关于#解决#的问题,如何解决?



```html
<%@LANGUAGE="VBSCRIPT" CODEPAGE="65001"%>

<%
' *** Validate request to log in to this site.
MM_LoginAction = Request.ServerVariables("URL")
If Request.QueryString <> "" Then MM_LoginAction = MM_LoginAction + "?" + Server.HTMLEncode(Request.QueryString)
MM_valUsername = CStr(Request.Form("name"))
If MM_valUsername <> "" Then
  Dim MM_loginSQL, MM_fldUserAuthorization
  MM_loginSQL = "SELECT username, psw FROM login_user WHERE username = ? AND psw = ?"
  MM_fldUserAuthorization = "" ' 如果需要获取用户权限字段,请设置为对应的字段名

  Dim conn, MM_rsUser_cmd, MM_rsUser,MM_conn2_STRING
  Set conn = Server.CreateObject("ADODB.Connection")
  conn.Open MM_conn2_STRING ' 打开数据库连接字符串

  Set MM_rsUser_cmd = Server.CreateObject("ADODB.Command")
  MM_rsUser_cmd.ActiveConnection = conn

  With MM_rsUser_cmd
    .CommandType = 1 ' adCmdText,命令类型为文本
    .CommandText = MM_loginSQL ' 设置SQL语句
    .Prepared = true ' 预编译SQL语句
    .Parameters.Append .CreateParameter("username", 200, 1, 50, MM_valUsername) ' 添加参数
    .Parameters.Append .CreateParameter("password", 200, 1, 50, Request.Form("psw")) ' 添加参数
  End With

  Set MM_rsUser = MM_rsUser_cmd.Execute

  If Not MM_rsUser.EOF Or Not MM_rsUser.BOF Then
    ' 进行验证码验证
    Dim input_code
    input_code = Request.Form("input_code")
    If LCase(input_code) <> LCase(Session("CheckCode")) Then
      Response.Write("<script>alert('验证码输入错误,请重新输入。')</script>")
    Else
      Session("MM_Username") = MM_valUsername
      If (MM_fldUserAuthorization <> "") Then
        Session("MM_UserAuthorization") = CStr(MM_rsUser.Fields.Item(MM_fldUserAuthorization).Value)
      Else
        Session("MM_UserAuthorization") = ""
      End If
      if CStr(Request.QueryString("accessdenied")) <> "" And True Then
        MM_redirectLoginSuccess = Request.QueryString("accessdenied")
      End If
      MM_rsUser.Close
      Response.Redirect(MM_redirectLoginSuccess)
    End If
  
  ' 否则跳转到登录失败页面
  Else
    MM_rsUser.Close
    Response.Redirect(MM_redirectLoginFailed)
    end if
end if
%>

<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<style type="text/css">
body {
    background-image: url(%E5%9B%BE%E7%89%87/amelia-barklid-CUmCByAhXyQ-unsplash.jpg);
    background-size: cover;
    background-position: center;
}
.indexfont {
    color: #FFF;
    font-size: 24px;
    text-align: center;
    font-weight: bold;
}
.indextablefont {
    color: #000;
    font-weight: bold;
}
</style>
<script type="text/javascript">
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

window.onload = function() {
  draw();
}

// 绘制验证码
function draw() {
  var canvas = document.getElementById("canvas");
  var context = canvas.getContext("2d");
  context.fillStyle = "#fff";
  context.fillRect(0, 0, 120, 40);
  context.font = "bold 30px Arial";
  var aCode = ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "a", "b", "c", "d", "e", "f"];
  var len = aCode.length - 1;
  var code = "";
  for (var i = 0; i < 4; i++) {
    var index = Math.round(Math.random() * len);
    var c = aCode[index];
    code += c;
    context.fillStyle = "#" + (Math.random() * 0xffffff << 0).toString(16); 
    context.fillText(c, i * 25 + 20, 30);
  }
  //将验证码保存到隐藏的input标签和Session中
  document.getElementById("code").value = code;
  <% Session("CheckCode") = "'" & code & "'" %>
}

// 提交表单并验证验证码
function submitForm() {
  var form = document.getElementById("user_login");
  var code = document.getElementById("code").value;
  var input_code= document.getElementById("input_code").value;

if (input_code.toLowerCase() === code.toLowerCase()) { // 判断用户输入的验证码是否正确
form.submit(); // 如果验证码正确,则提交表单
} else {
alert('验证码输入错误,请重新输入');
draw(); // 重新绘制验证码
document.getElementById("input_code").value = ""; // 清空用户输入的验证码
}
}
</script>
</head>

<body>
<table width="60%" border="1" align="center" cellpadding="0" cellspacing="0">
<tr>
<td bgcolor="#0099FF" class="indexfont">::理工教学管理系统学生端登录::</td>
</tr>
<tr>
<td height="160" align="center">
<form ACTION="<%=MM_LoginAction%>" METHOD="POST" id="user_login" name="user_login">
<table width="60%" border="0" align="center">
<tr>
<td width="36%" class="indextablefont">Username:</td>
<td width="64%"><input type="text" name="name" id="name" /></td>
</tr>
<tr>
<td class="indextablefont">Password:</td>
<td><input type="password" name="psw" id="psw" /></td>
</tr>
<tr>
<td class="indextablefont">验证码:</td>
<td>
<canvas id="canvas" width="120" height="40"></canvas>
<input type="hidden" name="code" id="code">
<input type="text" name="input_code" id="input_code">
<input type="button" value="看不清,换一张" onclick="draw()">
</td>
</tr>
<tr>

<tr>
<td> </td>
<td><input type="button" value="登录" onclick="submitForm()" />
<input name="button2" type="button" id="button2" onClick="MM_openBrWindow('index_student_zhuce.asp','','')" value="注册" /></td>
</tr>
</table>
<input type="checkbox" name="checkbox" id="checkbox" />
已阅读接受
</form>
</td>
</tr>
<tr>
<td bgcolor="#00CCFF" class="indexfont">::48号版权所有::</td>
</tr>
<tr>
<td bgcolor="#0099FF" class="indexfont"><%= Request.QueryString("err") %></td>
</tr>
</table>
</body>
</html>


img


出现了该问题如何解决?

JSP啊,,,算了,