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Swift Xcode错误:Apple Mach-O链接器错误

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Undefined symbols for architecture x86_64:
"_OBJC_CLASS_$_PFLogInViewController", referenced from:
  __TMaCSo21PFLogInViewController in ViewController.o
"_OBJC_CLASS_$_PFSignUpViewController", referenced from:
  __TMaCSo22PFSignUpViewController in ViewController.o
"_OBJC_CLASS_$_PFUser", referenced from:
  __TMaCSo6PFUser in LoginViewController.o
  __TMaCSo6PFUser in ViewController.o
  __TMaCSo6PFUser in signUpViewController.o
"_OBJC_CLASS_$_Parse", referenced from:
  __TMaCSo5Parse in AppDelegate.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)

我有来自1)“_ OBJC_CLASS _ $ _ PFLogInViewController”的Apple Mach-O链接器错误,引用自:2)“_ OBJC_CLASS _ $ _ PFSignUpViewController”,引自:3)“_ OBJC_CLASS _ $ _ PFUser”,引自:4)“_ OBJC_CLASS _ $ _ Parse “,引自:5)链接器命令失败,退出代码为1(使用-v查看调用)

我可以知道什么是Apple Mach-O链接器错误以及解决此错误的方法吗?

1 回答

  • 0

    清理构建您的项目 . 重建 .

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