代码如下：

#define kColorBarTint   [UIColor colorWithRed:56/255.0 green:170/255.0 blue:27/255.0 alpha:1.0]#import "SSMyViewController.h"@interface SSMyViewController ()@end@implementation SSMyViewController-(void)viewDidLoad {    [super viewDidLoad];    //set NavigationBar 背景颜色&title 颜色    [self.navigationController.navigationBar setBarTintColor:kColorBarTint];    [self.navigationController.navigationBar setTitleTextAttributes:@{NSFontAttributeName:[UIFont systemFontOfSize:22],NSForegroundColorAttributeName:[UIColor whiteColor]}];    [self.navigationController.navigationBar setTintColor:[UIColor whiteColor]];}-(void)didReceiveMemoryWarning {    [super didReceiveMemoryWarning];    }@end