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  • 利用ajax,js以及正则表达式来验证表单递交

    <!DOCTYPE html>
    <html lang="en">
    <head>
    <meta charset="utf-8">
    <title>注册</title>
    <link rel="stylesheet" type="text/css" href="css/common.css">
    <link rel="stylesheet" href="css/register.css">
    <!--导入jquery-->
    <script src="js/jquery-3.3.1.js"></script>
    <script>
    //校验用户名
    function checkUserName() {
    //1、获取控件username的值
    var username = $("#username").val();
    //2、定义正则表达式
    var reg_username=/^w{8,20}$/;
    //3、判断
    var flag = reg_username.test(username);
    if(flag){
    $("#username").css("border","");
    }else{
    $("#username").css("border","solid 1px red");
    }
    return flag;
    }

    //校验密码
    function checkPassword() {
    //1、获取password控件的输入值
    var password = $("#password").val();
    //2、定义正则表达式
    var reg_password = /^w{8,20}$/;
    //3、判断
    var flag = reg_password.test(password);
    if(flag){
    $("#password").css("border","solid 1px green");
    }else{
    $("#password").css("border","solid 2px red");
    }
    return flag;
    }

    //校验邮箱
    function checkEmail() {
    //1、获取email中的值
    var email = $("#email").val();
    //2、定义正则表达式
    var reg_email = /^w+@w+.w+$/;
    //3、判断
    var flag = reg_email.test(email);
    if(flag){
    $("#email").css("border","solid 1px green");
    }else{
    $("#email").css("border","solid 2px red");
    }
    return flag;
    }

    //校验姓名
    function checkname() {
    //1、获取name的值
    var name = $("#name").val();
    //2、定义正则表达式
    var reg_name = /^w{3,20}$/;
    var flag = reg_name.test(name);
    //3、判断
    if(flag){
    $("#name_msg").css("border","solid 1px green");
    }else{
    $("#name_msg").css("border","solid 1px red");
    }
    return flag;
    }

    function checktelephone() {
    //1、获取telephone的值
    var telephone = $("#telephone").val();
    //2、定义正则表达式
    var reg_telphone =/^1[34589][0-9]{9}$/;
    //3、判断
    var flag = reg_telphone.test(telephone);
    if(flag){
    $("#telephone").css("border","solid 1px green");
    }else{
    $("#telephone").css("border","solid 1px red");
    }
    return flag;
    }

    $(function () {
    //当表单提交的时候,调用所有的验证方法
    $("#registerForm").submit(function () {
    //发送数据到服务器
    if(checkUserName() && checkPassword() && checkEmail() && checkname() && checktelephone()){
    $.post("registUserServlet",$(this).serialize(),function(data){
    });
    }
    return false;
    });


    //失去焦点时,调用方法
    $("#username").blur(checkUserName);
    $("#password").blur(checkPassword);
    $("#email").blur(checkEmail);
    $("#name").blur(checkname);
    $("#telephone").blur(checktelephone);
    });
    </script>
    </head>
    <body>
    <!--引入头部-->
    <div id="header"></div>
    <!-- 头部 end -->
    <div class="rg_layout">
    <div class="rg_form clearfix">
    <div class="rg_form_left">
    <p>新用户注册</p>
    <p>USER REGISTER</p>
    </div>
    <div class="rg_form_center">

    <!--注册表单-->
    <form id="registerForm" action="user">
    <!--提交处理请求的标识符-->
    <input type="hidden" name="action" value="register">
    <table style="margin-top: 25px;">
    <tr>
    <td class="td_left">
    <label for="username">用户名</label>
    </td>
    <td class="td_right">
    <input type="text" id="username" name="username" placeholder="请输入账号">
    </td>
    </tr>
    <tr>
    <td class="td_left">
    <label for="password">密码</label>
    </td>
    <td class="td_right">
    <input type="text" id="password" name="password" placeholder="请输入密码">
    </td>
    </tr>
    <tr>
    <td class="td_left">
    <label for="email">Email</label>
    </td>
    <td class="td_right">
    <input type="text" id="email" name="email" placeholder="请输入Email">
    </td>
    </tr>
    <tr>
    <td class="td_left">
    <label for="name">姓名</label>
    </td>
    <td class="td_right">
    <input type="text" id="name" name="name" placeholder="请输入真实姓名">
    </td>
    </tr>
    <tr>
    <td class="td_left">
    <label for="telephone">手机号</label>
    </td>
    <td class="td_right">
    <input type="text" id="telephone" name="telephone" placeholder="请输入您的手机号">
    </td>
    </tr>
    <tr>
    <td class="td_left">
    <label for="sex">性别</label>
    </td>
    <td class="td_right gender">
    <input type="radio" id="sex" name="sex" value="男" checked> 男
    <input type="radio" name="sex" value="女"> 女
    </td>
    </tr>
    <tr>
    <td class="td_left">
    <label for="birthday">出生日期</label>
    </td>
    <td class="td_right">
    <input type="date" id="birthday" name="birthday" placeholder="年/月/日">
    </td>
    </tr>
    <tr>
    <td class="td_left">
    <label for="check">验证码</label>
    </td>
    <td class="td_right check">
    <input type="text" id="check" name="check" class="check">
    <img src="checkCode" height="32px" alt="" onclick="changeCheckCode(this)" >
    <script type="text/javascript">
    //图片点击事件
    function changeCheckCode(img) { img.
    src="checkCode?"+new Date().getTime();
    }
    </script>
    </td>
    </tr>
    <tr>
    <td class="td_left">
    </td>
    <td class="td_right check">
    <input type="submit" class="submit" value="注册">
    <span id="msg" style="color: red;"></span>
    </td>
    </tr>
    </table>
    </form>
    </div>
    <div class="rg_form_right">
    <p>
    已有账号?
    <a href="#">立即登录</a>
    </p>
    </div>
    </div>
    </div>
    <!--引入尾部-->
    <div id="footer"></div>
    <!--导入布局js,共享header和footer-->
    <script type="text/javascript" src="js/include.js"></script>

    </body>
    </html>
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  • 原文地址:https://www.cnblogs.com/newcityboy/p/11588378.html
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