using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using WindowsFormsApplication1.Properties;
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namespace WindowsFormsApplication1
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{
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public class OPCHelper
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{
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/// <summary>
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/// 读取指定地址的OPC的值
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/// </summary>
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/// <param name="ItemNames">需要读取的地址列表</param>
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/// <returns>输入地址对应的值</returns>
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public static List<object> OPCRead(List<string> ItemNames)
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{
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//输入地址为空时输出空
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//if (ItemNames == null || ItemNames.Count == 0)
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//{
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// return null;
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//}
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//int count = ItemNames.Count;
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//List<object> readRtn = new List<object>();//设置返回值数组
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//try
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//{
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// using (var srv = new OPCXML_DataAccess())
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// {
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// ReadRequestItemList ItemLists = new ReadRequestItemList();
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// ItemLists.Items = new ReadRequestItem[count];
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// for (int i = 0; i < count; i++)
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// {
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// ItemLists.Items[i] = new ReadRequestItem();
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// ItemLists.Items[i].ItemPath = "";
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// ItemLists.Items[i].ItemName = ItemNames[i];
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// }
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// RequestOptions opt = new RequestOptions();
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// ReplyItemList ItemValues = new ReplyItemList(); ;
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// OPCError[] Errors;
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// opt.ReturnItemTime = true;
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// srv.Read(opt, ItemLists, out ItemValues, out Errors);
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// foreach (var p in ItemValues.Items)
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// {
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// readRtn.Add(p.Value);
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// }
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// }
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//}
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//catch (Exception ex)
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//{
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// LogTextHelper.WriteLine(Resources.LogDir, "在类{0}中执行方法{1}时出现异常：{2}", "FLTKOPCHelper", "OPCRead", ex.Message);
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//}
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//return readRtn;
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return new List<object>();
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}
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/// <summary>
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/// 单值写入OPCServer
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/// </summary>
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/// <param name="ItemName">地址块</param>
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/// <param name="value">值</param>
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/// <returns>是否写入成功</returns>
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public static bool OPCWritePoint(string ItemName, object value)
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{
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//try
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//{
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// using (var srv = new OPCXML_DataAccess())
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// {
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// WriteRequestItemList ItemLists = new WriteRequestItemList();
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// ItemLists.Items = new ItemValue[1];
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// ItemLists.Items[0] = new ItemValue();
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// ItemLists.Items[0].ItemPath = "";
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// ItemLists.Items[0].ItemName = ItemName;
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// ItemLists.Items[0].Value = value;
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// ItemLists.Items[0].TimestampSpecified = false;
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// RequestOptions opt = new RequestOptions();
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// ReplyItemList ItemValues = new ReplyItemList();
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// OPCError[] Errors;
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// opt.ReturnItemTime = true;
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// ReplyBase replay = srv.Write(opt, ItemLists, true, out ItemValues, out Errors);
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// return !serverState.failed.Equals(replay.ServerState) && !serverState.commFault.Equals(replay.ServerState);
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// }
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//}
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//catch (Exception ex)
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//{
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// LogTextHelper.WriteLine(Resources.LogDir, "在类{0}中执行方法{1}时出现异常：{2}", "FLTKOPCHelper", "OPCWritePoint", ex.Message);
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// return false;
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//}
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return true;
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}
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/// <summary>
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/// 写入准入信息
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/// </summary>
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/// <param name="ssj_Number"></param>
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/// <returns></returns>
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public static bool SSJLicences(int ssj_Number)
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{
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//string LOCALSERVER = "S7:[S7 connection_1]";
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//string StackerWrite = "DB540,";
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//string WRITE_SSJ_1_Allow = LOCALSERVER + StackerWrite + "B17";//1号输送机入库许可
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//string WRITE_SSJ_2_Allow = LOCALSERVER + StackerWrite + "B18";//2号输送机入库许可
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//string WRITE_SSJ_3_Allow = LOCALSERVER + StackerWrite + "B19";//3号输送机入库许可
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//if (ssj_Number == 1)
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//{
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// return OPCWritePoint(WRITE_SSJ_1_Allow, 1);
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//}
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//else if (ssj_Number == 2)
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//{
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// return OPCWritePoint(WRITE_SSJ_2_Allow, 1);
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//}
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//else
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//{
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// return OPCWritePoint(WRITE_SSJ_3_Allow, 1);
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//}
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return true;
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}
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/// <summary>
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/// 集合值写入OPC服务器
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/// </summary>
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/// <param name="ItemName">地址块集合</param>
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/// <param name="values">地址块对应的值</param>
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/// <returns>是否写入成功</returns>
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public static bool OPCWriteSerial(List<string> ItemNames, List<object> values)
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{
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//try
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//{
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// using (var srv = new OPCXML_DataAccess())
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// {
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// int count = ItemNames.Count;
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// WriteRequestItemList ItemLists = new WriteRequestItemList();
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// ItemLists.Items = new ItemValue[count];
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// for (int i = 0; i < count; i++)
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// {
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// ItemLists.Items[i] = new ItemValue();
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// ItemLists.Items[i].ItemPath = "";
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// ItemLists.Items[i].ItemName = ItemNames[i];
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// ItemLists.Items[i].Value = values[i];
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// ItemLists.Items[i].TimestampSpecified = false;
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// }
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// RequestOptions opt = new RequestOptions();
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// ReplyItemList ItemValues = new ReplyItemList();
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// OPCError[] Errors;
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// opt.ReturnItemTime = true;
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// ReplyBase replay = srv.Write(opt, ItemLists, true, out ItemValues, out Errors);
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// return !serverState.failed.Equals(replay.ServerState) && !serverState.commFault.Equals(replay.ServerState);
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// }
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//}
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//catch (Exception ex)
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//{
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// LogTextHelper.WriteLine(Resources.LogDir, "在类{0}中执行方法{1}时出现异常：{2}", "FLTKOPCHelper", "OPCWriteSerial", ex.Message);
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// return false;
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//}
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return true;
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}
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}
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}
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