addbookservlet.java

使用JSP+MSSQL开发的在线通讯录系统.包含源码

package com.e98.addressbook.servlet;

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

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import javax.swing.JOptionPane;

import com.e98.addressbook.dao.BookDao;
import com.e98.addressbook.dao.impl.BookDaoImpl;
import com.e98.addressbook.entity.Book;
import com.e98.addressbook.entity.Users;

public class AddBookServlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public AddBookServlet() {
		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 {
		HttpSession session = request.getSession(false);
		Users users = (Users) session.getAttribute("user");
		if (users == null) {
			response.sendRedirect("index.jsp");
		} else {
			request.setCharacterEncoding("GBK");
			Book book = new Book();
			String address = request.getParameter("address");
			String comAddress = request.getParameter("comAddress");
			String company = request.getParameter("company");
			String comPhone = request.getParameter("comPhone");
			String mobilePhone = request.getParameter("mobilePhone");
			String name = request.getParameter("name");
			String phone = request.getParameter("phone");
			int relation = Integer.parseInt(request.getParameter("relation"));
			String sex = request.getParameter("sex");

			int userId = users.getUserId();
			book.setAddress(address);
			book.setComAddress(comAddress);
			book.setCompany(company);
			book.setComPhone(comPhone);
			book.setMobilePhone(mobilePhone);
			book.setName(name);
			book.setPhone(phone);
			book.setRelation(relation);
			book.setSex(sex);
			book.setUserId(userId);
			BookDao bookDao = new BookDaoImpl();
			boolean flag = bookDao.addBook(book);
			if (flag) {

				Users user = (Users) session.getAttribute("user");
				List<Book> list = new ArrayList<Book>();

				list = bookDao.selectAllBook(user.getUserId());
				request.setAttribute("list", list);
				request.getRequestDispatcher("bookContent.jsp").forward(
						request, response);

			} else {

				request.getRequestDispatcher("addBook.jsp").forward(request,
						response);
			}
			response.setContentType("text/html");
			PrintWriter out = response.getWriter();
			out.flush();
			out.close();
		}
	}

	/**
	 * 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 {

		this.doGet(request, response);
	}

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

}