69 lines
1.9 KiB
C#
69 lines
1.9 KiB
C#
using System.Text;
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namespace Ultron.Proxy.Utils
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{
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public static class StringUtil
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{
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/// <summary>
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/// 整型转双字节
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/// </summary>
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/// <param name="number"></param>
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/// <returns></returns>
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public static byte[] IntTo2Bytes(int number)
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{
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byte[] bytes = new byte[2];
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bytes[0] = (byte)(number / 256);
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bytes[1] = (byte)(number % 256);
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return bytes;
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}
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/// <summary>
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/// 客户端首次连接服务端时，需要发送标记以便服务端归类
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/// </summary>
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/// <param name="clientID"></param>
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/// <param name="appid"></param>
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/// <returns></returns>
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public static byte[] ClientIDAppIdToBytes(int clientID, int appid)
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{
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byte[] bytes = new byte[3];
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byte[] clientbytes = IntTo2Bytes(clientID);
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bytes[0] = clientbytes[0];
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bytes[1] = clientbytes[1];
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bytes[2] = (byte)appid;
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return bytes;
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}
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/// <summary>
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/// 双字节转整型
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/// </summary>
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/// <param name="hByte"></param>
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/// <param name="lByte"></param>
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/// <returns></returns>
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public static int DoubleBytesToInt(byte hByte, byte lByte)
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{
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return (hByte << 8) + lByte;
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}
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/// <summary>
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/// comma
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/// </summary>
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/// <param name="sb"></param>
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/// <returns></returns>
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public static StringBuilder C(this StringBuilder sb)
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{
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return sb.Append(",");
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}
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/// <summary>
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/// delcomma
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/// </summary>
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/// <param name="sb"></param>
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/// <returns></returns>
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public static StringBuilder D(this StringBuilder sb)
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{
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return sb.Remove(sb.Length - 1, 1);
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}
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}
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}
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