JAVA高级面试进阶训练营视频教程

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报错内容显示如下：

ld: warning: ignoring file /Users/rowling/Library/Developer/Xcode/DerivedData/zhinengbangongpingtai-gylhkhpyjmmjkagiimejuaduiboa/Build/Products/Debug-iphonesimulator/libsqlcipher.a, file was built for archive which is not the architecture being linked (i386): /Users/rowling/Library/Developer/Xcode/DerivedData/zhinengbangongpingtai-gylhkhpyjmmjkagiimejuaduiboa/Build/Products/Debug-iphonesimulator/libsqlcipher.a
Undefined symbols for architecture i386:
  "_sqlite3_key", referenced from:
      -[FMDatabase setKeyWithData:] in FMDatabase.o
  "_sqlite3_rekey", referenced from:
      -[FMDatabase rekeyWithData:] in FMDatabase.o
ld: symbol(s) not found for architecture i386

clang: error: linker command failed with exit code 1 (use -v to see invocation)

 

解决方法1：

Change the  Buid setting ---> Architecture ---> Build Active Architecture only --->  Yes 来

源： http://stackoverflow.com/questions/20073146/mach-o-linker-error-xcode-5

 

解决方法2：

建立的XIB或者Storyboard中的控件连线没拉好，重新拉