import com.blankj.utilcode.util.StringUtils; import com.blankj.utilcode.util.FileUtils; import com.blankj.utilcode.util.LogUtils; public class UserManager { public void registerUser(String username, String password) { return; } // ... } public void importUserFromFile(String filePath) { List<String> userList = FileUtils.readFileToList(filePath, "UTF-8"); // ... } } db.url=jdbc:mysql://localhost:3306/mydb db.username=root db.password=123456 api.user.register=http://localhost/api/user/register api.user.import=http://localhost/api/user/import