[iOS基础控件 - 6.4] 汽车品牌展示 Model嵌套/KVC/TableView索引

 1 //
 2 //  Car.m
 3 //  CarGroup
 4 //
 5 //  Created by hellovoidworld on 14/12/2.
 6 //  Copyright (c) 2014年 hellovoidworld. All rights reserved.
 7 //
 8 
 9 #import "Car.h"
10 
11 @implementation Car
12 
13 - (instancetype) initWithDictionary:(NSDictionary *) dictionary {
14     if (self = [super init]) {
15         // 当dictionary中的键名跟Model中的成员名一致的时候，可以使用KVC
16         [self setValuesForKeysWithDictionary:dictionary];
17        
18 //        self.icon = dictionary[@"icon"];
19 //        self.name = dictionary[@"name"];
20     }
21    
22     return self;
23 }
24 
25 + (instancetype) carWithDictionary:(NSDictionary *) dictionary {
26     return [[self alloc] initWithDictionary:dictionary];
27 }
28 
29 + (instancetype) car {
30     return [self carWithDictionary:nil];
31 }
32 
33 @end

 1 //
 2 //  CarGroup.h
 3 //  CarGroup
 4 //
 5 //  Created by hellovoidworld on 14/12/2.
 6 //  Copyright (c) 2014年 hellovoidworld. All rights reserved.
 7 //
 8 
 9 #import <Foundation/Foundation.h>
10 
11 @interface CarGroup : NSObject
12 
13 @property(nonatomic, strong) NSArray *cars;
14 @property(nonatomic, copy) NSString *title;
15 
16 - (instancetype) initWithDictionary:(NSDictionary *) dictionary;
17 + (instancetype) carGroupWithDictionary:(NSDictionary *) dictionary;
18 + (instancetype) carGroup;
19 
20 @end

 1 //
 2 //  CarGroup.m
 3 //  CarGroup
 4 //
 5 //  Created by hellovoidworld on 14/12/2.
 6 //  Copyright (c) 2014年 hellovoidworld. All rights reserved.
 7 //
 8 
 9 #import "CarGroup.h"
10 #import "Car.h"
11 
12 @implementation CarGroup
13 
14 - (instancetype) initWithDictionary:(NSDictionary *) dictionary {
15     if (self = [super init]) {
16         self.title = dictionary[@"title"];
17        
18         // 这里不能用KVC，封装car model再放到array中，不能直接存储array
19         NSArray *carsArray = dictionary[@"cars"];
20         NSMutableArray *mcarsArray = [NSMutableArray array];
21         for (NSDictionary *dict in carsArray) {
22             Car *car = [Car carWithDictionary:dict];
23             [mcarsArray addObject:car];
24         }
25        
26         self.cars = mcarsArray;
27     }
28    
29     return self;
30 }
31 
32 + (instancetype) carGroupWithDictionary:(NSDictionary *) dictionary {
33     return [[self alloc] initWithDictionary:dictionary];
34 }
35 
36 + (instancetype) carGroup {
37     return [self carGroupWithDictionary:nil];
38 }
39 
40 @end

 1 //
 2 //  ViewController.m
 3 //  CarGroup
 4 //
 5 //  Created by hellovoidworld on 14/12/1.
 6 //  Copyright (c) 2014年 hellovoidworld. All rights reserved.
 7 //
 8 
 9 #import "ViewController.h"
10 #import "CarGroup.h"
11 #import "Car.h"
12 
13 @interface ViewController () <UITableViewDataSource>
14 @property (weak, nonatomic) IBOutlet UITableView *tableView;
15 
16 // 所有的车品牌
17 @property(nonatomic, strong) NSArray *carGroups;
18 
19 @end