asp.net-mvc 在 MVC Razor 视图中使用 @RenderBody 有什么意义？
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What's the point of using @RenderBody in a MVC Razor view?
提问by Robert Harvey
In my MVC4 razor layout I am using @RenderSectionand I don't bother
with @RenderBody.
在我使用的 MVC4 razor 布局中@RenderSection，我不打扰@RenderBody.
Then in the views I just place everything in sections.
然后在视图中，我只是将所有内容放在部分中。
This makes me wonder what's the point of @RenderBodyother than to
make it easier for people who don't want to put things in sections. Is there anything different from @RenderBodyand something inside a @RenderSection?
这让我想知道@RenderBody除了让不想把东西分成几部分的人更容易之外还有什么意义。有什么不同的@RenderBody东西和里面的东西@RenderSection吗？
回答by Robert Harvey
@RenderBodyrenders the content of your page that is not within any named sections.If allof your content is within one of your defined sections, there is no point. However...
@RenderBody呈现不在任何命名部分中的页面内容。如果您的所有内容都在您定义的部分之一内，则没有意义。然而...
In Razor syntax, @RenderSectionreplaces master pages. It allows you to carve out sections of the page for particular areas, and then allow the main body of the content to emerge naturally wherever the @RenderBodydeclaration is placed.
在 Razor 语法中，@RenderSection替换母版页。它允许您为特定区域划分页面的各个部分，然后允许内容的主体在@RenderBody放置声明的任何地方自然出现。
Let's say you are writing an invoice. The RenderBodyarea would the that part of the page that contains your invoice line items. This is true of most reports; there's always a header section, a body section and a footer section.
假设您正在写发票。该RenderBody区域将是包含您的发票行项目的页面部分。大多数报告都是如此；总是有一个页眉部分、一个正文部分和一个页脚部分。
Presumably, rendering a section in the appropriate area of a web page allows you to obtain proper semantic behavior, such as styling the footer in a way that it always appears at the bottom of a page.
据推测，在网页的适当区域呈现一个部分可以让您获得适当的语义行为，例如以始终出现在页面底部的方式设置页脚的样式。
<footer>
@RenderSection("Footer", @<span>This is my footer!</span>)
</footer>
http://msdn.microsoft.com/en-us/vs2010trainingcourse_aspnetmvc3razor_topic2.aspx
http://msdn.microsoft.com/en-us/vs2010trainingcourse_aspnetmvc3razor_topic2.aspx
http://haacked.com/archive/2011/03/05/defining-default-content-for-a-razor-layout-section.aspx
http://haacked.com/archive/2011/03/05/defining-default-content-for-a-razor-layout-section.aspx
