uipicker 代碼斷

// 返回顯示的列數

- (NSInteger)numberOfComponentsInPickerView:(UIPickerView*)pickerView

{

    return 3;

}

// 返回當前列顯示的行數

- (NSInteger)pickerView:(UIPickerView *)pickerView numberOfRowsInComponent:(NSInteger)component

{

// if (component==0) {

// NSMutableArray *dayarray = [datedict objectForKey:@"days"];

// return [dayarray count] ;

// }

//    else if (component==1) {

// NSMutableArray *dayarray = [datedict objectForKey:@"hours"];

// return [dayarray count] ;

// }

// else  {

// NSMutableArray *dayarray = [datedict objectForKey:@"minutes"];

// return [dayarray count] ;

// }

return
MAXINT;

}

// 設定當前行的內容，若果行沒有顯示則自動釋放

//- (NSString *)pickerView:(UIPickerView *)pickerView titleForRow:(NSInteger)row forComponent:(NSInteger)component

//{

// if (component==0) {

// NSMutableArray *dayarray = [datedict objectForKey:@"days"];

// return [dayarray objectAtIndex:row] ;

// }else 

//    if (component==1) {

// NSMutableArray *dayarray = [datedict objectForKey:@"hours"];

// return [dayarray objectAtIndex:row] ;

// }

// else  {

// NSMutableArray *dayarray = [datedict objectForKey:@"minutes"];

// return [dayarray objectAtIndex:row] ;

// }

//}