//设置Item选中不选中的一些处理
[[UITabBarItemappearance]setTitleTextAttributes:@{NSFontAttributeName:[UIFontsystemFontOfSize:12.0f],NSForegroundColorAttributeName:[UIColorcolorWithRed:1.000green:0.314blue:0.000alpha:1]}forState:UIControlStateSelected];
[[UITabBarItemappearance]setTitleTextAttributes:@{NSFontAttributeName:[UIFontsystemFontOfSize:12.0f],NSForegroundColorAttributeName:[UIColorcolorWithRed:0green:0.3blue:0.0alpha:1]}forState:UIControlStateNormal
];
//设置tabbar背景颜色
[[UITabBarappearance]setBackgroundColor:[UIColorredColor]];
//设置tabbar背景颜色两者最好不要混用
[[UITabBarappearance]setBarTintColor:[UIColorgreenColor]];
//设置tabbar背景图片
[[UITabBarappearance]setBackgroundImage:[UIImageimageNamed:@"TZTTabBarBG"]];