BBMPT1/MESWebSite/HttpHandlers/ZpBadInjectionSearchHandler.ashx.cs

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Web;
using MESClassLibrary.BLL.BasicInfo;
using NPOI.SS.UserModel;
using NPOI.XSSF.UserModel;

namespace MESWebSite.HttpHandlers
{
    /// <summary>
    /// ZpBadInjectionSearchHandler 的摘要说明
    /// </summary>
    public class ZpBadInjectionSearchHandler : IHttpHandler
    {
        HttpRequest _request = null;
        HttpResponse _response = null;

        public void ProcessRequest(HttpContext context)
        {
            context.Response.ContentType = "text/plain";
            _request = context.Request;
            _response = context.Response;

            string method = _request.Params["method"];
            switch (method)
            {

                case "QueryList":
                    QueryList();
                    break;
                case "QueryExcel":
                    QueryExcel();
                    break;
            }
        }

        void QueryList()
        {
            string page = _request.Params["page"];
            string pageSize = _request.Params["rows"];
            string barCode = _request.Params["barcode"];
            string startTime = _request.Params["StartTime"];
            string endTime = _request.Params["EndTime"];

            if (string.IsNullOrEmpty(page))
            {
                page = "0";
            }
            if (string.IsNullOrEmpty(pageSize))
            {
                pageSize = "15";
            }

            BadInjectionBLL bll = new BadInjectionBLL();
            _response.Write(bll.SearchZpInfoAll(page, pageSize, barCode, startTime, endTime));
            _response.End();
        }

        void QueryExcel()
        {
            string barCode = _request.Params["barcode"];
            string startTime = _request.Params["StartTime"];
            string endTime = _request.Params["EndTime"];

            BadInjectionBLL bll = new BadInjectionBLL();
            List<List<string>> list = bll.SearchZpForExcel(barCode, startTime, endTime);

            XSSFWorkbook book = new XSSFWorkbook();
            ISheet sheet = book.CreateSheet("Sheet1");

            for (int i = 0; i < list.Count; i++)
            {
                IRow row = sheet.CreateRow(i);

                for (int k = 0; k < list[i].Count; k++)
                {
                    row.CreateCell(k).SetCellValue(list[i][k].ToString());
                }

            }

            // 写入到客户端  
            MemoryStream ms = new MemoryStream();
            book.Write(ms);
            _response.AddHeader("Content-Disposition", string.Format("attachment; filename={0}.xlsx", DateTime.Now.ToString("yyyyMMddHHmmssfff")));
            _response.BinaryWrite(ms.ToArray());
            book = null;
            ms.Close();
            ms.Dispose();
        }

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