究竟什么是 C# 或 .NET 中的程序集? [英] What exactly is an Assembly in C# or .NET?
问题描述
您能否解释一下 C# 或 .NET 中的程序集是什么?
Could you please explain what is an Assembly in C# or .NET?
- 它从哪里开始，到哪里结束?
- 关于程序集，我应该了解哪些重要信息?
推荐答案
程序集是代码的编译输出，通常是 DLL，但您的 EXE 也是程序集.它是任何 .NET 项目的最小部署单元.
An assembly is the compiled output of your code, typically a DLL, but your EXE is also an assembly. It's the smallest unit of deployment for any .NET project.
程序集通常包含 MSIL(Microsoft 中间语言)中的 .NET 代码，这些代码将在第一次在给定机器上执行时编译为本机代码(JITted" - 由即时编译器编译).编译后的代码也将存储在程序集中并在后续调用中重复使用.
The assembly typically contains .NET code in MSIL (Microsoft Intermediate language) that will be compiled to native code ("JITted" - compiled by the Just-In-Time compiler) the first time it is executed on a given machine. That compiled code will also be stored in the assembly and reused on subsequent calls.
程序集还可以包含图标、位图、字符串表等资源.此外，程序集还在程序集清单中包含元数据 - 诸如版本号、强名称、区域性、引用的程序集等信息.
The assembly can also contain resources like icons, bitmaps, string tables and so on. Furthermore, the assembly also contains metadata in the assembly manifest - information like version number, strong name, culture, referenced assemblies and so forth.
在 99% 的情况下，一个程序集等于磁盘上的一个物理文件 - 多文件程序集(一个程序集，分布在多个文件中)的情况似乎是一个相当奇怪的边缘情况在我 5 年多的 .NET 开发中，到目前为止我从未遇到过.
In 99% of your cases, one assembly equals a physical file on disk - the case of a multi-file assembly (one assembly, distributed across more than a single file) appears to be a rather odd-ball edge case which I've never encountered so far in my 5+ years of .NET development.
在多文件程序集中，DLL 或 EXE 中仍然只有一个程序集清单，多个网络模块文件中仍然只有 MSIL 代码.
In a multifile assembly there would still be only one assembly manifest in a DLL or EXE and the MSIL code in multiple netmodule files.
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