📄 userlistservlet.java
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package com.allanlxf.serv.adv;
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import com.allanlxf.jdbc.UserService;
import com.allanlxf.jdbc.User;
import java.util.*;
public class UserListServlet extends HttpServlet
{
private UserService userService = new UserService();
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws IOException, ServletException
{
Collection<User> users = (Collection<User>)request.getAttribute("users");
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println("<html>");
out.println("<head>");
out.println("<title>list</title>");
out.println("</head>");
out.println("<body>");
out.println("<h3 align=\"center\">all users</h3>");
out.println("<hr>");
out.println("<form method=\"post\" action=\"/serv-app/user/register\">");
out.println("<table border=\"1\" align=\"center\" width=\"80%\" cellpadding=\"5\" cellspacing=\"0\">");
out.println("<tr>");
out.println("<th align=\"center\">no</th>");
out.println("<th align=\"center\">userName</th>");
out.println("<th>gender</th>");
out.println("<th align=\"center\">province</th>");
out.println("<th>hobbies</th>");
out.println("</tr>");
int no = 1;
Iterator<User> iter = users.iterator();
while(iter.hasNext())
{
User user = iter.next();
out.println("<tr>");
out.println("<td align=\"center\">" + no + "</td>");
out.println("<td align=\"center\">" + user.getUserName() + "</td>");
out.println("<td align=\"center\">" + user.getGender() + "</td>");
out.println("<td align=\"center\">" + user.getProvince() + "</td>");
out.println("<td align=\"center\">" + user.getHobbies() + "</td>");
out.println("</tr>");
no++;
}
out.println("</table>");
out.println("<br>");
out.println("<div align=\"center\">");
out.println("<a href=\"/serv-app/static/register.html\">register</a>");
out.println("</div>");
out.println("</form>");
out.println("</body>");
out.println("</html>");
out.close();
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws IOException, ServletException
{
doGet(request, response);
}
}⌨️ 快捷键说明
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