Mansory等间距布局

// 等间距的Masory布局
    // 指定的间距
    CGFloat padding = (self.frame.size.width - 3 * modeIconSize.width) / 4;
    [@[self.windSpeedBtn,self.changeModeBtn,self.setTimeBtn] mas_distributeViewsAlongAxis:MASAxisTypeHorizontal withFixedItemLength:@"控件宽度" leadSpacing:padding tailSpacing:padding];
    [@[self.windSpeedBtn,self.changeModeBtn,self.setTimeBtn] mas_makeConstraints:^(MASConstraintMaker *make) {
        make.centerY.equalTo(self.mas_centerY);
        make.height.equalTo(modeIconSize.height);
    }];

// 详细的参考资料见：http://blog.sina.com.cn/s/blog_1666f31db0102wz7m.html