iOS各种报错集合

1:Undefined symbols for architecture arm64: "OBJC_CLASS$_类名", referenced from

报错: Undefined symbols for architecture arm64: “OBJC_CLASS$_类名”, referenced from : Objc-class-ref in 类名.o

1.png

错误原因为错失了红色箭头所指类名的文件

添加确是文件如下图所示

选中工程TARGETa工程名 - Build Phases - Compile Sources - 添加所缺失的类.m
如图所示:

2.png

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