public open(message: string, position: string = "bottom", duration: number = 3000, showCloseButton: boolean=false): void {
let option: ToastOptions = { message: message, position: position, duration: duration, showCloseButton: showCloseButton, closeButtonText: '關閉', dismissOnPageChange: true };
if (this.toast) {
try {
this.toast.dismiss().then(() => {
this.toast = this.tc.create(option)
this.toast.present().catch((e) => {
console.log(e);
});
}).catch((e) => {
console.log(e);
});
} catch (e) {
console.log(e);
}
} else {
this.toast = this.tc.create(option)
this.toast.present().catch((e) => {
console.log(e);
});
}
}
/**
* 關閉元件
*/
public closed(): void {
if (this.toast) {
try {
this.toast.dismiss().then(() => {
this.toast = null;
}).catch((e) => {
console.log(e);
});
} catch (e) {
console.log(e);
}
}
}
}