vim配置文件存放位置：
windows:修改安装目录下的_vimrc文件(在别到地方编辑，然后copy替换该文件)
Linux:
vim初始配置文件位置“~/.vimrc”
一般vim会有一个默认的配置文件样本.cp到用户目录中,"cp /usr/share/vim/vim73/vimrc_example.vim ~/.vimrc"
然后追加下面自定义设置.
以下是自定义内容，当作备份
具体参数含义参见vim帮助文档
eg： ”:help smarttab“
set nocompatible
source $VIMRUNTIME/vimrc_example.vim
source $VIMRUNTIME/mswin.vim
behave mswin
set diffexpr=MyDiff()
function MyDiff()
let opt = '-a --binary '
if &diffopt =~ 'icase' | let opt = opt . '-i ' | endif
if &diffopt =~ 'iwhite' | let opt = opt . '-b ' | endif
let arg1 = v:fname_in
if arg1 =~ ' ' | let arg1 = '"' . arg1 . '"' | endif
let arg2 = v:fname_new
if arg2 =~ ' ' | let arg2 = '"' . arg2 . '"' | endif
let arg3 = v:fname_out
if arg3 =~ ' ' | let arg3 = '"' . arg3 . '"' | endif
let eq = ''
if $VIMRUNTIME =~ ' '
if &sh =~ '\<cmd'
let cmd = '""' . $VIMRUNTIME . '\diff"'
let eq = '"'
else
let cmd = substitute($VIMRUNTIME, ' ', '" ', '') . '\diff"'
endif
else
let cmd = $VIMRUNTIME . '\diff'
endif
silent execute '!' . cmd . ' ' . opt . arg1 . ' ' . arg2 . ' > ' . arg3 . eq
endfunction
"set directory to save backup files
"set backup
"set writebackup
"set backupdir=C:\BackUp\VimBKFiles
"not use tool bar, to make code area larger
set guioptions-=T
"set GVim window to max size when setup
au GUIEnter * simalt ~x
"tab = 4
set smarttab
set tabstop=4
set shiftwidth=4
"use space instead of tab
set expandtab
:set cursorline
let Tlist_Ctags_Cmd="ctags.exe"
let Tlist_Show_One_File=1
let Tlist_Exit_OnlyWindow=1
"let Tlist_Auto_Open=1
let Tlist_Sort_Type="name"
let Tlist_Use_Right_Window=1
let Tlist_Inc_Winwidth=0
let Tlist_WinWidth=40
"let ctags_cmd = '"' . ctags_cmd . '"'
"let g:winManagerWindowLayout= "FileExplorer"
let g:winManagerWindowLayout='NERDTree|TagList,BufExplorer'
"let g:winManagerWindowLayout='NERDTree'
let g:winManagerWidth = 40
nmap <F2> <esc>:nohlsearch<cr>
nmap <F3> <esc>:cn<cr>
nmap <F4> <esc>:cp<cr>
map <F6> <esc>:%!xxd -g 1<cr>
"map <F7> <esc>:NERDTreeToggle<cr>
map <F7> <esc>:WMToggle<cr>
map <F8> <esc>:Tlist<cr>
map <F9> <esc>:set tags=tags<cr>
"F10与ubuntu系统快捷键冲突, 所以用组合键Ctrl+F10
map <C-F10> <esc>:!ctags -R<cr>
"F1建和帮助快捷键冲突，Ctrl+F1和vim终端快捷键冲突，所以用Ctrl+F5组合键插入时间信息
imap <C-F5> <C-R>=strftime("%Y-%m-%d")<CR>
let g:miniBufExplMapWindowNavVim = 1
let g:miniBufExplMapWindowNavArrows = 1
let g:miniBufExplMapCTabSwitchBufs = 1
let g:miniBufExplModSelTarget = 1
set nu
"colorscheme default
"关闭声音提示
set noeb
set vb t_vb=
"关闭可视的错误提示
set vb t_vb=
"NERDTree只显示.h .c .cc .cpp等头文件和源文件
let NERDTreeIgnore=['\w*[^hcpy]$', '[^\.]\(h\|[^\.]c\|..p\|.y\)$','\.[^c]c', '\..[^p]p$', '\.[^c]pp$', '\.[^p]y']
"重命名文件，自定命令为Rename，修改当前编辑文件的名字，eg. ":Rename newName.java"
:command! -nargs=1 Rename let tpname = expand('%:t') | saveas <args> | edit <args> | call delete(expand(tpname))
参考资料：
1· http://www.xxlinux.com/linux/article/accidence/technique/20071214/13341.html
2· http://yuxu9710108.blog.163.com/blog/static/237515342010102532414570/