我想通过HTTPConnection发送JSON请求,但是当我尝试获取响应代码时遇到错误。这是我的代码...
public void sendrequest(String url)throws IOException, JSONException
{
JSONObject postObject = new JSONObject();
postObject.put("method", method);
postObject.put("params", Parameters);
HttpConnection c = (HttpConnection)Connector.open(url);
c.setRequestMethod(HttpConnection.POST);
c.setRequestProperty("Content-Type", "application/json;charset=UTF-8");
c.setRequestProperty("Content-Length", "" + (postObject.toString().length() - 2));
c.setRequestProperty("method", method);
c.setRequestProperty("params", Parameters);
rc = c.getResponseCode();
if (rc != HttpConnection.HTTP_OK){
throw new IOException("HTTP response code: " + rc);
}
}
我从 postObject.put("method", method) 中使用的黑莓手机发送 JSON 请求中获取此代码;
method
的值是指定请求方法HttpConnection.GET
或HttpConnection.POST
String
。
您必须指定它,例如:
c.setRequestProperty("method", HttpConnection.GET);
或
c.setRequestProperty("method", HttpConnection.POST);
你可以改用c.setRequestMethod()。
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