我创建了一个名为data-list.ts的提供商文件将其包含在我的app.moudule.ts中import{NgModule,ErrorHandler}from'@angular/core';import{BrowserModule}from'@angular/platform-browser';import{IonicApp,IonicModule,IonicErrorHandler}from'ionic-angular';import{HttpModule}from'@angular/http';import{MyApp}from'./app.component';import{Ioni