摘要：usingSystem.IO;usingSystem.Text;namespaceFileService{publicstaticclassExtensionMethods{publicstaticstringMD5Code(thisFileInfofileInfo){vardata=fileInfo.BinaryData();byte[]hash=newSystem.Security.Cryptography.MD5CryptoServiceProvider().ComputeHash(data);varbuilder=newStringBuilder();foreach(varbinhas 阅读全文