11个C#常用类（代码）
....................\DataValidator.cs
....................\DBOperation.cs
....................\DecryptEncrypt.cs
....................\ExcelOperations.cs
....................\ftp.cs
....................\js.cs
....................\Utils.cs
....................\Word操作类.cs
....................\常用数据检查类.cs
....................\常用编码工具类.cs
....................\文件目录常用操作的类.cs