2.3.2 添加、删除文件和文件状态查看

• git status ：查看目录中是否还有文件未提交
• git add 文件名 :将文件添加到暂存区
• git rm --cached 文件名：将文件从暂存区删除

​x
# 首次查看，工作区中没有任何文件
$ git status
On branch master # 当前在master分支
No commits yet # 目前还没有提交过
nothing to commit (create/copy files and use "git add" to track)#没有需要提交

# 新增文件
$ vim gtjin.txt
hello git,hello gtjin
hello git,hello gtjin
hello git,hello gtjin

# 查看所有的未被隐藏的文件
$ ll
total 1
-rw-r--r-- 1 Administrator 197121 66 Sep 17 17:57 gtjin.txt

#查看文件中的内容
$ cat gtjin.txt
hello git,hello gtjin
hello git,hello gtjin
hello git,hello gtjin

# 再次查看状态
$ git status
On branch master
No commits yet # 目前还没有提交过
Untracked files:#未被追踪的文件
  (use "git add <file>..." to include in what will be committed)
        gtjin.txt

nothing added to commit but untracked files present (use "git add" to track)

$ git add gtjin.txt
warning: LF will be replaced by CRLF in gtjin.txt.
The file will have its original line endings in your working directory

Administrator@SC-201911261404 MINGW64 /d/GitSpace/FirstGitRepos (master)
$ git status
On branch master
No commits yet

Changes to be committed: # 可以通过如下命令删除 git add 添加的文件
  (use "git rm --cached <file>..." to unstage)
        new file:   gtjin.txt
# 删除 git add 添加的文件      
$ git rm --cached gtjin.txt
rm 'gtjin.txt'

# 再次查看状态，回到了git add执行之前的状态
$ git status
On branch master
No commits yet
Untracked files:
  (use "git add <file>..." to include in what will be committed)
        gtjin.txt
nothing added to commit but untracked files present (use "git add" to track)

$ git add gtjin.txt
warning: LF will be replaced by CRLF in gtjin.txt.
The file will have its original line endings in your working directory

$ git status
On branch master453
No commits yet
Changes to be committed:
  (use "git rm --cached <file>..." to unstage)
        new file:   gtjin.txt