在页面中
1 UIImage *segmentSelected = [[UIImage imageNamed:@"segcontrol_sel.png"] 2 resizableImageWithCapInsets:UIEdgeInsetsMake(0, 15, 0, 15)]; 3 UIImage *segmentUnSelected = [[UIImage imageNamed:@"segcontrol_uns.png"] 4 resizableImageWithCapInsets:UIEdgeInsetsMake(0, 15, 0, 15)]; 5 UIImage *segmentSelectedUnselected = [[UIImage imageNamed:@"segcontrol_sel-uns.png"] 6 resizableImageWithCapInsets:UIEdgeInsetsMake(0, 15, 0, 15)]; 7 UIImage *segmentUnSelectedSelected = [[UIImage imageNamed:@"segcontrol_uns-sel.png"] 8 resizableImageWithCapInsets:UIEdgeInsetsMake(0, 15, 0, 15)]; 9 UIImage *segmentUnSelectedUnSelected = [[UIImage imageNamed:@"segcontrol_uns-uns.png"] 10 resizableImageWithCapInsets:UIEdgeInsetsMake(0, 15, 0, 15)]; 11 12 [self.seg setBackgroundImage:segmentUnSelected // 非选中状态背景图 13 forState:UIControlStateNormal 14 barMetrics:UIBarMetricsDefault]; 15 [self.seg setBackgroundImage:segmentSelected // 选中状态背景图 16 forState:UIControlStateSelected 17 barMetrics:UIBarMetricsDefault]; 18 19 [self.seg setDividerImage:segmentUnSelectedUnSelected // 设置分割部分背景图，二侧都是非选中状态时 20 forLeftSegmentState:UIControlStateNormal 21 rightSegmentState:UIControlStateNormal 22 barMetrics:UIBarMetricsDefault]; 23 24 [self.seg setDividerImage:segmentSelectedUnselected // 设置分割部分背景图，左边为选中状态，右边为非选中状态时 25 forLeftSegmentState:UIControlStateSelected 26 rightSegmentState:UIControlStateNormal 27 barMetrics:UIBarMetricsDefault]; 28 29 [self.seg setDividerImage:segmentUnSelectedSelected // 设置分割部分背景图，左边为非选中状态，右边为选中状态 30 forLeftSegmentState:UIControlStateNormal 31 rightSegmentState:UIControlStateSelected 32 barMetrics:UIBarMetricsDefault];