1.2、登陆登录javascript+CSS+Html实现用户注册及登录的注册注册格式验证。在用户登录功能中试加入验证码功能
2.Html制作简单而漂亮的源码源码登录页面
3.HTML试题：操作题：编写一个用户登录的界面，要求排版争取。登陆登录propertylist源码
2、注册注册javascript+CSS+Html实现用户注册及登录的源码源码android仿头条源码格式验证。在用户登录功能中试加入验证码功能
下面是登陆登录关键代码，如果剩下的注册注册你都搞不懂，我就无语了
JS
<script type="text/javascript" language="javascript">
function reloadcodeOne(){ //刷新验证码函数
var verify = document.getElementById('checkCodeImg');
verify.setAttribute('src',源码源码 'validateCode?dt=' + Math.random());
}
<script type="text/javascript" >
html
<p>
<label>验证码：</label>
<input class="code" value="请输入验证码" title="请输入验证码" name="rendCode" id="rendCode" onfocus="if (value =='请输入验证码'){ value =''}" onblur="if (value ==''){ value='请输入验证码'}" type="text" size="6" />
<span><img id="checkCodeImg" src="validateCodeServlet" onclick="javascript:reloadcodeOne();" alt="" width="" height="" /></span>
</p>
java代码
package com.zhihui.action.common;
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import java.util.Random;
import javax.imageio.ImageIO;
import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet..zhihui.action.base.BaseAction;
/
*** <p>
* 校验码控制器
* </p>
*
* @author liurong
* @version ValidateCodeServlet.java,v 0.1 -- 上午:: Administrator
* Exp
*/
public class ValidateCodeAction extends BaseAction {
private static final long serialVersionUID = 1L;
// 验证码的宽度。
private int width = ;
// 验证码的登陆登录高度。
private int height = 5;
// 验证码字符个数
private int codeCount = 5;
private int x = 0;
// 字体高度
private int fontHeight;
private int codeY;
/*char[] codeSequence = { 'A',注册注册 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'J',
'K', 'L', 'M', 'N', 'P', 'R', 'S', 'T', 'U', 'V', 'W',
'X', 'Y', 'Z', '2', '3', '4', '5', '6', '7', '8', '9' };*/
char[] codeSequence = { '1', '2', '3', '4', '5', '6', '7', '8', '9', '0' };
HttpServletRequest req=ServletActionContext.getRequest();
HttpServletResponse resp=ServletActionContext.getResponse();
public String execute()
throws ServletException, java.io.IOException {
// 宽度
String strWidth = "";
// 高度
String strHeight = "";
// 字符个数
String strCodeCount = "5";
width = Integer.parseInt(strWidth);
height = Integer.parseInt(strHeight);
codeCount = Integer.parseInt(strCodeCount);
x = width / (codeCount);
fontHeight = height - 4;
codeY = height - 4;
// 定义图像buffer
BufferedImage buffImg = new BufferedImage(width, height,
BufferedImage.TYPE_INT_RGB);
Graphics2D g = buffImg.createGraphics();
Random random = new Random();
// 将图像填充为白色
g.setColor(Color.WHITE);
g.fillRect(0, 0, width, height);
Font font = new Font("Fixedsys", Font.PLAIN, fontHeight);
g.setFont(font);
g.setColor(Color.BLACK);
g.drawRect(0, 0, width - 1, height - 1);
g.setColor(Color.BLACK);
for (int i = 0; i < ; i++) {
int x = random.nextInt(width);
int y = random.nextInt(height);
int xl = random.nextInt(8);
int yl = random.nextInt(8);
g.drawLine(x, y, x + xl, y + yl);
}
// randomCode用于保存随机产生的验证码，以便用户登录后进行验证。源码源码
StringBuffer randomCode = new StringBuffer();
int red = 0,登陆登录python 实现ping源码 green = 0, blue = 0;
for (int i = 0; i < codeCount; i++) {
String strRand = String.valueOf(codeSequence[random.nextInt(codeSequence.length)]);
red = 0;//random.nextInt();
green = 0;//random.nextInt();
blue = 0;//random.nextInt();
g.setColor(new Color(red, green, blue));
g.drawString(strRand, (i ) * x, codeY);
randomCode.append(strRand);
}
HttpSession session = req.getSession();
session.setAttribute("validateCode", randomCode.toString());
resp.setHeader("Pragma", "no-cache");
resp.setHeader("Cache-Control", "no-cache");
resp.setDateHeader("Expires", 0);
resp.setContentType("image/jpeg");
ServletOutputStream sos = resp.getOutputStream();
ImageIO.write(buffImg, "jpeg", sos);
sos.close();
return null;
}
public int getWidth() {
return width;
}
public void setWidth(int width) {
this.width = width;
}
public int getHeight() {
return height;
}
public void setHeight(int height) {
this.height = height;
}
public int getCodeCount() {
return codeCount;
}
public void setCodeCount(int codeCount) {
this.codeCount = codeCount;
}
public int getX() {
return x;
}
public void setX(int x) {
this.x = x;
}
public int getFontHeight() {
return fontHeight;
}
public void setFontHeight(int fontHeight) {
this.fontHeight = fontHeight;
}
public int getCodeY() {
return codeY;
}
public void setCodeY(int codeY) {
this.codeY = codeY;
}
public char[] getCodeSequence() {
return codeSequence;
}
public void setCodeSequence(char[] codeSequence) {
this.codeSequence = codeSequence;
}
public HttpServletRequest getReq() {
return req;
}
public void setReq(HttpServletRequest req) {
this.req = req;
}
public HttpServletResponse getResp() {
return resp;
}
public void setResp(HttpServletResponse resp) {
this.resp = resp;
}
}
Html制作简单而漂亮的登录页面
本文详细阐述了如何使用Html技术制作一个既简单又美观的登录页面，并提供了实用的注册注册代码示例。
首先，源码源码让我们先睹为快。阿里云 源码管理
以下是Html源码和CSS代码，请复制到您的剪贴板。
总结：
具体代码如下所示：
placeholder="用户名"功能：作为占位符使用。html轮播源码 懒人
以上便是本篇文章的全部内容，希望对您的学习之路有所帮助。
HTML试题：操作题：编写一个用户登录的界面，要求排版争取。
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4. Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>登录界面</title>
</head>
<body>
<form>
用户名：<input id="loginName" value="" type="text"><br>
密 码：<input id="password" value="" type="password"><br>
<input type="submit" id="btnlogin" value="登录"> <input type="reset" id="btnreset" value="取消">
</form>
</body>
</html>
大概就是这样了， 你说的要求排版争取什么意思不明白
