HTTPClient学习

https://www.cnblogs.com/liujisong2014221/articles/8269572.html

转自这里

 1 //访问地址
 2         String uri = "";
 3         //创建client对象
 4         HttpClient client = HttpClients.createDefault();
 5         //创建post对象
 6         HttpPost post = new HttpPost(uri);
 7         
 8         //请求参数
 9         List<NameValuePair> paras = new ArrayList<NameValuePair>();
10         //键值对
11         paras.add(new BasicNameValuePair("username", "admin"));
12         paras.add(new BasicNameValuePair("password", "123456"));
13         
14         //创建entity对象
15         UrlEncodedFormEntity entity = new UrlEncodedFormEntity(paras);
16         
17         //把entity对象放入post请求中
18         post.setEntity(entity);
19         //执行请求
20         HttpResponse resp = client.execute(post);
21         //获取服务端返回的数据
22         HttpEntity en = resp.getEntity();
23         //把en对象转为字符串
24         String result = EntityUtils.toString(en);
25         System.out.println("结果:"+result);

拓展httpurlConnection