基于.NET Core 3.1 网站开发和部署的方法

@foreach (News item in @ViewBag.list) { <div> <div> <a href="/News/NewsDetail?id=@item.Id" >@item.NewsTitle</a> </div> <div> @item.PublishTime.ToShortDateString() </div> </div>

行使viewmodel

节制器中行使View的重载要领转达viewmodel

public IActionResult Index() { ViewData["title"]="好运来旅馆"; return View(new NewsManager().GetNews(4)); }

视图中先声明后行使
Specify a model using the @model directive. Use the model with @Model:

@model list<News> ... @foreach (News item in @Model) { <div> <div> <a href="/News/NewsDetail?id=@item.Id" >@item.NewsTitle</a> </div> <div> @item.PublishTime.ToShortDateString() </div> </div>

修改后的首页

9.分部视图

建设分部视图
分部视图的建设和其他视图的建设没有任何区别，只是它作为其他视图的一部门来视图用。
停止视图代码的一再。

在其他视图中行使分部视图

引用分部视图行使非凡的标签 <partial />

@model List<News> <div> <div> <partial /> </div> <div> <div>您此刻地址的位置:中式餐厅旅馆&gt;消息动态</div> <div> @foreach (News item in @Model) { <div> <div><a href="NewsDetail?id=@item.Id" >@item.NewsTitle</a></div> <div>@item.PublishTime.ToShortDateString()</div> </div> } </div> </div> </div>

10.行使Section机关界说

@RenderSection("js",required:false)

行使

@section js{ <script type="text/javascript"> function changeFontSize(fontSize) { //获取要变革的工具 var divContent = $(".row .m-4"); divContent.css("font-size",fontSize); } </script> }

11.表单验证

行使模子验证方法实现

添加验证特征

public partial class DishBook { public uint Id { get; set; } public string HotelName { get; set; } [Required(ErrorMessage = "{0}不能为空")] [Display(Name = "斲丧时刻")] public DateTime? ConsumeTime { get; set; } [Required(ErrorMessage = "{0}不能为空")] [RegularExpression(@"^d+$", ErrorMessage = "请输入正确的{0}")] [Display(Name = "斲丧人数")] public uint? ConsumePersons { get; set; } public string RoomType { get; set; } [Required(ErrorMessage = "{0}不能为空")] [RegularExpression(@"^(13[0-9]|14[5|7]|15[0|1|2|3|5|6|7|8|9]|18[0|1|2|3|5|6|7|8|9])d{8}$", ErrorMessage = "请输入正确的{0}")] [Display(Name = "手机号码")] public string CustomerPhone { get; set; } [Required(ErrorMessage = "{0}不能为空")] [Display(Name = "姓名")] public string CustomerName { get; set; } [EmailAddress(ErrorMessage = "请输入正确的{0}")] [Display(Name = "电子邮件")] public string CustomerEmail { get; set; } public string Comments { get; set; } public DateTime BookTime { get; set; } public int? BookStatus { get; set; } // 扩展属性 [Required(ErrorMessage = "{0}不能为空")] [Remote(action:"CheckVcode",controller:"Dish")] [Display(Name = "验证码")] public string ValidationCode { get; set; } }

行使 Tag Helper 完成前端代码编写

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