Project_Net4/010_浙江高速/005_疑难维修/MainTenance.WebSite/Handler/ModuleObject_ajax.ashx.cs

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Web;
using Spire.Doc;
using Spire.Doc.Documents;
using Business = SuperMap.RealEstate.MainTenance.Storage.Business;
using StorageBusiness = SuperMap.RealEstate.HighWay.Storage.Business;

namespace SuperMap.RealEstate.MainTenance.Storage.Handler
{
    /// <summary>
    /// Handler1 的摘要说明
    /// </summary>
    public class ModuleObject_ajax : IHttpHandler
    {
        public void ProcessRequest(HttpContext context)
        {
            context.Request.ContentEncoding = Encoding.GetEncoding("UTF-8");
            context.Response.ContentEncoding = Encoding.GetEncoding("UTF-8");
            context.Response.Charset = "UTF-8";

            string RetString = string.Empty;
            HttpPostedFile file = context.Request.Files["Filedata"];
            string Proinst_id = context.Request.Form["PROINST_ID"];
            string uploadtype = context.Request.Form["uploadtype"];
            string other_name = "";
            if (!string.IsNullOrEmpty(context.Request.Form["OTHER_NAME"]))
            {
                other_name = context.Request.Form["OTHER_NAME"].ToString();
            }
            if (string.IsNullOrWhiteSpace(Proinst_id))
            {
                return;
            }
            //string uploadPath = uploadtype == "contract_upload" ? HttpContext.Current.Server.MapPath(
            //    "~/UploadImageDir/ContractTemplate/") + "\\" : HttpContext.Current.Server.MapPath("~/UploadImageDir/CompactFile/") + "\\";
            string ExtraString = System.DateTime.Now.ToString("yyyyMMddHHmmss");
            string extension = Path.GetExtension(file.FileName).ToLower();
            string filename = Path.GetFileName(file.FileName).Replace(extension, "");
            string uploadPath = "", imagetype = "0";

            if (extension.ToLower() == ".exe")
            {
                RetString = "0";
                return;
            }

            #region 文件存储路径
            switch (uploadtype)
            {
                //设备维护
                case "upload_files":
                    uploadPath = HttpContext.Current.Server.MapPath("~/UploadImageDir/Maintain/") +
                        ExtraString + "_" + filename + "/";
                    break;
            }
            #endregion

            SuperMap.RealEstate.ServiceModel.Transaction _Transaction = new SuperMap.RealEstate.ServiceModel.Transaction();
            if (file != null)
            {
                ImageObject _ImageObject = new ImageObject();
                if (!Directory.Exists(uploadPath))
                {
                    Directory.CreateDirectory(uploadPath);
                }
                string webFilePath = uploadPath + filename + extension;        // 服务器端文件路径
                file.SaveAs(uploadPath + filename + extension);
                if (uploadtype == "contract_upload")
                {
                    if (File.Exists(webFilePath))
                    {
                        try
                        {
                            //file.SaveAs(webFilePath);                                // 使用 SaveAs 方法保存文件
                            Spire.Doc.Document doc = new Spire.Doc.Document();
                            doc.LoadFromFile(webFilePath);
                            PictureWatermark picture = new PictureWatermark();
                            picture.Picture = System.Drawing.Image.FromFile(HttpContext.Current.Server.MapPath(
                                "~/CreateWord/WaterMarkImage/watermark.png"));
                            picture.Scaling = 80;
                            doc.Watermark = picture;
                            doc.SaveToFile(webFilePath);
                        }
                        catch (Exception ex)
                        {
                            SuperMap.RealEstate.Utility.ErrorLogHelper.Write(ex);
                        }
                    }
                }

