获取Apple Mach-o错误

Question

我是iOS的新手，在通过SQLite保存和检索数据时，我得到了Apple Mach-o错误(8个错误)。我已经将构建设置设置为搜索库路径，但它为空。我已经添加了libz.dylib和libsqlite3库。

Undefined symbols for architecture i386:
  "_sqlite3_close", referenced from:
      -[ViewController viewDidLoad] in ViewController.o
      -[ViewController saveData:] in ViewController.o
      -[ViewController findData:] in ViewController.o
  "_sqlite3_column_text", referenced from:
      -[ViewController findData:] in ViewController.o
  "_sqlite3_exec", referenced from:
      -[ViewController viewDidLoad] in ViewController.o
  "_sqlite3_finalize", referenced from:
      -[ViewController saveData:] in ViewController.o
      -[ViewController findData:] in ViewController.o
  "_sqlite3_open", referenced from:
      -[ViewController viewDidLoad] in ViewController.o
      -[ViewController saveData:] in ViewController.o
      -[ViewController findData:] in ViewController.o
  "_sqlite3_prepare_v2", referenced from:
      -[ViewController saveData:] in ViewController.o
      -[ViewController findData:] in ViewController.o
  "_sqlite3_step", referenced from:
      -[ViewController saveData:] in ViewController.o
      -[ViewController findData:] in ViewController.o
ld: symbol(s) not found for architecture i386
clang: error: linker command failed with exit code 1 (use -v to see invocation)

Answer 1

你还没有链接到sqlite库中(如果你认为你已经链接了，那么你就做错了)。