菜鸟求教，刚接触xcode没几天这链接错误不知道咋整

Question

GameProject /proj.ios_mac/jftSDK3.0/JftMergeSDK.framework/JftMergeSDK (2 slices)
Undefined symbols for architecture x86_64:
  "_OBJC_CLASS_$_JfPay", referenced from:
      objc-class-ref in JFTPay.o
      objc-class-ref in AppController.o
  "_OBJC_CLASS_$_PayReq", referenced from:
      objc-class-ref in WeChatSDK(HYMergePayManager.o)
  "_OBJC_CLASS_$_SendAuthReq", referenced from:
      objc-class-ref in libSocialWechat.a(UMSocialWechatHandler.o)
  "_OBJC_CLASS_$_SendAuthResp", referenced from:
      objc-class-ref in libSocialWechat.a(UMSocialWechatHandler.o)
  "_OBJC_CLASS_$_SendMessageToWXReq", referenced from:
      objc-class-ref in libSocialWechat.a(UMSocialWechatHandler.o)
  "_OBJC_CLASS_$_SendMessageToWXResp", referenced from:
      objc-class-ref in libSocialWechat.a(UMSocialWechatHandler.o)
  "_OBJC_CLASS_$_WXApi", referenced from:
      objc-class-ref in libSocialWechat.a(UMSocialWechatHandler.o)
      objc-class-ref in WeChatSDK(HYMergePayManager.o)
  "_OBJC_CLASS_$_WXAppExtendObject", referenced from:
      objc-class-ref in libSocialWechat.a(UMSocialWechatHandler.o)
  "_OBJC_CLASS_$_WXEmoticonObject", referenced from:
      objc-class-ref in libSocialWechat.a(UMSocialWechatHandler.o)
  "_OBJC_CLASS_$_WXImageObject", referenced from:
      objc-class-ref in libSocialWechat.a(UMSocialWechatHandler.o)
  "_OBJC_CLASS_$_WXMediaMessage", referenced from:
      objc-class-ref in libSocialWechat.a(UMSocialWechatHandler.o)
  "_OBJC_CLASS_$_WXMusicObject", referenced from:
      objc-class-ref in libSocialWechat.a(UMSocialWechatHandler.o)
  "_OBJC_CLASS_$_WXVideoObject", referenced from:
      objc-class-ref in libSocialWechat.a(UMSocialWechatHandler.o)
  "_OBJC_CLASS_$_WXWebpageObject", referenced from:
      objc-class-ref in libSocialWechat.a(UMSocialWechatHandler.o)
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)

Answer 1

not found for architecture x86_64，就是你的那个库文件不支持这个