categoryeditservlet.java

来自「使用jsp+Servlet,采用MVC模式,实现了一典型小型电子商务网站的全过程」· Java 代码 · 共 86 行

package com.eshop.servlet.manager.category;

import java.io.IOException;
import java.io.PrintWriter;

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

import com.eshop.service.CategoryService;
import com.eshop.vo.Category;


public class CategoryEditServlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public CategoryEditServlet() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		doPost(request,response);
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		request.setCharacterEncoding("gbk");
		boolean success=false;
		Category category=new Category();
		category.setCatid(request.getParameter("catid"));
		category.setName(request.getParameter("name"));
		category.setDescn(request.getParameter("descn"));
		CategoryService categoryChangeDao=new CategoryService();
		success=categoryChangeDao.changeCategory(category);
		if(success){
			RequestDispatcher requestDisptcher=request.getRequestDispatcher("../category/categoryManagerList");
			requestDisptcher.forward(request, response);
		}
	}

	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occure
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}