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我正在使用 Xcode 7 和 iOS 9 创建一个简单的应用程序，它保存数据并使用 sqllite3 检索数据。但是，在使用从 github 检索到的 libsqlite3.dylib 库和 FMDB 构建应用程序时，我收到以下错误消息。

Undefined symbols for architecture i386:
  "_sqlite3_bind_blob", referenced from:
      -[FMDatabase bindObject:toColumn:inStatement:] in FMDatabase.o
  "_sqlite3_bind_double", referenced from:
      -[FMDatabase bindObject:toColumn:inStatement:] in FMDatabase.o
  "_sqlite3_bind_int", referenced from:
      -[FMDatabase bindObject:toColumn:inStatement:] in FMDatabase.o
  "_sqlite3_bind_int64", referenced from:
      -[FMDatabase bindObject:toColumn:inStatement:] in FMDatabase.o
  "_sqlite3_bind_null", referenced from:
      -[FMDatabase bindObject:toColumn:inStatement:] in FMDatabase.o
  "_sqlite3_bind_parameter_count", referenced from:
      -[FMDatabase executeQuery:withArgumentsInArray:orDictionary:orVAList:] in FMDatabase.o
      -[FMDatabase executeUpdate:error:withArgumentsInArray:orDictionary:orVAList:] in FMDatabase.o
  "_sqlite3_bind_parameter_index", referenced from:
      -[FMDatabase executeQuery:withArgumentsInArray:orDictionary:orVAList:] in FMDatabase.o
      -[FMDatabase executeUpdate:error:withArgumentsInArray:orDictionary:orVAList:] in FMDatabase.o
  "_sqlite3_bind_text", referenced from:
      -[FMDatabase bindObject:toColumn:inStatement:] in FMDatabase.o
  "_sqlite3_busy_handler", referenced from:
      -[FMDatabase setMaxBusyRetryTimeInterval:] in FMDatabase.o
  "_sqlite3_changes", referenced from:
      -[FMDatabase changes] in FMDatabase.o
  "_sqlite3_close", referenced from:
      -[FMDatabase close] in FMDatabase.o
  "_sqlite3_column_blob", referenced from:
      -[FMResultSet dataForColumnIndex:] in FMResultSet.o
      -[FMResultSet dataNoCopyForColumnIndex:] in FMResultSet.o
  "_sqlite3_column_bytes", referenced from:
      -[FMResultSet dataForColumnIndex:] in FMResultSet.o
      -[FMResultSet dataNoCopyForColumnIndex:] in FMResultSet.o
  "_sqlite3_column_count", referenced from:
      -[FMResultSet columnCount] in FMResultSet.o
      -[FMResultSet columnNameToIndexMap] in FMResultSet.o
      -[FMResultSet kvcMagic:] in FMResultSet.o
      -[FMResultSet resultDictionary] in FMResultSet.o
  "_sqlite3_column_double", referenced from:

我四处寻找后让自己发疯，但找不到任何解决方案。请建议。提前致谢。

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2 回答 2

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检查是否在 Build Phases 的 Link Binary with Libraries 部分中添加了 libsqlite3.dylib

在此处输入图像描述

于 2015-07-12T17:33:19.870 回答
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看起来您的项目没有链接到 libsqlite3。仔细检查它是否链接到它，如果是，则可能将其添加为链接器标志。

于 2015-07-12T17:10:32.420 回答