JAVA调用接口获取数据

package com.zving.zzfw.bl;

import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.methods.PostMethod;
import com.zving.appapi.util.HttpClientUtil;
import com.zving.framework.json.JSONObject;

/**
 * @author Clover 
 * 登录用户同步题库类
 */
public class TiKuMemberSyc {

    public final static String url = "http://tk.ipmph.com/exam/a/api/asyncUser";
    public static HttpClient httpclient;
    public static PostMethod post;

    public static void memberSyc(String userName) {
        JSONObject json = new JSONObject();
        json.put("loginName", userName);
        try {
            httpclient = HttpClientUtil.getInstance();
            //httpclient.getParams().setContentCharset("UTF-8"); 
            post = new PostMethod(url);
            post.getParams().setParameter(HttpMethodParams.HTTP_CONTENT_CHARSET, "utf-8");
            post.addParameter("json", json.toJSONString());
            @SuppressWarnings("unused")
            int status = httpclient.executeMethod(post);
            String dest = post.getResponseBodyAsString();
            System.out.println(dest);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

}