/*************** KFShop.h文件 ***************/

@interface KFShop : NSObject

@property (copy, nonatomic) NSString * name;

@property (copy, nonatomic) NSString * icon;

// 提供一个方法用于字典转模型

// 开发中我们要面对模型开发,而不是面对字典开发.例如 属性名如果写错了,编译器马上报错.如果是使用字典,写错了编译器并不会报错

- (instancetype)initWithDict:(NSDictionary *)dict;

+ (instancetype)shopWithDict:(NSDictionary *)dict;

@implementation KFShop

- (instancetype)initWithDict:(NSDictionary *)dict

{

if(self = [super init])

{

self.name = dict[@"name"];

self.icon = dict[@"icon"];

}

return self;

}

+ (instancetype)shopWithDict:(NSDictionary *)dict;

{

return [[self alloc] initWithDict:dict];

}

@end

/*************** KFShopView文件 ***************/

#import <UIKit/UIKit.h>

@class KFShop;

@interface KFShopView : UIView

@property (strong, nonatomic) KFShop *shop;

+ (instancetype)shopView;

@end

@interface KFShopView()

@property (weak, nonatomic) UIImageView * imageView;

@property (weak, nonatomic) UILabel * nameLabel;

@end

@implementation KFShopView

// 提供一个类方法用来快速创建shopView

+ (instancetype)shopView{KFShopView *shopView = [[self alloc] init];return shopView;}// 用到时才会创建imageView
- (UIImageView *)imageView{if(_imageView == nil){UIImageView * imageVeiw = [[UIImageView alloc] init];_imageView = imageVeiw;[self addSubview:_imageView];}return _imageView;}// 用到时才会创建nameLabel
- (UILabel *)nameLabel
{if(_nameLabel == nil){UILabel * label = [[UILabel alloc] init];_nameLabel = label;label.font = [UIFont systemFontOfSize:14];label.textAlignment = NSTextAlignmentCenter;[self addSubview:_nameLabel];}return _nameLabel;}// 根据传进来的模型设置显示的内容
- (void)setShop:(KFShop *)shop
{_shop = shop;self.imageView.image = [UIImage imageNamed:self.shop.icon];self.nameLabel.text = shop.name;
}// 布局子控件
- (void)layoutSubviews
{// 一定要调用super的方法
    [super layoutSubviews];CGFloat W = self.frame.size.width;CGFloat H = self.frame.size.height;self.imageView.frame = CGRectMake(0, 0, W, W);self.nameLabel.frame = CGRectMake(0, W, W, H - W);
}