安装NERDTree
⑴、cd ~/.vim
⑵、git clone https://github.com/scrooloose/nerdtree
⑶、把plugin/NERD_tree.vim 和 doc/NERD_tree.txt 分别复制到 _{/.vim/plugin和}/.vim/doc

    cp nerdtree/plugin/NERD_tree.vim ~/.vim/plugincp nerdtree/plugin/NERDTree.txt ~/.vim/doc

⑷、安装pathogen插件

   cd ~/.vimgit clone https://gitcode.com/gh_mirrors/vi/vim-pathogen.gitmkdir -p ~/.vim/autoload ~/.vim/bundlecurl -LSso ~/.vim/autoload/pathogen.vim https://tpo.pe/pathogen.vimmv nerdtree bundle/vim ~/.vimrc

在.vimrc中添加execute pathogen#infect()
打开Vim，输入 :NERDTree即可打开当前的目录树