UITableView 实现汽车品牌（demo）

2.3 加载数据，这边先要创建两个模型类来保存数据，国为我们这里的数据都在本地的plist文化中，所以我们要把这个plist里面的数据读取出来保存在

创建的carGroups数组中，而本地的plist文件是一个array类型，而每个array里面又有一个array数组，所以我们要创建两个模型类来保存数据，一个模型类保存外面的array数据，一个模型类来保存array里面的子array数据，然后在模型类里面创建和plist里面对应的数据的属性和方法 

代码如下：

#import <Foundation/Foundation.h>
@interface ZKCarModel : NSObject
//头像
@property(nonatomic,copy)NSString * icon;
//名字
@property(nonatomic,copy)NSString *name;
+(instancetype)CarWithDict:(NSDictionary *)dic;
-(instancetype)initWithDict:(NSDictionary *)dic;
@end

#import "ZKCarModel.h"
@implementation ZKCarModel
-(instancetype)initWithDict:(NSDictionary *)dic
{
 if(self=[super init])
 {
 [self setValuesForKeysWithDictionary:dic];
 }
 return self;
}
+(instancetype)CarWithDict:(NSDictionary *)dic
{
 return [[self alloc] initWithDict:dic];
}
@end
#import <Foundation/Foundation.h>
#import "ZKCarModel.h"
@interface ZKCarGroupModel : NSObject
//题目
@property(nonatomic,copy)NSString *title;
@property(nonatomic,strong)NSArray *cars;
+(instancetype)CarGroupWithDic:(NSDictionary *)dic;
-(instancetype)initWithDict:(NSDictionary *)dic;
@end

#import "ZKCarGroupModel.h"
@implementation ZKCarGroupModel
-(instancetype)initWithDict:(NSDictionary *)dic
{
 if(self=[super init])
 {
 self.title=dic[@"title"];
 NSMutableArray *Array=[NSMutableArray array];
 for (NSDictionary *dict in dic[@"cars"]) {
 ZKCarModel *Car=[ZKCarModel CarWithDict:dict];
 [Array addObject:Car];
 }
 self.cars=Array;
 }
 return self;
}
+(instancetype)CarGroupWithDic:(NSDictionary *)dic
{
 return [[self alloc] initWithDict:dic];
}
@end

#import <Foundation/Foundation.h>
@interface ZKCarModel : NSObject
//头像
@property(nonatomic,copy)NSString * icon;
//名字
@property(nonatomic,copy)NSString *name;
+(instancetype)CarWithDict:(NSDictionary *)dic;
-(instancetype)initWithDict:(NSDictionary *)dic;
@end

#import "ZKCarModel.h"
@implementation ZKCarModel
-(instancetype)initWithDict:(NSDictionary *)dic
{
 if(self=[super init])
 {
 [self setValuesForKeysWithDictionary:dic];
 }
 return self;
}
+(instancetype)CarWithDict:(NSDictionary *)dic
{
 return [[self alloc] initWithDict:dic];
}
@end
#import <Foundation/Foundation.h>
#import "ZKCarModel.h"
@interface ZKCarGroupModel : NSObject
//题目
@property(nonatomic,copy)NSString *title;
@property(nonatomic,strong)NSArray *cars;
+(instancetype)CarGroupWithDic:(NSDictionary *)dic;
-(instancetype)initWithDict:(NSDictionary *)dic;
@end

#import "ZKCarGroupModel.h"
@implementation ZKCarGroupModel
-(instancetype)initWithDict:(NSDictionary *)dic
{
 if(self=[super init])
 {
 self.title=dic[@"title"];
 NSMutableArray *Array=[NSMutableArray array];
 for (NSDictionary *dict in dic[@"cars"]) {
 ZKCarModel *Car=[ZKCarModel CarWithDict:dict];
 [Array addObject:Car];
 }
 self.cars=Array;
 }
 return self;
}
+(instancetype)CarGroupWithDic:(NSDictionary *)dic
{
 return [[self alloc] initWithDict:dic];
}
@end								 
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