//NSUserDeafult 图片的保存与读取

//NSUserDeafult保存图片数据到本地

-(void)saveImage:(UIImage *)image{

NSData* data=[NSKeyedArchiver archivedDataWithRootObject:image];

[[NSUserDefaults standardUserDefaults] setObject:data forKey:@"xxxx"];数据保存到本地的Key

}

//读取NSUserDeafult保存到班底的图片数据

-(UIImage *)headImage{

NSData* data = [[NSUserDefaults standardUserDefaults] objectForKey:@"xxxx"];

id image= [NSKeyedUnarchiver unarchiveObjectWithData:data];

NSLog(@"image!:%@",image);

if(image){

return image;

}

return [UIImage imageNamed:@"YYYY"]本地没有读取到就返回默认图片

}