Undefined symbols for architecture x86_64:
"_OBJC_CLASS_$_QQApiInterface", referenced from:
objc-class-ref in AppDelegate.o
"_OBJC_CLASS_$_ShareSDK", referenced from:
objc-class-ref in AppDelegate.o
objc-class-ref in RecipeDetailViewController.o
objc-class-ref in showViewController.o
objc-class-ref in video_show.o
"_OBJC_CLASS_$_TencentOAuth", referenced from:
objc-class-ref in AppDelegate.o
"_OBJC_CLASS_$_WXApi", referenced from:
objc-class-ref in AppDelegate.o
1.把1.選中Targets—>Build Settings—>Architectures。
把build active architectures only 改為 NO。
2. 把最下面的Valid Architectures中的arm64參數刪掉就可以了
或者：
雙擊Architectures，選擇other，刪除$(ARCH_STANDARD)，然后增加armv7和armv7s（寫上：$(ARCHS_STANDARD_32_BIT)）。
3.clean 再build。
結果設置如下圖：
目前設置完成后，問題順利解決，大家有更好的解決方案，歡迎討論！
參考：http://demo.netfoucs.com/banqingyang/article/details/43051671