设置button上的label距离四个边的距离

设置button上的label距离四个边的距离

    UIEdgeInsets insets;

    insets.top = 10;

    insets.bottom = 10;

    insets.left = 0;

    insets.right = 0;(0：表示不设置距离左右边界的距离)

    label.titleEdgeInsets = insets;

    [label.titleLabel.font fontWithSize:24];