错误如下:
Undefined symbols for architecture i386: "_sqlite3_close", referenced from: -[DatabaseOperation closeDatabase] in DatabaseOperation.o "_sqlite3_exec", referenced from: -[DatabaseOperation createTable:] in DatabaseOperation.o -[DatabaseOperation InsertTable:] in DatabaseOperation.o -[DatabaseOperation UpdataTable:] in DatabaseOperation.o -[DatabaseOperation querryTableByCallBack:] in DatabaseOperation.o "_sqlite3_get_table", referenced from: -[DatabaseOperation querryTable:] in DatabaseOperation.o "_sqlite3_open", referenced from: -[DatabaseOperation openOrCreateDatabase:] in DatabaseOperation.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：targets——>build phases——>link binary with libraries——> libslite3.0.dylib
