📄 forget_psw.jsp

📁 论坛元程序
💻 JSP
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<%@ page import="java.sql.*,java.util.*"%>
<%@ page contentType="text/html;charset=gb2312"%>
<jsp:useBean id="yy" scope="page" class="yy.jdbc"/>
<body>

  <jsp:include page="imbed/top.jsp"/>
  <table width="100%" height="206" border="0" cellpadding="0" cellspacing="0" >
  <tr>
    <td bordercolor="#B7E6B0">
    <%
   if( request.getParameter("name")!=null)
      session.putValue("UserName",request.getParameter("name"));
    
    if (session.getValue("UserName")==null)
    {%>
    <form name="form" method="post" action="forget_psw.jsp">
    <table width="30%" border="1" align="center" cellpadding="0" cellspacing="0">
         <tr>
          <td bordercolor="#AFDCA9" bgcolor="#82BF59">请输入您的用户名</td>
        </tr>
        <tr> 
          <td height="69" bordercolor="#AFDCA9"> <blockquote> 
              <p><font size="2">用户名：
                <input name="name" type="text" size="15">
                </font></p>
                          </blockquote></td>
        </tr>
        <tr>
          <td height="28" bordercolor="#AFDCA9" align="center">
              <input type="submit" name="Submit" value="提交">
            </td>
        </tr></table>
        </form>      
   <%  }
   else if(request.getParameter("answer")==null)
   {
   ResultSet rs=null;
   String question="";
   String user_name=request.getParameter("name");
  //out.println(user_name); 
 String sql="select question from User where user_name='"+user_name+"'";
   rs=yy.executeQuery(sql);
   if(rs.next())
     question=rs.getString("question");
    %>
    <form name="form2" method="post" action="forget_psw.jsp">
   <table width="30%" border="1" align="center" cellpadding="0" cellspacing="0">
         <tr>
          <td bordercolor="#AFDCA9" bgcolor="#82BF59">忘记密码</td>
        </tr>
        <tr> 
          <td height="69" bordercolor="#AFDCA9"> <blockquote> 
              <p><font size="2">密码提问：<%=question%>              
                </font></p>
                          </blockquote></td>
        </tr>
        <tr> 
          <td height="69" bordercolor="#AFDCA9"> <blockquote> 
              <p><font size="2">密码回答：<input type="text" name="answer" size="15">              
                </font></p>
                          </blockquote></td>
        </tr>
        <tr>
          <td height="28" bordercolor="#AFDCA9" align="center">
              <input type="submit" name="Submit" value="确定">
            </td>
        </tr></table></form> 
   <%} else {
   String password="";
  String answer=request.getParameter("answer");
    String sql1="select user_password from User where answer='"+answer+"'";
   ResultSet rs=yy.executeQuery(sql1);
     if(rs.next())
     password=rs.getString("user_password");
     session.removeValue("UserName");
        %>
        <div align="center">
   您的密码是：<%=password%><br>
   <form name="form3" method="post" action="index.jsp">
    <input type="submit" name="Submit" value="返回">
   </form>
   </div>
   <%}%>
      </td>
  </tr>
</table>
<p>&nbsp;</p>
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