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<head>
<title></title>
</head>
<body>
<form action="servlet/serverMyJsp" method="post">
<textarea rows="" cols="" ><%=application.getAttribute("message") %></textarea><br>
<input type="text" name="message">
<input type="submit" value="åé ">
</form>
</body>
</html>
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package server;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
public class serverMyJsp extends HttpServlet {
public serverMyJsp() {
super();
}
public void destroy() {
super.destroy();
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
this.doPost(request, response);
response.setContentType("text/html");
PrintWriter out = response.getWriter();
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
response.setCharacterEncoding("gbk");
request.setCharacterEncoding("gbk");
//String demo=request.getParameter("message");
// String str=new String(demo.getBytes("Iso--1"),"gbk()");
ServletContext sc=this.getServletContext();
String uname=(String) request.getSession().getAttribute("aa");
System.out.println(uname);
String amessage=(String) sc.getAttribute("message");
sc.setAttribute("message", amessage+uname+"说:"+request.getParameter("message")+"\r\n");
response.sendRedirect("../MyJsp.jsp");
}
public void init() throws ServletException {
}
}