HttpClient 3.1 文件上传

String targetURL = null;// TODO 指定URL
File targetFile = null;// TODO 指定上传文件

targetFile = new File("C:\\Users\\Administrator\\Desktop\\1.mp3");
targetURL = "http://localhost:8080/HttpClientDemo/test"; //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(10000);
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();
}

public class HttpClientTest extends HttpServlet {

private String uploadPath = "D:\\temp"; // 上传文件的目录
private String tempPath = "d:\\temp\\buffer\\"; // 临时文件目录
File tempPathFile;

public void init() throws ServletException {
File uploadFile = new File(uploadPath);
if (!uploadFile.exists()) {
uploadFile.mkdirs();
}
File tempPathFile = new File(tempPath);
if (!tempPathFile.exists()) {
tempPathFile.mkdirs();
}
}
//	@Override
//	protected void service(HttpServletRequest request, HttpServletResponse response)
//			throws ServletException, IOException {
//
////		String name=request.getParameter("name");
////		System.out.println("name: "+name);
////		request.getRequestDispatcher("index.jsp").forward(request, response);
//
//
//
//	}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException
{
try
{
System.out.println("dopost");
// Create a factory for disk-based file items
DiskFileItemFactory factory = new DiskFileItemFactory();
// Set factory constraints
factory.setSizeThreshold(4096); // 设置缓冲区大小，这里是4kb
factory.setRepository(tempPathFile);// 设置缓冲区目录
// Create a new file upload handler
ServletFileUpload upload = new ServletFileUpload(factory);
// Set overall request size constraint
upload.setSizeMax(10*1024*1024); // 设置最大文件尺寸，这里是10MB
List<FileItem> items = upload.parseRequest(request);// 得到所有的文件
Iterator<FileItem> i = items.iterator();
while (i.hasNext())
{
FileItem fi = (FileItem) i.next();
String fileName = fi.getName();
System.out.println(fileName);
if (fileName != null)
{
File fullFile = new File(fi.getName());
File savedFile = new File(uploadPath, fullFile.getName());
fi.write(savedFile);
}
}
System.out.print("upload succeed");
}
catch (Exception e)
{
System.out.println(e.getMessage());
// 可以跳转出错页面
e.printStackTrace();
}
}

}