httpClient 文件上传
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); //若没有commons-codec-1.4-bin.zip, 这里将会出错 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(); } }} package servlet;import java.io.File;import java.io.IOException;import java.util.Iterator;import java.util.List;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import org.apache.commons.fileupload.FileItem;import org.apache.commons.fileupload.disk.DiskFileItemFactory;import org.apache.commons.fileupload.servlet.ServletFileUpload;public class TestServlets 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(); } }public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException{ try { // 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(4194304); // 设置最大文件尺寸，这里是4MB 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(); 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(); }}}//转载于:http://www.cnblogs.com/zhangxz/archive/2010/09/06/1819333.html