错误:Apple Mach-O链接器(Id)警告

Question

在我的应用程序中,我一直在努力导入和导出数据库.

我导入了一些此功能所需的文件,但是当我尝试在模拟器中运行应用程序时,会出现下面列出的错误.我无法理解这些类型的错误.所以PLZ帮我解决了这个问题.

Undefined symbols for architecture i386:
  "_inflateInit2_", referenced from:
      -[NSData(NSDataExtension) gzipInflate] in NSData+CocoaDevUsersAdditions.o
  "_inflate", referenced from:
      -[NSData(NSDataExtension) gzipInflate] in NSData+CocoaDevUsersAdditions.o
  "_inflateEnd", referenced from:
      -[NSData(NSDataExtension) gzipInflate] in NSData+CocoaDevUsersAdditions.o
  "_deflateInit2_", referenced from:
      -[NSData(NSDataExtension) gzipDeflate] in NSData+CocoaDevUsersAdditions.o
  "_deflate", referenced from:
      -[NSData(NSDataExtension) gzipDeflate] in NSData+CocoaDevUsersAdditions.o
  "_deflateEnd", referenced from:
      -[NSData(NSDataExtension) gzipDeflate] in NSData+CocoaDevUsersAdditions.o
ld: symbol(s) not found for architecture i386
collect2: ld returned 1 exit status

Answer 1

您没有包含这些函数所在的libz.tbd.选择项目节点,选择目标,转到Build Phases选项卡,展开"Link Libaries With Libraries",添加libz.dylib,然后重试.