https://github.com/k373379320/ZBPercentWaterView



//创建 支持xib创建,init,initWithFrame;
self.percentView = [[ZBPercentWaterView alloc] initWithFrame:CGRectMake(100, 100, 200, 200)];
[self.view addSubview:self.percentView];

//设置进度:
[self.percentView setupProgress:(arc4random()0)/100.00];

//具体细节:

static CGFloat kWaterViewMaxHeight = 200;
static CGFloat kShowLaberFont = 72;
@property (assign, nonatomic) CGFloat lineWidth;
@property (assign, nonatomic) CGFloat topLineWidth;