using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace WIDESEA_Comm.DataHandle
{
    public class OperateDB
    {
        /// <summary>
        /// 批量写入西门子字符串
        /// </summary>
        /// <param name="sorce">源数据</param>
        /// <param name="index">起始下标</param>
        /// <param name="str">写入字符串</param>
        public static void WriteData(byte[] sorce, int index, string str)
        {
            byte[] data = Encoding.ASCII.GetBytes("  " + str);
            data[0] = 20;//定义的字符串长度
            data[1] = (byte)str.Length;//有效的个数

            for (int i = 0; i < data.Length; i++)
            {
                sorce[i + index] = data[i];
            }
        }

        /// <summary>
        /// 直接写入字节数组
        /// </summary>
        /// <param name="sorce">源数据</param>
        /// <param name="index">起始下标</param>
        /// <param name="data">新增数据</param>
        public static void WriteData(byte[] sorce, int index, byte[] data)
        {
            for (int i = 0; i < data.Length; i++)
            {
                sorce[i + index] = data[i];
            }
        }

        /// <summary>
        /// 写入字节
        /// </summary>
        /// <param name="sorce"></param>
        /// <param name="index"></param>
        /// <param name="data"></param>
        public static void WriteData(byte[] sorce, int index, byte data)
        {
            sorce[index] = data;
        }
    }
}