Typescript 财产';装载';不存在于类型';SignupPage';(打字稿)
你好,stackoverflow的好朋友们 我对“堆叠”这个词还不熟悉,但我仍在努力了解它的基本知识 我想做一个简单的身份验证。代码如下:Typescript 财产';装载';不存在于类型';SignupPage';(打字稿),typescript,types,properties,mean-stack,Typescript,Types,Properties,Mean Stack,你好,stackoverflow的好朋友们 我对“堆叠”这个词还不熟悉,但我仍在努力了解它的基本知识 我想做一个简单的身份验证。代码如下: import { Component } from '@angular/core'; import { NavController, LoadingController } from 'ionic-angular'; import { Auth } from '../../providers/auth'; import { HomePage } from '
import { Component } from '@angular/core';
import { NavController, LoadingController } from 'ionic-angular';
import { Auth } from '../../providers/auth';
import { HomePage } from '../home/home';
@Component({
selector: 'signup-page',
templateUrl: 'signup-page.html'
})
export class SignupPage {
role: string;
email: string;
password: string;
constructor(public navCtrl: NavController, public authService: Auth, public loadingCtrl: LoadingController) {
}
register(){
this.showLoader();
let details = {
email: this.email,
password: this.password,
role: this.role
};
this.authService.createAccount(details).then((result) => {
this.loading.dismiss();
console.log(result);
this.navCtrl.setRoot(HomePage);
}, (err) => {
this.loading.dismiss();
});
}
showLoader(){
this.loading = this.loadingCtrl.create({
content: 'Authenticating...'
});
this.loading.present();
}
}
这就是我得到的错误:
[12:43:17] typescript: src/pages/signup-page/signup-page.ts, line: 31
Property 'loading' does not exist on type 'SignupPage'.
L30: this.authService.createAccount(details).then((result) => {
L31: this.loading.dismiss();
L32: console.log(result);
[12:43:17] typescript: src/pages/signup-page/signup-page.ts, line: 35
Property 'loading' does not exist on type 'SignupPage'.
L34: }, (err) => {
L35: this.loading.dismiss();
L36: });
[12:43:17] typescript: src/pages/signup-page/signup-page.ts, line: 42
Property 'loading' does not exist on type 'SignupPage'.
L42: this.loading = this.loadingCtrl.create({
L43: content: 'Authenticating...'
[12:43:17] typescript: src/pages/signup-page/signup-page.ts, line: 46
Property 'loading' does not exist on type 'SignupPage'.
L46: this.loading.present();
[12:43:17] transpile failed
任何人都可以向我澄清我遗漏了什么,以及我应该学习什么来继续我的项目?问题在于您的
showLoader()
方法。你正在做:
this.loading = this.loadingCtrl.create({
content: 'Authenticating...'
});
this.loading.present();
这可能是普通javascript中的合法代码,但typescript正在抱怨,因为您还没有在类中定义加载
属性。只需定义如下属性:
export class SignupPage {
role: string;
email: string;
password: string;
loading: LoadingController; //I'm assuming that's the correct type
constructor(public navCtrl: NavController, public authService: Auth, public loadingCtrl: LoadingController) {
}
....
}
试试这个
导出类SignupPage{
角色:字符串;
电子邮件:字符串;
密码:字符串;
装载:任何;
构造函数(公共navCtrl:NavController,公共authService:Auth,公共加载Ctrl:LoadingController){
}
....
}
也许您需要在SignupPage类中定义一个名为loading的属性?嗯。。看起来里面好像有打字错误或错误。:)我仍然缺少如何实现这一点的基础知识。我应该如何进行?