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p19 hard,soft以及mixed参数对比

p20 永久删除后文件找回

p21 添加到暂存区的删除文件找回

Administrator@F4HFJA67XY3IIM1 MINGW64 /c/gitExercise/weChat (master)$ ll -ltotal 1-rw-r--r-- 1 Administrator 197121 98  9月 14 19:22 good.txtAdministrator@F4HFJA67XY3IIM1 MINGW64 /c/gitExercise/weChat (master)$ vim apple.txtAdministrator@F4HFJA67XY3IIM1 MINGW64 /c/gitExercise/weChat (master)$ ll -ltotal 2-rw-r--r-- 1 Administrator 197121 12  9月 14 19:23 apple.txt-rw-r--r-- 1 Administrator 197121 98  9月 14 19:22 good.txtAdministrator@F4HFJA67XY3IIM1 MINGW64 /c/gitExercise/weChat (master)$ git add apple.txtwarning: LF will be replaced by CRLF in apple.txt.The file will have its original line endings in your working directoryAdministrator@F4HFJA67XY3IIM1 MINGW64 /c/gitExercise/weChat (master)$ git commit apple.txtwarning: LF will be replaced by CRLF in apple.txt.The file will have its original line endings in your working directory[master 1eaf8cc] apple first version 1 file changed, 2 insertions(+) create mode 100644 apple.txtAdministrator@F4HFJA67XY3IIM1 MINGW64 /c/gitExercise/weChat (master)$ git reflog1eaf8cc (HEAD -> master) HEAD@{0}: commit: apple first versionc910cf5 HEAD@{1}: reset: moving to c910cf53391c9c HEAD@{2}: commit: first version8378fbc HEAD@{3}: reset: moving to HEAD~3c910cf5 HEAD@{4}: reset: moving to c910cf58378fbc HEAD@{5}: reset: moving to HEAD^^612e2b1 HEAD@{6}: reset: moving to HEAD^c910cf5 HEAD@{7}: reset: moving to c910cf5da7f613 HEAD@{8}: reset: moving to da7f613c910cf5 HEAD@{9}: commit: fourth version612e2b1 HEAD@{10}: commit: third versionda7f613 HEAD@{11}: commit: Second Version,modified8378fbc HEAD@{12}: commit (initial): My First commit new fileAdministrator@F4HFJA67XY3IIM1 MINGW64 /c/gitExercise/weChat (master)$ rm apple.txtAdministrator@F4HFJA67XY3IIM1 MINGW64 /c/gitExercise/weChat (master)$ git add apple.txtAdministrator@F4HFJA67XY3IIM1 MINGW64 /c/gitExercise/weChat (master)$ git statusOn branch masterChanges to be committed:  (use "git restore --staged 
   
    ..." to unstage)        deleted:    apple.txtAdministrator@F4HFJA67XY3IIM1 MINGW64 /c/gitExercise/weChat (master)$ git reset --hard 1eaf8ccHEAD is now at 1eaf8cc apple first versionAdministrator@F4HFJA67XY3IIM1 MINGW64 /c/gitExercise/weChat (master)$ ll -ltotal 2-rw-r--r-- 1 Administrator 197121 14  9月 14 19:24 apple.txt-rw-r--r-- 1 Administrator 197121 98  9月 14 19:22 good.txtAdministrator@F4HFJA67XY3IIM1 MINGW64 /c/gitExercise/weChat (master)$
   

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