recyclebin.aspx.cs

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using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Collections.Generic;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.IO;
using Office.BLL;
using Office.Model;

public partial class File_RecycleBin : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if(!Page.IsPostBack)
            Bind();
    }
    //数据绑定
    private void Bind()
    {
        this.GridView1.DataSource = FileInfoManager.GetFileInfoByDelete();
        this.GridView1.DataBind();
    }

    private string fileIds = "";
    private string accessoryIds = "";
    //GridView命令行处理事件
    protected void GridView1_RowCommand(object sender, GridViewCommandEventArgs e)
    {
        //恢复
        if (e.CommandName == "restoration")
        {
            int fileid = Int32.Parse(e.CommandArgument.ToString());
            Office.Model.FileInfo file = FileInfoManager.GetFileInfoByFileId(fileid);
            file.IfDelete = 0;
            FileInfoManager.ModifyFileInfo(file);
            Bind();
            //操作日志
            OperateLog operate = new OperateLog();
            operate.ObjectId = file.FileId.ToString();
            operate.User = (UserInfo)Session["User"];
            operate.OperateName = "还原";
            operate.OperateDesc = "从回收站还原文件";
            operate.OperateTime = DateTime.Now;
            OperateLogManager.AddOperateLog(operate);
        }
        //删除
        if (e.CommandName == "dele")
        {
            int fileid = Int32.Parse(e.CommandArgument.ToString());
            fileIds = fileid + ",";
            FileInfoManager.DeleteFileInfoByIds(this.getFileIds(fileid));
            AccessoryFileManager.DeleteAccessoryFileByAccessoryIds(this.getAccessoryIds(fileid));
            Bind();
            //操作日志
            OperateLog operate = new OperateLog();
            operate.ObjectId = fileid.ToString();
            operate.User = (UserInfo)Session["User"];
            operate.OperateName = "彻底删除";
            operate.OperateDesc = "从回收站彻底删除文件";
            operate.OperateTime = DateTime.Now;
            OperateLogManager.AddOperateLog(operate);
        }
    }
    //得到文件IDs字符串
    private string getFileIds(Int32 fileId)
    {
        IList<Office.Model.FileInfo> list = FileInfoManager.GetFileInfosByParentId(fileId);
        foreach (Office.Model.FileInfo file in list)
        {
            fileIds += file.FileId.ToString() + ",";
            string path = file.FilePath;
            if (System.IO.File.Exists(path))
                File.Delete(path);
            getFileIds(file.FileId);
        }
        //去掉字符串最后面的一个字符
        return fileIds == "" ? "0" : fileIds.Substring(0, fileIds.Length - 1);
    }
    //得到附件Ids字符串
    private string getAccessoryIds(Int32 fileId)
    {
        IList<AccessoryFile> list = AccessoryFileManager.GetAllAccessoryFiles(fileId);
        foreach (AccessoryFile accessory in list)
        {
            accessoryIds += accessory.AccessoryId.ToString() + ",";
            string path = accessory.AccessoryPath;
            if (System.IO.File.Exists(path))
                File.Delete(path);
        }
        //去掉字符串最后面的一个字符
        return accessoryIds == "" ? "0" : accessoryIds.Substring(0, accessoryIds.Length - 1);
    }
    //数据行绑定事件
    protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
    {
        if (e.Row.RowType == DataControlRowType.DataRow)
        {
            e.Row.Attributes.Add("onmouseover", "oldcolor=this.style.backgroundColor;this.style.backgroundColor='lightYellow'");
            e.Row.Attributes.Add("onmouseout", "this.style.backgroundColor=oldcolor");

            ImageButton ibn = e.Row.FindControl("ImageButton2") as ImageButton;
            if (ibn != null)
            {
                ibn.Attributes.Add("onclick", "return confirm('删除该文件，其对应的附件、包括的子文件都会被删除,你确定要删除吗?')");
            }
        }
    }
}