發送Post請求代碼如下：
[java] view plain copy
package com.zkn.newlearn..google.common.collect.Lists;
/**
*
* @author zkn 2016-06-05
*
*/
public class HttpClientTest01 {
public static void main(String[] args) {
//創建HttpClient對象
CloseableHttpClient closeHttpClient = HttpClients.createDefault();
CloseableHttpResponse httpResponse = null;
//發送Post請求
HttpPost httpPost = new HttpPost("http://localhost:8080/MyWebxTest/getCityByProvinceEname.do");
//設置Post參數
List<NameValuePair> params = Lists.newArrayList();
params.add(new BasicNameValuePair("cityEname", "henan"));
try {
//轉換參數並設置編碼格式
httpPost.setEntity(new UrlEncodedFormEntity(params,Consts.UTF_8));
//執行Post請求 得到Response對象
httpResponse = closeHttpClient.execute(httpPost);
//httpResponse.getStatusLine() 響應頭信息
System.out.println(httpResponse.getStatusLine());
//返回對象 向上造型
HttpEntity httpEntity = httpResponse.getEntity();
if(httpEntity != null){
//響應輸入流
InputStream is = httpEntity.getContent();
//轉換為字符輸入流
BufferedReader br = new BufferedReader(new InputStreamReader(is,Consts.UTF_8));
String line = null;
while((line=br.readLine())!=null){
System.out.println(line);
}
//關閉輸入流
is.close();
}
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
} catch (ClientProtocolException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}finally{
if(httpResponse != null){
try {
httpResponse.close();
} catch (IOException e) {
e.printStackTrace();
}
}
if(closeHttpClient != null){
try {
closeHttpClient.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
}