说明：  针对windows office word提供的开发工具宏，自己编写的一段宏代码，可以实现对批量文档内容进行替换，支持文件夹选择和文件选择两种方式。
(According to the development tool macro provided by Windows Office Word, a macro code written by myself can replace the contents of batch documents, and support folder selection and file selection.)