1.安装node.js 和 ionic

https://nodejs.org/en/npm install -g Cordova ionic

2.创建第一个项目并启动

ionic start firstPage blank
cd firstPage
ionic serve

3.按钮button

https://ionicframework.com/docs/components/#buttons

1.在html文件中添加

<button ion-button round (click)="buttonClick()">Primary Round</button>

2.在typescript文件中添加函数

buttonClick(){// console.log("hello world");alert("hello world");
}

4.输入input

https://ionicframework.com/docs/api/components/input/Input/

1.在html文件中添加

<ion-list><ion-item><ion-label color="primary">Inline Label</ion-label><ion-input [(ngModel)]="inputVal" type="password"></ion-input></ion-item><ion-item><ion-textarea placeholder="Enter a description"></ion-textarea></ion-item></ion-list>

2.在typescript文件中声明和添加函数

 public inputVal:string;buttonClick(){alert("this.inputVal");
}