git如何解决合并冲突

本篇文章“git如何解决合并冲突”主要为您从以下几个方面讲解：原因、解决方法、git冲突、解决冲突，希望对您有所启发。

git解决合并冲突的方法：1、编辑有冲突的文件，并删除文件中的特殊符号，根据需求修改代码；2、将指定文件添加到暂存区，并将指定的分支提交到主干，执行提交即可，其中使用“git commit”命令时不能带文件名, 加文件名会报错。

本文操作环境：Windows10系统、Git2.30.0版、Dell G3电脑。

git解决合并冲突

git冲突

多个分支代码合并到一个分支时，两个分支中修改了同一个文件，不管是什么地方修改，都会产生；

还有一种 两个分支中修改了同一个文件的名称时会产生。

原因

合并分支时，两个分支在同一个文件有两套完全不同的修改。Git 无法替

我们决定使用哪一个。必须人为决定新代码内容。

解决方法

编辑有冲突的文件，删除特殊符号，决定要使用的内容

添加到暂存区

执行提交（注意：此时使用 git commit 命令时不能带文件名, 加文件名会报错，成功提交后，merging消失）

示例如下：

1、冲突的产生

1.1、主干分支代码

在主干分支有两个文件

main.cpp

#include <stdio.h>#include <string.h>int main(){	char data[100] = "my branch name is master";	int length = strlen(data);		for(int i = 0; i < length; i++)	{		printf("%c", data[i]);	}		printf("branch master\n");		return 0;}

README.md

this is master branch

这个时候tom和jack分别拉取了主干分支的代码，并进行了修改。

1.2、tom修改代码提交合并

tom创建A分支并对文件做了以下修改

main.cpp

#include <stdio.h>#include <string.h>int main(){	char data[100] = "my branch name is A";	int length = strlen(data);		for(int i = 0; i < length; i++)	{		printf("%c", data[i]);	}		printf("branch AAA\n");		return 0;}

README.md

this is AAA branch

提交代码并合并到主干

lng@DESKTOP-9TD21KL MINGW64 ~/Desk较好/tom/kaol (A)$ git add .lng@DESKTOP-9TD21KL MINGW64 ~/Desk较好/tom/kaol (A)$ git commit -m "A分支代码提交"[A ccb2626] A分支代码提交 2 files changed, 3 insertions(+), 3 deletions(-)lng@DESKTOP-9TD21KL MINGW64 ~/Desk较好/tom/kaol (A)$ git push origin AEnumerating objects: 7, done.Counting objects: 100% (7/7), done.Delta compression using up to 12 threadsCompressing objects: 100% (2/2), done.Writing objects: 100% (4/4), 376 bytes | 376.00 KiB/s, done.Total 4 (delta 1), reused 3 (delta 1), pack-reused 0remote: Powered by GITEE.COM [GNK-6.2]remote: Create a pull request for 'A' on Gitee by visiting:remote:     https://gitee.com/lingpe/kaol/pull/new/lingpe:A...lingpe:masterTo https://gitee.com/lingpe/kaol.git * [new branch]      A -> Alng@DESKTOP-9TD21KL MINGW64 ~/Desk较好/tom/kaol (A)$ git checkout masterSwitched to branch 'master'Your branch is up to date with 'origin/master'.lng@DESKTOP-9TD21KL MINGW64 ~/Desk较好/tom/kaol (master)$ git merge AUpdating 40c0115..ccb2626Fast-forward README.md | 2 +- main.cpp  | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-)lng@DESKTOP-9TD21KL MINGW64 ~/Desk较好/tom/kaol (master)$ git push origin masterTotal 0 (delta 0), reused 0 (delta 0), pack-reused 0remote: Powered by GITEE.COM [GNK-6.2]To https://gitee.com/lingpe/kaol.git   40c0115..ccb2626  master -> masterlng@DESKTOP-9TD21KL MINGW64 ~/Desk较好/tom/kaol (master)$

1.3、jack修改代码提交合并

jack对代码做了如下修改

main.cpp

#include <stdio.h>#include <string.h>int main(){	char data[100] = "my branch name is B";	int length = strlen(data);		for(int i = 0; i < length; i++)	{		printf("%c", data[i]);	}		printf("branch BBB\n");		return 0;}

README.md

this is BBB branch

提交代码并合并到主干

lng@DESKTOP-9TD21KL MINGW64 ~/Desk较好/jack/kaol (B)$ git add .lng@DESKTOP-9TD21KL MINGW64 ~/Desk较好/jack/kaol (B)$ git commit -m "B分支代码提交"[B bdcbe03] B分支代码提交 2 files changed, 3 insertions(+), 3 deletions(-)lng@DESKTOP-9TD21KL MINGW64 ~/Desk较好/jack/kaol (B)$ git push origin BEnumerating objects: 53, done.Counting objects: 100% (53/53), done.Delta compression using up to 12 threadsCompressing objects: 100% (34/34), done.Writing objects: 100% (50/50), 4.66 KiB | 2.33 MiB/s, done.Total 50 (delta 16), reused 43 (delta 12), pack-reused 0remote: Powered by GITEE.COM [GNK-6.2]remote: Create a pull request for 'B' on Gitee by visiting:remote:     https://gitee.com/lingpe/kaol/pull/new/lingpe:B...lingpe:masterTo https://gitee.com/lingpe/kaol.git * [new branch]      B -> Blng@DESKTOP-9TD21KL MINGW64 ~/Desk较好/jack/kaol (B)$ git checkout masterSwitched to branch 'master'Your branch is up to date with 'origin/master'.lng@DESKTOP-9TD21KL MINGW64 ~/Desk较好/jack/kaol (master)$ git merge BUpdating 40c0115..bdcbe03Fast-forward README.md | 2 +- main.cpp  | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-)lng@DESKTOP-9TD21KL MINGW64 ~/Desk较好/jack/kaol (master)$

