<div class="login-box">
    <div class="login-logo" style="color: #1baeae;">
        <img th:src="@{/mall/image/new-bee-logo-3.png}" style="    height: 58px;float: left;margin-left: 10px;">
        <h1>管理系统登陆</h1>
    </div>
    <!-- /.login-logo -->
    <div class="card">
        <div class="card-body login-card-body">
            <p class="login-box-msg"> NewBee MALL , Let's Go !</p>
            <form th:action="@{/admin/login}" method="post">
                <div th:if="${not #strings.isEmpty(session.errorMsg)}" class="form-group">
                    <div class="alert alert-danger" th:text="${session.errorMsg}"></div>
                </div>
                <div class="form-group has-feedback">
                    <span class="fa fa-user form-control-feedback"></span>
                    <input type="text" id="userName" name="userName" class="form-control" placeholder="请输入账号"
                           required="true">
                </div>
                <div class="form-group has-feedback">
                    <span class="fa fa-lock form-control-feedback"></span>
                    <input type="password" id="password" name="password" class="form-control" placeholder="请输入密码"
                           required="true">
                </div>
                <div class="row">
                    <div class="col-6">
                        <input type="text" class="form-control" name="verifyCode" placeholder="请输入验证码" required="true">
                    </div>
                    <div class="col-6">
                        <img alt="单击图片刷新！" class="pointer" th:src="@{/common/kaptcha}"
                             onclick="this.src='/common/kaptcha?d='+new Date()*1">
                    </div>
                </div>
                <div class="form-group has-feedback"></div>
                <div class="row">
                    <div class="col-8">
                    </div>
                    <div class="col-4">
                        <button type="submit" class="btn btn-primary btn-block btn-flat">登录
                        </button>
                    </div>
                </div>
            </form>

        </div>
        <!-- /.login-card-body -->
    </div>

```java
在这里插入代码片