代碼藝術（1）

#import "GlobalDefines.h"

#define kClassKey   @"rootVCClassString"
#define kTitleKey   @"title"
#define kImgKey     @"imageName"
#define kSelImgKey  @"selectedImageName"

@interface SDAppFrameTabBarController ()

@end

@implementation SDAppFrameTabBarController

- (void)viewDidLoad {
    [super viewDidLoad];

    NSArray *childItemsArray = @[
                                 @{kClassKey  : @"SDHomeTableViewController",
                                   kTitleKey  : @"微信",
                                   kImgKey    : @"tabbar_mainframe",
                                   kSelImgKey : @"tabbar_mainframeHL"},

                                 @{kClassKey  : @"SDContactsTableViewController",
                                   kTitleKey  : @"通訊錄",
                                   kImgKey    : @"tabbar_contacts",
                                   kSelImgKey : @"tabbar_contactsHL"},

                                 @{kClassKey  : @"SDDiscoverTableViewController",
                                   kTitleKey  : @"發現",
                                   kImgKey    : @"tabbar_discover",
                                   kSelImgKey : @"tabbar_discoverHL"},

                                 @{kClassKey  : @"SDMeTableViewController",
                                   kTitleKey  : @"我",
                                   kImgKey    : @"tabbar_me",
                                   kSelImgKey : @"tabbar_meHL"} ];

    [childItemsArray enumerateObjectsUsingBlock:^(NSDictionary *dict, NSUInteger idx, BOOL *stop) {
        UIViewController *vc = [NSClassFromString(dict[kClassKey]) new];
        vc.title = dict[kTitleKey];
        SDBaseNavigationController *nav = [[SDBaseNavigationController alloc] initWithRootViewController:vc];
        UITabBarItem *item = nav.tabBarItem;
        item.title = dict[kTitleKey];
        item.image = [UIImage imageNamed:dict[kImgKey]];
        item.selectedImage = [[UIImage imageNamed:dict[kSelImgKey]] imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];
        [item setTitleTextAttributes:@{NSForegroundColorAttributeName : Global_tintColor} forState:UIControlStateSelected];
        [self addChildViewController:nav];
    }];
}

@end