mirror of https://github.com/tuyoogame/YooAsset
345 lines
7.9 KiB
C#
345 lines
7.9 KiB
C#
using System;
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using System.Collections;
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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.Security.Cryptography;
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namespace YooAsset
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{
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/// <summary>
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/// 字符串工具类
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/// </summary>
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internal static class StringUtility
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{
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[ThreadStatic]
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private static StringBuilder _cacheBuilder = new StringBuilder(1024);
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public static string Format(string format, object arg0)
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{
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if (string.IsNullOrEmpty(format))
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throw new ArgumentNullException();
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_cacheBuilder.Length = 0;
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_cacheBuilder.AppendFormat(format, arg0);
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return _cacheBuilder.ToString();
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}
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public static string Format(string format, object arg0, object arg1)
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{
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if (string.IsNullOrEmpty(format))
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throw new ArgumentNullException();
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_cacheBuilder.Length = 0;
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_cacheBuilder.AppendFormat(format, arg0, arg1);
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return _cacheBuilder.ToString();
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}
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public static string Format(string format, object arg0, object arg1, object arg2)
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{
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if (string.IsNullOrEmpty(format))
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throw new ArgumentNullException();
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_cacheBuilder.Length = 0;
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_cacheBuilder.AppendFormat(format, arg0, arg1, arg2);
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return _cacheBuilder.ToString();
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}
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public static string Format(string format, params object[] args)
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{
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if (string.IsNullOrEmpty(format))
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throw new ArgumentNullException();
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if (args == null)
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throw new ArgumentNullException();
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_cacheBuilder.Length = 0;
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_cacheBuilder.AppendFormat(format, args);
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return _cacheBuilder.ToString();
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}
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public static List<string> StringToStringList(string str, char separator)
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{
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List<string> result = new List<string>();
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if (!String.IsNullOrEmpty(str))
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{
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string[] splits = str.Split(separator);
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foreach (string split in splits)
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{
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string value = split.Trim(); //移除首尾空格
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if (!String.IsNullOrEmpty(value))
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{
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result.Add(value);
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}
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}
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}
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return result;
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}
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public static bool StringToBool(string str)
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{
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int value = (int)Convert.ChangeType(str, typeof(int));
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return value > 0;
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}
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public static T NameToEnum<T>(string name)
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{
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if (Enum.IsDefined(typeof(T), name) == false)
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{
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throw new ArgumentException($"Enum {typeof(T)} is not defined name {name}");
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}
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return (T)Enum.Parse(typeof(T), name);
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}
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public static string RemoveFirstChar(string str)
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{
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if (string.IsNullOrEmpty(str))
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return str;
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return str.Substring(1);
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}
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public static string RemoveLastChar(string str)
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{
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if (string.IsNullOrEmpty(str))
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return str;
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return str.Substring(0, str.Length - 1);
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}
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public static string RemoveExtension(string str)
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{
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if (string.IsNullOrEmpty(str))
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return str;
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int index = str.LastIndexOf(".");
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if (index == -1)
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return str;
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else
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return str.Remove(index); //"assets/config/test.unity3d" --> "assets/config/test"
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}
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}
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/// <summary>
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/// 文件工具类
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/// </summary>
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internal static class FileUtility
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{
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/// <summary>
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/// 读取文件
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/// </summary>
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public static string ReadFile(string filePath)
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{
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if (File.Exists(filePath) == false)
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return string.Empty;
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return File.ReadAllText(filePath, Encoding.UTF8);
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}
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/// <summary>
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/// 创建文件（如果已经存在则删除旧文件）
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/// </summary>
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public static void CreateFile(string filePath, string content)
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{
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// 删除旧文件
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if (File.Exists(filePath))
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File.Delete(filePath);
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// 创建文件夹路径
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CreateFileDirectory(filePath);
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// 创建新文件
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byte[] bytes = Encoding.UTF8.GetBytes(content);
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using (FileStream fs = File.Create(filePath))
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{
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fs.Write(bytes, 0, bytes.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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/// <summary>
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/// 创建文件的文件夹路径
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/// </summary>
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public static void CreateFileDirectory(string filePath)
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{
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// 获取文件的文件夹路径
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string directory = Path.GetDirectoryName(filePath);
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CreateDirectory(directory);
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}
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/// <summary>
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/// 创建文件夹路径
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/// </summary>
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public static void CreateDirectory(string directory)
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{
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// If the directory doesn't exist, create it.
