chat_init.java
来自「jsp 应用开发详解源代码 电子工业出版社 包含书中个源代码」· Java 代码 · 共 56 行
JAVA
56 行
package ec;import javax.servlet.*;import javax.servlet.http.*;import java.io.*;import java.util.Vector;import java.util.Hashtable;import java.util.Date;public class chat_init 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>初始化聊天室</title>"); out.println("</head>"); out.println("<body>"); //初始化聊天室信息 Vector chatMsgVector=new Vector(); chatMsgVector.addElement("<font color='red' size='2'>欢迎来到blueriver聊天室！！！<br>"); chatMsgVector.addElement("为中国今年的胜利加油</font><br>"); //初始化欢迎信息 getServletContext().setAttribute("chatMsg",chatMsgVector); //初始化聊天室用户列表（blueriver、wangxining、蓝河之波） Vector chatUser=new Vector(); chatUser.addElement("blueriver[管理员]"); chatUser.addElement("wangxining[管理员]"); chatUser.addElement("蓝河之波[管理员]"); getServletContext().setAttribute("chatUser",chatUser); //初始化聊天主题 getServletContext().setAttribute("chatTopic","为中国今年的胜利加油"); Hashtable userLife=new Hashtable(); Hashtable userIP=new Hashtable(); Date initTime=new Date(); String initIP="192.168.1.100"; userLife.put("init",new Long(initTime.getTime())); userIP.put("init",initIP); getServletContext().setAttribute("userLife",userLife); getServletContext().setAttribute("userIP",userIP); 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
增大字号Ctrl + =
减小字号Ctrl + -
显示快捷键?