self.navigationController.navigationBar.barTintColor =[UIColor colorWithRed:70/255.0green:193/255.0 blue:14/255.0 alpha:1.0];
// 设置导航条的透明
// [self setSelfNavigationBarTranslucent];
//- (void)setSelfNavigationBarTranslucent
//{
// if (self.navigationController.navigationBar.translucent) {
//
// self.navigationController.navigationBar.translucent = NO;
// }else{
// return;
// }
//}
// UINavigationBar *bar = [UINavigationBar appearance];
// bar.barTintColor = BCJCColor(249, 104, 69);
// [self.navigationController.navigationBar setBarTintColor:BCJCColor(255, 127, 80)];
// self.navigationController.navigationBar
// self.navigationController.navigationBarHidden = NO;
// self.navigationController.navigationBar.backgroundColor = BCJCColor(249, 104, 69);
// self.navigationController.navigationItem.leftItemsSupplementBackButton = YES;
导航条的文字颜色
[bar setTitleTextAttributes:@{NSFontAttributeName : [UIFontboldSystemFontOfSize:20], NSForegroundColorAttributeName : [UIColor whiteColor]}];