问题描述
假设我的WinForms应用程序中有一个TextBox.
Suppose that I have a TextBox in my WinForms application.
当用户单击按钮时，应用程序应通过TCP发送存储在此TextBox中的序列化值.
When user clicks a button, the application should send a serialized value stored in this TextBox via TCP.
对于序列化，我使用的是Newtonsoft.Json库，如下所示:
For the serialization I'm using Newtonsoft.Json library like this:
string json = JsonConvert.SerializeObject(credentials);
credentials是保存TextBox值的类的对象.
Where credentials is the object of class that holds TextBox's value.
然后我需要通过TcpClient类通过网络发送它:
Then I need to send it over network via TcpClient class:
TcpClient client = new TcpClient(IpAddress, Port);
NetworkStream stream = client.GetStream();
// ???
，但是我需要先将json字符串转换为字节数组，所以我必须指定文本编码.我应该指定哪种文本编码非常安全?
but I need to convert the json string to the byte array first, so I have to specify a text encoding. Which text encoding should I specify to be pretty safe?
我不能仅将其设置为ASCII，因为用户可以输入Unicode字符.
I can't just set it to ASCII because user can enter unicode characters.
推荐答案
.NET Framework使用UTF-16编码(由 UnicodeEncoding 类)代表字符和字符串.因此，您可以使用System.Text.Encoding.Unicode.GetBytes获取字符串字节.
The .NET Framework uses the UTF-16 encoding (represented by the UnicodeEncoding class) to represent characters and strings. So you can use System.Text.Encoding.Unicode.GetBytes to get bytes of string.
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