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分享关于JSP网页的登录界面 我的验证码只有图 没有验证 大神求指导。。。
下面是我的注册页面的代码 JSP 但是输入验证码的正确与否并没有影响到我的网页的登录 验证图片出来了 = = 大神求指导
谢谢~
<%@ page language="java" import="java.util.*,Mod.*,Dal.*" 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>
<title>My JSP 'top.jsp' starting page</title>
<link href="css/master.css" rel="stylesheet" type="text/css" />
<link href="css/main.css" rel="stylesheet" type="text/css" />
<base href="<%=basePath%>">
</head>
<%
String incode = (String)request.getParameter("code");
String rightcode = (String)session.getAttribute("rCode");
if(incode != null && rightcode != null){
if(incode.equals(rightcode)){
out.println("验证码输入正确！");
}else{
out.println("验证码输入不正确，请重新输入！");
}
}
%>
<body>
<div class="lefttop"><b>会员中心</b></div>
<%if(session.getAttribute("client")==null){ %>
<form method="post" name="myform" action="Ref/reg.jsp?param=login" onsubmit="return sub()">
<table cellpadding="0" cellspacing="0" id="logintable">
<tr>
<td class="login_left">账号：</td>
<td class="login_right"><input id="Text1" name="login" type="text" /></td>
</tr>
<tr>
<td class="login_left">密码：</td>
<td class="login_right"><input id="Text2" name="pass" type="password" /></td>
</tr>
<tr>
<td class="login_left">验证码： </td>
<td class="login_right"> <img src="number.jsp"/> <input type="text" name="code"/> </td>
</tr>
<tr>
<td class="login_center" colspan="2"><a href="reg.jsp">免费注册？</a></td>
</tr>
<tr>
<td class="login_center" colspan="2">
<input id="Button1" type="submit" value="登陆" />
</td>
</tr>
</table>
</form>
<%}else{
Client left_c=(Client)session.getAttribute("client");
left_c=new ClientServer().GetByID(left_c.getId());
%>
<table cellpadding="0" cellspacing="0" id="logintable">
<tr>
<td class="login_left">登陆名：</td>
<td class="login_right"><%=left_c.getLogin() %><a href="Ref/reg.jsp?param=exit" style="color:#6AA5C7">【退出】</a></td>
</tr>
<tr>
<td class="login_left">姓名：</td>
<td class="login_right"><%=left_c.getName() %></td>
</tr>
<tr>
<td class="login_left">余额：</td>
<td class="login_right"><%=left_c.getMoney() %>元</td>
</tr>
<tr>
<td class="login_center" colspan="2"><a href="myding.jsp">我的申请</a><a href="chong.jsp" style="color:red">在线充值</a></td>
</tr>
<tr>
<td class="login_center" colspan="2"><a href="addcar.jsp">发布车辆</a><a href="mycar.jsp">我的车辆</a></td>
</tr>
<tr>
<td class="login_center" colspan="2"><a href="edit.jsp">修改资料</a><a href="pwd.jsp">修改密码</a></td>
</tr>
</table>
<%} %>
<div class="lefttop"><b>车型种类</b></div>
<div class="leftul">
<ul>
<%
List<CarType> left_type=new CarTypeServer().GetAll();
request.setAttribute("left_type", left_type);
%>
<c:forEach items="${ left_type }" var="t">
<li><a href="car.jsp?type=${t.id }">${t.type }</a></li>
</c:forEach>
</ul>
</div>
</body>
</html>
谢谢~
<%@ page language="java" import="java.util.*,Mod.*,Dal.*" 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>
<title>My JSP 'top.jsp' starting page</title>
<link href="css/master.css" rel="stylesheet" type="text/css" />
<link href="css/main.css" rel="stylesheet" type="text/css" />
<base href="<%=basePath%>">
</head>
<%
String incode = (String)request.getParameter("code");
String rightcode = (String)session.getAttribute("rCode");
if(incode != null && rightcode != null){
if(incode.equals(rightcode)){
out.println("验证码输入正确！");
}else{
out.println("验证码输入不正确，请重新输入！");
}
}
%>
<body>
<div class="lefttop"><b>会员中心</b></div>
<%if(session.getAttribute("client")==null){ %>
<form method="post" name="myform" action="Ref/reg.jsp?param=login" onsubmit="return sub()">
<table cellpadding="0" cellspacing="0" id="logintable">
<tr>
<td class="login_left">账号：</td>
<td class="login_right"><input id="Text1" name="login" type="text" /></td>
</tr>
<tr>
<td class="login_left">密码：</td>
<td class="login_right"><input id="Text2" name="pass" type="password" /></td>
</tr>
<tr>
<td class="login_left">验证码： </td>
<td class="login_right"> <img src="number.jsp"/> <input type="text" name="code"/> </td>
</tr>
<tr>
<td class="login_center" colspan="2"><a href="reg.jsp">免费注册？</a></td>
</tr>
<tr>
<td class="login_center" colspan="2">
<input id="Button1" type="submit" value="登陆" />
</td>
</tr>
</table>
</form>
<%}else{
Client left_c=(Client)session.getAttribute("client");
left_c=new ClientServer().GetByID(left_c.getId());
%>
<table cellpadding="0" cellspacing="0" id="logintable">
<tr>
<td class="login_left">登陆名：</td>
<td class="login_right"><%=left_c.getLogin() %><a href="Ref/reg.jsp?param=exit" style="color:#6AA5C7">【退出】</a></td>
</tr>
<tr>
<td class="login_left">姓名：</td>
<td class="login_right"><%=left_c.getName() %></td>
</tr>
<tr>
<td class="login_left">余额：</td>
<td class="login_right"><%=left_c.getMoney() %>元</td>
</tr>
<tr>
<td class="login_center" colspan="2"><a href="myding.jsp">我的申请</a><a href="chong.jsp" style="color:red">在线充值</a></td>
</tr>
<tr>
