第一个页面
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ page import="java.sql.*"%>
<%
String message1=(String)session.getAttribute("username");
if(message1!=null){
%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<head>
<style type="text/css">
div#container{width:1350px;height:1000px;margin-top: -3%;background-position: 0% 0%;margin-left: -7px;}
div#header {width:1350px; height:240px; margin-left: 0px;background-attachment:scroll;}
div#content1{ height:50px; width:1360px; float:left;margin-top: 0%;margin-left: 0%;}
div#content2{background:url("img/aa.jpg"); height:600px; width:350px; float:left;margin-top: 3%;margin-left: 3%;border-radius:25px;box-shadow: 10px 10px 5px #888888;}
div#content3{background:url("img/sw.jpg"); height:600px; width:730px; float:left;margin-top: 3%;margin-left: 10%;border-radius:25px;box-shadow: 10px 10px 5px #888888;}
div#content4 {background-color:#00FFFF;width:150px;height:150px;overflow: scroll}
h1{font-family: "华文行楷";font-size: 60px;color:black;font-style: italic;font-weight: bolder;letter-spacing: 15px;margin-left: 0px;}
h2{font-family: "隶书";font-size: 30px;color:black;font-style: italic;font-weight: bolder;letter-spacing: 15px;margin-left: 50px;}
.inputW{ width:660px; height:400px; margin-left: 110px;}
.inputf{ width:100px; height:30px; margin-left: 680px;}
body{background:url("img/rp.jpg");}
img{border-radius:100%;}
ul{float:left;width:100%;height:50px;padding:0;margin:0;list-style-type:none;}
a{float:left;width:319px;height:50px;text-decoration:none;text-align: center;color:black;background-color:green;padding:0.2em 0.6em;border-right:1px solid white;}
a:hover {background-color:white}
li {display:inline;}
div#footer{background:green;height:40px; width:1350px; float:left;margin-top:40px;margin-left: 0px;margin-bottom: 0px;}
</style>
<script type="text/javascript">
function check(){
var r=form1.textfield.value;
if(r!=""){
document.getElementById("s1").disabled=false;
}else{
document.getElementById("s1").disabled=true;
}
}
function sendtext(){
var text1=form1.textfield.value;
if(text1!=""){
createRequest("./insert1.jsp?text1="+text1);
}else {
}
}
function createRequest(url){
http_request=new XMLHttpRequest();
http_request.onreadystatechange=function(){
if(http_request.readyState==4){
if(http_request.status==200){
alert(http_request.status);
var t=document.getElementById("content2").innerHTML;
t=http_request.responseText;
}else{
alert(http_request.status);
alert("error");
}
}
}
http_request.open("POST",url,true);
http_request.send(null);
}
</script>
</head>
<body>
<div id=container>
<div id=header>
</div>
<div id=content1>
<ul>
<li><a href="shahua.jsp">沙画主页</a></li>
<li><a href="denglu.html">沙画图集</a></li>
<li><a href="denglu.html">沙画历史</a></li>
<li><a href="liuyan.jsp">给我留言</a></li>
</ul>
</div>
<div id=content2>
<br>
<h1 style="font-size:30px;letter-spacing: 3px">留言列表：</h1>
</div>
<div id=content3>
<h1 >留言板：</h1>
<form name="form1" action="" method="post">
<p>
<textarea name="textfield" cols="70" rows="23" style="margin-left:60px;" onkeyup="check()"></textarea>
</p>
<p align="center">
<input type="submit" value="提交" style="width:100px;height:30px" id="s1" disabled="disabled" onclick="sendtext()">
<input type="reset" value="取消"style="width:100px;height:30px;" name="r1">
</p>
</form>
</div>
<div id=footer>
</div>
</div>
</body>
<%} else{
response.setHeader("refresh", "3;URL=Login.jsp");
}
%>
</html>
第二个页面
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8" import="java.util.Date"%>
<%@ page import="java.sql.*"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<%
request.setCharacterEncoding("UTF-8");
String time=new Date().toLocaleString();
String message=(String)session.getAttribute("username");
request.setCharacterEncoding("UTF-8");
String textfield=new String(request.getParameter("text1"));
Class.forName("com.mysql.jdbc.Driver");
Connection con=DriverManager.getConnection("jdbc:mysql://127.0.0.1:3306/login?useSSL=true", "root" ,"123456");
String tl="insert into liuyan (name,time,content) values ('"+message+"','"+time+"','"+textfield+"')";
Statement stmt=con.createStatement();
int rs=stmt.executeUpdate(tl);
if(rs==1){
out.println("<html>");
out.println("<head><title></title></head>");
out.println("<body>");
out.println("<table width='300' border='0' align='left' cellpadding='0' cellspacing='1'>");
out.println("<tr>");
out.println("<td width='300' align='center'></td>");
out.println("</tr>");
for(int i=1;i<7;i++){
if(i==1){out.print("");}
if(i==2){out.print("<tr><td width='300' align='left' >"+"用户："+message+"</td><tr>");}
if(i==3)
{i=4;out.print("<tr><td width='300' align='left'>"+time+"</td></tr>");}
if(i==5){out.print("<tr><td width='300' align='left' height='50' >"+"留言："+"<textarea style='overflow:scroll' >"+textfield+"</textarea>"+"</td><tr>");}
if(i==6){out.print("<tr><td width='300' height='20' align='left'>"+"<a href='delete1.jsp?id=' style='width:50px;height:20px;background-color:#90ee90;padding:0;border-radius:15px;box-shadow: 1px 1px 1px #888888'>"+"删除"+"</a>"+"</td></tr>");}
out.println("</table>");
out.println("</h1>");
out.println("</body>");
out.println("</html>");
}
}else{ out.println("<html>");
out.println("<head><title>留言</title></head>");
out.println("<body style='text-align:center'>");
out.println("<div style='margin:100px auto' >");
%>
<%
out.println("</div>");
out.println("</body>");
out.println("</html>");
}
stmt.close();
con.close();
%>
</body>
</html>
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