addstaffservlet.java

酒店管理系统

package servlet;

import database.*;

import java.io.IOException;
import java.io.PrintWriter;
import database.connectDB;
import java.sql.*;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import database.*;
public class AddStaffServlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	private String codeToString(String str){
		String s = str;
		try{
			byte tempB[]= s.getBytes("ISO-8859-1");
			s = new String(tempB);
			return s;
		}catch(Exception e){
			return s;
		}
	}
	
	public AddStaffServlet() {
		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 {


	}

	/**
	 * 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 {
		response.setContentType("text/html;charset=gbk");
		PrintWriter out = response.getWriter();
		String staffID = request.getParameter("staffID");
		String staffName = codeToString(request.getParameter("name"));
		String staffStatus = codeToString(request.getParameter("status"));
		String staffSex = codeToString(request.getParameter("sex"));
		String staffTel = request.getParameter("tel");
		
		String bl;
		
		if(staffID == ""){
		   out.print("The staff ID cann't be null!");
		}
		
		try{
			connectDB con = new connectDB();
			String sql = "insert into staff values('"+staffID+"','"+staffName+"','"+staffStatus+"','"+staffSex+"','"+staffTel+"','"+staffID+"')"; 			 
			con.excuteUpdate(sql);	
			out.println("<center>");
			out.println("更改成功！");
			out.println("服务器将自动跳转到前页");
			out.println("<br>");
			out.println("<a href='/hotel/staffAdd.jsp'>");
			out.println("如果没有跳转，请点击这里！");
			out.println("</a>");
			out.println("<meta http-equiv='refresh' content='1 url=/hotel/staffAdd.jsp'>");
			
		}catch(Exception e){
			e.printStackTrace();
		}
		
	}

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

}