ios -导航栏加图片或文字按钮

 

//为导航栏添加右侧按钮(系统自带删除)

    // self.navigationItem.rightBarButtonItem=[[UIBarButtonItem alloc]initWithBarButtonSystemItem:UIBarButtonSystemItemTrash target:self action:@selector(selectMore:)];

    

    

   // 设置为图片

    

     self.navigationItem.rightBarButtonItem = [[UIBarButtonItemalloc] initWithTitle:nilstyle:UIBarButtonItemStylePlaintarget:selfaction:@selector(selectMore:)];

    [self.navigationItem.rightBarButtonItemsetImage:[UIImageimageNamed:@"sytb"]];

    

    //设置为文字

//    self.navigationItem.rightBarButtonItem =[[UIBarButtonItem alloc]initWithTitle:@"文字" style:UIBarButtonItemStylePlain target:self action:@selector(selectText:)];

//    

    self.navigationItem.rightBarButtonItem.tintColor=[UIColorwhiteColor];

#pragma mark - 选中右边的item

-(void)selectMore:(id)paramSender{

    

    

    NSLog(@" 点击了更多按钮 ");

}

    //左侧加入自定义按钮

    LocationBtn *btn=[[LocationBtn alloc]init];

    [btn setImage:[UIImage imageNamed:@"下拉"] forState:UIControlStateNormal];

    [btn setTitle:city forState:UIControlStateNormal];

    [btn setTitleColor:[UIColor darkGrayColor] forState:UIControlStateNormal];

    [btn sizeToFit];

    [btn addTarget:self action:@selector(ClickScanCode:) forControlEvents: UIControlEventTouchUpInside];

    UIBarButtonItem *leftItemBtn = [[UIBarButtonItem alloc] initWithCustomView:btn];

    self.navigationItem.leftBarButtonItem=leftItemBtn;