vim 中快捷键跟新cscope数据库

let g:CurrentDir = getcwd()
let g:CscopeAddString = "cs add " . g:CurrentDir . "/cscope.out " . g:CurrentDir
:exe g:CscopeAddString

nnoremap :!cscope -Rb $CurrentDir :cs kill 0 :exe CscopeAddString