重新改进支持Qt4.6-Qt6.1

3rd_smtpclient/mimefile.cpp

@@ -0,0 +1,23 @@
+#include "mimefile.h"
+#include <QFileInfo>
+
+MimeFile::MimeFile(QFile *file)
+{
+	this->file = file;
+	this->cType = "application/octet-stream";
+	this->cName = QFileInfo(*file).fileName();
+	this->cEncoding = Base64;
+}
+
+MimeFile::~MimeFile()
+{
+	delete file;
+}
+
+void MimeFile::prepare()
+{
+	file->open(QIODevice::ReadOnly);
+	this->content = file->readAll();
+	file->close();
+	MimePart::prepare();
+}