rolesaveservlet.java

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.包括前台和后台的全部功能.适合于初学者学习使用.

package com.eshop.servlet.manager.role;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;

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.RoleService;
import com.eshop.vo.Role;
import com.eshop.vo.RolePerm;

public class RoleSaveServlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public RoleSaveServlet() {
		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");
		String path=request.getContextPath();
		List list=new ArrayList();
		Role role=new Role();
		RolePerm rolePerm=new RolePerm();
		role.setRoleDescn(request.getParameter("roledescn"));
		role.setRoleName(request.getParameter("rolename"));
		rolePerm.setPid(request.getParameterValues("permis"));//获得所用户所选择的权限		
		RoleService service=new RoleService();
		boolean flag=service.saveRole(role,rolePerm);
		if(flag){
			RequestDispatcher requestDisptcher=request.getRequestDispatcher("../role/roleList");
			requestDisptcher.forward(request, response);
		}
		
	}

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

}