if exists('$TMUX')
let &t_SI = "\<Esc>Ptmux;\<Esc>\<Esc>]50;CursorShape=1\x7\<Esc>\\"
let &t_EI = "\<Esc>Ptmux;\<Esc>\<Esc>]50;CursorShape=0\x7\<Esc>\\"
else
let &t_SI = "\<Esc>]50;CursorShape=1\x7"
let &t_EI = "\<Esc>]50;CursorShape=0\x7"
endif
:autocmd InsertEnter * set cul
:autocmd InsertLeave * set nocul
以下内容适用于 Linux 上的 xterm、 urxvt 和其他终端模拟器; macOS 上的 iTerm2; Windows 上的 Git Bash 和 ConEmu; 以及更多内容(见注释) :
let &t_SI = "\e[6 q"
let &t_EI = "\e[2 q"
" reset the cursor on start (for older versions of vim, usually not required)
augroup myCmds
au!
autocmd VimEnter * silent !echo -ne "\e[2 q"
augroup END