类中的C#命名空间
本文关键字:命名空间 | 更新日期: 2023-09-27 18:21:10
不知道如何解释,所以我会尽可能多地给出细节。我正在制作一个NetLibrary,我需要为NetClient类提供一个部分,例如本例中的Headers:
NetClient netClient = new NetClient("host", port);
netClient.Headers.Add("Name", "Value");
我认为这会起作用,但它不起作用(在NetClient类的实例中根本看不到Headers):
namespace NetLib
{
class NetClient
{
public string Host { get; }
public int Port { get; }
public NetClient(string host, int port)
{
this.Host = host;
this.Port = port;
}
class Headers
{
class Header
{
public string Name { get; }
public string Value { get; }
internal Header(string name, string value)
{
this.Name = name;
this.Value = value;
}
}
我在提交的答案的帮助下解决了我的问题,这就是我的代码现在的样子:
public sealed class NetClient
{
public string Host { get; set; }
public int Port { get; set; }
public Headers Headers { get; private set; }
public NetClient(string host, int port)
{
this.Headers = new Headers();
this.Host = host;
this.Port = port;
}
}
public sealed class Headers
{
public class Header
{
public string Name { get; }
public string Value { get; }
internal Header(string name, string value)
{
this.Name = name;
this.Value = value;
}
}
将一个类放在另一个类中并不会使其成为该类的实例成员(甚至是静态成员),它只会影响类的命名和范围。
要获得实例成员,您需要类的实际成员,例如一个标题项列表属性:
namespace NetLib {
class Header {
public string Name { get; }
public string Value { get; }
public Header(string name, string value) {
this.Name = name;
this.Value = value;
}
}
class NetClient {
public string Host { get; private set; }
public int Port { get; private set; }
public List<Header> Headers { get; private set; }
public NetClient(string host, int port) {
this.Host = host;
this.Port = port;
this.Headers = new List<Header>();
}
}
}
用法:
NetClient netClient = new NetClient("host", port);
netClient.Headers.Add(new Header("Name", "Value"));
您可以将Header
类放在NetClient
类中,但需要使用new NetClient.Header(...)
而不是new Header(...)
。
下面的代码能为您提供所需的吗?
public sealed class NetClient
{
public string Host { get; set; }
public int Port { get; set; }
public Headers Headers { get; private set; }
public NetClient(string host, int port)
{
Host = host;
Port = port;
Headers = new Headers();
}
}
public sealed class Headers : Dictionary<String, String>
{
}
尝试将其公开,因为默认情况下类是"内部"的,内部的成员/变量是私有的。
因此,基本思想是创建内部实例,以便在运行时初始化类和创建对象。请不要按原样复制粘贴,因为我没有使用VS进行更正。
我认为它应该更像:
NetClient NetClient=新的NetClient("主机",端口);netClient.Headers=netClient.CreateObjHeaders("名称","值");
命名空间NetLib{类NetClient{公共字符串主机{get;}public int端口{get;}
public NetClient(string host, int port)
{
this.Host = host;
this.Port = port;
}
public Headers CreateObjHeaders(string Name, string Value)
{
Headers objHeaders=new Headers("Name", "Value");
return objHeaders;
}
public class Headers
{
public Headers(string Name, string Value)
{
Header objHeader=new Header("Name", "Value");
}
public class Header
{
public string Name { get; }
public string Value { get; }
internal Header(string name, string value)
{
this.Name = name;
this.Value = value;
}
}