UIView *newView = [UIView new];
    [self.view addSubview:newView];  
    newView.m_height(50).m_width(100).m_right(10).m_top(10);

    设置父类居中前提是自己本身有宽度和高度
    UIView *newView = [UIView new]; 
    [self.view addSubview:newView]; 
    newView.m_height(50).m_width(100).m_center();   

    UIView *redView = [UIView new];  
    [self.view addSubview:redView]; 

    UIView *redView1 = [UIView new];  
    [self.view addSubview:redView1];  

    UIView *redView2 = [UIView new];  
    [self.view addSubview:redView2]; 

    UIView *redView3 = [UIView new];  
    [self.view addSubview:redView3]; 

    redView.m_left(10).m_top(10).m_size(CGSize(50,50));  

    redView1.m_equalToTop(redView).m_equalToSize(redView).m_left(redView.mm_maxX + 10); 

    redView2.m_equalToTop(redView1).m_equalToSize(redView1).m_left(redView1.mm_maxX + 10); 

    redView3.m_equalToTop(redView2).m_equalToSize(redView2).m_left(redView2.mm_maxX + 10);