SWIFT蘋果Mach-O的連接錯誤 「_OBJC_CLASS _ $ _ BFExectur」

Question

嘗試使用解析與X-代碼和目標C. 4個不同的錯誤彈出。建議？

Undefined symbols for architecture x86_64: 
    "_OBJC_CLASS_$_BFExecutor", referenced from: 
    objc-class-ref in Parse(BFTask+Private.o) 
    l_OBJC_$_CATEGORY_BFExecutor_$_Background in Parse(BFTask+Private.o) 
    "_OBJC_CLASS_$_BFTask", referenced from: 
    objc-class-ref in Parse(PSObject.o) 
    objc-class-ref in Parse(PFFile.o) 
    objc-class-ref in Parse(PFNetworkCommandRunner.o) 
    objc-class-ref in Parse(PFQuery.o) 
    objc-class-ref in Parse(PFRetryingCommandRunner.o) 
    objc-class-ref in Parse(PFTaskQueue.o) 
    objc-class-ref in Parse(PFUser.o) 
    ... 
    "_OBJC_CLASS_$_BFTaskCompletionSource", referenced from: 
    objc-class-ref in Parse(PFObject.o) 
    objc-class-ref in Parse(PFCommandCache.o) 
    objc-class-ref in Parse(PFFile.o) 
    objc-class-ref in Parse(PFNetworkCommandRunner.o) 
    objc-class-ref in Parse(BFTask+Private.o) 
ld: symbol(s) not found for architecture x86_64 
clang: error: linker command failed with exit code 1 (use -v to see invocation) 

Answer 1

您還需要添加Bolts.framework。這就是爲什麼你得到這些錯誤！ :-)