问题是,在反序列化时,我在repo中得到零计数(没有任何错误)
[Serializable]
class RegexRepository : Dictionary<string, string>
{
public RegexRepository()
{
//this.Add("All", "ALL");
//this.Add("Name", @"Name:(?<data>[\s\w]+)Email");
//this.Add("Email", @"Email:(?<data>[\w\s@]+\.com)");
//this.Add("Phone Number", "Phone:(?<data>\\d+)");
}
protected RegexRepository(SerializationInfo info, StreamingContext context)
{
}
private static RegexRepository repo = new RegexRepository();
public static RegexRepository Instance
{
get
{
if (repo == null)
{
repo = new RegexRepository();
}
return repo;
}
}
string FileName = AppDomain.CurrentDomain.BaseDirectory + "BinaryFile.dat";
public void Serialize()
{
using (FileStream ms = new FileStream(FileName, FileMode.OpenOrCreate))
{
var bf = new BinaryFormatter();
bf.Serialize(ms, this);
}
}
public void Deserialize()
{
if (System.IO.File.Exists(FileName))
{
using (FileStream ms = new FileStream(FileName, FileMode.Open))
{
var bf = new BinaryFormatter();
repo = (RegexRepository)bf.Deserialize(ms);
//Here i get zero count in repo, checked while debugging
}
}
}
}
我看到 BinaryFile.dat 不是空的,我可以在其中看到一些记录。请帮助我
答案 0 :(得分:2)
您需要从流构造函数中调用基础构造函数:
protected RegexRepository(SerializationInfo info, StreamingContext context)
: base(info, context)
{
}
此外,FileName
可能不应该是一个字段,您在课堂上为它分配内存,这是不必要的。相反,静态属性似乎更有意义:
static string FileName
{
get
{
return AppDomain.CurrentDomain.BaseDirectory + "BinaryFile.dat";
}
}
答案 1 :(得分:2)
当基类实现ISerializable时,它不足以在派生类上打一个[Serializable]属性。您的派生类需要:
GetObjectData(SerializationInfo info, StreamingContext context)
覆盖以将派生成员写入SerializationInfo(并调用基类&#39;实现)。在课堂上运行VS代码分析会解决问题。