代码艺术（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  : @"通讯录",
kImgKey    : @"tabbar_contacts",
kSelImgKey : @"tabbar_contactsHL"},

@{kClassKey  : @"SDDiscoverTableViewController",
kTitleKey  : @"发现",
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