写一个简单的注册页面--增加了用户名和密码校验

喜欢ヅ旅行 2022-02-03 12:41 222阅读 0赞

# 使用html和css写一个简单的注册页面–增加了用户名和密码校验 #

> #### 注册页面代码 ####
> 
> ##### \*增加了用户名和密码校验 #####

<!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>新用户注册</title>
        <style>
            *{
                margin: 0px;
                padding: 0px;
                box-sizing: border-box;
            }
            body{
                background: url("img/register_bg.png") no-repeat center;
            }
            .rg_layout{
                width: 900px;
                height: 500px;
                border: 8px solid #EEEEEE;
                background-color: white;
                margin: auto;
                margin-top: 45px;
            }
            .rg_left{
                float: left;
                margin: 15px;
            }
            .rg_center{
                float: left;
                margin: 15px;
            }
            .rg_right{
                float: right;
                margin: 15px;
            }
            .rg_left>p:first-child{
                color: #FFD026;
                font-size: 20px;
            }
            .rg_left>p:last-child{
                color: #A6A6A6;
                font-size: 15px;
            }
            .rg_right p a{
                color: pink;
            }
            .td_left{
                width: 100px;
                text-align: right;
                height: 45px;
                color: #696969;
            }
            .td_right{
                padding-left: 50px;
            }
            #username,#password,#name,#birthday,#email,#tel,#checkcode{
                width: 250px;
                height: 30px;
                /*设置边框圆角*/
                border-radius: 5px;
                padding-left: 10px;
            }
            #img_check{
                height: 30px;
                vertical-align: bottom;
            }
            #btn_sub{
                width: 150px;
                height: 40px;
                background-color: #FFD026;
                border: 1px solid #FFD026;
                margin: 15px;
            }
        </style>
    </head>
    <body>
        <div class="rg_layout">
            <div class="rg_left">
                <p>新用户注册</p>
                <p>USER REGISTER</p>
            </div>
    
            <div class="rg_center">
                <div class="rg_form">
                    <form action="#" id="form" method="get">
                        <table>
                            <tr>
                                <td class="td_left"><label for="username">用户名</label></td>
                                <td class="td_right"><input type="text" name="username" id="username" placeholder="请输入用户名"><span id="s_username"></span></td>
                            </tr>
    
                            <tr>
                                <td class="td_left"><label for="password">密码</label></td>
                                <td class="td_right"><input type="password" name="password" id="password" placeholder="请输入密码"><span id="s_password"></span></td>
                            </tr>
    
                            <tr>
                                <td class="td_left"><label for="email">Email</label></td>
                                <td class="td_right"><input type="email" name="email" id="email" placeholder="请输入邮箱"></td>
                            </tr>
    
                            <tr>
                                <td class="td_left"><label for="name">姓名</label></td>
                                <td class="td_right"><input type="text" name="name" id="name" placeholder="请输入姓名"></td>
                            </tr>
    
                            <tr>
                                <td class="td_left"><label for="tel">手机号</label></td>
                                <td class="td_right"><input type="text" name="tel" id="tel" placeholder="请输入手机号"></td>
                            </tr>
    
                            <tr>
                                <td class="td_left"><label>性别</label></td>
                                <td class="td_right">
                                    <input type="radio" name="gender" value="male"> 男
                                    <input type="radio" name="gender" value="female"> 女
                                </td>
                            </tr>
    
                            <tr>
                                <td class="td_left"><label for="birthday">出生日期</label></td>
                                <td class="td_right"><input type="date" name="birthday" id="birthday" placeholder="请输入出生日期"></td>
                            </tr>
    
                            <tr>
                                <td class="td_left"><label for="checkcode" >验证码</label></td>
                                <td class="td_right"><input type="text" name="checkcode" id="checkcode" placeholder="请输入验证码">
                                    <img id="img_check" src="img/verify_code.jpg">
                                </td>
                            </tr>
    
    
                            <tr>
                                <td colspan="2" align="center"><input id="btn_sub" type="submit" value="注册"></td>
                            </tr>
                        </table>
                    </form>
                </div>
            </div>
    
            <div class="rg_right">
                <P>已有账号？<a href="#">立即登陆</a></P>
            </div>
    
        </div>
    
    <script>
        //校验用户名格式
        function checkUsername() {
            var username=document.getElementById("username").value;
    
            //定义正则表达式，设置用户名格式为6到12位的字符
            var reg_username=/^\w{6,12}$/;
    
            var flag=reg_username.test(username);
    
            //获取username的span对象
            var s_username=document.getElementById("s_username");
            //判断值是否符合设置的正则表达式格式
            if (flag){
                s_username.innerHTML="<img src='img/gou.png' width='30px'>";
            }else {
                s_username.innerHTML="用户名格式错误";
            }
            return flag;
        }
    
        //校验密码格式
        function checkPassword() {
            var password=document.getElementById("password").value;
    
            //定义正则表达式，设置用户名格式为6到12位的字符
            var reg_password=/^\w{6,12}$/;
    
            var flag=reg_password.test(password);
    
            //获取password的span对象
            var s_password=document.getElementById("s_password");
            //判断值是否符合设置的正则表达式格式
            if (flag){
                s_password.innerHTML="<img src='img/gou.png' width='30px'>";
            }else {
                s_password.innerHTML="密码格式错误";
            }
            return flag;
        }
    
    
        //绑定离焦事件
        document.getElementById("username").onblur=checkUsername;//等号右边要传入对象，所以不能写checkUsername()
        document.getElementById("password").onblur=checkPassword;//等号右边要传入对象，所以不能写checkPassword()
    
        //校验表单提交
        document.getElementById("form").onsubmit=function(){
            return checkUsername()&&checkPassword();
        }
    
    </script>
    </body>
    </html>

> #### 需要的图片 ####

> 背景图片  
> ![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2xpYW5ncnVpbHo_size_16_color_FFFFFF_t_70]

> 验证码图片  
> ![在这里插入图片描述][20190509152644698.jpg]

> 最终效果图  
> ![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2xpYW5ncnVpbHo_size_16_color_FFFFFF_t_70 1]

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2xpYW5ncnVpbHo_size_16_color_FFFFFF_t_70]: /images/20220203/8c6ff3095e884445b94181eba2bf8e58.png
[20190509152644698.jpg]: /images/20220203/9f62a28f11a844d7abe2f055fa212a64.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2xpYW5ncnVpbHo_size_16_color_FFFFFF_t_70 1]: /images/20220203/ec17fc85854f48dbb4e84f8ab768e384.png