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if (Directory.Exists(directory) == false)
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Directory.CreateDirectory(directory);
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}
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/// <summary>
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/// 获取文件大小（字节数）
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/// </summary>
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public static long GetFileSize(string filePath)
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{
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FileInfo fileInfo = new FileInfo(filePath);
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return fileInfo.Length;
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}
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}
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/// <summary>
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/// 哈希工具类
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/// </summary>
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internal static class HashUtility
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{
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private static string ToString(byte[] hashBytes)
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{
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string result = BitConverter.ToString(hashBytes);
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result = result.Replace("-", "");
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return result.ToLower();
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}
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#region SHA1
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/// <summary>
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/// 获取字符串的Hash值
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/// </summary>
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public static string StringSHA1(string str)
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{
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byte[] buffer = Encoding.UTF8.GetBytes(str);
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return BytesSHA1(buffer);
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}
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/// <summary>
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/// 获取文件的Hash值
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/// </summary>
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public static string FileSHA1(string filePath)
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{
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try
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{
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using (FileStream fs = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.Read))
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{
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return StreamSHA1(fs);
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}
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}
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catch (Exception e)
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{
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YooLogger.Exception(e);
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return string.Empty;
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}
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}
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/// <summary>
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/// 获取数据流的Hash值
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/// </summary>
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public static string StreamSHA1(Stream stream)
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{
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// 说明：创建的是SHA1类的实例，生成的是160位的散列码
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HashAlgorithm hash = HashAlgorithm.Create();
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byte[] hashBytes = hash.ComputeHash(stream);
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return ToString(hashBytes);
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}
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/// <summary>
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/// 获取字节数组的Hash值
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/// </summary>
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public static string BytesSHA1(byte[] buffer)
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{
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// 说明：创建的是SHA1类的实例，生成的是160位的散列码
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HashAlgorithm hash = HashAlgorithm.Create();
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byte[] hashBytes = hash.ComputeHash(buffer);
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return ToString(hashBytes);
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}
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#endregion
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#region MD5
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/// <summary>
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/// 获取字符串的MD5
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/// </summary>
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public static string StringMD5(string str)
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{
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byte[] buffer = Encoding.UTF8.GetBytes(str);
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return BytesMD5(buffer);
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}
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/// <summary>
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/// 获取文件的MD5
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/// </summary>
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public static string FileMD5(string filePath)
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{
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try
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{
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using (FileStream fs = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.Read))
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{
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return StreamMD5(fs);
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}
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}
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catch (Exception e)
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{
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YooLogger.Exception(e);
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return string.Empty;
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}
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}
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/// <summary>
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/// 获取数据流的MD5
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/// </summary>
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public static string StreamMD5(Stream stream)
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{
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MD5CryptoServiceProvider provider = new MD5CryptoServiceProvider();
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byte[] hashBytes = provider.ComputeHash(stream);
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return ToString(hashBytes);
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}
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/// <summary>
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/// 获取字节数组的MD5
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/// </summary>
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public static string BytesMD5(byte[] buffer)
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{
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MD5CryptoServiceProvider provider = new MD5CryptoServiceProvider();
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byte[] hashBytes = provider.ComputeHash(buffer);
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return ToString(hashBytes);
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}
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#endregion
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#region CRC32
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/// <summary>
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/// 获取字符串的CRC32
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/// </summary>
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public static string StringCRC32(string str)
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{
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byte[] buffer = Encoding.UTF8.GetBytes(str);
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return BytesCRC32(buffer);
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}
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/// <summary>
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/// 获取文件的CRC32
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/// </summary>
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public static string FileCRC32(string filePath)
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{
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try
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{
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using (FileStream fs = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.Read))
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{
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return StreamCRC32(fs);
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}
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}
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catch (Exception e)
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{
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YooLogger.Exception(e);
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return string.Empty;
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}
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}
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/// <summary>
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/// 获取数据流的CRC32
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/// </summary>
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public static string StreamCRC32(Stream stream)
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{
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CRC32Algorithm hash = new CRC32Algorithm();
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byte[] hashBytes = hash.ComputeHash(stream);
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return ToString(hashBytes);
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}
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/// <summary>
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/// 获取字节数组的CRC32
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/// </summary>
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public static string BytesCRC32(byte[] buffer)
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{
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CRC32Algorithm hash = new CRC32Algorithm();
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byte[] hashBytes = hash.ComputeHash(buffer);
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return ToString(hashBytes);
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}
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#endregion
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}
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} |