发送HTTP请求--HttpCommon

package com.maxus.tsp.platform.baiduhttp;

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.util.EntityUtils;

public class HttpCommon {

private final static int TIME_OUT = 15000;

private RequestConfig requestConfig = RequestConfig.custom()
.setSocketTimeout(TIME_OUT)
.setConnectTimeout(TIME_OUT)
.setConnectionRequestTimeout(TIME_OUT)
.build();

public String httpGet(String url) throws Exception {
HttpGet get = new HttpGet(url);
get.setConfig(requestConfig);

CloseableHttpClient client = HttpClientBuilder.create().build();

HttpResponse response = client.execute(get);

StringBuilder sb = new StringBuilder();

if (response.getStatusLine().getStatusCode() == 200) {
HttpEntity entity = response.getEntity();

InputStream in = entity.getContent();
BufferedReader reader = new BufferedReader(new InputStreamReader(in));

String line = null;
while ((line = reader.readLine()) != null) {
sb.append(line);
}
} else {
sb.append("error");
}
return sb.toString();
}

public void post(String url, HttpEntity reqEntity) {
long start = System.currentTimeMillis();
try {
HttpClient client = HttpClientBuilder.create().build();
HttpPost post = new HttpPost(url);
post.setEntity(reqEntity);
post.setConfig(requestConfig);
HttpResponse response = client.execute(post);

if (response.getStatusLine().getStatusCode() == 200) {
HttpEntity resEntity = response.getEntity();
String message = EntityUtils.toString(resEntity, "utf-8");
System.out.println(message);
} else {
System.out.println("请求失败");
}
} catch(Exception e) {
e.printStackTrace();
}
long end = System.currentTimeMillis();
System.out.println((end - start) / 1000 + "秒");
}

}

发送HTTP请求--HttpCommon

原文地址：http://www.cnblogs.com/hzm123/p/7850673.html