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刚学jsp,期待大神们的到来!解决思路

热度:89   发布时间:2016-04-17 11:05:32.0
刚学jsp,期待大神们的到来!!!
DengRuServer.java

Java code
package DengRuServer;import java.io.*;import java.sql.*;import java.sql.Date;import java.text.*;import java.util.*;import javax.servlet.*;import javax.servlet.http.*;public class DengRuServer extends HttpServlet {    String user,neirong,yanzhengma;    public void doGet(HttpServletRequest request, HttpServletResponse response)    throws ServletException, IOException {        Connection  conn=null;        response.setCharacterEncoding("utf-8");        response.setContentType("text/html;charset=utf-8");        PrintWriter out = response.getWriter();        user=request.getParameter("user");        //通过ID获取前台的昵称        neirong=request.getParameter("neirong");              yanzhengma=request.getParameter("yanzhengma");        System.out.println("用户名:"+user+"内容:"+neirong);        HttpSession session=request.getSession();        //String code1=(String)session.getAttribute("code");        //if(yanzhengma.equals(code1))                //验证码正确执行                    SimpleDateFormat matter=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");                        String date=matter.format(new Date(1000));            System.out.println("读取时间"+date);            String sql="insert into shiyichanglang values('"+neirong+"','"+date+"','"+user+"')";            try {                conn=DriverManager.getConnection("jdbc:mysql://localhost:3306/sss","root","hin19920309");                System.out.println("连接数据库成功");                Statement  sta=conn.createStatement();                int rs=sta.executeUpdate(sql);                System.out.println("数据插入成功");            } catch (SQLException e) {                e.printStackTrace();            }            String returnValues="<div><input name=user type=text>";            returnValues=returnValues+neirong;            returnValues=returnValues+"</input></div>";            out.write(returnValues);            System.out.println("数据插入成功");            /*}else{                             //验证码错误执行            String returnValues="alert('验证码错误!')";            response.getWriter().write(returnValues);        }            out.flush();            out.close();*/        }    public void doPost(HttpServletRequest request, HttpServletResponse response)    throws ServletException, IOException {        this.doGet(request, response);    }}


shiyichanglang.jsp

VBScript code
<%@page contentType="text/html" pageEncoding="UTF-8"%><!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" /><link href="css\Style_135.css" rel="stylesheet" type="text/css" /><title>完全训练--诗意长廊</title><style>#gn{width:100%;height:30px;float:right;clear: both;text-align:right;padding-right:8px;padding-top:5px;background-color: #FFFFFF;filter:alpha(opacity=35);color:#000000;}#gn table { text-align:right;}#gn td { color:#000000;}#gn a{color:#000000;}</style></head><body topmargin=0 leftmargin=0><div id="menu" class='d'><TABLE><TR><TD><ul><li ><a href="shiyichanglang\01.html" target=list >欣赏作品一</a></li><li  ><a href="03.html" target=list>欣赏作品二</a></li><li  ><a href="05.html" target=list>欣赏作品三</a></li><li  ><a href="06.html" target=list>欣赏作品四</a></li></ul></TD></TR></TABLE></div><TABLE><TR><TD><iframe frameBorder=0 marginHeight=0 marginWidth=0 scrolling=auto src=shiyichanglang\01.html width=800 height=550 name=list></iframe> </td>  </tr></table><br><table width="100%" border="0" cellspacing="10" cellpadding="0">  <tr>    <td width="20%" height="234">&nbsp;</td>    <td width="62%" align="left" valign="top"><form name="form1">          <table width="100%" border="0" cellspacing="10" cellpadding="0">        <tr>          <td width="8%">昵称:</td>          <td colspan="2"><input name="user" type="text" id="user" size="30" maxlength="32"></td>          <td width="37%">&nbsp;</td>          <td width="15%">&nbsp;</td>        </tr>        <tr>          <td height="53">密码:</td>          <td colspan="2"><input name="password" type="password" id="password" size="30" maxlength="32"></td>          <td>路人评论可不用密码 </td>          <td>&nbsp;</td>        </tr>        <tr>          <td height="38">验证码:</td>          <td width="12%"><input name="yanzhengma" type="text" id="yanzhengma" size="10" maxlength="4"></td>          <td width="28%"><img border=0 src="image.jsp"></td>          <td>&nbsp;</td>          <td>&nbsp;</td>        </tr>        <tr>          <td valign="top">内容:</td>          <td colspan="3"><textarea name="neirong" id="neirong" cols="50" rows="10"></textarea></td>          <td>&nbsp;</td>        </tr>        <tr>          <td height="26">&nbsp;</td>          <td><input type="button" name="tijiao" id="tijiao" value="发表留言" onClick=createXMLHttpRequest()></td>          <td><input type="button" name="quxiao" id="quxiao" value="取消"></td>          <td>&nbsp;</td>          <td>&nbsp;</td>        </tr>      </table>    </form></td>    <td width="18%">&nbsp;</td>  </tr></table><div id="pinglun"></div></body><script charSet="utf-8">    var httprequest;    function createXMLHttpRequest() {        alert("成功访问函数createXMLHttpRequest()");        if (window.XMLHttpRequest) {            httprequest = new XMLHttpRequest();        } else if (window.ActiveXObject) {            httprequest = new ActiveXObject("Microsoft.XMLHTTP");        }        url="dengruserver.do";        httprequest.open('GET', url, true);        httprequest.onreadystatechange = OnStatusChange;        httprequest.send();    }    function OnStatusChange()      {        if (httprequest.readyState == 4) // 完全接受        {            if (httprequest.status == 200) // 服务器已经成功响应            {                   alert("访问服务器成功");                document.getElementById('pinglun').innerHTML = httprequest.responseText;            } else // 访问出错            {                alert(httprequest.responseText);                alert("访问出错");            }        }    }</script></html>
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