UIButton的常见设置

•- (void)setTitle:(NSString *)titleforState:(UIControlState)state;

Ø设置按钮的文字

•- (void)setTitleColor:(UIColor *)color forState:(UIControlState)state;

Ø设置按钮的文字颜色

•

•- (void)setImage:(UIImage *)imageforState:(UIControlState)state;

Ø设置按钮内部的小图片

•

•- (void)setBackgroundImage:(UIImage *)image forState:(UIControlState)state;

Ø设置按钮的背景图片

Ø

•设置按钮的文字字体（需要拿到按钮内部的label来设置）

Øbtn.titleLabel.font = [UIFontsystemFontOfSize:13];

•- (NSString *)titleForState:(UIControlState)state;

Ø获得按钮的文字

•

•- (UIColor*)titleColorForState:(UIControlState)state;

Ø获得按钮的文字颜色

•

•- (UIImage *)imageForState:(UIControlState)state;

Ø获得按钮内部的小图片

•

•- (UIImage *)backgroundImageForState:(UIControlState)state;

Ø获得按钮的背景图片