前言：   

   作為一個.NET開發者而已，有著宇宙最強IDE：Visual Studio加持，讓我們的開發效率得到了更好的提升。我們不需要擔心環境變數的配置和其他程式碼管理工具，因為VS有豐富的拓展工具。廢話不多說，直接進入正題。我們日常在使用VS開發相關的.NET專案時，經常會發現剛拉取下拉的程式碼什麼都沒有改動，就是運行了一下就會產生一些需要提交的檔案，比如說最常見的bin/Debug, bin/Release，obj/Debug，obj/Release檔案。但是我不想把這些檔案提交到遠端的git程式碼遠端倉庫中去，其實這個很簡單隻需要我們在初次建立專案的時候在專案目錄下新增一個忽略文字檔案（.gitignore），然後在使用git推送到遠端倉庫中就好了。

需要忽略提交的檔案：

配置.gitignore忽略檔案，忽略不需要提交的檔案：

新增Visual Studio的.gitgnore模板到專案中：

以下是一個.NET/.NET Core相關專案的忽略檔案模板只要是使用VisualStudio開發的專案都可以使用：

gitnore忽略檔案模板來源：https://github.com/github/gitignore/blob/master/VisualStudio.gitignore，該專案中有眾多的程式語言或IDE相關.gitgnore配置，可以下載下來直接使用。

## Ignore Visual Studio temporary files, build results, and
## files generated by popular Visual Studio add-ons.
##
## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore

# User-specific files
*.rsuser
*.suo
*.user
*.userosscache
*.sln.docstates

# User-specific files (MonoDevelop/Xamarin Studio)
*.userprefs

# Mono auto generated files
mono_crash.*

# Build results
[Dd]ebug/
[Dd]ebugPublic/
[Rr]elease/
[Rr]eleases/
x64/
x86/
[Ww][Ii][Nn]32/
[Aa][Rr][Mm]/
[Aa][Rr][Mm]64/
bld/
[Bb]in/
[Oo]bj/
[Ll]og/
[Ll]ogs/

# Visual Studio 2015/2017 cache/options directory
.vs/
# Uncomment if you have tasks that create the project's static files in wwwroot
#wwwroot/

# Visual Studio 2017 auto generated files
Generated\ Files/

# MSTest test Results
[Tt]est[Rr]esult*/
[Bb]uild[Ll]og.*

# NUnit
*.VisualState.xml
TestResult.xml
nunit-*.xml

# Build Results of an ATL Project
[Dd]ebugPS/
[Rr]eleasePS/
dlldata.c

# Benchmark Results
BenchmarkDotNet.Artifacts/

# .NET Core
project.lock.json
project.fragment.lock.json
artifacts/

# ASP.NET Scaffolding
ScaffoldingReadMe.txt

# StyleCop
StyleCopReport.xml

# Files built by Visual Studio
*_i.c
*_p.c
*_h.h
*.ilk
*.meta
*.obj
*.iobj
*.pch
*.pdb
*.ipdb
*.pgc
*.pgd
*.rsp
*.sbr
*.tlb
*.tli
*.tlh
*.tmp
*.tmp_proj
*_wpftmp.csproj
*.log
*.vspscc
*.vssscc
.builds
*.pidb
*.svclog
*.scc

# Chutzpah Test files
_Chutzpah*

# Visual C++ cache files
ipch/
*.aps
*.ncb
*.opendb
*.opensdf
*.sdf
*.cachefile
*.VC.db
*.VC.VC.opendb

# Visual Studio profiler
*.psess
*.vsp
*.vspx
*.sap

# Visual Studio Trace Files
*.e2e

# TFS 2012 Local Workspace
$tf/

# Guidance Automation Toolkit
*.gpState

# ReSharper is a .NET coding add-in
_ReSharper*/
*.[Rr]e[Ss]harper
*.DotSettings.user

# TeamCity is a build add-in
_TeamCity*

# DotCover is a Code Coverage Tool
*.dotCover

# AxoCover is a Code Coverage Tool
.axoCover/*
!.axoCover/settings.json

# Coverlet is a free, cross platform Code Coverage Tool
coverage*.json
coverage*.xml
coverage*.info

# Visual Studio code coverage results
*.coverage
*.coveragexml

# NCrunch
_NCrunch_*
.*crunch*.local.xml
nCrunchTemp_*

# MightyMoose
*.mm.*
AutoTest.Net/

# Web workbench (sass)
.sass-cache/

# Installshield output folder
[Ee]xpress/

# DocProject is a documentation generator add-in
DocProject/buildhelp/
DocProject/Help/*.HxT
DocProject/Help/*.HxC
DocProject/Help/*.hhc
DocProject/Help/*.hhk
DocProject/Help/*.hhp
DocProject/Help/Html2
DocProject/Help/html

# Click-Once directory
publish/

# Publish Web Output
*.[Pp]ublish.xml
*.azurePubxml
# Note: Comment the next line if you want to checkin your web deploy settings,
# but database connection strings (with potential passwords) will be unencrypted
*.pubxml
*.publishproj

# Microsoft Azure Web App publish settings. Comment the next line if you want to
# checkin your Azure Web App publish settings, but sensitive information contained
# in these scripts will be unencrypted
PublishScripts/

# NuGet Packages
*.nupkg
# NuGet Symbol Packages
*.snupkg
# The packages folder can be ignored because of Package Restore
**/[Pp]ackages/*
# except build/, which is used as an MSBuild target.
!**/[Pp]ackages/build/
# Uncomment if necessary however generally it will be regenerated when needed
#!**/[Pp]ackages/repositories.config
# NuGet v3's project.json files produces more ignorable files
*.nuget.props
*.nuget.targets

