1.在项目的工程的路径下，vim .gitignore文件。
2.在ignore文件中，编辑一下的内容。生成ignore文件的网址 生成objectIve-C的ignore文件
# Created by https://www.gitignore.io/api/objective-c
### Objective-C ###
# Xcode
#
# gitignore contributors: remember to update Global/Xcode.gitignore, Objective-C.gitignore & Swift.gitignore
## Build generated
build/
DerivedData/
## Various settings
*.pbxuser
!default.pbxuser
*.mode1v3
!default.mode1v3
*.mode2v3
!default.mode2v3
*.perspectivev3
!default.perspectivev3
xcuserdata/
## Other
*.moved-aside
*.xccheckout
*.xcscmblueprint
## Obj-C/Swift specific
*.hmap
*.ipa
*.dSYM.zip
*.dSYM
# CocoaPods - Refactored to standalone file
# Carthage - Refactored to standalone file
# fastlane
#
# It is recommended to not store the screenshots in the git repo. Instead, use fastlane to re-generate the
# screenshots whenever they are needed.
# For more information about the recommended setup visit:
# https://docs.fastlane.tools/best-practices/source-control/#source-control
fastlane/report.xml
fastlane/Preview.html
fastlane/screenshots
fastlane/test_output
# Code Injection
#
# After new code Injection tools there's a generated folder /iOSInjectionProject
# https://github.com/johnno1962/injectionforxcode
iOSInjectionProject/
### Objective-C Patch ###
### Objective-C.CocoaPods Stack ###
## CocoaPods GitIgnore Template
# CocoaPods - Only use to conserve bandwidth / Save time on Pushing
# - Also handy if you have a lage number of dependant pods
# - AS PER https://guides.cocoapods.org/using/using-cocoapods.html NEVER IGONRE THE LOCK FILE
Pods/
### Objective-C.Carthage Stack ###
# Carthage
#
# Add this line if you want to avoid checking in source code from Carthage dependencies.
# Carthage/Checkouts
Carthage/Build
# End of https://www.gitignore.io/api/objective-c
