uipicker 代码断

来源：互联网发布：python 数据分析编辑：程序博客网时间：2024/05/18 04:01

// 返回显示的列数

- (NSInteger)numberOfComponentsInPickerView:(UIPickerView*)pickerView

{

return 3;

}

// 返回当前列显示的行数

- (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;

}

// 设置当前行的内容，若果行没有显示则自动释放

//- (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] ;

// }

//}