# Microsoft Azure Build Output
csx/
*.build.csdef

# Microsoft Azure Emulator
ecf/
rcf/

# Windows Store app package directories and files
AppPackages/
BundleArtifacts/
Package.StoreAssociation.xml
_pkginfo.txt
*.appx
*.appxbundle
*.appxupload

# Visual Studio cache files
# files ending in .cache can be ignored
*.[Cc]ache
# but keep track of directories ending in .cache
!?*.[Cc]ache/

# Others
ClientBin/
~$*
*~
*.dbmdl
*.dbproj.schemaview
*.jfm
*.pfx
*.publishsettings
orleans.codegen.cs

# Including strong name files can present a security risk
# (https://github.com/github/gitignore/pull/2483#issue-259490424)
#*.snk

# Since there are multiple workflows, uncomment next line to ignore bower_components
# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
#bower_components/

# RIA/Silverlight projects
Generated_Code/

# Backup & report files from converting an old project file
# to a newer Visual Studio version. Backup files are not needed,
# because we have git ;-)
_UpgradeReport_Files/
Backup*/
UpgradeLog*.XML
UpgradeLog*.htm
ServiceFabricBackup/
*.rptproj.bak

# SQL Server files
*.mdf
*.ldf
*.ndf

# Business Intelligence projects
*.rdl.data
*.bim.layout
*.bim_*.settings
*.rptproj.rsuser
*- [Bb]ackup.rdl
*- [Bb]ackup ([0-9]).rdl
*- [Bb]ackup ([0-9][0-9]).rdl

# Microsoft Fakes
FakesAssemblies/

# GhostDoc plugin setting file
*.GhostDoc.xml

# Node.js Tools for Visual Studio
.ntvs_analysis.dat
node_modules/

# Visual Studio 6 build log
*.plg

# Visual Studio 6 workspace options file
*.opt

# Visual Studio 6 auto-generated workspace file (contains which files were open etc.)
*.vbw

# Visual Studio LightSwitch build output
**/*.HTMLClient/GeneratedArtifacts
**/*.DesktopClient/GeneratedArtifacts
**/*.DesktopClient/ModelManifest.xml
**/*.Server/GeneratedArtifacts
**/*.Server/ModelManifest.xml
_Pvt_Extensions

# Paket dependency manager
.paket/paket.exe
paket-files/

# FAKE - F# Make
.fake/

# CodeRush personal settings
.cr/personal

# Python Tools for Visual Studio (PTVS)
__pycache__/
*.pyc

# Cake - Uncomment if you are using it
# tools/**
# !tools/packages.config

# Tabs Studio
*.tss

# Telerik's JustMock configuration file
*.jmconfig

# BizTalk build output
*.btp.cs
*.btm.cs
*.odx.cs
*.xsd.cs

# OpenCover UI analysis results
OpenCover/

# Azure Stream Analytics local run output
ASALocalRun/

# MSBuild Binary and Structured Log
*.binlog

# NVidia Nsight GPU debugger configuration file
*.nvuser

# MFractors (Xamarin productivity tool) working folder
.mfractor/

# Local History for Visual Studio
.localhistory/

# BeatPulse healthcheck temp database
healthchecksdb

# Backup folder for Package Reference Convert tool in Visual Studio 2017
MigrationBackup/

# Ionide (cross platform F# VS Code tools) working folder
.ionide/

# Fody - auto-generated XML schema
FodyWeavers.xsd

.gitignore忽略規則：

語法： 

• 以”#”號開頭表示註釋； 
• 以斜槓“/”開頭表示目錄； 
• 以星號“*”通配多個字元； 
• 以問號“?”通配單個字元 
• 以方括號“[]”包含單個字元的匹配列表； 
• 以歎號“!”表示不忽略(跟蹤)匹配到的檔案或目錄；

此外，git 對於 .ignore 配置檔案是按行從上到下進行規則匹配的，意味著如果前面的規則匹配的範圍更大，則後面的規則將不會生效； 

# 此為註釋 – 將被 Git 忽略
 
*.a       # 忽略所有 .a 結尾的檔案
!lib.a    # 但 lib.a 除外
/TODO     # 僅僅忽略專案根目錄下的 TODO 檔案，不包括 subdir/TODO
build/    # 忽略 build/ 目錄下的所有檔案
doc/*.txt # 會忽略 doc/notes.txt 但不包括 doc/server/arch.txt

該忽略規則參考地址：https://blog.csdn.net/sundna/article/details/90749495

處理已提交到遠端倉庫中的檔案：

　　我們可能在開發的時候可能一時沒有注意新增忽略檔案配置（gitignore），把這些檔案推送到遠端倉庫中，我們有以下兩種做法解決：

1、把本地這些檔案刪除再提交到遠端（前提是這些檔案是環境變數檔案，假如是無法自動生成的不推薦）。

2、使用以下git 命令：

//當我們需要刪除暫存區或分支上的檔案, 但本地又需要使用, 只是不希望這個檔案被版本控制, 可以使用
git rm -r --cached file_path（檔案路徑）  //把file_path檔案在當前分支的暫存區中刪除
git add .                               //提交當前操作本地暫存區
git commit -m 'delete remote somefile'  //提交到本地git倉庫
git push                                //提交到遠端程式碼庫

如我需要移除某個專案中的obj檔案然後提交：

該檔案路徑為：D:\開發學習-Master\我的訓練營\DailyLearning\工作&學習.Net訓練營\Application\obj　　

輸入以下命令移除相關不需要跟蹤的檔案：

git rm -r --cached Application/obj

執行成功後，檔案將從該分支中刪除（本地還會存在），最後我們提交到遠端倉庫即可。