解决swift工程中引入fmdb模块并创建桥接文件后仍然报错问题：
原因是缺少libsqlite3.dylib
Build Phases 中添加libsqlite3.dylib
Undefined symbols for architecture x86_64:
"_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:
-[FMResultSet doubleForColumnIndex:] in FMResultSet.o
"_sqlite3_column_int", referenced from:
-[FMResultSet intForColumnIndex:] in FMResultSet.o
"_sqlite3_column_int64", referenced from:
-[FMResultSet longForColumnIndex:] in FMResultSet.o
-[FMResultSet longLongIntForColumnIndex:] in FMResultSet.o
"_sqlite3_column_name", referenced from:
-[FMResultSet columnNameToIndexMap] in FMResultSet.o
-[FMResultSet kvcMagic:] in FMResultSet.o
-[FMResultSet resultDictionary] in FMResultSet.o
-[FMResultSet columnNameForIndex:] in FMResultSet.o
"_sqlite3_column_text", referenced from:
-[FMResultSet kvcMagic:] in FMResultSet.o
-[FMResultSet stringForColumnIndex:] in FMResultSet.o
-[FMResultSet UTF8StringForColumnIndex:] in FMResultSet.o
"_sqlite3_column_type", referenced from:
-[FMResultSet stringForColumnIndex:] in FMResultSet.o
-[FMResultSet dateForColumnIndex:] in FMResultSet.o
-[FMResultSet dataForColumnIndex:] in FMResultSet.o
-[FMResultSet dataNoCopyForColumnIndex:] in FMResultSet.o
-[FMResultSet columnIndexIsNull:] in FMResultSet.o
-[FMResultSet UTF8StringForColumnIndex:] in FMResultSet.o
-[FMResultSet objectForColumnIndex:] in FMResultSet.o
...
"_sqlite3_create_function", referenced from:
-[FMDatabase makeFunctionNamed:maximumArguments:withBlock:] in FMDatabase.o
"_sqlite3_data_count", referenced from:
-[FMResultSet resultDict] in FMResultSet.o
-[FMResultSet resultDictionary] in FMResultSet.o
"_sqlite3_errcode", referenced from:
-[FMDatabase lastErrorCode] in FMDatabase.o
-[FMDatabase errorWithMessage:] in FMDatabase.o
-[FMResultSet hasAnotherRow] in FMResultSet.o
"_sqlite3_errmsg", referenced from:
-[FMDatabase lastErrorMessage] in FMDatabase.o
-[FMDatabase executeUpdate:error:withArgumentsInArray:orDictionary:orVAList:] in FMDatabase.o
-[FMResultSet nextWithError:] in FMResultSet.o
"_sqlite3_exec", referenced from:
-[FMDatabase executeStatements:withResultBlock:] in FMDatabase.o
"_sqlite3_finalize", referenced from:
-[FMDatabase close] in FMDatabase.o
-[FMDatabase executeQuery:withArgumentsInArray:orDictionary:orVAList:] in FMDatabase.o
-[FMDatabase executeUpdate:error:withArgumentsInArray:orDictionary:orVAList:] in FMDatabase.o
-[FMStatement close] in FMDatabase.o
-[FMDatabase(FMDatabaseAdditions) validateSQL:error:] in FMDatabaseAdditions.o
"_sqlite3_free", referenced from:
-[FMDatabase executeStatements:withResultBlock:] in FMDatabase.o
"_sqlite3_last_insert_rowid", referenced from:
-[FMDatabase lastInsertRowId] in FMDatabase.o
"_sqlite3_libversion", referenced from:
+[FMDatabase sqliteLibVersion] in FMDatabase.o
"_sqlite3_next_stmt", referenced from:
-[FMDatabase close] in FMDatabase.o
"_sqlite3_open", referenced from:
-[FMDatabase open] in FMDatabase.o
"_sqlite3_open_v2", referenced from:
-[FMDatabase openWithFlags:vfs:] in FMDatabase.o
"_sqlite3_prepare_v2", referenced from:
-[FMDatabase executeQuery:withArgumentsInArray:orDictionary:orVAList:] in FMDatabase.o
-[FMDatabase executeUpdate:error:withArgumentsInArray:orDictionary:orVAList:] in FMDatabase.o
-[FMDatabase(FMDatabaseAdditions) validateSQL:error:] in FMDatabaseAdditions.o
"_sqlite3_reset", referenced from:
-[FMDatabase executeUpdate:error:withArgumentsInArray:orDictionary:orVAList:] in FMDatabase.o
-[FMStatement reset] in FMDatabase.o
"_sqlite3_sleep", referenced from:
_FMDBDatabaseBusyHandler in FMDatabase.o
"_sqlite3_step", referenced from:
-[FMDatabase executeUpdate:error:withArgumentsInArray:orDictionary:orVAList:] in FMDatabase.o
-[FMResultSet nextWithError:] in FMResultSet.o
"_sqlite3_threadsafe", referenced from:
-[FMDatabase initWithPath:] in FMDatabase.o
+[FMDatabase isSQLiteThreadSafe] in FMDatabase.o
"_sqlite3_user_data", referenced from:
_FMDBBlockSQLiteCallBackFunction in FMDatabase.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)