vim 常用配置

autocmd BufNewFile *.c 0r ~/模板/c.c
autocmd BufNewFile *.cc 0r ~/模板/c++.cpp
autocmd BufNewFile *.cxx 0r ~/模板/c++.cpp
autocmd BufNewFile *.cpp 0r ~/模板/c++.cpp

set ai              # 自动缩进
set nu              # (number) 显示行标
set ts=4            # (tabstop) 制表符缩进4格
set sw=4            # (shiftwidth) 缩进4格