离子原生http获取返回类型错误 - 无法读取未定义的属性“匹配”

Question

几分钟前，我在最新的Ionic中创建了一个新项目。我导入了

import { HTTP } from '@ionic-native/http' 

之后我试着发送GET请求到我的后端应用程序。

meetingsUrl: 'http://localhost:8080/test/all'; 
this.http.useBasicAuth('login','password'); 
    this.http.get(this.meetingsUrl,{}, {'Content-Type':'application/json'}) 
     .then(data => { 
     console.log(data); 
     }) 
     .catch(error => { 
     console.log(error); 
     }); 

我正在使用'ionic cordova run browser'命令。我试过在android上运行，但效果相同。

在每一种情况下，我得到了错误：

TypeError: Cannot read property 'match' of undefined 
    at getMatchingHostHeaders (advanced-http.js:118) 
    at getMergedHeaders (advanced-http.js:126) 
    at Object.get (advanced-http.js:210) 
    at callCordovaPlugin (plugin.js:110) 
    at plugin.js:136 
    at util.js:22 
    at new t (polyfills.js:3) 
    at tryNativePromise (util.js:21) 
    at getPromise (util.js:29) 
    at wrapPromise (plugin.js:119) 

Answer 1

你已经做错了。您需要设置headers的详细信息。

参见doc

get(url, parameters, headers) 

例from the doc：

this.http.get('https://google.com/', { 
     id: 12, 
     message: 'test' 
    }, { Authorization: 'OAuth2: token' }).then(data => { 
     console.log(data.status); 
     console.log(data.data); // data received by server 
     console.log(data.headers); 
    }) 
    .catch(error => { 
     console.log(error.status); 
     console.log(error.error); // error message as string 
     console.log(error.headers); 
    }); 

Answer 2

实施例的登录请求，其中AppSignIn就像http://www.example.com/

public signInRequest(login:Login):Promise<OAuth> { 
     let params:URLSearchParams = new URLSearchParams(); 
     params.set('userId', login.userId.toString()); 
     params.set('password', login.password.toString()); 
     let requestOption:RequestOptionsArgs = { 
      search: params 
     }; 
     return this.http 
      .get(AppSignIn, requestOption) 
      .toPromise() 
      .then(this.extractData) 
     }