-(CGRect)frame{
return CGRectMake(self.frame.origin.x,self.frame.origin.y,self.frame.size.width,self.frame.size.height);
}
-(CGRect)bounds{
return CGRectMake(0,0,self.frame.size.width,self.frame.size.height);
frame:该view在父view坐标系统中的位置和大小
bounds:该view在本地坐标系统的位置和大小
Reference: blog.csdn.net/zbsbjc/arti…