19
1
3
994
0
http://blog.csdn.net/rhljiayou/article/details/9919713
一成榜、按鈕具有的屬性: @property(nonatomic,readonly)UIButtonType buttonType; //按鈕形狀類...
https://segmentfault.com/q/1010000007244564/a-1020000007295954