C#：一个增强的TcpClient（四）查询

最新推荐文章于 2025-03-16 17:38:29 发布

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最新推荐文章于 2025-03-16 17:38:29 发布

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分类专栏： Socket 文章标签： c# command query byte string null

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using System;

namespace Splash.Net.Sockets
{
    /// <summary>
    /// 实现TcpClient的异步查询
    /// </summary>
    public partial class TcpClientPlus
    {
        /// <summary>
        /// 异步查询
        /// </summary>
        /// <param name="command">发送数据</param>
        /// <param name="offset">起始偏移量</param>
        /// <param name="size">字节数</param>
        /// <param name="answer">接收数据</param>
        public void Query(Byte[] command, Int32 offset, Int32 size, out Byte[] answer)
        {
            if (command != null)
            {   // 发送数据
                Write(command, offset, size);
            }

            // 接收数据
            Read(out answer);
        }

        /// <summary>
        /// 异步查询
        /// </summary>
        /// <param name="command">发送数据</param>
        /// <param name="offset">起始偏移量</param>
        /// <param name="size">字节数</param>
        /// <param name="answer">接收数据</param>
        /// <param name="codePage">代码页</param>
        /// <remarks>
        /// 代码页：
        ///     简体中文GB2312      936
        ///     简体中文GB18030     54936
        ///     繁体中文BIG5        950
        ///     西欧字符CP1252      1252
        ///     UTF-8               65001
        /// </remarks>
        public void Query(Byte[] command, Int32 offset, Int32 size, out String answer, Int32 codePage = 65001)
        {
            if (command != null)
            {   // 发送数据
                Write(command, offset, size);
            }

            // 接收数据
            Read(out answer, codePage);
        }

        /// <summary>
        /// 异步查询
        /// </summary>
        /// <param name="command">发送数据</param>
        /// <param name="answer">接收数据</param>
        public void Query(Byte[] command, out Byte[] answer)
        {
            if (command != null)
            {   // 发送数据
                Write(command);
            }

            // 接收数据
            Read(out answer);
        }

        /// <summary>
        /// 异步查询
        /// </summary>
        /// <param name="command">发送数据</param>
        /// <param name="answer">接收数据</param>
        /// <param name="codePage">代码页</param>
        /// <remarks>
        /// 代码页：
        ///     简体中文GB2312      936
        ///     简体中文GB18030     54936
        ///     繁体中文BIG5        950
        ///     西欧字符CP1252      1252
        ///     UTF-8               65001
        /// </remarks>
        public void Query(Byte[] command, out String answer, Int32 codePage = 65001)
        {
            if (command != null)
            {   // 发送数据
                Write(command);
            }

            // 接收数据
            Read(out answer, codePage);
        }

        /// <summary>
        /// 异步查询
        /// </summary>
        /// <param name="command">发送数据</param>
        /// <param name="answer">接收数据</param>
        /// <param name="codePage">代码页</param>
        /// <remarks>
        /// 代码页：
        ///     简体中文GB2312      936
        ///     简体中文GB18030     54936
        ///     繁体中文BIG5        950
        ///     西欧字符CP1252      1252
        ///     UTF-8               65001
        /// </remarks>
        public void Query(String command, out Byte[] answer, Int32 codePage = 65001)
        {
            if (!String.IsNullOrEmpty(command))
            {   // 发送数据
                Write(command, codePage);
            }

            // 接收数据
            Read(out answer);
        }

        /// <summary>
        /// 异步查询
        /// </summary>
        /// <param name="command">发送数据</param>
        /// <param name="answer">接收数据</param>
        /// <param name="codePage">代码页</param>
        /// <remarks>
        /// 代码页：
        ///     简体中文GB2312      936
        ///     简体中文GB18030     54936
        ///     繁体中文BIG5        950
        ///     西欧字符CP1252      1252
        ///     UTF-8               65001
        /// </remarks>
        public void Query(String command, out String answer, Int32 codePage = 65001)
        {
            if (!String.IsNullOrEmpty(command))
            {   // 发送数据
                Write(command, codePage);
            }

            // 接收数据
            Read(out answer, codePage);
        }
    }
}