1 package com.itNoob.httpClient;

 import org.apache.commons.httpclient.HttpClient;

 import org.apache.commons.httpclient.methods.PostMethod;

 import org.apache.commons.httpclient.params.HttpMethodParams;

 public class HTTPClient {

     public static void main(String[] args) {

         // 请求接口地址

         String url = "http://v.juhe.cn/historyWeather/province";

         // 请求参数

         String key = "c60f89ced863679ebe086b9971b38957";

         HttpClient httpclient = null;

         PostMethod post = null;

         try {

             // 创建连接

             httpclient = new HttpClient();

             post = new PostMethod(url);

             // 设置编码方式

             post.getParams().setParameter(HttpMethodParams.HTTP_CONTENT_CHARSET, "UTF-8");

             // 添加参数

             post.addParameter("key", key);

             // 执行请求

             httpclient.executeMethod(post);

             // 接口返回信息

             String info = new String(post.getResponseBody(), "UTF-8");

             System.out.println("resultJSON:" + info);

         } catch (Exception e) {

             e.printStackTrace();

         } finally {

             // 关闭连接，释放资源

             post.releaseConnection();

         }

     }

 }

httpClient使用到的jar包：http://www.wmzhe.com/soft-32814.html