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對於慢速加載的VC，我決定刪除所有被註釋掉的多餘代碼。在這之前，我將班級中的所有代碼複製到TextEdit中並將其保存到我的桌面。然後我開始刪除無關的代碼，但由於在切割過程中混合了// and /* */，我不小心刪除了一個閉合大括號，導致整個代碼的其餘部分變綠。ios/objective-C：錯誤：連接器命令失敗，退出代碼1（使用-v查看調用）
因爲我無法立即弄清楚我已經正確剪切了哪些東西，以及是否剪切得太多，我決定從備份的textEdit文件中複製整個內容並替換類中的原始代碼 - 或者我思想。然而，因爲這樣的應用程序將不再運行，因爲它提供了以下錯誤：
Ld /Users/M/Library/Developer/Xcode/DerivedData/idaru-bwkkgfbrgtgsmffxqcifyjsoehdq/Build/Products/Debug-iphoneos/idaru.app/idaru normal armv7
cd /Users/M/Desktop/War/idaru
export IPHONEOS_DEPLOYMENT_TARGET=7.1
export PATH="/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin:/Applications/Xcode.app/Contents/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin"
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -arch armv7 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS8.1.sdk -L/Users/M/Library/Developer/Xcode/DerivedData/idaru-bwkkgfbrgtgsmffxqcifyjsoehdq/Build/Products/Debug-iphoneos -F/Users/M/Library/Developer/Xcode/DerivedData/idaru-bwkkgfbrgtgsmffxqcifyjsoehdq/Build/Products/Debug-iphoneos -filelist /Users/M/Library/Developer/Xcode/DerivedData/idaru-bwkkgfbrgtgsmffxqcifyjsoehdq/Build/Intermediates/idaru.build/Debug-iphoneos/idaru.build/Objects-normal/armv7/idaru.LinkFileList -Xlinker -rpath -Xlinker @executable_path/Frameworks -dead_strip -fobjc-arc -fobjc-link-runtime -miphoneos-version-min=7.1 -framework MessageUI -framework SystemConfiguration -framework CoreLocation -framework MapKit -framework Social -framework AddressBook -framework Accounts -framework CoreGraphics -framework QuartzCore -framework CoreData -Xlinker -dependency_info -Xlinker /Users/M/Library/Developer/Xcode/DerivedData/idaru-bwkkgfbrgtgsmffxqcifyjsoehdq/Build/Intermediates/idaru.build/Debug-iphoneos/idaru.build/Objects-normal/armv7/idaru_dependency_info.dat -o /Users/M/Library/Developer/Xcode/DerivedData/idaru-bwkkgfbrgtgsmffxqcifyjsoehdq/Build/Products/Debug-iphoneos/idaru.app/idaru
duplicate symbol _OBJC_IVAR_$_SettingsVC._reportProblemRow in:
/Users/M/Library/Developer/Xcode/DerivedData/idaru-bwkkgfbrgtgsmffxqcifyjsoehdq/Build/Intermediates/idaru.build/Debug-iphoneos/idaru.build/Objects-normal/armv7/SettingsVC.o
/Users/M/Library/Developer/Xcode/DerivedData/idaru-bwkkgfbrgtgsmffxqcifyjsoehdq/Build/Intermediates/idaru.build/Debug-iphoneos/idaru.build/Objects-normal/armv7/IDSettings.o
duplicate symbol _OBJC_IVAR_$_SettingsVC._profilePic in:
/Users/M/Library/Developer/Xcode/DerivedData/idaru-bwkkgfbrgtgsmffxqcifyjsoehdq/Build/Intermediates/idaru.build/Debug-iphoneos/idaru.build/Objects-normal/armv7/SettingsVC.o
/Users/M/Library/Developer/Xcode/DerivedData/idaru-bwkkgfbrgtgsmffxqcifyjsoehdq/Build/Intermediates/idaru.build/Debug-iphoneos/idaru.build/Objects-normal/armv7/IDSettings.o
duplicate symbol _OBJC_IVAR_$_SettingsVC._pushNotification in:
/Users/M/Library/Developer/Xcode/DerivedData/idaru-bwkkgfbrgtgsmffxqcifyjsoehdq/Build/Intermediates/idaru.build/Debug-iphoneos/idaru.build/Objects-normal/armv7/SettingsVC.o
/Users/M/Library/Developer/Xcode/DerivedData/idaru-bwkkgfbrgtgsmffxqcifyjsoehdq/Build/Intermediates/idaru.build/Debug-iphoneos/idaru.build/Objects-normal/armv7/IDSettings.o
duplicate symbol _OBJC_IVAR_$_SettingsVC._emailNotification in:
