智能生成对账单excel,并压缩文件,然后多线程发送邮件带测试附件（知识点：多线程,操作Excel,读取Ini配置,Smtp发邮件及配置,调用7z.dll压压缩类）-Smart Generator statement excel, and the compressed file, and then send the message multithreading (knowledge points: multi-threaded operating Excel, read Ini configur