@Controller

public class PostController {

	@RequestMapping(value="request.html")

	public ModelAndView requestPost(HttpServletRequest request,@RequestParam(value="code")String code)

	{

		AuthConfig config = AuthConfig.getInstance();

		String server = config.getConfigParameter("server");

		String client_id = config.getConfigParameter("client_id");

		String client_secret = config.getConfigParameter("client_secret");

		String redirect_uri = config.getConfigParameter("redirect_uri");

		String scope = config.getConfigParameter("scope");

		System.out.println("授权码是："+code);

		String url = server+"AuthServer/oauth2/token?client_id="+client_id+"&client_secret="+client_secret+"&grant_type=authorization_code&code="+code+"&redirect_uri="+redirect_uri+"&scope="+scope;

		System.out.println(url);

		HttpClient client1 = new HttpClient();

	    PostMethod method1 = new PostMethod(url);

	    method1.setRequestHeader("Content-Type","application/json; UTF-8");

	    //method1.setRequestHeader("Content-Type","text/html; UTF-8");

	       // NameValuePair[] param = { new NameValuePair("age", "11"),

	        //        new NameValuePair("name", "jay"), };

	        //method1.setRequestBody(param);

	    int statusCode=0;

		try {

			statusCode = client1.executeMethod(method1);

		} catch (HttpException e) {

			// TODO Auto-generated catch block

			e.printStackTrace();

		} catch (IOException e) {

			// TODO Auto-generated catch block

			e.printStackTrace();

		}

	    System.out.println(statusCode);

	    try {

			System.out.println(method1.getResponseBodyAsString());

		} catch (IOException e) {

			// TODO Auto-generated catch block

			e.printStackTrace();

		}

	    method1.releaseConnection();

	    System.out.println("...............post Done...............");

		return new ModelAndView("success");

	}

}

@Controller

public class AuthorizeCode {

    @RequestMapping(value="code.html")

    public ModelAndView requestPost(HttpServletRequest request){

        HttpClient client = new HttpClient();

        GetMethod method = new GetMethod("http://localhost:8080/AuthServer/oauth2/authorize?client_id=4o7ymfOJbTNDSPPYvPqyFHvT&client_secret=jgjFw0l4e7oUUH09uH6oLUrW&redirect_uri=https://www.hao123.com&response_type=code&scope=10216051013292419216811211005:close");  

        //method.getParams().setParameter("client_id", "4o7ymfOJbTNDSPPYvPqyFHvT");

        //method.getParams().setParameter("client_secret", "jgjFw0l4e7oUUH09uH6oLUrW");

        //method.getParams().setParameter("redirect_uri", "http://localhost:8080/App/request.html");

       // method.getParams().setParameter("response_type", "code");

        //method.getParams().setParameter("scope", "10216051013292419216811211005:close");

        try {

            // Execute the method.

            int statusCode = client.executeMethod(method);

            System.out.println(statusCode);

            if (statusCode == HttpStatus.SC_OK) {

                //ins = method.getResponseBodyAsStream();

                String ss = method.getResponseBodyAsString();

                System.out.println(ss);

           } else {

                System.err.println("Response Code: " + statusCode);

            }

        } catch (HttpException e) {

            System.err.println("Fatal protocol violation: " + e.getMessage());

        } catch (IOException e) {

            System.err.println("Fatal transport error: " + e.getMessage());

        } finally {

            method.releaseConnection();

           // if (ins != null) {

           //     ins.close();

           // }

        }  

        System.out.println("...............get Done...............");

        return new ModelAndView("code");

    }