"定义tab字符数 set tabstop=4 set shiftwidth=4 set noexpandtab "set cursorline set encoding=utf-8 set number set showmode "智能换行 set noautoindent set smartindent set nocindent "语法高亮 syntax on "不用与vi兼容(兼容会造成部分功能不可用) set nocompatible