显示 Identity 中的注册用户

ListUsers 视图：

@model IEnumerable<ApplicationUser>
@{
    ViewBag.Title = "用户列表";
}
<h1>所有用户</h1>
@if (Model.Any())
{
    <a asp-action="Register" asp-controller="Account" class="btn btn-primary mb-3" style="width:auto">创建用户</a>
    foreach (var user in Model)
    {
        <div class=" card mb-3">
            <div class="card-header">用户 Id：@user.Id</div>
            <div class="card-body">
                <h5 class="card-title">@user.UserName</h5>
            </div>
            <div class="card-footer">
                <button type="submit" class="btn btn-danger">删除</button>
            </div>
        </div>
    }
}
else
{
    <div class="card">
        <div class="card-header">
            尚未创建用户
        </div>
        <div class="card-body">
            <h5>点击下方按钮创建用户</h5>
            <a asp-action="Register" asp-controller="Account" class="btn btn-primary">创建用户</a>
        </div>
    </div>
}