#import "GGCustomStepper.h"

stepper.textFont = [UIFont systemFontOfSize:15]; // 文本字号
stepper.textColor = [UIColor redColor];          // 文本颜色
stepper.amountLabelScale = 0.4;                  // 文本label宽度与整个控件宽的比例，默认0.4
stepper.lineColor = [UIColor blueColor];         // 边线，分割线颜色
stepper.lineWidth = 1;                           // 边线，分割线宽度，默认0.5

// 统一设置字号，字体颜色方法
// [stepper setTextFont:[UIFont systemFontOfSize:15] textColor:[UIColor redColor]];

// 设置按钮背景图
[stepper setBackgroundImage:[UIImage imageNamed:@""] forState:UIControlStateNormal];
// 设置按钮纯色背景图
[stepper setBackgroundImageWithColor:[UIColor greenColor] forState:UIControlStateNormal];

// 设置加量按钮图片
[stepper setIncrementImage:[UIImage imageNamed:@"btn_add_d"] forState:UIControlStateNormal];
[stepper setDecrementImage:[UIImage imageNamed:@"btn_jian_d"] forState:UIControlStateNormal];

stepper.autorepeat = YES;  // 长按是否连续改变值，默认YES
stepper.minimumValue = 10; // 最小值，默认0.0
stepper.maximumValue = 20; // 最大值，默认100.0
stepper.stepValue = 2;     // 步幅，默认1.0
stepper.value = 5;         // 值，默认0.0

stepper.delegate = self;

- (void)customStepper:(GGCustomStepper *)customStepper changeValue:(double)newValue oldValue:(double)oldValue {
NSLog(@"delegate:oldValue--%.0f, newValue--%.0f", oldValue, newValue);
}

stepper.valueChange = ^(double oldValue, double newValue) {
    NSLog(@"block:oldValue--%.0f, newValue--%.0f", oldValue, newValue);
};