ASP核心动态更新ViewBag Date标头是指在ASP.NET Core中使用ViewBag对象动态更新页面的日期标头。ViewBag是一个动态属性,可以在控制器中设置值,并在视图中访问这些值。
在ASP.NET Core中,可以通过以下步骤实现动态更新ViewBag Date标头:
public IActionResult Index()
{
ViewBag.Date = DateTime.Now;
return View();
}
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>ASP.NET Core</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta name="description" content="ASP.NET Core" />
<meta name="author" content="Your Name" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="format-detection" content="telephone=no" />
<meta http-equiv="Cache-Control" content="no-siteapp" />
<meta name="renderer" content="webkit" />
<meta http-equiv="Cache-Control" content="no-transform" />
<meta http-equiv="Cache-Control" content="no-siteapp" />
<meta name="HandheldFriendly" content="true" />
<meta name="MobileOptimized" content="320" />
<meta name="screen-orientation" content="portrait" />
<meta name="x5-orientation" content="portrait" />
<meta name="full-screen" content="yes" />
<meta name="x5-fullscreen" content="true" />
<meta name="browsermode" content="application" />
<meta name="x5-page-mode" content="app" />
<meta name="msapplication-tap-highlight" content="no" />
<meta name="apple-mobile-web-app-capable" content="yes" />
<meta name="apple-mobile-web-app-status-bar-style" content="black" />
<meta name="format-detection" content="telephone=no" />
<meta name="format-detection" content="email=no" />
<meta name="wap-font-scale" content="no" />
<meta name="screen-orientation" content="portrait" />
<meta name="x5-orientation" content="portrait" />
<meta name="full-screen" content="yes" />
<meta name="x5-fullscreen" content="true" />
<meta name="browsermode" content="application" />
<meta name="x5-page-mode" content="app" />
<meta name="msapplication-tap-highlight" content="no" />
<meta name="apple-mobile-web-app-capable" content="yes" />
<meta name="apple-mobile-web-app-status-bar-style" content="black" />
<meta name="format-detection" content="telephone=no" />
<meta name="format-detection" content="email=no" />
<meta name="wap-font-scale" content="no" />
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no" />
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
<title>ASP.NET Core</title>
<link rel="stylesheet" href="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/5.0.2/css/bootstrap.min.css" />
</head>
<body>
<h1>Welcome to ASP.NET Core</h1>
<p>Date: @ViewBag.Date</p>
<script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.6.0/jquery.min.js"></script>
<script src="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/5.0.2/js/bootstrap.bundle.min.js"></script>
</body>
</html>
在上述代码中,通过在控制器的Index方法中设置ViewBag.Date属性的值为当前日期时间,然后在视图中使用@ViewBag.Date将日期显示在页面上。
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