SWIFT苹果Mach-O的连接错误 “_OBJC_CLASS _ $ _ BFExectur”

Question

尝试使用解析与X-代码和目标C. 4个不同的错误弹出。建议？

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

您还需要添加Bolts.framework。这就是为什么你得到这些错误！ :-)