ios中字典转模型的创建以及简单用法

//  appModel.h
//  Created by zzqqrr on 17/8/19.
//
#import <Foundation/Foundation.h>

@interface appModel : NSObject
@property (nonatomic,copy) NSString *title;
@property (nonatomic,copy) NSString *icon;
- (id)initWithDict:(NSDictionary *)dict;
/**类方法用+号*/
+ (id)appWithDict:(NSDictionary *)dict;
@end

//
//  appModel.m
//  Created by zzqqrr on 17/8/19.
//

#import "appModel.h"

@implementation appModel
//- (id)initWithDict:(NSDictionary *)dict ios7以前不推荐用id
- (instancetype)initWithDict:(NSDictionary *)dict
{
    if(self==[super init])
    {
    self.title=dict[@"title"];
    self.icon=dict[@"icon"];
    }
    return  self;
}
//- (id)appWithDict:(NSDictionary *)dict ios7以前不推荐用id
//直接以类名方式调用,不用alloc 规范标准推荐加上
+(instancetype)appWithDict:(NSDictionary *)dict
{
    //return [[appModel alloc] initWithDict:dict];
    return [[self alloc] initWithDict:dict];
}
@end

//懒加载应用数据
- (NSArray *)apps
{
    if(_apps==nil)
    {
        //获得plist文件全路径
        NSString *path=[[NSBundle mainBundle] pathForResource:@"main.plist" ofType:nil];
        //加载数组
        //_apps=[NSArray arrayWithContentsOfFile:path];
        NSArray *dictArray=[NSArray arrayWithContentsOfFile:path];
        NSMutableArray *appArray=[NSMutableArray array];
        //把字典数组转换成模型对象，放到数组中
        for (NSDictionary *dict in dictArray) {
            appModel *apps=[[appModel alloc] initWithDict:dict];
            appModel *test=[appModel appWithDict:dict];//类名方式调用,同上//把对象添加到数组上
            [appArray addObject:apps];
        }
        _apps=appArray;
    }
    return _apps;
}

@interface ViewController ()
@property (nonatomic,strong) NSArray *apps;
@end

NSDictionary *dict=self.apps[index];//字典
appModel *model=self.apps[index];//模型