package cn.zhaoyuening.web.servlet;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
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.FileUploadException;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;
import org.apache.commons.io.IOUtils;
public class UploadServlet extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
doPost(request, response);
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=utf-8");
DiskFileItemFactory factory = new DiskFileItemFactory();
ServletFileUpload upload = new ServletFileUpload(factory);
upload.setHeaderEncoding("utf-8");
try {
List<FileItem> fileList = upload.parseRequest(request);
for (FileItem item : fileList) {
if (item.isFormField()) {
//不是上传文件
}else{
//是上传文件
InputStream in = item.getInputStream();
String fileName = item.getName();
//将文件保存到f的根目录下
FileOutputStream fos = new FileOutputStream("F:\\"+fileName);
IOUtils.copy(in, fos);
response.getWriter().print("<h1>上传成功</h1>");
}
}
} catch (FileUploadException e) {
}
}
}