利用HttpClient进行http文件上传

应用程序部分：

注意：要载入commons-httpclient-3.1.jar commons-codec.jar commons-logging.jar这三个包

import java.io.File;
 
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpStatus;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.commons.httpclient.methods.multipart.FilePart;
import org.apache.commons.httpclient.methods.multipart.MultipartRequestEntity;
import org.apache.commons.httpclient.methods.multipart.Part;
 
public class Hclient
{
public static void main(String args[])
{
   String targetURL = null;// TODO 指定URL
   File targetFile = null;// TODO 指定上传文件
   
   targetFile = new File("1.mp3");
   targetURL = "http://localhost:8080/test/tt"; //servleturl
   PostMethod filePost = new PostMethod(targetURL);
   
   try
   {
 
    //通过以下方法可以模拟页面参数提交
    //filePost.setParameter("name", "中文");
    //filePost.setParameter("pass", "1234");
 
   Part[] parts = { new FilePart(targetFile.getName(), targetFile) };
    filePost.setRequestEntity(new MultipartRequestEntity(parts,filePost.getParams()));
    HttpClient client = new HttpClient();
    client.getHttpConnectionManager().getParams().setConnectionTimeout(5000);
    int status = client.executeMethod(filePost);
    if (status == HttpStatus.SC_OK)
    {
     System.out.println("上传成功");
     // 上传成功
    }
    else
    {
     System.out.println("上传失败");
     // 上传失败
    }
   }
   catch (Exception ex)
   {
    ex.printStackTrace();
   }
   finally
   {
    filePost.releaseConnection();
   }
}
}

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