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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