252 lines
7.7 KiB
C#
252 lines
7.7 KiB
C#
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using System;
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using System.Text;
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using System.Configuration;
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using System.Web.UI.WebControls;
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using System.IO;
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using System.Web;
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using System.Net;
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using Newtonsoft.Json;
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using System.Web.UI;
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using System.Web.Hosting;
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namespace Eson.Utils
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{
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/// <summary>
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/// 文件操作帮助类
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/// </summary>
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public class Assistant
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{
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/// <summary>
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///删除指定目录下的所有文件
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/// </summary>
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/// <param name="srcPath">目录</param>
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public static void Deletes(string srcPath)
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{
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try
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{
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string[] fileList = Directory.GetFileSystemEntries(srcPath);//获取目录下所有文件目录和文件
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foreach (string file in fileList)
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{
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string pt = file;
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//检查是否含有"\\"字符
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if (pt.IndexOf("\\") > -1)
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{
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pt = pt.Replace("\\", "/");//把"\\"替换成"/"
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}
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//检查是否为目录
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if (Directory.Exists(pt))
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{
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if (pt.IndexOf("App_Data") > -1) //检查目录名是否为"App_Data" 如果是不执行操作
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{ }
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else if (pt.IndexOf("Admin") > -1)//检查目录名是否为"Admin" 如果是不执行操作
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{ }
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else
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{
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//删除该目录及目录下所有文件
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Directory.Delete(pt, true);
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}
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}
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else
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{
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//删除文件
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File.Delete(pt);
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}
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}
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}
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catch
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{
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}
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}
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/// <summary>
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/// 在执行完导入操作后，删除导入过程中临时存放的导入文件
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/// </summary>
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/// <param name="importFilePath"></param>
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public static void DeleteFileOfImport(string importFilePath)
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{
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if (Convert.ToBoolean(ConfigurationManager.AppSettings["ImportPathDel"]))
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{
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//删除文件
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try
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{
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System.IO.File.Delete(importFilePath);
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}
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catch { }
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}
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}
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/// <summary>
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/// 检查是否存在某文件，存在则删除
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/// </summary>
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/// <param name="strFilePath">文件路径</param>
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public static void DeleteFile(string strFilePath)
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{
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if (File.Exists(strFilePath))
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{
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try
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{
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File.Delete(strFilePath);
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}
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catch { }
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}
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}
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/// <summary>
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/// 上传文件
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/// </summary>
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/// <param name="fuXls">上传控件</param>
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/// <param name="strFilePath">文件路径</param>
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/// <param name="strPath">文件上层文件夹路径</param>
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public static void SaveFile(FileUpload fuXls, out string strFilePath, string strPath)
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{
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string virtualPath = ConfigurationManager.AppSettings[strPath] + fuXls.FileName;
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strFilePath = System.Web.HttpContext.Current.Server.MapPath(virtualPath);
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DeleteFile(strFilePath);
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fuXls.SaveAs(strFilePath);
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}
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/// <summary>
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/// 上传文件
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/// </summary>
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/// <param name="fuXls">上传控件</param>
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/// <param name="strPath">文件上层文件夹路径</param>
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/// <param name="saveName">文件名称（默认为空）</param>
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public static string UpLoadFile(FileUpload fuXls, string strPath, string saveName = "")
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{
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try
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{
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string fileName = fuXls.FileName;
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string extension = System.IO.Path.GetExtension(fileName).ToLower();
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if (string.IsNullOrEmpty(saveName))
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{
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saveName = GetRandomCode(15);
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}
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saveName = saveName + extension;
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string strFilePath = string.Empty;
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string virtualPath = strPath + saveName;
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strFilePath = System.Web.HttpContext.Current.Server.MapPath(virtualPath);
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DeleteFile(strFilePath);
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fuXls.SaveAs(strFilePath);
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return strFilePath;
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}
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catch (Exception ex)
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{
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throw ex;
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}
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}
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#region 从字符串里随机得到，规定个数的字符串
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/// <summary>
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/// 从字符串里随机得到，规定个数的字符串.
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/// </summary>
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/// <param name="allChar"></param>
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/// <param name="CodeCount"></param>
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/// <returns></returns>
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public static string GetRandomCode(int CodeCount)
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{
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string allChar = "1,2,3,4,5,6,7,8,9,A,B,C,D,E,F,G,H,i,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z";
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string[] allCharArray = allChar.Split(',');
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string RandomCode = "";
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int temp = -1;
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Random rand = new Random();
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for (int i = 0; i < CodeCount; i++)
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{
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if (temp != -1)
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{
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rand = new Random(temp * i * ((int)DateTime.Now.Ticks));
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}
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int t = rand.Next(allCharArray.Length - 1);
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while (temp == t)
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{
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t = rand.Next(allCharArray.Length - 1);
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}
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temp = t;
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RandomCode += allCharArray[t];
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}
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return RandomCode;
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}
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#endregion
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#region 记录日志
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/// <summary>
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/// 根据路径创建文件
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/// </summary>
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/// <param name="realPath">文件路径</param>
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public static void CreateLog(string realPath)
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{
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StreamWriter SW;
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SW = File.CreateText(realPath);
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//SW.WriteLine(string.Format("支付宝回调: {0}", DateTime.Now.ToString("dd-MM-yyyy hh:mm:ss")));
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SW.Close();
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}
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/// <summary>
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/// 向文件写入数据
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/// </summary>
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/// <param name="content">内容</param>
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/// <param name="realPath">文件路径</param>
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public static void WriteLog(string content, string realPath)
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{
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using (StreamWriter SW = File.AppendText(realPath))
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{
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SW.WriteLine(content);
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SW.Close();
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}
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}
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#endregion
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#region 获取虚拟目录根目录
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/// <summary>
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/// 获取虚拟目录根目录
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/// </summary>
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public static string SiteRoot
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{
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get
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{
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HttpRequest request = HttpContext.Current.Request;
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string root = request.ApplicationPath;
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if (root == "/") return root;
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else return root + "/";
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}
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}
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#endregion
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}
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/// <summary>
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/// 文件上传操作结果返回类
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/// </summary>
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public class FileUpLoadMsgInfo
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{
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public FileUpLoadMsgInfo()
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{
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IsSuccess = true;
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FilePath = string.Empty;
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Msg = "操作成功";
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}
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/// <summary>
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/// 是否上传成功
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/// </summary>
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public bool IsSuccess { get; set; }
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/// <summary>
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/// 上传好的文件路径
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/// </summary>
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public string FilePath { get; set; }
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/// <summary>
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/// 消息
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/// </summary>
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public string Msg { get; set; }
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}
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}
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