/Users/M/Library/Developer/Xcode/DerivedData/idaru-bwkkgfbrgtgsmffxqcifyjsoehdq/Build/Intermediates/idaru.build/Debug-iphoneos/idaru.build/Objects-normal/armv7/SettingsVC.o
/Users/M/Library/Developer/Xcode/DerivedData/idaru-bwkkgfbrgtgsmffxqcifyjsoehdq/Build/Intermediates/idaru.build/Debug-iphoneos/idaru.build/Objects-normal/armv7/IDSettings.o
duplicate symbol _OBJC_IVAR_$_SettingsVC._pushChanged in:
/Users/M/Library/Developer/Xcode/DerivedData/idaru-bwkkgfbrgtgsmffxqcifyjsoehdq/Build/Intermediates/idaru.build/Debug-iphoneos/idaru.build/Objects-normal/armv7/SettingsVC.o
/Users/M/Library/Developer/Xcode/DerivedData/idaru-bwkkgfbrgtgsmffxqcifyjsoehdq/Build/Intermediates/idaru.build/Debug-iphoneos/idaru.build/Objects-normal/armv7/IDSettings.o
duplicate symbol _OBJC_IVAR_$_SettingsVC._emailNotificationChanged in:
/Users/M/Library/Developer/Xcode/DerivedData/idaru-bwkkgfbrgtgsmffxqcifyjsoehdq/Build/Intermediates/idaru.build/Debug-iphoneos/idaru.build/Objects-normal/armv7/SettingsVC.o
/Users/M/Library/Developer/Xcode/DerivedData/idaru-bwkkgfbrgtgsmffxqcifyjsoehdq/Build/Intermediates/idaru.build/Debug-iphoneos/idaru.build/Objects-normal/armv7/IDSettings.o
duplicate symbol _OBJC_IVAR_$_SettingsVC._demo in:
/Users/M/Library/Developer/Xcode/DerivedData/idaru-bwkkgfbrgtgsmffxqcifyjsoehdq/Build/Intermediates/idaru.build/Debug-iphoneos/idaru.build/Objects-normal/armv7/SettingsVC.o
/Users/M/Library/Developer/Xcode/DerivedData/idaru-bwkkgfbrgtgsmffxqcifyjsoehdq/Build/Intermediates/idaru.build/Debug-iphoneos/idaru.build/Objects-normal/armv7/IDSettings.o
duplicate symbol _OBJC_IVAR_$_SettingsVC._managedObjectContext in:
/Users/M/Library/Developer/Xcode/DerivedData/idaru-bwkkgfbrgtgsmffxqcifyjsoehdq/Build/Intermediates/idaru.build/Debug-iphoneos/idaru.build/Objects-normal/armv7/SettingsVC.o
/Users/M/Library/Developer/Xcode/DerivedData/idaru-bwkkgfbrgtgsmffxqcifyjsoehdq/Build/Intermediates/idaru.build/Debug-iphoneos/idaru.build/Objects-normal/armv7/IDSettings.o
duplicate symbol _OBJC_CLASS_$_SettingsVC in:
/Users/M/Library/Developer/Xcode/DerivedData/idaru-bwkkgfbrgtgsmffxqcifyjsoehdq/Build/Intermediates/idaru.build/Debug-iphoneos/idaru.build/Objects-normal/armv7/SettingsVC.o
/Users/M/Library/Developer/Xcode/DerivedData/idaru-bwkkgfbrgtgsmffxqcifyjsoehdq/Build/Intermediates/idaru.build/Debug-iphoneos/idaru.build/Objects-normal/armv7/IDSettings.o
duplicate symbol _OBJC_METACLASS_$_SettingsVC in:
/Users/M/Library/Developer/Xcode/DerivedData/idaru-bwkkgfbrgtgsmffxqcifyjsoehdq/Build/Intermediates/idaru.build/Debug-iphoneos/idaru.build/Objects-normal/armv7/SettingsVC.o
/Users/M/Library/Developer/Xcode/DerivedData/idaru-bwkkgfbrgtgsmffxqcifyjsoehdq/Build/Intermediates/idaru.build/Debug-iphoneos/idaru.build/Objects-normal/armv7/IDSettings.o
ld: 10 duplicate symbols for architecture armv7
clang: error: linker command failed with exit code 1 (use -v to see invocation)
這是新的給我，我想不出該怎麼辦。我從textEdit複製的文件的名稱是SettingsVC。項目中還有另一個名爲IDSettings的文件，它做了一些不同的事情，但是我沒有做任何事情。
導航器窗格中沒有紅色圖像文件。但是，儘管我讀過這個xctest文件，但它並不常見。
希望有關如何解決此問題的任何建議。
一段時間以來，SettingsVC和IDSettings中都有相同的變量。你不能在不同的VC中使用相同的變量名嗎？爲什麼這會突然成爲一個問題呢？ – user1904273
如果在類，結構或枚舉的範圍內聲明它們，則可以。但不在相同的範圍內，例如在任何類，結構或枚舉之外。 – vadian
您的回答指出我的問題。我將代碼粘貼到錯誤的文件中，因此我最終在不同的文件中創建了兩個相同代碼的副本。感謝天堂的備份。 – user1904273