git简介：
Git 是一个免费和开源的 分布式版本控制系统，旨在以速度和效率处理从小型到大型项目的所有 内容。Git易于学习， 占用空间小，性能快如闪电。
idea整合git，使用idea进行项目代码同步操作
下载：
git官网：https://git-scm.com/download/win
安装:
选择软件安装路径，然后全部下一步即可。
使用步骤：
只有配置好身份信息之后，才能提交
git config --list 查看配置（然后才能配置）
git config --global user.email '邮箱地址' 配置邮箱信息（与团队其他人交互时显示这些信息）
git config --global user.name '随便名称' 配置用户名称
git commit -m '提交备注' 提交备注（配置邮箱和用户，才能提交备注）
33154@DESKTOP-P7025DP MINGW64 /d/mygit (master)
$ git config --list
core.symlinks=false
core.autocrlf=true
core.fscache=true
color.diff=auto
color.status=auto
color.branch=auto
color.interactive=true
help.format=html
rebase.autosquash=true
http.sslcainfo=D:/软件&安装包/软件/Git/Git/mingw64/ssl/certs/ca-bundle.crt
http.sslbackend=openssl
diff.astextplain.textconv=astextplain
filter.lfs.clean=git-lfs clean -- %f
filter.lfs.smudge=git-lfs smudge -- %f
filter.lfs.process=git-lfs filter-process
filter.lfs.required=true
credential.helper=manager
core.repositoryformatversion=0
core.filemode=false
core.bare=false
core.logallrefupdates=true
core.symlinks=false
core.ignorecase=true
33154@DESKTOP-P7025DP MINGW64 /d/mygit (master)
$ git config --global user.email '3315489188@qq.com'
33154@DESKTOP-P7025DP MINGW64 /d/mygit (master)
$ git config --global user.name 'xiaoyatou'
33154@DESKTOP-P7025DP MINGW64 /d/mygit (master)
$ git config --list
core.symlinks=false
core.autocrlf=true
core.fscache=true
color.diff=auto
color.status=auto
color.branch=auto
color.interactive=true
help.format=html
rebase.autosquash=true
http.sslcainfo=D:/软件&安装包/软件/Git/Git/mingw64/ssl/certs/ca-bundle.crt
http.sslbackend=openssl
diff.astextplain.textconv=astextplain
filter.lfs.clean=git-lfs clean -- %f
filter.lfs.smudge=git-lfs smudge -- %f
filter.lfs.process=git-lfs filter-process
filter.lfs.required=true
credential.helper=manager
user.email=3315489188@qq.com
user.name=xiaoyatou
core.repositoryformatversion=0
core.filemode=false
core.bare=false
core.logallrefupdates=true
core.symlinks=false
core.ignorecase=true
33154@DESKTOP-P7025DP MINGW64 /d/mygit (master)
$
代码如下：
33154@DESKTOP-P7025DP MINGW64 /d/mygit
$ pwd
/d/mygit
33154@DESKTOP-P7025DP MINGW64 /d/mygit
$ ll
total 0
33154@DESKTOP-P7025DP MINGW64 /d/mygit
$ git init
Initialized empty Git repository in D:/mygit/.git/
33154@DESKTOP-P7025DP MINGW64 /d/mygit (master)
$ git status
On branch master
No commits yet
nothing to commit (create/copy files and use "git add" to track)
33154@DESKTOP-P7025DP MINGW64 /d/mygit (master)
$ touch test1.txt
33154@DESKTOP-P7025DP MINGW64 /d/mygit (master)
$ git status
On branch master
No commits yet
Untracked files:
(use "git add <file>..." to include in what will be committed)
test1.txt
nothing added to commit but untracked files present (use "git add" to track)
33154@DESKTOP-P7025DP MINGW64 /d/mygit (master)
$ git add test1.txt
33154@DESKTOP-P7025DP MINGW64 /d/mygit (master)
$ git status
On branch master
No commits yet
Changes to be committed:
(use "git rm --cached <file>..." to unstage)
new file: test1.txt
33154@DESKTOP-P7025DP MINGW64 /d/mygit (master)
$ git commit test1.txt -m '第一次提交'
*** Please tell me who you are.
Run
git config --global user.email "you@example.com"
git config --global user.name "Your Name"
to set your account's default identity.
