一个文件比较的代码，功能强大，能自动合并文件，图形华操作界面，而且是原代码开放的一个工具，希望大家提出自己的建议-a paper comparing the code, powerful, can be automatically merged documents, graphics-user interface, but open source is a tool, we hope to make their own proposal

WinMerge可以显示两个文件的不同之处，并提供文件或文件夹合并功能。-WinMerge can show two different documents, and providing documents or folders merge function.