HEGII.gt.mes.dashboard/wwwroot/main/plcRead.ashx

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

using System;
using System.Web;

using Newtonsoft.Json.Linq;
using Curtain.DataAccess;
using System.Data;
using Curtain.Net.Sockets.PLC;
using DK.XuWei.WebMes;

public class plcRead : IHttpHandler
{

    public void ProcessRequest(HttpContext context)
    {
        context.Response.ContentType = "text/plain";
        bool success = true;
        int ypNum = 0; //产量
        float wdNum = 0; //温度
        float sdNum = 0; //湿度

        //plc地址：172.19.24.109 DB地址：500.0 500.2 500.6
        try
        {
            PLCResult<short> plcResult1 = SiemensS7.PlcRead<short>("172.19.24.109", "500.0");
            ypNum = plcResult1.Data;
            PLCResult<float> plcResult2 = SiemensS7.PlcRead<float>("172.19.24.109", "500.2");
            wdNum = plcResult2.Data;
            PLCResult<float> plcResult3 = SiemensS7.PlcRead<float>("172.19.24.109", "500.6");
            sdNum = plcResult3.Data;
            success = true;
        }
        catch
        {
            success = false;
        }


        JObject json = new JObject(
            new JProperty("success",success),
            new JProperty("ypnum",ypNum),
            new JProperty("wdnum",wdNum),
            new JProperty("sdnum",sdNum)
        );

        context.Response.Write(json.ToString());
    }

    public bool IsReusable
    {
        get
        {
            return false;
        }
    }

}