HEGII.ss.mes.packingline/wwwroot/api/autoPacking/autoPacking.ashx

<%@ WebHandler Language="C#" Class="plc_test" %>

using System;
using System.Web;
using DK.XuWei.WebMes;

public class plc_test : IHttpHandler
{
	#region 数据变量
	//条码
	public string barCode = "";
	//读取标识
	public string readFlag = "";
	//扫码结果
	public int scanResult = 0;
	#endregion


	public void ProcessRequest(HttpContext context)
	{
		context.Response.ContentType = "text/plain";
		//允许读取标识【PLC】
		readFlag = context.Request[""] is object ? context.Request[""].ToString() : "";
		//PLC配置
		SiemensS7.Open("", 0);

		//通过读取标识去【PLC】读取条码DB
		barCode = string.Empty;
		//允许读取第一个；
		if (readFlag == "1")
		{
			#region 调取条码校验
			//扫码结果
			if (true)//接口返回值
			{
				scanResult = 1;
			}
			else
			{
				//条码格式错误
				if (true)
				{
					scanResult = 2;
				}
				//产品不可到达
				else if (true)
				{
					scanResult = 3;
				}
				//MES异常
				else if (true)
				{
					scanResult = 4;
				}
				//条码不一致
				else if (true)
				{
					scanResult = 5;
				}
				//绑码完成
				else if (true)
				{
					scanResult = 6;
				}
			}

			#endregion

			#region 在P在LC写入产品型号及数量，返回扫码结果；

			#endregion
		}
		//允许读取全部产品；
		else if (readFlag == "2")
		{

		}
		//允许读取全部产品（带托盘）；
		else if (readFlag == "3")
		{

		}
	}

	public bool IsReusable
	{
		get
		{
			return false;
		}
	}
}