delphi语言写的将文件转成base64码，及将已有的base64码存储成文件的方法。对使用base64码开发的人使用起来简单易懂。-delphi language to write the file into a base64 code, and will have the base64 code into the file storage method. The use of base64 code Development of the people it is simple to u