C# 使用流

问题描述

流对我来说有点神秘.我不知道何时使用哪个流以及如何使用它们.有人可以向我解释如何使用流吗?

Streams are kind of mysterious to me. I don't know when to use which stream and how to use them. Can someone explain to me how streams are used?

如果我理解正确的话，有三种流类型:

If I understand correctly, there are three stream types:

• 流
• 读取流
• 写流

这是正确的吗?例如，Memorystream 和 FileStream 之间有什么区别?

Is this correct? And, for example, what is the difference between a Memorystream and a FileStream?

推荐答案

stream 是用于传输数据的对象.有一个通用流类 System.IO.Stream，.NET 中的所有其他流类都从该类派生.Stream 类处理字节.

A stream is an object used to transfer data. There is a generic stream class System.IO.Stream, from which all other stream classes in .NET are derived. The Stream class deals with bytes.

具体的流类用于处理字节以外的其他类型的数据.例如:

The concrete stream classes are used to deal with other types of data than bytes. For example:

• 当外部源是文件时使用FileStream 类
• MemoryStream 用于在内存中存储数据
• System.Net.Sockets.NetworkStream 处理网络数据

• The FileStream class is used when the outside source is a file
• MemoryStream is used to store data in memory
• System.Net.Sockets.NetworkStream handles network data

读取器/写入器流，例如 StreamReader 和 StreamWriter 不是流 - 它们不是从 System.IO.Stream 派生的，它们是旨在帮助写入和读取数据以及流式传输！

Reader/writer streams such as StreamReader and StreamWriter are not streams - they are not derived from System.IO.Stream, they are designed to help to write and read data from and to stream!

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