ionic3 解决Error: No provider for Http!
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自己在使用ionic中http.get()方法时运行程序会报错Error: No provider for Http!
原因:没有将Http添加到根模块
解决方案:在根模块AppModule中的 providers:[]中。并在上面引用import {Http} from '@angular/http';如下
import { Http}from '@angular/http';
跟模块中加入:这个问题即可解决。
然而,当我这样改完之后又报了另外一个错误,Uncaught (in promise): Error: No provider for ConnectionBackend! 很无语
这个问题我是这样解决的。在跟模块AppModule中的imports:[]中添加HttpModule,在上面引入
import { HttpModule }from '@angular/http';
跟模块中加入同时!!!!删除providers:[]中的Http,所有在修饰符中引用到的Http都要删除,不然还会报错。这里添加了HttpModule就足够了。
现在问题即可解决。
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