<td class="login_center" colspan="2"><a href="addcar.jsp">发布车辆</a><a href="mycar.jsp">我的车辆</a></td>
</tr>
<tr>
<td class="login_center" colspan="2"><a href="edit.jsp">修改资料</a><a href="pwd.jsp">修改密码</a></td>
</tr>
</table>
<%} %>
<div class="lefttop"><b>车型种类</b></div>
<div class="leftul">
<ul>
<%
List<CarType> left_type=new CarTypeServer().GetAll();
request.setAttribute("left_type", left_type);
%>
<c:forEach items="${ left_type }" var="t">
<li><a href="car.jsp?type=${t.id }">${t.type }</a></li>
</c:forEach>
</ul>
</div>
</body>
</html>
...全文
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Joker49 2016-03-29
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我发现上面form action 是调用这里的判断 我把那个判别放到了这里面的 else if里面 但验证码还是没有限制。。你看看这个。。
<%@ page language="java" import="java.util.*,Mod.*,Dal.*" pageEncoding="utf-8"%>
<%@ page import="java.text.*"%>
<%
request.setCharacterEncoding("UTF-8");
String param=request.getParameter("param");
String incode = (String)request.getParameter("code");
String rightcode = (String)session.getAttribute("rCode");
if(param.equals("reg"))
{
String name=request.getParameter("name");
String sex=request.getParameter("sex");
String age=request.getParameter("age");
String tel=request.getParameter("tel");
String address=request.getParameter("address");
String mail=request.getParameter("mail");
String xueli=request.getParameter("xueli");
String login=request.getParameter("login");
String pass=request.getParameter("pwd1");
//out.print(String.format("姓名：%s,性别:%s,年龄：%s,电话:%s,地址:%s,邮箱:%s,专业：%s,学历：%s,登陆名:%s,密码：%s",name,sex,age,tel,address,mail,zhuanye,xueli,login,pass));
//return;
if(new ClientServer().Login(login)!=null)
{
out.print("<script>alert('该用户名已存在');location.replace('../reg.jsp');</script>");
return;
}
Client vip=new Client();
vip.setName(name);
vip.setSex(sex);
vip.setAge(Integer.parseInt(age));
vip.setTel(tel);
vip.setAddress(address);
vip.setMail(mail);
vip.setXueLi(xueli);
vip.setLogin(login);
vip.setPass(pass);
int count=new ClientServer().Add(vip);
if(count==0)
out.print("<script>alert('操作失败');location.replace('../reg.jsp');</script>");
else
out.print("<script>alert('注册成功');location.replace('../index.jsp');</script>");
}
else if(param.equals("login"))
{
String login=request.getParameter("login");
String pass=request.getParameter("pass");
Client v=new ClientServer().Login(login);
if(v==null)
{
out.print("<script>alert('该用户名不存在');location.replace('../index.jsp');</script>");
return;
}
if(!v.getPass().equals(pass))
{
out.print("<script>alert('密码错误');location.replace('../index.jsp');</script>");
return;
}
session.setAttribute("client",v);
out.print("<script>location.replace('../index.jsp');</script>");
return;
}
else if(incode != null && rightcode != null)
{
if(incode.equals(rightcode)){
out.println("验证码输入正确！");
}else{
out.println("验证码输入不正确，请重新输入！");
}
}
else if(param.equals("edit"))
{
Client v=(Client)session.getAttribute("client");
String name=request.getParameter("name");
String sex=request.getParameter("sex");
String age=request.getParameter("age");
String tel=request.getParameter("tel");
String address=request.getParameter("address");
String mail=request.getParameter("mail");
String xueli=request.getParameter("xueli");
//out.print(String.format("姓名：%s,登陆名:%s,密码：%s,性别:%s,年龄:%s,爱好:%s,说说：%s,身高：%s,已婚状态:%s,学历：%s",name,login,pass,sex,age,hobby,shuoshuo,height,hun,xueli));
//return;
v.setName(name);
v.setSex(sex);
v.setAge(Integer.parseInt(age));
v.setTel(tel);
v.setAddress(address);
v.setMail(mail);
v.setXueLi(xueli);
v.setId(v.getId());
int count=new ClientServer().Edit(v);
if(count==0)
out.print("<script>alert('修改失败');location.replace('../edit.jsp');</script>");
else
{
session.removeAttribute("client");
session.setAttribute("client",v);
out.print("<script>alert('修改成功');location.replace('../edit.jsp');</script>");
}
}
else if(param.equals("pwd"))
{
Client v=(Client)session.getAttribute("client");
String pass=request.getParameter("pwd1");
int count=new ClientServer().EditPass(v.getId(),pass);
if(count==0)
out.print("<script>alert('修改失败');location.replace('../editpass.jsp');</script>");
else
out.print("<script>alert('修改成功');location.replace('../editpass.jsp');</script>");
}
else if(param.equals("exit"))
{
if(session.getAttribute("client")!=null)
session.removeAttribute("client");
out.print("<script>location.replace('../index.jsp');</script>");
}
%>
Joker49 2016-03-29
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我试了 可能是我没写好 不可以啊 = =
Joker49 2016-03-29
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我试试看 我是小白 = = 不是很会 谢谢
qq_25170731 2016-03-29
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验证码图片应该有个对应的校验码，用户点击登录按钮的时候获得用户输入的验证码，然后把两者做比较，如果一致就提交表单,
你先把type="submit"去掉，写个js函数做校验就行了
Joker49 2016-03-29
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现在就是这个样子。。。但是验证码正确与否没有用。。应该怎么改啊 = =
