Undefined symbols for architecture i386或者armv7: 「_OBJC_CLASS_$_XXX

Undefined symbols for architecture i386: 「_OBJC_CLASS_$_XXX」,  referen ced from: objc-class-ref in XXX ld: symbol(s) not found for architecture i386ios clang: error: linker command failed with exit co

>>阅读原文<<