Node.js是一套用来编写高性能网络服务器的Javascr ipt工具包，一系列的变化由此开始。比较独特的是，Node.js会假设你是在POSIX环境下运行它Linux 或 Mac OS X。如果你是在Windows下，那就需要安装MinGW以获得一个仿POSIX的环境。在Node中，Http是首要的。Node为创建http服务器作了优化，所以你在网上看到的大部分示例和库都是集中在web上(http框架、模板库等）。-Node.js is a high-performance network servers for writing Javascr ipt toolkit, which began a series of changes. More unique is that, Node.js will assume that you are running it on Linux or Mac OS X in the POSIX environment. If you re on Windows, then you need to install MinGW to get a fake POSIX environment. In the Node, Http is paramount. Node is optimized for creating http server, so you can see most of the online examples and libraries are focused on the web (http fr a mework, template library, etc.).