如何讓vi 有顏色

if has("terminfo")
set t_Co=8
set t_Sf=^[[3%p1%dm
set t_Sb=^[[4%p1%dm
else
set t_Co=8
set t_Sf=^[[3%dm
set t_Sb=^[[4%dm
endif

syntax on
set tabstop=4
set shiftwidth=4
set autoindent