Vim finds the entire project

1. Using vim built-in search engine Vimgrep

Format:: VIM/PATERN/GJ * *

Command:: Vim or: Vimgrep

Mode: Query mode is included in//

Parameters: G indicates that the keywords found on the same line are divided into multiple lines for display

J means you don't need to jump to the first search location after a search is complete

Query: Default from working directory query

* * represents the specified directory and its subdirectories, so the file

* Indicates any file under the specified directory

To view search results:

: Copen open Quickfix window for viewing so query results

: CCL or: Q Close quickfix window

2. Find using the external tool grep

Format:: grep/patern/* *

3. Using the Ack.vim plugin

Format:: ack/patern/* *

Vim finds the entire project