iphone - 错误:Apple Mach-O Linker (Id) Warning

Question

在我的应用程序中，我一直致力于导入和导出数据库。

我已经导入了此功能所需的一些文件，但是当我尝试在模拟器中运行该应用程序时，会出现下面列出的错误。我不明白这些是什么类型的错误。所以请帮我解决这个问题。

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，选择您的目标，转到“构建阶段”选项卡，展开“将二进制文件与库链接”，添加 libz.dylib，然后重试。