Use the vim plug-in nerd_tree to read the source code

The nerd_tree plug-in can list the file tree structures under the directory. It is convenient to switch between different folders when reading the source code.

On the official website http://www.vim.org/scripts/script.php? Script_id = 1658 download nerd_tree.

Installation:

Decompress the package,
Copy DOC/nerd_tree.txt ~ /. Vim/Doc,
In ~ /. Vim/DOC run the following commands in the vim environment: helptags. And: Help nerd_tree.txt;

Copy plugin/nerd_tree.vim ~ /. Vim/plugin;

After opening the file, VIM can use: Help nerd_tree to view help information;

Run the nerdtree command to list the file tree structure in the current directory.