XML中这两种格式之间有区别吗？
<preview-millsfamilypharmacy>
<html>10MB</html>
<registry>0</registry>
<viewState>0</viewState>
<xsl>5MB</xsl>
</preview-millsfamilypharmacy>
<preview-CheyenneProfessionalDrug
html="10MB"
registry="0"
viewstate="0"
xsl="5MB" />