我在 Angular 服务组件中的功能是通过 openweathermap.org 发布一个创建新气象站的请求:
registerStation(registerWeatherStation: RegisterWeatherStation): Observable<Response> {
let params = JSON.stringify(registerWeatherStation)
console.log("params: ",params)
let header = new Headers({'Content-Type': 'application/json; charset=utf-8'})
let options = new RequestOptions({ headers: header })
let url = this.servUrl + 'stations?appid=' + this.weatherAppId
return this
.http
.post(url, params, options)
}
这是来自 Chrome 的开发者工具网络选项卡,显示了由上述功能触发的事件。我认为这显示了我的预检请求、来自 openweathermap.org 的预检响应以及我的请求 header :
Preflight Request???
request url: http://api.openweathermap.org/data/3.0/stations?appid=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Request Method: OPTIONS
Status Code: 404 Not Found
Remote Address: 162.243.53.59:80
Referrer Policy: no-referrer-when-downgrade
Response Headers
Access-Control-Allow-Credentials: true
Access-Control-Allow-Methods: GET, POST, PUT, DELETE
Access-Control-Allow-Origin: *
Connection: keep-alive
Content-Length: 42
Content-Type: application/json; charset=utf-8
Date: Thu, 24 May 2018 19:57:00 GMT
Server: openresty
Request Headers
Accept: */*
Accept-Encoding: gzip, deflate
Accept-Language: en-US,en;q=0.9
Access-Control-Request-Headers: content-type
Access-Control-Request-Method: POST
Connection: keep-alive
Host: api.openweathermap.org
Origin: http://localhost:54270
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.181 Safari/537.36
这是我执行的 POST 的 Postman 代码片段,它从 openweathermap.org 获得了有效响应:
POST /data/3.0/stations?appid=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx HTTP/1.1
Host: api.openweathermap.org
Content-Type: application/json
Cache-Control: no-cache
Postman-Token: 25e03224-a9e7-43af-9757-dc37c41af780
{"external_id":"Paula's_Ranch_1","name":"Paula's Ranch Weather","latitude":xx.155012,"longitude":-xxx.976649,"altitude":100}
我做错了什么?我应该从后端执行发布吗?
最佳答案
将我的 POST 和 GET 请求移到服务器端代码解决了这个问题。我还使用了 restsharp.netcore。简洁明了。
关于angular - 无法对 openweathermap.org 执行看似简单的 HTTP POST,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/50518345/