editservlet.java

基本完成上传本地图片和信息的分类显示

package com.servlet;

import java.io.File;
import java.io.IOException;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.bean.Student;
import com.bean.StudentAccess;

/**
 * Servlet implementation class for Servlet: EditServlet
 * 
 */
public class EditServlet extends javax.servlet.http.HttpServlet implements
		javax.servlet.Servlet {
	static final long serialVersionUID = 1L;

	/*
	 * (non-Java-doc)
	 * 
	 * @see javax.servlet.http.HttpServlet#HttpServlet()
	 */
	public EditServlet() {
		super();
	}

	/*
	 * (non-Java-doc)
	 * 
	 * @see javax.servlet.http.HttpServlet#doGet(HttpServletRequest request,
	 *      HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		doPost(request, response);
	}

	/*
	 * (non-Java-doc)
	 * 
	 * @see javax.servlet.http.HttpServlet#doPost(HttpServletRequest request,
	 *      HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		request.setCharacterEncoding("gbk");

		StudentAccess dao = new StudentAccess();
		Student bean = new Student();
		String id = request.getParameter("id");
		bean.setId(Integer.parseInt(id));
		bean.setName(request.getParameter("name"));
		bean.setBirthPlace(request.getParameter("birthplace"));
		bean.setBirthday(request.getParameter("birthday"));

		String picture = request.getParameter("photo");
		if (picture != null && !picture.equals(""))
			bean.setPhoto(new File(picture));
		else
			;

		// System.out.println(request.getParameter("name"));

		Student result = dao.editStudent(bean);

		request.setAttribute("bean", result);
		RequestDispatcher rd = request.getRequestDispatcher("edit.jsp");
		rd.forward(request, response);
	}
}