景树园

摘要： #import//定义两个常量，用来表示2个组件#define PickerOne 0#define PickerTwo 1//添加UIPickerView的委托方法和数据源方法@interface DoublePickerViewViewController : UIViewController{ //定义输出口，字典，数组 UIPickerView *picker; NSDictionary *zidian; NSArray *city; NSArray *zips;}@property (nonatomic ,retain) IBOutlet UIPicke... 阅读全文