java模拟http发送请求,第一种是HttpURLConnection发送post请求,第二种是使用httpclient模拟post请求,
实例代码:
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package test;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import org.apache.http.HttpEntity;
import org.apache.http.NameValuePair;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;
* @author wdh
*
*/
public class ServiceThreadTest implements Runnable{
private String url;
private Map<String,Object> paramStr;
public ServiceThreadTest(String url, Map<String,Object> paramStr) {
super ();
this .url = url;
this .paramStr = paramStr;
}
public String getUrl() {
return url;
}
public void setUrl(String url) {
this .url = url;
}
public Map<String,Object> getParamStr() {
return paramStr;
}
public void setParamStr(Map<String,Object> paramStr) {
this .paramStr = paramStr;
}
@Override
public void run() {
// http请求实现方式
CloseableHttpClient httpClient = HttpClients.createDefault();
HttpPost post = new HttpPost(url);
RequestConfig config = RequestConfig.custom().setConnectionRequestTimeout( 10000 ).setConnectTimeout( 10000 )
.setSocketTimeout( 10000 ).build();
CloseableHttpResponse response = null ;
try {
List<NameValuePair> params = setHttpNameValues(paramStr);
HttpEntity httpentity= new UrlEncodedFormEntity(params, "utf-8" );
post.setEntity(httpentity);
post.setConfig(config);
response = httpClient.execute(post);
HttpEntity entity = response.getEntity();
String content = EntityUtils.toString(entity);
System.out.println( "content:" + content);
} catch (Exception e) {
e.printStackTrace();
}
}
private List<NameValuePair> setHttpNameValues(Map<String,Object> paramMap) {
List<NameValuePair> params = new ArrayList<NameValuePair>();
for (Entry<String, Object> entry:paramMap.entrySet()){
params.add( new BasicNameValuePair(entry.getKey(),entry.getValue().toString()));
}
return params;
}
public static void main(String[] args) {
//运用java工具类中线程池
ExecutorService pool = Executors.newCachedThreadPool();
for ( int i = 0 ;i< 2 ;i++) { //开启俩个线程
String url = "xxxx" ;
Map<String,Object> paramStr = getHttpParamStr();
pool.execute( new ServiceThreadTest(url,paramStr));
}
}
public static Map<String,Object> getHttpParamStr() {
Map<String, Object> param = new HashMap<String, Object>();
param.put( "apiversion" , 1 );
param.put( "appversion" , "3.6.2" );
return param;
}
}
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以上就是本次分享的关于java模拟多线程http请求的全部内容,感谢大家对服务器之家的支持。
原文链接:https://blog.csdn.net/net343/article/details/75460649