Ionic3学习笔记实现省市区三级联动

手机APP实现三级联动效果 1. 安装 ion-multi-picker npm install [email protected] 2.1 .0 --save 2. 导入 app.module.ts  import {MultiPickerModule} from 'ion-multi-picker' ; imports: [ ... MultiPickerModule, ... ] 3. 创建

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