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using Newtonsoft.Json;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Text;
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using System.Threading;
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namespace Admin.Core.Common
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{
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public class LogLock
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{
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static ReaderWriterLockSlim LogWriteLock = new ReaderWriterLockSlim();
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static int WritedCount = 0;
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static int FailedCount = 0;
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static string _contentRoot = string.Empty;
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public LogLock(string contentPath)
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{
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_contentRoot = contentPath;
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}
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public static void OutSql2Log(string prefix, string[] dataParas, bool IsHeader = true)
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{
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try
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{
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//设置读写锁为写入模式独占资源，其他写入请求需要等待本次写入结束之后才能继续写入
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//注意：长时间持有读线程锁或写线程锁会使其他线程发生饥饿 (starve)。 为了得到最好的性能，需要考虑重新构造应用程序以将写访问的持续时间减少到最小。
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// 从性能方面考虑，请求进入写入模式应该紧跟文件操作之前，在此处进入写入模式仅是为了降低代码复杂度
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// 因进入与退出写入模式应在同一个try finally语句块内，所以在请求进入写入模式之前不能触发异常，否则释放次数大于请求次数将会触发异常
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LogWriteLock.EnterWriteLock();
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var folderPath = Path.Combine(_contentRoot, "Log");
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if (!Directory.Exists(folderPath))
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{
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Directory.CreateDirectory(folderPath);
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}
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//string logFilePath = Path.Combine(path, $@"{filename}.log");
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var logFilePath = FileHelper.GetAvailableFileWithPrefixOrderSize(folderPath, prefix);
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var now = DateTime.Now;
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string logContent = String.Join("\r\n", dataParas);
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if (IsHeader)
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{
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logContent = (
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"--------------------------------\r\n" +
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DateTime.Now + "|\r\n" +
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String.Join("\r\n", dataParas) + "\r\n"
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);
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}
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//if (logContent.IsNotEmptyOrNull() && logContent.Length > 500)
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//{
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// logContent = logContent.Substring(0, 500) + "\r\n";
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//}
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File.AppendAllText(logFilePath, logContent);
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WritedCount++;
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}
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catch (Exception e)
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{
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Console.Write(e.Message);
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FailedCount++;
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}
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finally
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{
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//退出写入模式，释放资源占用
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//注意：一次请求对应一次释放
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// 若释放次数大于请求次数将会触发异常[写入锁定未经保持即被释放]
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// 若请求处理完成后未释放将会触发异常[此模式不下允许以递归方式获取写入锁定]
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LogWriteLock.ExitWriteLock();
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}
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}
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/// <summary>
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/// 读取文件内容
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/// </summary>
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/// <param name="folderPath">文件夹路径</param>
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/// <param name="fileName">文件名</param>
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/// <param name="encode">编码</param>
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/// <param name="readType">读取类型(0:精准,1:前缀模糊)</param>
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/// <returns></returns>
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public static string ReadLog(string folderPath, string fileName, Encoding encode, ReadType readType = ReadType.Accurate)
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{
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string s = "";
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try
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{
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LogWriteLock.EnterReadLock();
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// 根据文件名读取当前文件内容
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if (readType == ReadType.Accurate)
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{
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var filePath = Path.Combine(folderPath, fileName);
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if (!File.Exists(filePath))
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{
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s = null;
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}
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else
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{
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StreamReader f2 = new StreamReader(filePath, encode);
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s = f2.ReadToEnd();
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f2.Close();
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f2.Dispose();
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}
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}
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// 根据前缀读取所有文件内容
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if (readType == ReadType.Prefix)
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{
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var allFiles = new DirectoryInfo(folderPath);
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var selectFiles = allFiles.GetFiles().Where(fi => fi.Name.ToLower().Contains(fileName.ToLower())).ToList();
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foreach (var item in selectFiles)
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{
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if (File.Exists(item.FullName))
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{
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StreamReader f2 = new StreamReader(item.FullName, encode);
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s += f2.ReadToEnd();
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f2.Close();
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f2.Dispose();
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}
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}
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}
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// 根据前缀读取 最新文件 时间倒叙
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if (readType == ReadType.PrefixLatest)
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{
