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@@ -1,6 +1,9 @@
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using System.IO;
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+using System.Reflection;
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using System.Security.Cryptography;
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+using DocumentFormat.OpenXml.InkML;
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+
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using Microsoft.EntityFrameworkCore;
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using Microsoft.EntityFrameworkCore.Infrastructure;
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using Microsoft.EntityFrameworkCore.Metadata;
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@@ -9,195 +12,328 @@ using UniformMaterialManagementSystem.Data;
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namespace UniformMaterialManagementSystem.Utils
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{
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- public static class DataBaseUtil
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- {
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- private static readonly string DataBasePath = Environment.CurrentDirectory + "\\DataBase";
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- private const string Password = "88384e6a-07e0-47e9-8214-4470a16e78da";
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-
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- public static async void ExportTable<T>(string targetConnectionString) where T : class
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- {
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- CreateExportFolder();
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+ //public static class DataBaseUtil
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+ //{
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+ // private static readonly string DataBasePath = Environment.CurrentDirectory + "\\DataBase";
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+ // private const string Password = "88384e6a-07e0-47e9-8214-4470a16e78da";
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- var optionsBuilderSource = new DbContextOptionsBuilder<SqliteContext>();
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- optionsBuilderSource.UseSqlite("Data Source=UniformMaterialManagementSystem.db");
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+ // private static readonly SqliteContext _context = new SqliteContext("");
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- var targetPath = $"{DataBasePath}\\UniformMaterialManagementSystem.db";
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+ // public static async void ExportTable<T>(string targetConnectionString,IEnumerable<T> sourceData) where T : class
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+ // {
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+ // CreateExportFolder();
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- var optionsBuilderTarget = new DbContextOptionsBuilder<SqliteContext>();
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- optionsBuilderTarget.UseSqlite($"Data Source={targetPath}");
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-
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- await using var sourceContext = new SqliteContext(optionsBuilderSource.Options);
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- await using var targetContext = new SqliteContext(optionsBuilderTarget.Options);
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-
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- // 读取源数据
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- var sourceData = await sourceContext.Set<T>()
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- .IncludeAll()
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- .ToListAsync();
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-
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- // 确保目标数据库创建
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- await targetContext.Database.MigrateAsync();
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-
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- // 获取目标 DbSet
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- var targetDbSet = targetContext.Set<T>();
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-
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- // 添加到目标数据库
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- targetDbSet.AddRange(sourceData);
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- await targetContext.SaveChangesAsync();
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-
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- EncryptFile(targetPath, targetConnectionString);
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- }
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-
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- public static async void ImportTable<T>(string sourceConnectionString) where T : class
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- {
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- CreateExportFolder();
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-
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- var sourcePath = $"{DataBasePath}\\UniformMaterialManagementSystem.db";
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- DecryptFile(sourceConnectionString, sourcePath);
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-
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- var optionsBuilderSource = new DbContextOptionsBuilder<SqliteContext>();
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- optionsBuilderSource.UseSqlite($"Data Source={sourcePath}");
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-
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- var optionsBuilderTarget = new DbContextOptionsBuilder<SqliteContext>();
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- optionsBuilderTarget.UseSqlite("Data Source=UniformMaterialManagementSystem.db");
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-
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- await using var sourceContext = new SqliteContext(optionsBuilderSource.Options);
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- await using var targetContext = new SqliteContext(optionsBuilderTarget.Options);
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-
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- // 确保目标数据库创建
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- await targetContext.Database.MigrateAsync();
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-
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- // 读取源数据
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- var sourceData = sourceContext.Set<T>()
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- .IncludeAll()
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- .ToList();
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-
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- // 获取目标 DbSet
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- var targetDbSet = targetContext.Set<T>();
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-
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- // 如果目标 DbSet 有数据，可以选择清除现有数据或更新数据
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- // targetDbSet.RemoveRange(targetDbSet.ToList());
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- // targetContext.SaveChanges();
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-
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- // 添加到目标数据库
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- targetDbSet.AddRange(sourceData);
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- await targetContext.SaveChangesAsync();
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- }
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-
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- private static void CreateExportFolder()
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- {
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- if (!Directory.Exists(DataBasePath))
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- {
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- Directory.CreateDirectory(DataBasePath);
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- }
