Java HttpClient PostMethod详解编程语言

import org.apache.commons.httpclient.HttpClient; 
import org.apache.commons.httpclient.methods.PostMethod; 
import org.junit.Test; 
 
/** 
 * @author ceshi 
 * @Title: JunitTest 
 * @ProjectName test 
 * @Description: TODO 
 * @date 2018/6/1416:39 
 */ 
public class JunitTest { 
    @Test 
    public void test(){ 
        HttpClientPostMethod("http://localhost:8080/test/api","你好"); 
    } 
 
 
    public String  HttpClientPostMethod(String url,String data){ 
        //1.创建 HttpClient 
        HttpClient httpClient = new HttpClient(); 
        // 2.构造PostMethod的实例 
        PostMethod postMethod = new PostMethod(url); 
        //3.请求参数 
        postMethod.addParameter("data", data); 
        String responseMsg = ""; 
        try { 
            httpClient.executeMethod(postMethod); 
            responseMsg = postMethod.getResponseBodyAsString().trim(); 
        } catch (Exception e) { 
            e.printStackTrace(); 
        } finally { 
            // 4.释放连接 
            postMethod.releaseConnection(); 
        } 
        return  responseMsg; 
    } 
 
}

<dependency> 
　　<groupId>org.apache.httpcomponents</groupId> 
   <artifactId>httpclient</artifactId> 
   <version>4.5.3</version> 
</dependency> 
<dependency> 
    <groupId>commons-httpclient</groupId> 
    <artifactId>commons-httpclient</artifactId> 
    <version>3.1</version> 
</dependency>