一个简陋的留言板

【效果图】

就两个jsp文件搞定
example2_1.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8" import="java.util.*"%>


    
        
        
        
    
    
        

            Name:   

            Content:

                        
            

            
        
        

        view comments
    

sub.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8" import="java.util.*"%>


    
        
        
    
    
        <%
            request.setCharacterEncoding("utf-8");
            if (application.getAttribute("mainboard")==null){
                application.setAttribute("mainboard", "");
            }
            String cur = (String)application.getAttribute("mainboard");
            if (!(request.getParameter("user")==null) &&
                    !(request.getParameter("newwords")==null)){
                String user = request.getParameter("user");
                String words = request.getParameter("newwords");

                if (cur.length()!=0){
                    cur = cur + "
";
                }
                cur = cur + user+":";
                cur = cur + words;
                application.setAttribute("mainboard", cur);
            }
            out.print(cur);
        %> 
        


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