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var allFiles = new DirectoryInfo(folderPath);
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var selectLastestFile = allFiles.GetFiles().Where(fi => fi.Name.ToLower().Contains(fileName.ToLower())).OrderByDescending(d => d.Name).FirstOrDefault();
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if (selectLastestFile != null && File.Exists(selectLastestFile.FullName))
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{
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StreamReader f2 = new StreamReader(selectLastestFile.FullName, encode);
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s = f2.ReadToEnd();
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f2.Close();
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f2.Dispose();
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}
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}
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}
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catch (Exception)
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{
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FailedCount++;
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}
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finally
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{
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LogWriteLock.ExitReadLock();
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}
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return s;
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}
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private static List<RequestInfo> GetRequestInfo(ReadType readType)
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{
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List<RequestInfo> requestInfos = new List<RequestInfo>();
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var accessLogs = ReadLog(Path.Combine(_contentRoot, "Log"), "RequestIpInfoLog_", Encoding.UTF8, readType).ObjToString();
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try
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{
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return JsonConvert.DeserializeObject<List<RequestInfo>>("[" + accessLogs + "]");
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}
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catch (Exception)
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{
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var accLogArr = accessLogs.Split("\r\n");
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foreach (var item in accLogArr)
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{
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if (item.ObjToString() != "")
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{
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try
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{
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var accItem = JsonConvert.DeserializeObject<RequestInfo>(item.TrimEnd(','));
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requestInfos.Add(accItem);
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}
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catch (Exception)
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{
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}
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}
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}
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}
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return requestInfos;
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}
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public static List<LogInfo> GetLogData()
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{
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List<LogInfo> aopLogs = new List<LogInfo>();
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List<LogInfo> excLogs = new List<LogInfo>();
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List<LogInfo> sqlLogs = new List<LogInfo>();
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List<LogInfo> reqresLogs = new List<LogInfo>();
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try
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{
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var aoplogContent = ReadLog(Path.Combine(_contentRoot, "Log"), "AOPLog_", Encoding.UTF8, ReadType.Prefix);
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if (!string.IsNullOrEmpty(aoplogContent))
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{
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aopLogs = aoplogContent.Split("--------------------------------")
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.Where(d => !string.IsNullOrEmpty(d) && d != "\n" && d != "\r\n")
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.Select(d => new LogInfo
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{
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Datetime = d.Split("|")[0].ObjToDate(),
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Content = d.Split("|")[1]?.Replace("\r\n", "<br>"),
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LogColor = "AOP",
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}).ToList();
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}
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}
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catch (Exception) { }
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try
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{
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var exclogContent = ReadLog(Path.Combine(_contentRoot, "Log"), $"GlobalExceptionLogs_{DateTime.Now.ToString("yyyMMdd")}.log", Encoding.UTF8);
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if (!string.IsNullOrEmpty(exclogContent))
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{
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excLogs = exclogContent.Split("--------------------------------")
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.Where(d => !string.IsNullOrEmpty(d) && d != "\n" && d != "\r\n")
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.Select(d => new LogInfo
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{
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Datetime = (d.Split("|")[0]).Split(',')[0].ObjToDate(),
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Content = d.Split("|")[1]?.Replace("\r\n", "<br>"),
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LogColor = "EXC",
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Import = 9,
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}).ToList();
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}
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}
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catch (Exception) { }
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try
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{
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var sqllogContent = ReadLog(Path.Combine(_contentRoot, "Log"), "SqlLog_", Encoding.UTF8, ReadType.PrefixLatest);
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if (!string.IsNullOrEmpty(sqllogContent))
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{
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sqlLogs = sqllogContent.Split("--------------------------------")
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.Where(d => !string.IsNullOrEmpty(d) && d != "\n" && d != "\r\n")
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.Select(d => new LogInfo
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{
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Datetime = d.Split("|")[0].ObjToDate(),
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Content = d.Split("|")[1]?.Replace("\r\n", "<br>"),
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LogColor = "SQL",
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}).ToList();
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}
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}
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catch (Exception) { }
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//try
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//{
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// reqresLogs = ReadLog(Path.Combine(_contentRoot, "Log", "RequestResponseLog.log"), Encoding.UTF8)?
