vim映射大K

fun! Ysdk()
"映射大K"
:norm "+yiw
"
let i=@+
if len(i)<1
    return
endif
let c=i[0]
"要用是中文"
if (!Szw(c))
    norm!K
    "执行原K"
    return 
endif
call Xsdy(i)
endf

先取当前光标下面单词,再判断首字符,如为中文,取中文定义.否则,用原来的K.