.NET4/.NET4.5/.NET4.5.1目标包
install .Net Framework 4/4.5/4.5.1 TargetPack
.Net Framework 4
./4/netfx_dtp.msi MSIFASTINSTALL=7 EXTUI=1
.Net Framework 4.5
./4.5/netfx45_dtp.msi MSIFASTINSTALL=7 EXTUI=1
.Net Framework 4.5.1
./4.5.1/netfx_451mtpack.msi MSIFASTINSTALL=7 EXTUI=1