WebRoot/qiantai/message.jsp

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<%@ page language="java" contentType="text/html; charset=UTF-8"
	pageEncoding="UTF-8"%>
<%@ taglib uri="/struts-tags" prefix="s"%>

<jsp:useBean id="db1" scope="page" class="com.dao.DB"/>
<%@ page import="java.sql.*" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>在线留言</title>
<link href="${pageContext.request.contextPath}/css/common.css"
	rel="stylesheet" type="text/css" />
<link href="${pageContext.request.contextPath}/css/register.css"
	rel="stylesheet" type="text/css" />

<script>
	function checkForm() {
		// 校验用户名:
		// 获得用户名文本框的值:
		var username = document.getElementById("t1").value;
		if (username == null || username == '') {
			alert("不能为空!");
			return false;
		}
	}
</script>

<% 
	request.setCharacterEncoding("UTF-8");
    String x1 = request.getParameter("t1");
    String x2 = request.getParameter("t2");
    String existUserName="";
    
    if(session.getAttribute("existUserName")!=null)
    {
	   existUserName= session.getAttribute("existUserName").toString();  
	}
	
java.text.SimpleDateFormat formatter = new java.text.SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
java.util.Date currentTime = new java.util.Date();//得到当前系统时间
String str_date1 = formatter.format(currentTime); //将日期时间格式化 
String str_date2 = currentTime.toString(); //将Date型日期时间转换成字符串形式 

    if(x1==null || x1.equals(""))
    {
    	
    }
    else
    {
	    String sql="insert into Messages(username,title,con,riqi,huifi) values('"
	    + existUserName +"','"+ x1 +"','"+ x2 +"','"+ str_date1 +"','') ";
	    
	    System.out.println(sql);
	    db1.executeMysql(sql);
	}
%>
 
</head>