Undefined symbols for architecture x86_64:
"_OBJC_CLASS_$_QNUploadManager", referenced from:
objc-class-ref in IndividualCenterController.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
这个是因为你下的sdk没有包含模拟器的编译版本吧。
x86_64是电脑也就是模拟器的内核框架。 你换成真机就不报错了估计。