我正在尝试使用 facebook 登录到我的网络应用程序,它一直工作正常,直到最近我开始收到此错误
java.net.URISyntaxException: Illegal character in query at index 43: https://graph.facebook.com/me?access_token={"access_token":"E","token_type":"bearer"}
我正在尝试使用以下方法解决它
public static void main(String[] args) {
String accessToken = "{\"access_token\":\"E\",\"token_type\":\"bearer\"}";
try {
//String urlStr = "https://graph.facebook.com/me?access_token=" + URLEncoder.encode(accessToken,"UTF-8");
String urlStr = "https://graph.facebook.com/me?access_token=" +accessToken;
HttpClient httpclient = new DefaultHttpClient();
HttpGet httpget = new HttpGet(urlStr);
httpget.setHeader(HttpHeaders.CONTENT_TYPE, "application/json");
ResponseHandler<String> responseHandler = new BasicResponseHandler();
String responseBody = httpclient.execute(httpget, responseHandler);
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
还尝试使用 post 请求
public static void main(String[] args) {
String accessToken = "{\"access_token\":\"E\",\"token_type\":\"bearer\"}";
try {
//String urlStr = "https://graph.facebook.com/me?access_token=" + URLEncoder.encode(accessToken,"UTF-8");
String urlStr = "https://graph.facebook.com/me";
HttpClient httpclient = new DefaultHttpClient();
HttpPost httpget = new HttpPost(urlStr);
httpget.setEntity(new StringEntity("access_token="+accessToken));
ResponseHandler<String> responseHandler = new BasicResponseHandler();
String responseBody = httpclient.execute(httpget, responseHandler);
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
但它产生以下异常
org.apache.http.client.HttpResponseException: Bad Request
at org.apache.http.impl.client.AbstractResponseHandler.handleResponse(AbstractResponseHandler.java:69)
at org.apache.http.impl.client.BasicResponseHandler.handleResponse(BasicResponseHandler.java:65)
at org.apache.http.impl.client.BasicResponseHandler.handleResponse(BasicResponseHandler.java:51)
at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:222)
at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:164)
at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:139)
at com.simsarak.servlet.facebook.FacebookLogin.main(FacebookLogin.java:178)
尝试使用URLEncoder
和设置标题,application/json
但仍然无法正常工作,可能是什么问题?
发现问题了,看来我现在只需要从 json 中提取访问令牌并单独发送它,我已经做到了
private String getUserMailAddressFromJsonResponse(String accessToken, HttpSession httpSession) {
HttpClient httpclient = new DefaultHttpClient();
JSONParser parser = new JSONParser();
JSONObject json = null;
try {
if (accessToken != null && !"".equals(accessToken)) {
json = (JSONObject) parser.parse(accessToken);
String newUrl = "https://graph.facebook.com/me?access_token=" + json.get("access_token");
httpclient = new DefaultHttpClient();
HttpGet httpget = new HttpGet(newUrl);
ResponseHandler<String> responseHandler = new BasicResponseHandler();
String responseBody = httpclient.execute(httpget, responseHandler);
...
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