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// .Split("--------------------------------")
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// .Where(d => !string.IsNullOrEmpty(d) && d != "\n" && d != "\r\n")
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// .Select(d => new LogInfo
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// {
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// Datetime = d.Split("|")[0].ObjToDate(),
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// Content = d.Split("|")[1]?.Replace("\r\n", "<br>"),
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// LogColor = "ReqRes",
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// }).ToList();
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//}
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//catch (Exception)
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//{
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//}
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try
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{
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var Logs = GetRequestInfo(ReadType.PrefixLatest);
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Logs = Logs.Where(d => d.Datetime.ObjToDate() >= DateTime.Today).ToList();
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reqresLogs = Logs.Select(d => new LogInfo
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{
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Datetime = d.Datetime.ObjToDate(),
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Content = $"IP:{d.Ip}<br>{d.Url}",
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LogColor = "ReqRes",
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}).ToList();
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}
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catch (Exception)
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{
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}
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if (excLogs != null)
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{
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aopLogs.AddRange(excLogs);
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}
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if (sqlLogs != null)
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{
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aopLogs.AddRange(sqlLogs);
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}
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if (reqresLogs != null)
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{
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aopLogs.AddRange(reqresLogs);
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}
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aopLogs = aopLogs.OrderByDescending(d => d.Import).ThenByDescending(d => d.Datetime).Take(100).ToList();
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return aopLogs;
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}
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public static RequestApiWeekView RequestApiinfoByWeek()
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{
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List<RequestInfo> Logs = new List<RequestInfo>();
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List<ApiWeek> apiWeeks = new List<ApiWeek>();
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string apiWeeksJson = string.Empty;
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List<string> columns = new List<string>();
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columns.Add("日期");
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try
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{
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Logs = GetRequestInfo(ReadType.Prefix);
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apiWeeks = (from n in Logs
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group n by new { n.Week, n.Url } into g
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select new ApiWeek
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{
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week = g.Key.Week,
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url = g.Key.Url,
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count = g.Count(),
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}).ToList();
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//apiWeeks = apiWeeks.OrderByDescending(d => d.count).Take(8).ToList();
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}
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catch (Exception)
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{
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}
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StringBuilder jsonBuilder = new StringBuilder();
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jsonBuilder.Append("[");
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var weeks = apiWeeks.GroupBy(x => new { x.week }).Select(s => s.First()).ToList();
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foreach (var week in weeks)
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{
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var apiweeksCurrentWeek = apiWeeks.Where(d => d.week == week.week).OrderByDescending(d => d.count).Take(5).ToList();
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jsonBuilder.Append("{");
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jsonBuilder.Append("\"");
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jsonBuilder.Append("日期");
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jsonBuilder.Append("\":\"");
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jsonBuilder.Append(week.week);
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jsonBuilder.Append("\",");
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foreach (var item in apiweeksCurrentWeek)
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{
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columns.Add(item.url);
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jsonBuilder.Append("\"");
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jsonBuilder.Append(item.url);
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jsonBuilder.Append("\":\"");
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jsonBuilder.Append(item.count);
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jsonBuilder.Append("\",");
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}
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if (apiweeksCurrentWeek.Count > 0)
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{
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jsonBuilder.Remove(jsonBuilder.Length - 1, 1);
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}
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jsonBuilder.Append("},");
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}
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if (weeks.Count > 0)
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{
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jsonBuilder.Remove(jsonBuilder.Length - 1, 1);
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}
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jsonBuilder.Append("]");
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//columns.AddRange(apiWeeks.OrderByDescending(d => d.count).Take(8).Select(d => d.url).ToList());
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columns = columns.Distinct().ToList();
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return new RequestApiWeekView()
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{
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columns = columns,
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rows = jsonBuilder.ToString(),
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};
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}
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public static AccessApiDateView AccessApiByDate()
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{
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List<RequestInfo> Logs = new List<RequestInfo>();
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List<ApiDate> apiDates = new List<ApiDate>();
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try
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{
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Logs = GetRequestInfo(ReadType.Prefix);
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apiDates = (from n in Logs
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group n by new { n.Date } into g
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select new ApiDate
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{
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date = g.Key.Date,
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count = g.Count(),
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}).ToList();
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apiDates = apiDates.OrderByDescending(d => d.date).Take(7).ToList();
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}
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catch (Exception)
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{
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}
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return new AccessApiDateView()
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{
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columns = new string[] { "date", "count" },
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rows = apiDates.OrderBy(d => d.date).ToList(),
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};
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}
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public static AccessApiDateView AccessApiByHour()
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{
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List<RequestInfo> Logs = new List<RequestInfo>();
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List<ApiDate> apiDates = new List<ApiDate>();
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try
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{
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Logs = GetRequestInfo(ReadType.Prefix);
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apiDates = (from n in Logs
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where n.Datetime.ObjToDate() >= DateTime.Today
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group n by new { hour = n.Datetime.ObjToDate().Hour } into g
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select new ApiDate
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{
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date = g.Key.hour.ToString("00"),
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count = g.Count(),
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}).ToList();
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apiDates = apiDates.OrderBy(d => d.date).Take(24).ToList();
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}
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catch (Exception)
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{
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}
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return new AccessApiDateView()
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{
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columns = new string[] { "date", "count" },
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rows = apiDates,
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};
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}
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}
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public enum ReadType
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{
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/// <summary>
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|
/// 精确查找一个
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/// </summary>
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|
Accurate,
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|
/// <summary>
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|
/// 指定前缀，模糊查找全部
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/// </summary>
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|
Prefix,
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/// <summary>
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/// 指定前缀，最新一个文件
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/// </summary>
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PrefixLatest
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}
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}
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