java+httpclient—— 一个简单的post请求
2021-01-29 23:17
标签:数据 move nec main man cut etc type version 执行结果: HTTP/1.1 301 Moved Permanently java+httpclient—— 一个简单的post请求 标签:数据 move nec main man cut etc type version 原文地址:https://www.cnblogs.com/xiaobaibailongma/p/12822186.htmlpackage jkcs;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import org.apache.http.Header;
import org.apache.http.HttpEntity;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.utils.URIBuilder;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
public class jiekoumoni
{
public static void main(String[] args) throws ClientProtocolException, IOException, Exception
{
CloseableHttpClient client = HttpClients.createDefault(); //创建一个http客户端
HttpPost httpPost = new HttpPost("http://www.oschina.net/");// 通过httpPost方式来实现我们的get请求
httpPost.setHeader("User-Agent", "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36");//伪装成浏览器请求
CloseableHttpResponse Response = client.execute(httpPost); // 通过client调用execute方法,得到我们的执行结果就是一个response,所有的数据都封装在response里面了
//-----------------------------------------------------------------------
System.out.println(Response.getStatusLine()); //HTTP/1.1 200 OK
System.out.println(Response.getProtocolVersion()); //HTTP/1.1
System.out.println(Response.getStatusLine().getStatusCode()); //200
//-----------------------------------------------------------------------
HttpEntity httpEntity = Response.getEntity(); //获取某个固定的响应头
System.out.println(httpEntity.getContentType()); //Content-Type: text/html
//-----------------------------------------------------------------------
System.out.println(Response.getFirstHeader("Content-Type"));//Content-Type: text/html
System.out.println(Response.getFirstHeader("Date")); //Date: Sun, 03 May 2020 06:58:16 GMT
//-----------------------------------------------------------------------
Header[] headers = Response.getAllHeaders(); //获取所有响应头
for (Header header : headers)
{
System.out.println("Key : " + header.getName()+", ," +" Value : " + header.getValue());
}
//-----------------------------------------------------------------------
Response.close(); // 关闭
}
}
HTTP/1.1
301
Content-Type: text/html
Content-Type: text/html
Date: Sun, 03 May 2020 07:47:35 GMT
Key : Date, , Value : Sun, 03 May 2020 07:47:35 GMT
Key : Content-Type, , Value : text/html
Key : Content-Length, , Value : 239
Key : Connection, , Value : keep-alive
Key : Server, , Value : Tengine
Key : Location, , Value : https://www.oschina.net/
文章标题:java+httpclient—— 一个简单的post请求
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