Question

我想通过HTTPConnection发送JSON请求，但是当我尝试获取响应代码时，我收到错误。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Send JSON request from blackberry获取此代码;

Answer 1

method的值为String，用于指定请求方法HttpConnection.GET或HttpConnection.POST。

您必须将其指定为：

c.setRequestProperty("method", HttpConnection.GET);

或

c.setRequestProperty("method", HttpConnection.POST);

您可以改为使用c.setRequestMethod()。

查看更多here

黑莓中的Json Send / Post错误

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