// 选择框 UIPickerView *pickerView = [[UIPickerView alloc] initWithFrame:CGRectMake(0, 100, 320, 216)];
// 显示选中框 pickerView.showsSelectionIndicator=YES;
pickerView.dataSource = self;
pickerView.delegate = self;
[self.view addSubview:pickerView];
[pickerView release];
_proTimeList = [[NSArray alloc]initWithObjects:@"1",@"2",@"3",@"4",@"5",@"6",@"7",@"8",@"9",@"10",nil];
_proTitleList = [[NSArray alloc]initWithObjects:@"1",@"2",@"3",@"4",@"5",@"6",@"7",@"8",@"9",@"10",nil
// pickerView 列数
- (NSInteger)numberOfComponentsInPickerView:(UIPickerView *)pickerView {
return 2;}
// pickerView 每列个数
- (NSInteger)pickerView:(UIPickerView *)pickerView numberOfRowsInComponent:(NSInteger)component { if (component == 0) {
return [_proTitleList count];
}
return [_proTimeList count];
}
// 每列宽度
- (CGFloat)pickerView:(UIPickerView *)pickerView widthForComponent:(NSInteger)component {
if (component == 1) {
return 40; }
return 180;}
// 返回选中的行
- (void)pickerView:(UIPickerView *)pickerView didSelectRow:(NSInteger)row inComponent:(NSInteger)component{
if (component == 0) {
_proNameStr = [_proTitleList objectAtIndex:row];
} else { _proTimeStr = [_proTimeList objectAtIndex:row];
}}
//返回当前行的内容,此处是将数组中数值添加到滚动的那个显示栏上
-(NSString*)pickerView:(UIPickerView *)pickerView titleForRow:(NSInteger)row forComponent:(NSInteger)component{
if (component == 0) {
return [_proTitleList objectAtIndex:row];
} else {
return [_proTimeList objectAtIndex:row];
}}