ios-实战项目笔记总结－商城类－导航控制器

-(void)CreateUi
{
    [UINavigationBar appearance].barTintColor=[UIColor colorWithRed:63/255.0 green:192/255.0 blue:158/255.0 alpha:1];
    self.navigationController.navigationBar.translucent=YES;
    UIButton * mainSearchbtn=[[UIButton alloc]initWithFrame:CGRectMake(60, 10, kWidth-190, 30)];
        mainSearchbtn.backgroundColor=[UIColor whiteColor];
    mainSearchbtn.layer.cornerRadius=18;
    UIImageView * mainSearchImage=[[UIImageView alloc]initWithImage:[UIImage imageNamed:@"搜索@2x"]];
    [mainSearchImage setFrame:CGRectMake(30, 5, 20,20)];
    UILabel * mainSearchLabel=[[UILabel alloc]initWithFrame:CGRectMake(60, 0, kWidth-160-30, 30)];
    mainSearchLabel.text=@"搜索附近商品";
    mainSearchLabel.textColor=[UIColor grayColor];
    [mainSearchbtn addSubview:mainSearchLabel];
    [mainSearchbtn addSubview:mainSearchImage];
    
    self.navigationItem.titleView=mainSearchbtn;
    UIButton *leftbtn=[[UIButton alloc]initWithFrame:CGRectMake(10, 10, 60, 20)];
    UILabel * leftLbl=[[UILabel alloc]initWithFrame:CGRectMake(0, 0, 40, 20)];
    
    self.leftLbl=leftLbl;
    leftLbl.text=@"莱州";
    leftLbl.textColor=[UIColor whiteColor];
    leftLbl.textAlignment=YES;
    leftLbl.font=[UIFont systemFontOfSize:20];
    [leftbtn addSubview:leftLbl];
    UIImageView * leftImage=[[UIImageView alloc]initWithFrame:CGRectMake(44, 3, 24, 16)];
    
    [leftImage setImage:[UIImage imageNamed:@"(-back@2x"]];
    [leftbtn addSubview:leftImage];
    [leftbtn addTarget:self action:@selector(leftClick:) forControlEvents:UIControlEventTouchUpInside];
    UIBarButtonItem * leftBar=[[UIBarButtonItem alloc]initWithCustomView:leftbtn];
    self.navigationItem.leftBarButtonItem=leftBar;
    UIButton *rightbtn=[[UIButton alloc]initWithFrame:CGRectMake(10, 20, 30, 30)];
    [rightbtn setImage:[UIImage imageNamed:@"消息@2x"] forState:UIControlStateNormal];
    [rightbtn addTarget:self action:@selector(rightClick:) forControlEvents:UIControlEventTouchUpInside];
    UIBarButtonItem * rightBar=[[UIBarButtonItem alloc]initWithCustomView:rightbtn];
    self.navigationItem.rightBarButtonItem=rightBar;
    
}