Ios SWIFT Apple Mach-O连接器错误“_OBJC“U类”“U$U BFExectur”；

尝试将解析与X代码和目标C一起使用。会弹出4个不同的错误。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)

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您还需要添加Bolts.framework。这就是为什么会出现这些错误！：-）

将Bolts.framework添加到项目中…可能Bolts框架fat二进制文件不包括x86_64（64位）可执行文件。@JoshuaArcher Bolts框架与Parse SDK位于同一个包中。只要看看下载文件夹，你就会找到它。