self.navigationController.navigationBar.barTintColor ＝ [UIColor blueColor];

// //导航栏背景

// [self.navigationController.navigationBar setBackgroundImage:[UIImage p_w_picpathNamed:@"navigationImage_2.png"] forBarMetrics:UIBarMetricsDefault];

//

// self.navigationController.navigationBar.barStyle = UIBarStyleBlackTranslucent;



// //导航栏透明

// [self.navigationController.navigationBar setBackgroundImage:[UIImage p_w_picpathNamed:@"talk_icon_03.png"] forBarMetrics:UIBarMetricsCompact];

// //设置样式,不加这句话会有横线

// self.navigationController.navigationBar.barStyle = UIBarStyleBlackTranslucent;

//修改title字体颜色

[self.navigationController.navigationBarsetTitleTextAttributes:@{NSForegroundColorAttributeName:[UIColorblackColor]}];

self.navigationController.navigationBar.barTintColor=HexRGB(0X62ccca);

//修改返回箭头颜色样式

UIImage*backButtonImage = [[UIImagep_w_picpathNamed:@"talk_icon_03.png"]resizableImageWithCapInsets:UIEdgeInsetsMake(0,30,0,0)];

[[UIBarButtonItemappearance]setBackButtonBackgroundImage:backButtonImageforState:UIControlStateNormalbarMetrics:UIBarMetricsDefault];