###1、返回item顏色
[self.navigationController.navigationBarsetTintColor:[UIColorwhiteColor]]

2、導航欄背景

[self.navigationController.navigationBarsetBackgroundImage:[UIImageimageNamed:@”navigationImage.png”]forBarMetrics:UIBarMetricsDefault]

3、導航欄透明度

[self.navigationController.navigationBar.barStyle=UIBarStyleBlackTranslucent;[self.navigationController.navigationBarsetBackgroundImage:[UIImageimageNamed:@”o+x”] forBarMetrics:UIBarMetricsCompact]

4、修改字型顏色及字型大小

[[email protected]{NSForegroundColorAttributeName:[UIColor whiteColor],NSFontAttributeName:[UIFontboldSystemFontOfSize:17]};

5、 設定導航欄透明

- (void)viewWillAppear:(BOOL)animated

{

[super viewWillAppear:animated];

[self.navigationController.navigationBar setBackgroundImage:[UIImage new] forBarMetrics:UIBarMetricsDefault];

[self.navigationController.navigationBar setShadowImage:[UIImage new]];

}

- (void)viewWillDisappear:(BOOL)animated

{

[super viewWillDisappear:animated];

[self.navigationController.navigationBar setBackgroundImage:nil forBarMetrics:UIBarMetricsDefault];

[self.navigationController.navigationBar setShadowImage:nil];

}