Project_Net4/010_浙江高速/002_高速驿站-分支/HighWay.WebSite/Modules/ContractTemplated/Attachment.aspx.cs

using System;
using System.Collections.Generic;
using System.Data;
using System.IO;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using SuperMap.RealEstate.Utility;
using Business = SuperMap.RealEstate.HighWay.Storage.Business;

namespace SuperMap.RealEstate.HighWay.Modules.ContractTemplated
{
    public partial class Attachment : BasePage
    {
        public string _ModifyType;
        protected void Page_Load(object sender, EventArgs e)
        {
            if (IsPostBack) return;

            if (Request["SearchType"] == "true")
            {
                _ModifyType = "0";
            }
            if (string.IsNullOrEmpty(Request["PRODEF_ID"]) || string.IsNullOrEmpty(Request["CONTRACT_TYPE"]))
            {
                Alert("请保存流程信息后上传合同模板！");
                ClosePopDialog();
            }
            else
            {
                PRODEF_ID.Text = Request["PRODEF_ID"].ToDecrypt() + "," + Request["CONTRACT_TYPE"].ToDecrypt();
                BindRepick();
            }
        }

        private void BindRepick()
        {
            //绑定对应的控件
            Repeater1.DataSource = (new Business.CONTRACTTEMPLATE(this.Transaction)).FillDataTable(
                "WHERE PRODEF_ID = '" + Request["PRODEF_ID"].ToDecrypt() + "' AND CONTRACT_TYPE = " +
                Request["CONTRACT_TYPE"].ToDecrypt() + " AND TEMPLATE_PATH IS NOT NULL");
            Repeater1.DataBind();

        }

        public byte[] StreamToBytes(Stream stream)
        {
            byte[] bytes = new byte[stream.Length];
            stream.Read(bytes, 0, bytes.Length);
            // 设置当前流的位置为流的开始   
            stream.Seek(0, SeekOrigin.Begin);
            return bytes;
        }

        protected void LinkButton_Click(object sender, EventArgs e)
        {
            LinkButton LinkButton = sender as LinkButton;
            //下载内容
            Business.CONTRACTTEMPLATE _CONTRACTTEMPLATE = new Business.CONTRACTTEMPLATE(this.Transaction);
            _CONTRACTTEMPLATE.CONTRACTTEMPLATE_ID_Encrypt = LinkButton.Attributes["base-code"];
            if (_CONTRACTTEMPLATE.Select())
            {
                System.IO.MemoryStream ms = new System.IO.MemoryStream();

                //解决文件名乱码
                string FileName = System.Web.HttpUtility.UrlEncode(!string.IsNullOrEmpty(_CONTRACTTEMPLATE.CONTRACTTEMPLATE_DESC) ?
                    _CONTRACTTEMPLATE.CONTRACTTEMPLATE_DESC : _CONTRACTTEMPLATE.TEMPLATE_PATH, System.Text.Encoding.UTF8);

                string uploadPath = HttpContext.Current.Server.MapPath("~/UploadImageDir/ContractTemplate/") + "\\" +
                    ((!string.IsNullOrEmpty(_CONTRACTTEMPLATE.CONTRACTTEMPLATE_DESC) && !string.IsNullOrEmpty(_CONTRACTTEMPLATE.TEMPLATE_PATH)) ?
                    _CONTRACTTEMPLATE.TEMPLATE_PATH + "\\" + _CONTRACTTEMPLATE.CONTRACTTEMPLATE_DESC : _CONTRACTTEMPLATE.TEMPLATE_PATH);
                HttpContext.Current.Response.Clear();
                HttpContext.Current.Response.Buffer = true;
                HttpContext.Current.Response.Charset = "utf-8";
                HttpContext.Current.Response.ContentEncoding = System.Text.Encoding.GetEncoding("utf-8");//设置输出流为简体中文   
                HttpContext.Current.Response.AddHeader("Content-Disposition", string.Format("attachment; filename=" +
                    FileName, DateTime.Now.ToString("yyyyMMddHHmmssfff")));
                HttpContext.Current.Response.BinaryWrite(System.IO.File.ReadAllBytes(uploadPath));
                HttpContext.Current.Response.ContentType = "application/ms-excel";//设置输出文件类型为excel文件。                          
                HttpContext.Current.Response.End();
                ms.Close();
                ms.Dispose();
            }

