调用
//首先，要建立一个可变数组来存储 NSDate对象
Model *student = [[Model alloc] init];
//下面进行的是对student对象的 name ， studentNumber ，sex 的赋值
student.name = @"微微一笑很倾城";
student.age = 111111;
//将student类型变为NSData类型
NSData *data = [NSKeyedArchiver archivedDataWithRootObject:student];
NSUserDefaults *user = [NSUserDefaults standardUserDefaults];
[user setObject:data forKey:@"oneStudent"];
[user synchronize];
-(void)Createf{
NSUserDefaults *user = [NSUserDefaults standardUserDefaults];
NSData *data = [user objectForKey:@"oneStudent"];
Model *student = [NSKeyedUnarchiver unarchiveObjectWithData:data];
NSLog(@"~~~~%@",student.name);
NSLog(@"~~~~%d",student.age);
}
//model 文件
import <Foundation/Foundation.h>
@interface Model : NSObject<NSCoding>
/*!
*名
*/
@property(nonatomic,strong)NSString name;
/!
*年龄
*/
@property(nonatomic,assign)NSInteger age;;
@end
import "Model.h"
@implementation Model
-(void)encodeWithCoder:(NSCoder *)aCoder
{
[aCoder encodeObject:self.name forKey:@"name"];
[aCoder encodeObject:[NSNumber numberWithInteger:self.age] forKey:@"age"];
}
-(instancetype)initWithCoder:(NSCoder *)aDecoder
{
if (self == [super init]) {
self.name = [aDecoder decodeObjectForKey:@"name"];
NSNumber * number = [aDecoder decodeObjectForKey:@"age"];
self.age = number.integerValue;
}
return self;
}
@end
