📄 showstaffservlet.java
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package servlet;
import java.io.IOException;
import java.io.PrintWriter;
import database.connectDB;
import java.sql.ResultSet;
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 ShowStaffServlet extends HttpServlet {
/**
* Constructor of the object.
*/
public ShowStaffServlet() {
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");
out.print("<body bgcolor='#E8F1D4'><br><br><br><br>");
if(staffID == ""){
out.print("<center>The staff ID cann't be null!");
}else{
try{
connectDB con = new connectDB();
//out.print("link succuss");
String sql1 = "select * from staff where staffID = '"+staffID+"'";
con.excuteQuery(sql1);
if(!con.next()){
out.print("<center>The staff ID is not exist!");
}else{
out.println(" <p align='center'>员工的详细信息：</p><br><br>");
out.println("<TABLE border='1' width='30%' align=center ");
out.println(" <TBODY><tr><td>ID:<th>");
out.println(con.getString(1));
out.println("</td></tr><tr><td>姓名:<th>");
out.println(con.getString(2));
out.println(" </td></tr><tr><td>职位:<th>");
out.println(con.getString(3));
out.println(" </td></tr><tr><td>性别:<th>");
out.println(con.getString(4));
out.println(" </td></tr><tr><td>电话:<th>");
out.println(con.getString(5));
out.println(" </td></tr></TBODY></table>");
}
out.println("<br><p align='center'>点<a href='/hotel/staffSearch.jsp'>这里</a>返回前一页。</p></body>");
}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
}
}
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