BufferedReader in = null;
String response = "";
String urlParameters = "";
try {
URL obj = new URL("url");
urlParameters = "grant_type=client_credentials";
HttpURLConnection con = (HttpURLConnection) obj.openConnection();
con.setRequestMethod("POST");
con.setRequestProperty("content-type", "application/x-www-form-urlencoded");
con.setRequestProperty("authorization", "Basic value");
con.setDoOutput(true);
OutputStreamWriter wr = new OutputStreamWriter(con.getOutputStream());
wr.write(urlParameters);
// For POST only - START
OutputStream os = con.getOutputStream();
os.flush();
os.close();
// For POST only - END
int responseCode = con.getResponseCode();
System.out.println("\nSending 'GET' request to URL : " + os);
System.out.println("Response Code================================================================================================================ : " + responseCode);
in = new BufferedReader(
new InputStreamReader(con.getInputStream()));
String inputLine;
while ((inputLine = in.readLine()) != null) {
response = inputLine;
}
}
finally {
if (in != null) {
in.close();
}
} }
我正在使用此API来获取TOKEN。但是在所有情况下都可以获取400。
请帮助解决问题。
我认为添加主体部分是一个问题,因此我将主体部分附加到URL中,但是也失败了。
对于此代码,我收到了错误:sun.net.www.protocol.https.DelegateHttpsURLConnection
我更喜欢使用Apache HTTP Client库而不是HttpURLConnection。有关HTTP客户端的示例,请参见https://www.baeldung.com/httpclient-4-basic-authentication