• JSP第四次作业 二


    <%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
    <%
    String path = request.getContextPath();
    String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
    %>
    
    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
    <HTML>
    <HEAD>
     <base href="<%=basePath%>">
    <META http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <TITLE>登录验证</TITLE>
    <STYLE type="text/css">
    td{font-size:12px}
    </STYLE>
    <SCRIPT type="text/javascript">
    function checkLogin(){
        var userName=document.myform.userid.value;
        var userPass=document.myform.passwd.value;
        var vegName=/^[a-zA-Z0-9]+$/;
        if(!vegName.test(userName)){
            alert("用户名错误,请重新输入");
            document.myform.userid.focus();
            return false;
        }
        var regPwd=/^w{6,}$/; 
        if(!regPwd.test(userPass)){
            alert("密码输入错误,请重新输入");
            document.myform.passwd.select();
            return false;
        }
        return true;
    }
    
    </SCRIPT>
    </HEAD>
    
    <BODY>
    <FORM NAME="myform" METHOD="POST" action="" onSubmit="return checkLogin()">
    <TABLE align="center">
    <TR>
    <TD>
    <IMG src="images/Snap1.jpg"><DIV style="position:absolute; left: 490px; top: 216px;  356px;">
      <TABLE width="100%" height="100%" border=0 cellPadding=0 cellSpacing=0>
                       <TBODY>
                            <TR vAlign=top> 
                              <TD width="23%" 
                          height=27 align=right class=bld>用户名:&nbsp;</TD>
                              <TD class=bld align=right height=27>密码:&nbsp;</TD>
                              <TD height="27" align=left><INPUT TYPE="password" SIZE="20" NAME="passwd"><BR>密码由字母、数字和下划线组成,至少6位</TD>
                         </TR>
                            <TR vAlign=top> 
                              <TD class=bld align=right height=40>&nbsp;</TD>
                                <TD  align=left valign="middle"><A href="#"><INPUT name="submit" type="image" src="images/login.gif" width="101" height="22" border="0" ></A> </TD>
                            </TR>
              </TABLE></DIV>
    </TD>
    </TR>
    </TABLE>
    </FORM>
    </BODY>
    </HTML>
    <%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
    <%
    String path = request.getContextPath();
    String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
    %>
    
    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
    <html>
      <head>
        <base href="<%=basePath%>">
        
        <title>My JSP 'index.jsp' starting page</title>
        <meta http-equiv="pragma" content="no-cache">
        <meta http-equiv="cache-control" content="no-cache">
        <meta http-equiv="expires" content="0">    
        <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
        <meta http-equiv="description" content="This is my page">
        <!--
        <link rel="stylesheet" type="text/css" href="styles.css">
        -->
      </head>
      
      <body>
      <%
      request.setCharacterEncoding("utf-8");
     String id= request.getParameter("userid");
     String pwd= request.getParameter("passwd");
      if(id.equals("lucky")&&pwd.equals("123456")){
      response.sendRedirect("mailLogin1.jsp");
      }else{
      response.sendRedirect("mailLogin2.jsp");
      }
      
       %>
     <br>
      </body>
    </html>
    <%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
    <%
    String path = request.getContextPath();
    String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
    %>
    
    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
    <html>
      <head>
        <base href="<%=basePath%>">
        
        <title>My JSP 'index.jsp' starting page</title>
        <meta http-equiv="pragma" content="no-cache">
        <meta http-equiv="cache-control" content="no-cache">
        <meta http-equiv="expires" content="0">    
        <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
        <meta http-equiv="description" content="This is my page">
        <!--
        <link rel="stylesheet" type="text/css" href="styles.css">
        -->
      </head>
      
      <body>
     你好:lucky
     <br>
      </body>
    </html>
    <%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
    <%
    String path = request.getContextPath();
    String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
    %>
    
    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
    <html>
      <head>
        <base href="<%=basePath%>">
        
        <title>My JSP 'index.jsp' starting page</title>
        <meta http-equiv="pragma" content="no-cache">
        <meta http-equiv="cache-control" content="no-cache">
        <meta http-equiv="expires" content="0">    
        <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
        <meta http-equiv="description" content="This is my page">
        <!--
        <link rel="stylesheet" type="text/css" href="styles.css">
        -->
      </head>
      
      <body>
      登录失败
     <br>
     <a href="mailLogin.jsp">
     <input type="button" value="重新登录">
     </a>
    
     <br>
      </body>
    </html>
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  • 原文地址:https://www.cnblogs.com/shenxiaoqi/p/12607724.html
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