        }

        protected void Repeater1_ItemDataBound(object sender, RepeaterItemEventArgs e)
        {
            if (e.Item.ItemType == System.Web.UI.WebControls.ListItemType.Item ||
                e.Item.ItemType == System.Web.UI.WebControls.ListItemType.AlternatingItem ||
                e.Item.ItemType == System.Web.UI.WebControls.ListItemType.SelectedItem)
            {
                DataRowView _DataRowView = (DataRowView)e.Item.DataItem;

                LinkButton LinkButton = e.Item.FindControl("LinkButton") as LinkButton;
                LinkButton.ToolTip = (!string.IsNullOrEmpty(_DataRowView["CONTRACTTEMPLATE_DESC"].ToString()) &&
                    !string.IsNullOrEmpty(_DataRowView["TEMPLATE_PATH"].ToString())) ? _DataRowView["CONTRACTTEMPLATE_DESC"].ToString() :
                    _DataRowView["TEMPLATE_NAME"].ToString();
                LinkButton.Text = "<span><img src='/HighWay/Resources/v1_0/Images/4950_old-versions.png' />" +
                    (LinkButton.ToolTip.Length > 30 ? LinkButton.ToolTip.Substring(0, 25) + "..." : LinkButton.ToolTip) + "</span>";
                LinkButton.Attributes["base-code"] = _DataRowView["CONTRACTTEMPLATE_ID"].ToEncrypt();

                LinkButton DelButton = e.Item.FindControl("DelButton") as LinkButton;
                if (Request["SearchType"] == "true")
                {
                    DelButton.Visible = false;
                }
                else
                {
                    DelButton.Text = "<span><img src='/HighWay/Resources/v1_0/Images/delete.png' /></span>";
                    DelButton.Attributes["base-code"] = _DataRowView["CONTRACTTEMPLATE_ID"].ToEncrypt();
                }
            }
        }

        protected void DelButton_Click(object sender, EventArgs e)
        {
            try
            {
                LinkButton LinkButton = sender as LinkButton;
                Business.CONTRACTTEMPLATE _CONTRACTTEMPLATE = new Business.CONTRACTTEMPLATE(Transaction);
                _CONTRACTTEMPLATE.CONTRACTTEMPLATE_ID_Encrypt = LinkButton.Attributes["base-code"].ToString();
                if (_CONTRACTTEMPLATE.Select())
                {
                    //if (Directory.Exists(HttpContext.Current.Server.MapPath("~/UploadImageDir/ContractTemplate")) &&
                    //    File.Exists(HttpContext.Current.Server.MapPath("~/UploadImageDir/ContractTemplate/") + "\\" +
                    //    _CONTRACTTEMPLATE.TEMPLATE_PATH))
                    //{
                    //    File.Delete(HttpContext.Current.Server.MapPath("~/UploadImageDir/ContractTemplate/") + "\\" +
                    //        _CONTRACTTEMPLATE.TEMPLATE_PATH);
                    //}
                    if (!string.IsNullOrEmpty(_CONTRACTTEMPLATE.CONTRACTTEMPLATE_DESC) && !string.IsNullOrEmpty(_CONTRACTTEMPLATE.TEMPLATE_PATH))
                    {
                        if (Directory.Exists(HttpContext.Current.Server.MapPath("~/UploadImageDir/CompactFile/") + 
                            _CONTRACTTEMPLATE.CONTRACTTEMPLATE_DESC))
                        {
                            Directory.Delete(HttpContext.Current.Server.MapPath("~/UploadImageDir/CompactFile/") +
                                _CONTRACTTEMPLATE.TEMPLATE_PATH, true);
                        }
                    }
                    else
                    {
                        if (Directory.Exists(HttpContext.Current.Server.MapPath("~/UploadImageDir/CompactFile")) &&
                            File.Exists(HttpContext.Current.Server.MapPath("~/UploadImageDir/CompactFile/") + 
                            _CONTRACTTEMPLATE.TEMPLATE_PATH))
                        {
                            File.Delete(HttpContext.Current.Server.MapPath("~/UploadImageDir/CompactFile/") + 
                                _CONTRACTTEMPLATE.TEMPLATE_PATH);
                        }
                    }
                    _CONTRACTTEMPLATE.Delete();
                }
                BindRepick();
            }
            catch (Exception ex)
            {
                //回滚事务
                Transaction.Rollback();
                //记录日志
                ErrorLogHelper.Write(ex);
            }
        }

        protected void CallBackButton1_Click(object sender, EventArgs e)
        {
            BindRepick();
        }
    }
}