- 有两种方式:大家详细看看,非常好用!
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;
import com.alibaba.fastjson.JSON;
import com.jingyou.application.common.JSONUtils;
public class HttpClientCheHuiTDH {
public static String doPost(Map map)throws Exception {
//1 获得HttpClient这个工具类
HttpClient client = HttpClients.createDefault();
//2 设置Http请求方式 (get,post)
HttpPost post = new HttpPost("http://36.110.41.67:8090/dwjk/api/getAjbsAndAh/getNAjbs");//getAh
post.setHeader("systemid", "jingyoutimes");
post.setHeader("authcode", "3699185f24ddaa775805d5c476701098");
//3 传递数据
// JSONObject response = null;
String jsonTDH = JSONUtils.bean2json(map);
System.out.println(jsonTDH);
try {
StringEntity s = new StringEntity(jsonTDH.toString());
s.setContentEncoding("UTF-8");
s.setContentType("application/json");//发送json数据需要设置contentType
post.setEntity(s);
HttpResponse res = client.execute(post);
if(res.getStatusLine().getStatusCode() == HttpStatus.SC_OK){
HttpEntity entity = res.getEntity();
String result = EntityUtils.toString(res.getEntity());// 返回json格式:
// response = JSONObject.fromObject(result);
System.out.println(result);
return result;
}
} catch (Exception e) {
throw new RuntimeException(e);
}
return null;
//NameValuePair NJbfyPair = new BasicNameValuePair("NJbfy","2050");
/* NameValuePair NJbfyPair = new BasicNameValuePair("NJbfy","1700");
List<NameValuePair> params = new ArrayList<NameValuePair>();
params.add(NJbfyPair);
HttpEntity sendEntity = new UrlEncodedFormEntity(params,"UTF-8");
post.setEntity(sendEntity);
//4 发送请求 并 接受响应
HttpResponse response = client.execute(post);
* HttpClient中 把请求 或 响应的数据 都称之为 HttpEntity;
HttpEntity entity = response.getEntity();
InputStream is = entity.getContent();
//开始 传统的IO操作
InputStreamReader isr = new InputStreamReader(is,"UTF-8");
BufferedReader br = new BufferedReader(isr);
String flag = null;
while(true){
flag = br.readLine();
if(flag==null)break;
System.out.println(flag);
return flag;
}
return flag;*/
}
}