jq form表单预验证

最新推荐文章于 2022-12-07 08:30:00 发布

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最新推荐文章于 2022-12-07 08:30:00 发布

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本文链接：https://blog.youkuaiyun.com/qq_48228724/article/details/116641364

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jq form表单

<div class="divAll">
        <div id="contents">
            <h3 class="title">注册象讯账号</h3>
            <form action="#" onSubmit="return checkForm()">
                <div id="form-itemGroup">
                    <label for="userName">用户名：</label>
                    <input type="text" id="userName" class="userName" onBlur="checkUserName()" oninput="checkUserName()">
                    <span class="default" id="nameErr">请输入至少3位的用户名</span>
                </div>
                <div id="form-itemGroup">
                    <label for="userPasword">密码：</label>
                    <input type="password" id="userPasword" class="userName" onBlur="checkPassword()" oninput="checkPassword()">
                    <span class="default" id="passwordErr">请输入8到32位的密码</span>
                </div>
                <div id="form-itemGroup">
                    <label for="userConfirmPasword">确认密码：</label>
                    <input type="password" id="userConfirmPasword" class="userName" onBlur="ConfirmPassword()" oninput="ConfirmPassword()">
                    <span class="default" id="conPasswordErr">请再输入一遍密码</span>
                </div>
                <div id="form-itemGroup">
                    <label for="userPhone">手机号码：</label>
                    <input type="text" id="userPhone" class="userName" onBlur="checkPhone()" oninput="checkPhone()">
                    <span class="default" id="phoneErr">请输入11位手机号码</span>
                </div>
                <div>
                    <button type="submit" class="divBtn">注册</button>
                </div>
                <div class="login">已有账号 <a href={{url("/login")}} style='color:#ff003b;'>立即登录</a></div>
            </form>
        </div>
    </div>

<script>
        function checkForm(){
            var nametip = checkUserName();
            var passtip = checkPassword();
            var conpasstip = ConfirmPassword();
            var phonetip = checkPhone();
            return nametip && passtip && conpasstip && phonetip;
        }
        //验证用户名
        function checkUserName(){
            var username = document.getElementById('userName');
            var errname = document.getElementById('nameErr');
            var pattern = /^\w{3,}$/;  //用户名格式正则表达式：用户名要至少三位
            if(username.value.length == 0){
                errname.innerHTML="用户名不能为空"
                errname.className="error"
                return false;
            }
            if(!pattern.test(username.value)){
                errname.innerHTML="用户名不合规范"
                errname.className="error"
                return false;
            }
            else{
                errname.innerHTML="OK"
                errname.className="success";
                return true;
            }
        }
        //验证密码
        function checkPassword(){
            var userpasswd = document.getElementById('userPasword');
            var errPasswd = document.getElementById('passwordErr');
            var pattern =/^(?![A-Z]+$)(?![a-z]+$)(?!\d+$)\S{8,32}$/;
            if(!pattern.test(userpasswd.value)){
                errPasswd.innerHTML="密码不合规范"
                errPasswd.className="error"
                return false;
            }
            else{
                errPasswd.innerHTML="OK"
                errPasswd.className="success";
                return true;
            }
        }
        //确认密码
        function ConfirmPassword(){
            var userpasswd = document.getElementById('userPasword');
            var userConPassword = document.getElementById('userConfirmPasword');
            var errConPasswd = document.getElementById('conPasswordErr');
            if((userpasswd.value)!=(userConPassword.value) || userConPassword.value.length == 0){
                errConPasswd.innerHTML="上下密码不一致"
                errConPasswd.className="error"
                return false;
            }
            else{
                errConPasswd.innerHTML="OK"
                errConPasswd.className="success";
                return true;
            }
        }
        //验证手机号
        function checkPhone(){
            var userphone = document.getElementById('userPhone');
            var phonrErr = document.getElementById('phoneErr');
            var pattern = /^1[34578]\d{9}$/; //验证手机号正则表达式
            if(!pattern.test(userphone.value)){
                phonrErr.innerHTML="手机号码不合规范"
                phonrErr.className="error"
                return false;
            }
            else{
                phonrErr.innerHTML="OK"
                phonrErr.className="success";
                return true;
            }
        }
    </script>