📄 chat_listuser.java
字号:
package ec;import javax.servlet.*;import javax.servlet.http.*;import java.io.*;import java.util.*;public class chat_listuser extends HttpServlet { private static final String CONTENT_TYPE = "text/html; charset=GBK"; /**Initialize global variables*/ public void init() throws ServletException { } /**Process the HTTP Get request*/ public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType(CONTENT_TYPE); PrintWriter out = response.getWriter(); out.println("<html>"); out.println(" <head>"); out.println("<title>聊天室用户列表</title>"); out.println("</head>"); out.println("<body bgcolor=\"#CCCC99\">"); out.println("<b><font size=\"+2\" color=\"#000033\">blueriver</font></b><br>"); out.println("<b><font color=\"#000033\" size=\"+3\">聊天室</font></b><br>"); out.println("<font color=\"#FF0033\"><b>总人数:</b></font>"); out.println("<font color=\"#0000FF\" size=\"2\"><b> "); Vector tempuser=(Vector)getServletContext().getAttribute("chatUser"); out.println(tempuser.size()); out.println("</font></b><br><br><br>"); out.println("<b> <font color=\"red\" size=\"2\"> 用户列表: </font><br>"); out.println("<font size=\"2\" color=\"#0000FF\">"); for (int i=0;i<tempuser.size();i++) { out.println(tempuser.elementAt(tempuser.size()-i-1).toString()); out.println("<br>"); } out.println("</font></b>"); out.println("<br>"); out.println("</body>"); out.println("</html>"); } /**Clean up resources*/ public void destroy() { }}⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -