[root@Monitor Demo]# git branch #当前在master分支下
* master
 psr/psr-01
 psr/psr-02
[root@Monitor Demo]# git checkout psr/psr-02 #切换到psr/psr-02分支下
Switched to branch 'psr/psr-02'
[root@Monitor Demo]# git branch
 master
 psr/psr-01
* psr/psr-02
[root@Monitor Demo]# ls
LICENSE new_remote_branch.txt psr_psr-02.txt README.md
[root@Monitor Demo]# vim psr_psr-02.txt #修改psr/psr-02分支上的文件
[root@Monitor Demo]# git add psr_psr-02.txt
[root@Monitor Demo]# git commit -m 'psr_psr-02.txt has changed on psr/psr-02 branch' #提交到暂存区
[psr/psr-02 62ca72c] psr_psr-02.txt has changed on psr/psr-02 branch
 1 files changed, 6 insertions(+), 0 deletions(-)
[root@Monitor Demo]# git checkout master #切换到master分支下
Switched to branch 'master'
[root@Monitor Demo]# vim psr_psr-02.txt #在master分支下也对psr_psr-02.txt进行修改
[root@Monitor Demo]# git add psr_psr-02.txt
[root@Monitor Demo]# git commit -m 'changed this file on master branch'
[master 282fbeb] changed this file on master branch
 1 files changed, 2 insertions(+), 0 deletions(-)
[root@Monitor Demo]# git merge psr/psr-02 #把psr/psr-02分支合并到当前分支，这时提示冲突了
Auto-merging psr_psr-02.txt
CONFLICT (content): Merge conflict in psr_psr-02.txt
Automatic merge failed; fix conflicts and then commit the result.

add some lines on master branch

add some lines on psr/psr-01 branch

2016年12月13日14:43:34 changed after psr/psr-02
=======
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> psr/psr-02

vim psr_psr-02.txt

<<<<<<< HEAD
add some lines on master branch

add some lines on psr/psr-01 branch

2016年12月13日14:43:34 changed after psr/psr-02
=======
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> psr/psr-02

# vim psr_psr-02.txt
README.md

I'am in new branch psr/psr-02 based on psr/psr-01

add some lines on master branch

add some lines on psr/psr-01 branch

2016年12月13日14:43:34 changed after psr/psr-02

Merge branch 'psr/psr-02'

Conflicts:
  psr_psr-02.txt
#
# It looks like you may be committing a MERGE.
# If this is not correct, please remove the file
#  .git/MERGE_HEAD
# and try again.
#

# Please enter the commit message for your changes. Lines starting
# with '#' will be ignored, and an empty message aborts the commit.
# On branch master
# Your branch is ahead of 'origin/master' by 1 commit.
#

Conflicts:
  psr_psr-02.txt

git push origin master