pod 'PGPickerView', '>= 1.2.1'

PGPickerView *pickerView = [[PGPickerView alloc]initWithFrame:self.view.bounds];
pickerView.delegate = self;
pickerView.dataSource = self;
[self.view addSubview:pickerView];

#pragma PGPickerViewDataSource
- (NSInteger)numberOfComponentsInPickerView:(PGPickerView *)pickerView {
    return 2;
}

- (NSInteger)pickerView:(PGPickerView *)pickerView numberOfRowsInComponent:(NSInteger)component {
    return 10;
}
#pragma  PGPickerViewDelegate
- (nullable NSString *)pickerView:(PGPickerView *)pickerView titleForRow:(NSInteger)row forComponent:(NSInteger)component {
    return [NSString stringWithFormat:@"label%ld--%ld", component, row];
}

//设置线条的颜色
pickerView.lineBackgroundColor = [UIColor redColor];
//设置选中行的字体颜色
pickerView.textColorOfSelectedRow = [UIColor blueColor];
//设置未选中行的字体颜色
pickerView.textColorOfOtherRow = [UIColor blackColor];