                #region 文件路径存储
                switch (uploadtype)
                {
                    case "upload_files":
                        if (extension != ".exe")
                        {
                            using (Business.IMAGE _IMAGE = new Business.IMAGE(_Transaction))
                            {
                                //_IMAGE.IMAGE_URL = filename + ExtraString + extension;
                                _IMAGE.IMAGE_DESC = filename + extension;
                                _IMAGE.IMAGE_PATH = "/Maintain/" + "" + ExtraString + "_" + filename;
                                _IMAGE.IMAGE_DATE = DateTime.Now;
                                _IMAGE.TABLE_ID = int.Parse(Proinst_id);
                                _IMAGE.TABLE_NAME = "T_MAINTAIN";
                                _IMAGE.Insert();
                                string fname = _IMAGE.IMAGE_URL;//HttpUtility.HtmlEncode(_ATTACHMENT.ATTACHMENT_NAME);
                                RetString = "{\"imageid\" : \"" + _IMAGE.IMAGE_ID_Encrypt + "\",  \"imagename\" : \"" + fname + "\"}";
                            }
                        }
                        else
                        {
                            RetString = "0";
                        }
                        break;
                }
                #endregion

                _Transaction.AutoCommit();
                context.Response.ContentType = "text/plain";
                //下面这句代码缺少的话，上传成功后上传队列的显示不会自动消失
                context.Response.Write(RetString);
            }
            else
            {
                context.Response.Write(RetString);
            }
        }

        public bool IsReusable
        {
            get
            {
                return false;
            }
        }

        #region webUpload使用方法
        //WebUpload使用方法
        //public void ProcessRequest(HttpContext context)
        //{

        //    //string id, string name, string type, string lastModifiedDate, int size, HttpPostedFileBase file
        //    string id = HttpContext.Current.Request.Form["id"];
        //    string name = HttpContext.Current.Request.Form["name"];
        //    string type = HttpContext.Current.Request.Form["type"];
        //    string lastModifiedDate = HttpContext.Current.Request.Form["lastModifiedDate"];
        //    int size = int.Parse(HttpContext.Current.Request.Form["size"]);
        //    //HttpPostedFileBase _HttpPostedFileBase = HttpContext.Current.Request.Files;

        //    //上传文件
        //    string action_type = HttpContext.Current.Request.Form["action_type"];

        //    string reString = string.Empty;





        //    string CurrentGuid = string.Empty;


        //    context.Response.ContentType = "text/plain";
        //    context.Response.Write(reString);
        //    context.Response.End();
        //}

        /// <summary>
        /// 文件保存操作
        /// </summary>
        /// <param name="basePath"></param>
        private void SaveFile(string basePath = "~/Upload/Images/")
        {
            var name = string.Empty;
            basePath = (basePath.IndexOf("~") > -1) ? System.Web.HttpContext.Current.Server.MapPath(basePath) :
            basePath;
            HttpFileCollection files = System.Web.HttpContext.Current.Request.Files;
            //如果目录不存在，则创建目录
            if (!Directory.Exists(basePath))
            {
                Directory.CreateDirectory(basePath);
            }

            var suffix = files[0].ContentType.Split('/');
            //获取文件格式
            var _suffix = suffix[1].Equals("jpeg", StringComparison.CurrentCultureIgnoreCase) ? "" : suffix[1];
            var _temp = System.Web.HttpContext.Current.Request["name"];
            //如果不修改文件名，则创建随机文件名
            if (!string.IsNullOrEmpty(_temp))
            {
                name = _temp;
            }
            else
            {
                Random rand = new Random(24 * (int)DateTime.Now.Ticks);
                name = rand.Next() + "." + _suffix;
            }
            //文件保存
            var full = basePath + name;
            files[0].SaveAs(full);
            var _result = "{\"jsonrpc\" : \"2.0\", \"result\" : null, \"id\" : \"" + name + "\"}";
            System.Web.HttpContext.Current.Response.Write(_result);
        }
        #endregion
    }

    #region 图片对象
    public class ImageObject
    {
        public string imagename
        {
            get;
            set;
        }
        public string imageid
        {
            get;
            set;
        }
    }
    #endregion
}