制作网站时的得力助手 ，下载了一个网站系统后里面有许多原网站的名称、网址。用这个可以直接全部替换成我的。
支持多文件替换，直接替换、替换输出，并且可以显示替换进度、文件包含关键字的数量、替换失败数量等。
总共102行代码，不过还可以优化掉一些，我写的时候是一步一步来的，有些可以用“连续赋值”代替。(Making web site's right-hand man, download a web site system, there are many of the original site name, web site. With this, I can replace all of them directly.
Support multiple file replacement, direct replacement, replace output, and can display replacement progress, the number of keywords included in the file, the number of replacement failures.
There are 102 lines of code, but they can also be optimized. I write them step by step, and some can be replaced by a continuous assignment.)