fast dropdwon menu
// 创建一级数据 NSArray *fourMenuTitleArray = @[@"菜单A",@"菜单B",@"菜单C",@"菜单D"];
// 创建二级数据 NSArray *firstArrFour = [NSArray arrayWithObjects:@"D1级菜单1",@"D1级菜单2", nil]; NSArray *secondArrFour = @[@[@"D2级菜单11",@"D2级菜单12"],@[@"D2级菜单21",@"D2级菜单22"]]; NSArray *fourMenu = [NSArray arrayWithObjects:firstArrFour,secondArrFour, nil];
// size已固定可以随便填已固定 WJDropdownMenu *menu = [[WJDropdownMenu alloc]initWithFrame:CGRectMake(0, 100, 0, 0)];
// 设置代理 menu.delegate = self;
// 添加到视图 [self.view addSubview:menu];