view = UIView, UITabBarItem, UIBarButtonItem及其子类(subclass)

// 添加带文本内容的Badge, 默认右上角, 红色, 18pts
// Add Badge with text content, the default upper right corner, red backgroundColor, 18pts
[view pp_addBadgeWithText:@"99+"];

// 添加带数字的Badge, 默认右上角,红色,18pts
// Add the Badge with numbers, the default upper right corner, red backgroundColor, 18pts
[view pp_addBadgeWithNumber:1];

// 添加带颜色的小圆点, 默认右上角, 红色, 8pts
// Add small dots with color, the default upper right corner, red backgroundColor, 8pts
[view pp_addDotWithColor:nil];

/**
 设置Badge的高度,因为Badge宽度是动态可变的,通过改变Badge高度,其宽度也按比例变化,方便布局
(注意: 此方法需要将Badge添加到控件上后再调用!!!)
Set the height of Badge, because the Badge width is dynamically and  variable.By changing the Badge height in proportion to facilitate the layout.
(Note: this method needs to add Badge to the controls and then use it !!!)

 @param points 高度大小
 */
[view pp_setBadgeHeight:25];

/**
 设置Badge的偏移量, Badge中心点默认为其父视图的右上角
 Set Badge offset, Badge center point defaults to the top right corner of its parent view
 
 @param x X轴偏移量 (x<0: 左移, x>0: 右移) axis offset (x <0: left, x> 0: right)
 @param y Y轴偏移量 (y<0: 上移, y>0: 下移) axis offset ( Y <0: up, y> 0: down)
 */
[view pp_moveBadgeWithX:-7 Y:5];

/**
 设置Badge的属性
 */
[view pp_setBadgeLabelAttributes:^(PPBadgeLabel *badgeLabel) {
        badgeLabel.backgroundColor = [UIColor redColor];
        badgeLabel.font =  [UIFont systemFontOfSize:13];
        badgeLabel.textColor = [UIColor blueColor];
    }];

// 数字增加/减少, 注意:以下方法只适用于Badge内容为纯数字的情况
// Digital increase /decrease, note: the following method applies only to cases where the Badge content is purely numeric
[view pp_decrease];
[view pp_increase];