code073.java

package pack02;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.UUID;

import javax.servlet.ServletException;
import javax.servlet.annotation.MultipartConfig;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.Part;

import org.apache.catalina.core.ApplicationPart;

//�ļ��ϴ���servlet��
@WebServlet("/page04/code073") //����ʡ��д������ʵ��ʾurl-pattern
@MultipartConfig(location = "d:/")  //���·������ʱ�ļ��еĵط���Ҳ�����ļ����ϴ��������Ȼ�����ƶ�������Ҫ�����·����
public class code073 extends HttpServlet
{

    /**
     * 
     */
    private static final long serialVersionUID = 1L;
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
    {
        response.setContentType("text/html; charset=utf-8");
        PrintWriter writer1 = response.getWriter();
        String path = this.getServletContext().getRealPath("/");
        Part part1 = request.getPart("file1");
        if (part1.getContentType().contains("image"))
        {
            ApplicationPart ap = (ApplicationPart)part1;
            String fname1 = part1.getSubmittedFileName();
            int index = fname1.lastIndexOf(".");
            String fname2 = fname1.substring(index,fname1.length()); //�ļ���׺
            String linePath = path +UUID.randomUUID().toString()+ fname2;
            part1.write(linePath);
            writer1.write("�ļ��ϴ��ɹ���<br>" + linePath);

        }
        else 
        {
            writer1.write("��ѡ��ͼƬ�ļ���");
        }
    }
}