using System;
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using System.Configuration;
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using System.Collections.Generic;
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using System.Text;
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using System.Web;
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using System.Web.UI;
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using System.Web.UI.HtmlControls;
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using System.Web.UI.WebControls;
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using System.Web.UI.WebControls.WebParts;
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using System.Web.Security;
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using System.IO;
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using System.IO.Compression;
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using System.Xml;
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using System.Diagnostics;
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using System.Windows.Forms;
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using System.Threading;
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namespace HH.WMS.Utils
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{
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public partial class ZFiles
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{
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private const string PATH_SPLIT_CHAR = "\\";
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#region 工具方法：ASP.NET上传文件的方法
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/// <summary>
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/// 工具方法：上传文件的方法
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/// </summary>
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/// <param name="myFileUpload">上传控件的ID</param>
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/// <param name="allowExtensions">允许上传的扩展文件名类型,如：string[] allowExtensions = { ".doc", ".xls", ".ppt", ".jpg", ".gif" };</param>
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/// <param name="maxLength">允许上传的最大大小，以M为单位</param>
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/// <param name="savePath">保存文件的目录，注意是绝对路径,如：Server.MapPath("~/upload/");</param>
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/// <param name="saveName">保存的文件名，如果是""则以原文件名保存</param>
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public static string FilesUpload(FileUpload myFileUpload, string[] allowExtensions, int maxLength, string savePath, string saveName)
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{
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// 文件格式是否允许上传
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bool fileAllow = false;
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//检查是否有文件案
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if (myFileUpload.HasFile)
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{
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// 检查文件大小, ContentLength获取的是字节，转成M的时候要除以2次1024
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if (myFileUpload.PostedFile.ContentLength / 1024 / 1024 >= maxLength)
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{
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return String.Format("只能上传小于{0}M的文件！",maxLength);
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}
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//取得上传文件之扩展文件名，并转换成小写字母
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string fileExtension = System.IO.Path.GetExtension(myFileUpload.FileName).ToLower();
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string tmp = ""; // 存储允许上传的文件后缀名
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//检查扩展文件名是否符合限定类型
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for (int i = 0; i < allowExtensions.Length; i++)
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{
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tmp += i == allowExtensions.Length - 1 ? allowExtensions[i] : allowExtensions[i] + ",";
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if (fileExtension == allowExtensions[i])
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{
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fileAllow = true;
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}
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}
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if (allowExtensions.Length == 0) { fileAllow = true; }
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if (fileAllow)
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{
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try
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{
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DirectoryInfo di = new DirectoryInfo(Path.GetFullPath(savePath));
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if (!di.Exists)
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{
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di.Create();
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}
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string path = savePath + (saveName == "" ? myFileUpload.FileName : saveName);
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//存储文件到文件夹
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myFileUpload.SaveAs(path);
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}
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catch (Exception ex)
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{
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throw new Exception(ex.Message);
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}
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}
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else
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{
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return "文件格式不符，可以上传的文件格式为：" + tmp;
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}
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}
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else
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{
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return "请选择要上传的文件！";
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}
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return "";
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}
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#endregion
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}
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}
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