1 @interface App : NSObject 2  3 /** 4  copy : NSString 5  strong: 一般對象 6  weak: UI控件 7  assign: 基本數據類型 8  */ 9 10 /**11  名稱12  */13 @PRoperty(nonatomic, copy) NSString *name;14 15 /**16  圖標17  */18 @property(nonatomic, copy) NSString *icon;19 @end

 1 #pragma mark 取得應用列表 2 - (NSArray *) apps { 3     if (nil == _apps) { 4         // 1.獲得plist的全路徑 5         NSString *path = [[NSBundle mainBundle] pathForResource:@"app.plist" ofType:nil]; 6         7         // 2.加載數據 8         NSArray *dictArray  = [NSArray arrayWithContentsOfFile:path]; 9        10         // 3.將dictArray里面的所有字典轉成模型，放到新數組中11         NSMutableArray *appArray = [NSMutableArray array];12         for (NSDictionary *dict in dictArray) {13             // 3.1創(chuàng)建模型對象14             App *app = [[App alloc] init];15            16             // 3.2 將字典的所有屬性賦值給模型17             app.name = dict[NAME_KEY];18             app.icon = dict[ICON_KEY];19            20             // 3.3 添加到app數組中21             [appArray addObject:app];22         }23        24         _apps = appArray;25     }26 27     return _apps;28 }

1         iconView.image = [UIImage imageNamed:appData.icon];2         [appView addSubview:iconView];3        4         // 2.設置APP名字5         UILabel  *nameLabel = [[UILabel alloc] init];6         nameLabel.text = appData.name;

1 /**2  自定義構造方法3  通過字典來初始化模型對象4  */5 - (id) initWithDictionary:(NSDictionary *) dictionary;

1 - (id) initWithDictionary:(NSDictionary *) dictionary {2     if (self = [super init]) {3         self.name = dictionary[NAME_KEY];4         self.icon = dictionary[ICON_KEY];5     }6    7     return self;8 }

1             // 3.1創(chuàng)建模型對象2             App *app = [[App alloc] initWithDictionary:dict];3            4             // 3.2 添加到app數組中5             [appArray addObject:app];

1 + (id) appWithDictionary:(NSDictionary *) dictionary {2     // 使用self代表類名代替真實類名，防止子類調用出錯3     return [[self alloc] initWithDictionary:dictionary];4 }