片段和模板有什么区别？
尝试确定何时使用片段以及何时使用模板，因为它们似乎都能够完成相同的事情。
是性能更好还是其他更好，或者它们完全不同并且我误解了某些东西？
Trying to determine when to use a snippet and when to use a template, since they all seem to be able to accomplish the same thing.
Is one better for performance or such, or are they completely differently and I’m misunderstanding something?
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片段通常是指您在智能感知下拉列表中看到的代码片段（或
右键单击>插入片段，例如SurroundsWith、forEach等）。它们通常跨越几行，用于提供重复使用的代码模式的快捷方式。模板是指项目/项目模板，它可以包含代码以及其他内容，例如项目的文件结构等。将其视为代码文件或项目的脚手架。
例如，当您选择创建新的网站项目时，网站项目模板通过添加诸如
default.aspx之类的文件和文件夹（App_Code等）来创建典型网站的脚手架。还有所谓的 T4 模板，用于代码生成。其范围超出了几行（这通常是片段添加的内容）。您可以添加代码和控制逻辑，这使得它们比片段更强大。同时，为
forEach之类的东西编写 T4 模板是一种矫枉过正的行为。您也不能右键单击并在编辑器中在此处插入片段。比较性能在这里并不重要，因为每个都是一次性的事情。您可以根据您想用它做什么来选择其中之一。
Snippets usually refer to code snippets which you see in your intellisense dropdown (or
Right click > Insert Snippetsuch asSurroundsWith,forEachetc.). They usually span few lines and are used to provide shortcut to repeatedly used code patterns.Templates refer to Item/Project templates which can contain code plus other things such as file structure for a project and more). Think of it as a scaffolding for code file or a project.
E.g. WebSite project templates creates the scaffolding for a typical WebSite by adding files such as
default.aspxand folders (App_Codeetc) when you choose to create a new website project.There is also what is known as T4 templates which are used for code generation. The scope of this goes beyond a handful of lines (which is typically what a snippet would add). You can add code and control logic which makes them way more powerful than snippets. At the same time, writing a T4 template for something like
forEachis a overkill. You also cannot right click and say insert snippet here within the editor.Comparing performance is not relevant here as each is a one time thing. You choose one over either based on what you want to do with it.