userlistservlet.java

来自「利用servlet写的用户注册登陆」· Java 代码 · 共 62 行

JAVA
62
字号
package com.tarena.serv.app;

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

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.tarena.persitence.User;

public class UserListServlet extends HttpServlet {
	protected void doPost(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException {
		response.setContentType("text/html");
		response.setCharacterEncoding("gbk");
		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\">list</h3>");
		out.println("<hr>");
		out.println("<table width=\"600\" align=\"center\" border=\"1\">");
		out.println("<tr>");
		out.println("<th>no</th>");
		out.println("<th>username</th>");
		out.println("<th>gender</th>");
		out.println("<th>birthday</th>");
		out.println("</tr>");
		List<User> users = (List<User>) request.getAttribute("users");
		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.getBirthday() == null ? "&nbsp;" : user
							.getBirthday()) + "</td>");
			out.println("</tr>");
			no++;
		}
		out.println("</table>");
		out.println("</body>");
		out.println("</html>");

	}

	protected void doGet(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException {
		doPost(request, response);

	}
}

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