一、Undefined symbols for architecture x86_64:code
详情:blog
Undefined symbols for architecture x86_64:it
"_OBJC_CLASS_$_LHBCommentViewController", referenced from:io
objc-class-ref in LHBWordViewController.oclass
ld: symbol(s) not found for architecture x86_64command
clang: error: linker command failed with exit code 1 (use -v to see invocation)im
解决方案:把报错的那个类.m加进去error