restore :v. 恢復(某種情況或感受);使復原;使復位;
總結
區別：
git restore --staged <file>： 將文件從暫存區撤出，但不會撤銷 工作區 文件的更改 （即： git status 提示的 被修改 且 被加入暫存區的內容，會被撤銷，工作區文件的更改 不會變）git restore <file> ：將不在暫存區的文件撤銷更改 （即： git status 提示的 被修改 但 未被加入暫存區的內容，會被撤銷）
git restore --staged <file>: 撤銷 暫存區
git restore <file>: 撤銷 本地修改
不懂：繼續看下去
git restore
表示將在 工作區 但是 不在暫存區 的文件撤銷更改
主角三個文件：application.yml 、logback-spring.xml、.gitignore
過 程：
- application.yml 、logback-spring.xml ，兩個文件使用
git add命令添加到了暫存區（在暫存區） - .gitignore 文件是修改過，但沒有
git add的文件（不在暫存區） - 使用
git restore .gitignore命令後，使用git status查看文件狀態，發現 .gitignore 文件的工作區的更改被撤銷了。
E:\JavaDev\template_workspace\zhw-free>git status
On branch master
Your branch is up to date with 'origin/master'.
Changes to be committed:
(use "git restore --staged <file>..." to unstage)
modified: zhw-free-demo/src/main/resources/application.yml
new file: zhw-free-demo/src/main/resources/logback-spring.xml
Changes not staged for commit:
(use "git add <file>..." to update what will be committed)
(use "git restore <file>..." to discard changes in working directory)
modified: .gitignore
E:\JavaDev\template_workspace\zhw-free>
E:\JavaDev\template_workspace\zhw-free>
E:\JavaDev\template_workspace\zhw-free>
E:\JavaDev\template_workspace\zhw-free>
E:\JavaDev\template_workspace\zhw-free>
E:\JavaDev\template_workspace\zhw-free>
E:\JavaDev\template_workspace\zhw-free>git restore .gitignore
E:\JavaDev\template_workspace\zhw-free>git status
On branch master
Your branch is up to date with 'origin/master'.
Changes to be committed:
(use "git restore --staged <file>..." to unstage)
modified: zhw-free-demo/src/main/resources/application.yml
new file: zhw-free-demo/src/main/resources/logback-spring.xml
E:\JavaDev\template_workspace\zhw-free>
git restore --staged
作用是將 暫存區的文件從暫存區撤出，但不會更改文件
主角三個文件：application.yml 、logback-spring.xml、.gitignore
過 程：
- 演示完整的過程，從更改文件到添加到暫存區再到從暫存區撤出 （過程已經以“-------------”線分隔）
- 初始狀態：application.yml 、logback-spring.xml ，兩個文件使用
git add命令添加到了暫存區（在暫存區） - 手動修改一下 .gitignore文件，再查看狀態，.gitignore文件未添加到暫存區（不在暫存區）
- 使用
git add .gitignore將 .gitignore 文件添加到暫存區 - 重點來了，我們使用
git restore --staged將.gitognore 文件存暫存區撤出
E:\JavaDev\template_workspace\zhw-free>git status
On branch master
Your branch is up to date with 'origin/master'.
Changes to be committed:
(use "git restore --staged <file>..." to unstage)
modified: zhw-free-demo/src/main/resources/application.yml
new file: zhw-free-demo/src/main/resources/logback-spring.xml
E:\JavaDev\template_workspace\zhw-free>
-----------------------------------------------------------------------------------
E:\JavaDev\template_workspace\zhw-free>git status
On branch master
Your branch is up to date with 'origin/master'.
Changes to be committed:
(use "git restore --staged <file>..." to unstage)
modified: zhw-free-demo/src/main/resources/application.yml
new file: zhw-free-demo/src/main/resources/logback-spring.xml
Changes not staged for commit:
(use "git add <file>..." to update what will be committed)
(use "git restore <file>..." to discard changes in working directory)
modified: .gitignore
E:\JavaDev\template_workspace\zhw-free>
----------------------------------------------------------------------------------
E:\JavaDev\template_workspace\zhw-free>git add .gitignore
E:\JavaDev\template_workspace\zhw-free>git status
On branch master
Your branch is up to date with 'origin/master'.
Changes to be committed:
(use "git restore --staged <file>..." to unstage)
modified: .gitignore
modified: zhw-free-demo/src/main/resources/application.yml
new file: zhw-free-demo/src/main/resources/logback-spring.xml
E:\JavaDev\template_workspace\zhw-free>
-------------------------------------------------------------------------------
E:\JavaDev\template_workspace\zhw-free>
E:\JavaDev\template_workspace\zhw-free>git restore --staged .gitignore
E:\JavaDev\template_workspace\zhw-free>git status
On branch master
Your branch is up to date with 'origin/master'.
Changes to be committed:
(use "git restore --staged <file>..." to unstage)
modified: zhw-free-demo/src/main/resources/application.yml
new file: zhw-free-demo/src/main/resources/logback-spring.xml
Changes not staged for commit:
(use "git add <file>..." to update what will be committed)
(use "git restore <file>..." to discard changes in working directory)
modified: .gitignore
E:\JavaDev\template_workspace\zhw-free>
E:\JavaDev\template_workspace\zhw-free>
E:\JavaDev\template_workspace\zhw-free>