131 lines
5.9 KiB
C#
131 lines
5.9 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Text;
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using System.IO;
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using System.Windows.Forms;
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namespace DataUpdate
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{
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public class LogHelper
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{
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public static string path = Application.StartupPath;
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private static Dictionary<long, long> lockDic = new Dictionary<long, long>();
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public static void WriteServiceLog(string LogData)
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{
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try
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{
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LogData = DateTime.Now.ToLongTimeString() + ":" + LogData;
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string LogName = "日志_Send" + System.DateTime.Now.Year.ToString() + "-" + System.DateTime.Now.Month.ToString() + "-" + System.DateTime.Now.Day.ToString() + ".log";
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string filename = path + "\\log\\" + LogName;
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if (!Directory.Exists(path + "\\log\\"))
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Directory.CreateDirectory(path + "\\log\\");
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using (FileStream fs = new FileStream(filename, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.ReadWrite, 8, FileOptions.Asynchronous))
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{
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Byte[] _data = new UTF8Encoding().GetBytes(LogData + Environment.NewLine);
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bool flag = true;
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long slen = _data.Length;
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long len = 0;
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while (flag)
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{
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try
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{
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if (len >= fs.Length)
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{
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fs.Lock(len, slen);
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lockDic[len] = slen;
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flag = false;
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}
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else
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{
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len = fs.Length;
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}
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}
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catch (Exception ex)
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{
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while (!lockDic.ContainsKey(len))
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{
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len += lockDic[len];
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}
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}
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}
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fs.Seek(0, SeekOrigin.End);
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fs.Write(_data, 0, _data.Length);
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fs.Flush();
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fs.Close();
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}
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}
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catch { }
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}
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public static void WriteServiceLog1(string LogData)
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{
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LogData = DateTime.Now.ToLongTimeString()+":" + LogData;
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string LogName = "日志_Send"+System.DateTime.Now.Year.ToString() + "-" + System.DateTime.Now.Month.ToString() + "-" + System.DateTime.Now.Day.ToString()+".log";
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string filename = path + "\\log\\" + LogName;
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if (!Directory.Exists(path + "\\log\\"))
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Directory.CreateDirectory(path + "\\log\\");
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FileStream fs = new FileStream(filename, FileMode.OpenOrCreate);
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fs.Seek(0, SeekOrigin.End);
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byte[] _data = new UTF8Encoding().GetBytes(LogData+"\r\n");
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fs.Write(_data, 0, _data.Length);
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fs.Flush();
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fs.Close();
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}
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public static void WriteServiceLog2(string LogData)
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{
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LogData = DateTime.Now.ToLongTimeString() + ":" + LogData;
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string LogName = "日志_Receive" + System.DateTime.Now.Year.ToString() + "-" + System.DateTime.Now.Month.ToString() + "-" + System.DateTime.Now.Day.ToString() + ".log";
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string filename = path + "\\" + LogName;
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FileStream fs = new FileStream(filename, FileMode.OpenOrCreate);
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fs.Seek(0, SeekOrigin.End);
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byte[] _data = new UTF8Encoding().GetBytes(LogData + "\r\n");
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fs.Write(_data, 0, _data.Length);
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fs.Flush();
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fs.Close();
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}
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/// <summary>
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/// 删除指定目录下的指定后缀名的文件
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/// </summary>
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/// <param name="directory">要删除的文件所在的目录，是绝对目录，如d:\temp</param>
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/// <param name="masks">要删除的文件的后缀名的一个数组，比如masks中包含了.cs,.vb,.c这三个元素</param>
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/// <param name="searchSubdirectories">表示是否需要递归删除，即是否也要删除子目录中相应的文件</param>
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/// <param name="ignoreHidden">表示是否忽略隐藏文件</param>
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/// /// <param name="deletedFileCount">表示总共删除的文件数</param>
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public static void DeleteFiles(string directory, string[] masks, bool searchSubdirectories, bool ignoreHidden, ref int deletedFileCount)
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{
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//先删除当前目录下指定后缀名的所有文件
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foreach (string file in Directory.GetFiles(directory, "*.*"))
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{
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if (!(ignoreHidden && (File.GetAttributes(file) & FileAttributes.Hidden) == FileAttributes.Hidden))
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{
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foreach (string mask in masks)
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{
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if (Path.GetExtension(file) == mask)
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{
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FileInfo _FileInfo = new FileInfo(file);
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if (_FileInfo.LastWriteTime < DateTime.Now.Date.AddDays(-10))
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{
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_FileInfo.Delete();
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deletedFileCount++;
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}
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}
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}
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}
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}
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//如果需要对子目录进行处理，则对子目录也进行递归操作
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if (searchSubdirectories)
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{
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string[] childDirectories = Directory.GetDirectories(directory);
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foreach (string dir in childDirectories)
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{
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if (!(ignoreHidden && (File.GetAttributes(dir) & FileAttributes.Hidden) == FileAttributes.Hidden))
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{
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DeleteFiles(dir, masks, searchSubdirectories, ignoreHidden, ref deletedFileCount);
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}
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}
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}
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}
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}
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}
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