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我在尝试从二进制文件读取保存列表返回列表时遇到问题。 该文件被加密,没有加密我没有问题。从BinaryReader写入MemoryStream
写作方法:
private void WriteEncodedFile(FileStream fileStream, MemoryStream memoryStream)
{
StreamReader sr = new StreamReader(memoryStream);
BinaryWriter bw = new BinaryWriter(fileStream);
memoryStream.Seek(0, SeekOrigin.Begin);
string data = sr.ReadToEnd();
var bytes = Encoding.UTF8.GetBytes(data);
for (int i = 0; i < bytes.Length; i++) bytes[i] ^= 0x5a;
bw.Write(Convert.ToBase64String(bytes));
bw.Close();
fileStream.Close();
}
阅读方法:
private void ReadEncodedFile(FileStream fileStream, MemoryStream memoryStream)
{
BinaryReader br = new BinaryReader(fileStream);
StreamWriter sw = new StreamWriter(memoryStream);
fileStream.Seek(0, SeekOrigin.Begin);
memoryStream.Seek(0, SeekOrigin.Begin);
string base64 = br.ReadString();
byte[] bytes = Convert.FromBase64String(base64);
for (int i = 0; i < bytes.Length; i++) bytes[i] ^= 0x5a;
string decodedData = Encoding.UTF8.GetString(bytes);
sw.Write(decodedData);
}
阅读的内容,我可以看到它的 “decodedData” 的时候。但是,StreamWriter似乎不会将其写入MemoryStream中。
有什么想法吗?
谢谢。
当添加sw.Flush我收到以下错误: System.Runtime.Serialization.SerializationException:分析完成前遇到的流结束。 on the Deserializer: dataList =(List)bFormatter.Deserialize(ms); –
Tomerz
2014-09-21 06:49:32