【代码笔记】iOS-长条label

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
    
   
    
    //提示label
    UILabel *alertLabel=[[UILabel alloc]initWithFrame:CGRectMake(0, 50, 320, 30)];
    alertLabel.backgroundColor=[UIColor clearColor];
    alertLabel.text=@"你可以通过在地图上拖动地标获取门店的详细地址";
    alertLabel.textAlignment=NSTextAlignmentCenter;
    alertLabel.textColor=[UIColor grayColor];
    alertLabel.font=[UIFont systemFontOfSize:10];
    [self.view addSubview:alertLabel];
    

}