UIBezierPath*path = [UIBezierPathbezierPath];
[pathmoveToPoint:CGPointMake(150,50)];
[pathaddCurveToPoint:CGPointMake(50,150)controlPoint1:CGPointMake(50,50)controlPoint2:CGPointMake(150,150)];
[pathaddCurveToPoint:CGPointMake(150,250)controlPoint1:CGPointMake(150,150)controlPoint2:CGPointMake(50,250)];
[[UIColorredColor]setStroke];
[pathstroke];
//绘制矩形
UIBezierPath*path2 = [UIBezierPathbezierPathWithRect:CGRectMake(20,300,200,15)];
path2.lineWidth=4;
[[UIColorblueColor]setStroke];
[path2stroke];
//绘制圆角矩形
UIBezierPath*path3 = [UIBezierPathbezierPathWithRoundedRect:CGRectMake(20,330,200,150)cornerRadius:75];
[path3stroke];
//绘制椭圆
UIBezierPath*path4 = [UIBezierPathbezierPathWithOvalInRect:CGRectMake(20,330,200,150)];
[[UIColorgreenColor]setFill];
[path4fill];