Omit --global to set the identity only in this repository.
fatal: unable to auto-detect email address (got '33154@DESKTOP-P7025DP.(none)')
33154@DESKTOP-P7025DP MINGW64 /d/mygit (master)
$ git config --global user.email'3315489188@qq.com'
33154@DESKTOP-P7025DP MINGW64 /d/mygit (master)
$ git config --global user.name'xiaoyatou'
33154@DESKTOP-P7025DP MINGW64 /d/mygit (master)
$ git config --list
core.symlinks=false
core.autocrlf=true
core.fscache=true
color.diff=auto
color.status=auto
color.branch=auto
color.interactive=true
help.format=html
rebase.autosquash=true
http.sslcainfo=D:/软件&安装包/软件/Git/Git/mingw64/ssl/certs/ca-bundle.crt
http.sslbackend=openssl
diff.astextplain.textconv=astextplain
filter.lfs.clean=git-lfs clean -- %f
filter.lfs.smudge=git-lfs smudge -- %f
filter.lfs.process=git-lfs filter-process
filter.lfs.required=true
credential.helper=manager
core.repositoryformatversion=0
core.filemode=false
core.bare=false
core.logallrefupdates=true
core.symlinks=false
core.ignorecase=true
33154@DESKTOP-P7025DP MINGW64 /d/mygit (master)
$ git config --global user.email '3315489188@qq.com'
33154@DESKTOP-P7025DP MINGW64 /d/mygit (master)
$ git config --global user.name 'xiaoyatou'
33154@DESKTOP-P7025DP MINGW64 /d/mygit (master)
$ git config --list
core.symlinks=false
core.autocrlf=true
core.fscache=true
color.diff=auto
color.status=auto
color.branch=auto
color.interactive=true
help.format=html
rebase.autosquash=true
http.sslcainfo=D:/软件&安装包/软件/Git/Git/mingw64/ssl/certs/ca-bundle.crt
http.sslbackend=openssl
diff.astextplain.textconv=astextplain
filter.lfs.clean=git-lfs clean -- %f
filter.lfs.smudge=git-lfs smudge -- %f
filter.lfs.process=git-lfs filter-process
filter.lfs.required=true
credential.helper=manager
user.email=3315489188@qq.com
user.name=xiaoyatou
core.repositoryformatversion=0
core.filemode=false
core.bare=false
core.logallrefupdates=true
core.symlinks=false
core.ignorecase=true
33154@DESKTOP-P7025DP MINGW64 /d/mygit (master)
$ ^C
33154@DESKTOP-P7025DP MINGW64 /d/mygit (master)
$ ^C
33154@DESKTOP-P7025DP MINGW64 /d/mygit (master)
$ git commit test1.txt -m '第一次提交'
[master (root-commit) 34d760b] 第一次提交
1 file changed, 0 insertions(+), 0 deletions(-)
create mode 100644 test1.txt
33154@DESKTOP-P7025DP MINGW64 /d/mygit (master)
$ git ls-tree master
100644 blob e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 test1.txt
33154@DESKTOP-P7025DP MINGW64 /d/mygit (master)
$ git show e69de29
33154@DESKTOP-P7025DP MINGW64 /d/mygit (master)
$ git reflog
34d760b (HEAD -> master) HEAD@{0}: commit (initial): 第一次提交
33154@DESKTOP-P7025DP MINGW64 /d/mygit (master)
$ git ls-tree master
100644 blob e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 test1.txt
33154@DESKTOP-P7025DP MINGW64 /d/mygit (master)
$ git show e69de29bb2
33154@DESKTOP-P7025DP MINGW64 /d/mygit (master)
$ git status
On branch master
Changes not staged for commit:
(use "git add <file>..." to update what will be committed)
(use "git checkout -- <file>..." to discard changes in working directory)
modified: test1.txt
no changes added to commit (use "git add" and/or "git commit -a")
33154@DESKTOP-P7025DP MINGW64 /d/mygit (master)
$ git commit test1.txt -m '第二次提交'
[master ed3912c] 第二次提交
1 file changed, 1 insertion(+)
33154@DESKTOP-P7025DP MINGW64 /d/mygit (master)
$ git status
On branch master
nothing to commit, working tree clean
33154@DESKTOP-P7025DP MINGW64 /d/mygit (master)
$ git ls-tree master
100644 blob b524eefd532d387b1496422c33b01e19ceb59146 test1.txt
33154@DESKTOP-P7025DP MINGW64 /d/mygit (master)
$ git show b524eefd
xiaoyatou
33154@DESKTOP-P7025DP MINGW64 /d/mygit (master)
$
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