/**
* 将数据写入到文件
*
* @return 是否写入成功
*/
+(BOOL)writeToFile{
NSString *doc=[NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) lastObject];
NSString *filePath=[doc stringByAppendingPathComponent:@"WishList.data"];
//保存对象
return [NSKeyedArchiver archiveRootObject:wishProducts toFile:filePath];
}
/**
* 从文件读
*
* @return 列表
*/
+(NSMutableArray *)readToFile{
NSString *doc=[NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) lastObject];
NSString *filePath=[doc stringByAppendingPathComponent:@"WishList.data"];
NSMutableArray *products=[NSKeyedUnarchiver unarchiveObjectWithFile:filePath];
return products;
}
@interface LJProductItem : NSObject<NSCoding>
#import "MJExtension.h"
@implementation LJProductItem
MJCodingImplementation;
@end