.h文件:

#import 
     
      @interface YLYTabBar : UIView@end
     

.m文件

#import "YLYTabBar.h"@implementation YLYTabBar- (id)initWithFrame:(CGRect)frame{    self = [super initWithFrame:frame];    if (self) {        // 1.设置背景色        self.backgroundColor = [UIColor colorWithPatternImage:[UIImage imageWithNamed:@"tabbar_background"]];            }    return self;}

使用:

-(void)addTabBar{    YLYTabBar *myTabBar = [[YLYTabBar alloc] init];    myTabBar.frame = self.tabBar.bounds;    [self.tabBar addSubview:myTabBar];}-(void)viewWillAppear:(BOOL)animated{    [super viewWillAppear:animated];    //移除之前的4各UITabBarButton    for (UIView *child in self.tabBar.subviews) {        if ([child isKindOfClass:[UIControl class]]) {            [child removeFromSuperview];        }    }}