//- 站点导航栏
mixin header()
    nav.navbar.navbar-expand-lg.bg-light
      .container
        a.navbar-brand(href='/') 飘雨
        button.navbar-toggler(type='button', data-bs-toggle='collapse', data-bs-target='#navbarSupportedContent', aria-controls='navbarSupportedContent', aria-expanded='false', aria-label='Toggle navigation')
            span.navbar-toggler-icon
        .collapse.navbar-collapse#navbarSupportedContent
            ul.navbar-nav.me-auto.mb-2.mb-lg-0
              li.nav-item
                a.nav-link.active(aria-current='page', href='/util') 工具
              li.nav-item
                a.nav-link.active(aria-current='page', href='/about') 关于
            .navbar-text
              if !isLogin
                a(href="/login")
                  .btn.btn-sm.btn-outline-secondary 登陆
                a(href="/login")
                  .btn.btn-sm.btn-outline-secondary 注册
              else
                div #{user.username}
                a(href="/logout")
                  .btn.btn-sm.btn-outline-secondary 退出
                //- form(action="/login/logout", method="post")
                //-   include @/helper/form_security.pug
                //-   button.btn.btn-sm.btn-outline-secondary(type="submit") 退出