<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<!DOCTYPE HTML >
<html>
<head>
<title>登录界面</title>
<!--
<link rel="stylesheet" type="texts" href="styles.css">
-->
<style type="texts">
.contentArea{width:450px;position:absolute;top:80px;left:250px;height:500px;}
<yle>
</head>
<body style="background:url(images/1.jpg)">
<div class="contentArea">
<p style="font-family:黑体；font-size:56；color：yellow"></p>
登录<br/><br/><br/>
<form action="dologin.jsp" name="myform" method="post" >
用户名：<input type="text" name="uname"><br/><br/>
密码：<input type="password" name="upwd"><br/> <br/>
验证码：<img src="number.jsp"/>
<input type="text" name="code"/>
<br/><br/>
<input type="submit" value="登录"><br/><br/><br/><br/>
<a href="register.jsp" >还没账户，进行注册？</a>
</form>
</div>
</body >
<ml>
<%@ page contentType="image/jpeg" language="java" import="java.util.*,java.awt.*,java.awt.image.*,javax.imageio.*" pageEncoding="utf-8"%>
<%
//获取登录的用户名
String name = request.getParameter("uname");
//获取登录密码
String pwd = request.getParameter("upwd");
//判断
if (name.equals("zs") && pwd.equals("123"))//判断字符串是否相等不是等号是eqyals
//转发到ok页面
request.getRequestDispatcher("ok.jsp").forward(request,response);
else
//转发到no页面
request.getRequestDispatcher("login.jsp").forward(request,response);
%>
1 <%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
2
3
4 <!DOCTYPE HTML>
5 <html>
6 <head>
7
8 <title>注册界面</title>
9
10 <!--
11 <link rel="stylesheet" type="texts" href="styles.css">
12 -->
13 <style type="texts">
14 .contentArea{width:450px;position:absolute;top:150px;left:250px;height:500px;}
15 <yle>
16 </head>
17
18 <body style="background:url(images/1.jpg)" >
19 <div class="contentArea">
20 注册个人信息：<br/><br/>
21 <form action="dologin.jsp" name="myform" method="post" >
22 用户名：<input type="text" name="uname"><br/><br/>
23 密码：<input type="password" name="upwd"><br/><br/>
24
25 性别：男孩<input type="radio" name="sex" checked="checked" value="男">
26 女孩<input type="radio" name="sex" value="女" value="女"><br/><br/>
27
28
29 爱好：<br/><br/>
30
31 旱冰<input type="checkbox" name="hobby" value="旱冰">
32 排球<input type="checkbox" name="hobby" value="排球">
33 看书<input type="checkbox" name="hobby" value="看书">
34 听音乐<input type="checkbox" name="hobby" value="听音乐">
35 追剧<input type="checkbox" name="hobby" value="追剧">
36 <br/>
37 <br/>
38
39
40 <select name="xl">
41 <option value="幼儿园">幼儿园</option>
42 <option value="小学">小学</option>
43 <option value="初中">初中</option>
44 <option value="高中">高中</option>
45 <option value="本科">本科</option>
46 <option value="硕士">硕士</option>
47 <option value="博士">博士</option>
48 <lect>
49
50 <br/>
51 <br/>
52 <br/>
53 <br/>
54
55 <input type="reset">
56 <input type="submit" value="注册">
57 </form>
58
59 </div>
60
61 </body>
62 <ml>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
request.setCharacterEncoding("utf-8");//防止乱码
String name = request.getParameter("uname");//获取表单中名为uname的控件的value,返回的类型为字符串，如果要变成数值，需要类型转换
String pwd = request.getParameter("upwd");//此时的关键值要与之前界面的值相对应
String sex = request.getParameter("sex");
String xl = request.getParameter("xl");
String[] hobbys = request.getParameterValues("hobby");//数组的取值，相同value的值为一类
%>
你注册的姓名是：<%=name%><br/>
你注册的密码是：<%=pwd%><br/>
你注册的性别是：<%=sex%><br/>
你注册的学历是：<%=xl%><br/>
你的爱好是：
<%
for (int i = 0; i < hobbys.length; i++)
out.print(hobbys[i] + "   ");
%>
<%@ 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>
<!--
<link rel="stylesheet" type="texts" href="styles.css">
-->
<style type="texts">
.contentArea{width:450px;position:absolute;top:150px;left:250px;height:500px;}
<yle>
</head>
<body style="background:url(images/1.jpg)">
<div class="contentArea">
<h1 style="color: red">登录成功</h1>
</div>
</body>
<ml>
<%@ 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>
<!--
<link rel="stylesheet" type="texts" href="styles.css">
-->
<style type="texts">
.contentArea{width:450px;position:absolute;top:150px;left:250px;height:500px;}
<yle>
</head>
<body style="background:url(images/1.jpg)">
<div class="contentArea">
<h1 style="color: red">登录成功</h1>
</div>
</body>
<ml>
<%@ page contentType="image/jpeg" language="java" import="java.util.*,java.awt.*,java.awt.image.*,javax.imageio.*" pageEncoding="utf-8"%>
<%!
Color getRandColor(int fc,int bc){
Random random = new Random();
if(fc > 255){
fc = 255;
}
if(bc < 255){
bc = 255;
}
int r = fc +random.nextInt(bc-fc);
int g = fc +random.nextInt(bc-fc);
int b = fc +random.nextInt(bc-fc);
return new Color(r,g,b);
}
%>
<%
//设置页面不缓存
response.setHeader("Pragma","no-cache");
response.setHeader("Cache-Control","no-catch");
response.setDateHeader("Expires",0);
//在内存中创建图象
int width = 60;
int height = 20;
BufferedImage image = new BufferedImage(width,height,BufferedImage.TYPE_INT_RGB);
//创建图象
Graphics g = image.getGraphics();
//生成随机对象
Random random = new Random();
//设置背景色
g.setColor(getRandColor(200,250));
g.fillRect(0,0,width,height);
//设置字体
g.setFont(new Font("Tines Nev Roman",Font.PLAIN,18));
//随机产生干扰线
g.setColor(getRandColor(160,200));
for(int i = 0; i < 255; i++){
int x = random.nextInt(width);
int y = random.nextInt(height);
int xl = random.nextInt(12);
int yl = random.nextInt(12);
}
//随机产生认证码,4位数字
String sRand = "";
for(int i = 0; i < 4; i++){
String rand = String.valueOf(random.nextInt(10));
sRand += rand;
//将认证码显示到图象中
g.setColor(new Color(20 + random.nextInt(110),20 + random.nextInt(110),20 + random.nextInt(110)));
g.drawString(rand,13*i+6,16);
}
session.setAttribute("rCode",sRand);
//图像生效
g.dispose();
//输出图像到页面
ImageIO.write(image,"JPEG",response.getOutputStream());
out.clear();
out = pageContext.pushBody();
%>