push时产生冲突

lng@DESKTOP-9TD21KL MINGW64 ~/Desk较好/jack/kaol (master)$ git push origin masterTo https://gitee.com/lingpe/kaol.git ! [rejected]        master -> master (fetch first)error: failed to push some refs to 'https://gitee.com/lingpe/kaol.git'hint: Updates were rejected because the remote contains work that you dohint: not have locally. This is usually caused by another repository pushinghint: to the same ref. You may want to first integrate the remote changeshint: (e.g., 'git pull ...') before pushing again.hint: See the 'Note about fast-forwards' in 'git push --help' for details.lng@DESKTOP-9TD21KL MINGW64 ~/Desk较好/jack/kaol (master)$

2、解决冲突

接下来就是如何解决冲突

切换回B分支，然后拉取主干分支代码

lng@DESKTOP-9TD21KL MINGW64 ~/Desk较好/jack/kaol (B)$ git pull origin masterremote: Enumerating objects: 7, done.remote: Counting objects: 100% (7/7), done.remote: Compressing objects: 100% (3/3), done.remote: Total 4 (delta 1), reused 0 (delta 0), pack-reused 0Unpacking objects: 100% (4/4), 356 bytes | 178.00 KiB/s, done.From https://gitee.com/lingpe/kaol * branch            master     -> FETCH_HEAD   40c0115..ccb2626  master     -> origin/masterAuto-merging main.cppCONFLICT (content): Merge conflict in main.cppAuto-merging README.mdCONFLICT (content): Merge conflict in README.mdAutomatic merge failed; fix conflicts and then commit the result.

拉取失败，可以看到提示信息，告诉我们哪个文件产生了冲突。

直接打开main.cpp文件，可以看到有以下特殊字符，提示我们哪一行代码产生了冲突。

#include <stdio.h>#include <string.h>int main(){<<<<<<< HEAD        char data[100] = "my branch name is B";=======        char data[100] = "my branch name is A";>>>>>>> ccb26269f42245dfcbedfbf2218419c5ab7f2787        int length = strlen(data);        for(int i = 0; i < length; i++)        {                printf("%c", data[i]);        }<<<<<<< HEAD        printf("branch BBB\n");=======        printf("branch AAA\n");>>>>>>> ccb26269f42245dfcbedfbf2218419c5ab7f2787        return 0;}

直接在文件中手动解决冲突。删除文件中的特殊字符，然后根据需求修改代码。

#include <stdio.h>#include <string.h>int main(){        char data[100] = "my branch name is B and A";        int length = strlen(data);        for(int i = 0; i < length; i++)        {                printf("%c", data[i]);        }        printf("branch BBB\n");        printf("branch AAA\n");        return 0;}~

同理，对README.md，手动解决冲突。

this is BBB and AAA branch

解决完冲突后提交到B分支

lng@DESKTOP-9TD21KL MINGW64 ~/Desk较好/jack/kaol (B|MERGING)$ git add .lng@DESKTOP-9TD21KL MINGW64 ~/Desk较好/jack/kaol (B|MERGING)$ git commit -m "解决冲突"[B f30e1ea] 解决冲突lng@DESKTOP-9TD21KL MINGW64 ~/Desk较好/jack/kaol (B)$ git push origin BEnumerating objects: 10, done.Counting objects: 100% (10/10), done.Delta compression using up to 12 threadsCompressing objects: 100% (3/3), done.Writing objects: 100% (4/4), 405 bytes | 405.00 KiB/s, done.Total 4 (delta 1), reused 0 (delta 0), pack-reused 0remote: Powered by GITEE.COM [GNK-6.2]To https://gitee.com/lingpe/kaol.git   bdcbe03..f30e1ea  B -> Blng@DESKTOP-9TD21KL MINGW64 ~/Desk较好/jack/kaol (B)$

最后将B分支合并到主干，就不会产生冲突了

lng@DESKTOP-9TD21KL MINGW64 ~/Desk较好/jack/kaol (B)$ git checkout masterSwitched to branch 'master'Your branch and 'origin/master' have perged,and have 1 and 1 different commits each, respectively.  (use "git pull" to merge the remote branch into yours)lng@DESKTOP-9TD21KL MINGW64 ~/Desk较好/jack/kaol (master)$ git merge BUpdating bdcbe03..f30e1eaFast-forward README.md | 2 +- main.cpp  | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-)lng@DESKTOP-9TD21KL MINGW64 ~/Desk较好/jack/kaol (master)$ git push origin masterTotal 0 (delta 0), reused 0 (delta 0), pack-reused 0remote: Powered by GITEE.COM [GNK-6.2]To https://gitee.com/lingpe/kaol.git   ccb2626..f30e1ea  master -> masterlng@DESKTOP-9TD21KL MINGW64 ~/Desk较好/jack/kaol (master)$

至此，冲突成功解决

可以看下主干分支的代码

main.cpp

#include <stdio.h>#include <string.h>int main(){	char data[100] = "my branch name is B and A";	int length = strlen(data);		for(int i = 0; i < length; i++)	{		printf("%c", data[i]);	}		printf("branch BBB\n");	printf("branch AAA\n");	return 0;}

README.md

this is BBB and AAA branch

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