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- }
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-
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- public static IQueryable<TEntity> IncludeAll<TEntity>(this DbSet<TEntity> dbSet, int maxDepth = int.MaxValue) where TEntity :class
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- {
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- IQueryable<TEntity> result = dbSet;
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- var context = dbSet.GetService<ICurrentDbContext>().Context;
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- var includePaths = GetIncludePaths<TEntity>(context, maxDepth);
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-
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- foreach (var includePath in includePaths)
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- {
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- result = result.Include(includePath);
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- }
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-
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- return result;
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- }
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-
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- private static IEnumerable<string> GetIncludePaths<T>(DbContext context, int maxDepth = int.MaxValue)
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- {
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- if (maxDepth < 0)
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- throw new ArgumentOutOfRangeException(nameof(maxDepth));
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-
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- var entityType = context.Model.FindEntityType(typeof(T));
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- var includedNavigations = new HashSet<INavigation>();
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- var stack = new Stack<IEnumerator<INavigation>>();
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-
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- while (true)
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- {
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- var entityNavigations = new List<INavigation>();
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-
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- if (stack.Count <= maxDepth)
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- {
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- if (entityType != null)
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- foreach (var navigation in entityType.GetNavigations())
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- {
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- if (includedNavigations.Add(navigation))
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- entityNavigations.Add(navigation);
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- }
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- }
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-
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- if (entityNavigations.Count == 0)
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- {
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- if (stack.Count > 0)
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- yield return string.Join(".", stack.Reverse().Select(e => e.Current.Name));
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- }
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- else
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- {
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- foreach (var navigation in entityNavigations)
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- {
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- var inverseNavigation = navigation.Inverse;
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- if (inverseNavigation != null)
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- includedNavigations.Add(inverseNavigation);
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- }
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-
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- stack.Push(entityNavigations.GetEnumerator());
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- }
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-
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- while (stack.Count > 0 && !stack.Peek().MoveNext())
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- stack.Pop();
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-
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- if (stack.Count == 0)
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- break;
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-
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- entityType = stack.Peek().Current.TargetEntityType;
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- }
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- }
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-
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- private static void EncryptFile(string inputFile, string outputFile)
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- {
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- // 生成密钥和初始化向量
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- GenerateAesKeyAndIv(out var key, out var iv);
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-
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- using var aesAlg = Aes.Create();
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- aesAlg.Key = key;
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- aesAlg.IV = iv;
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-
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- var encryptor = aesAlg.CreateEncryptor(aesAlg.Key, aesAlg.IV);
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-
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- using var outFileStream = new FileStream(outputFile, FileMode.Create);
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- using var csEncrypt = new CryptoStream(outFileStream, encryptor, CryptoStreamMode.Write);
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- using var inFileStream = new FileStream(inputFile, FileMode.Open);
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-
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- inFileStream.CopyTo(csEncrypt);
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- }
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-
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- private static void DecryptFile(string inputFile, string outputFile)
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- {
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- // 生成密钥和初始化向量
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- GenerateAesKeyAndIv(out var key, out var iv);
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-
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- using var aesAlg = Aes.Create();
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- aesAlg.Key = key;
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- aesAlg.IV = iv;
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-
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- var decryptor = aesAlg.CreateDecryptor(aesAlg.Key, aesAlg.IV);
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-
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- using var fileStream = new FileStream(inputFile, FileMode.Open);
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- using var csDecrypt = new CryptoStream(fileStream, decryptor, CryptoStreamMode.Read);
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- using var outFileStream = new FileStream(outputFile, FileMode.Create);
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-
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- csDecrypt.CopyTo(outFileStream);
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- }
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-
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- private static void GenerateAesKeyAndIv(out byte[] key, out byte[] iv)
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- {
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- using var pdb = new Rfc2898DeriveBytes(Password, [0x49, 0x76, 0x61, 0x6e, 0x20, 0x4d, 0x65, 0x64, 0x76, 0x65, 0x64, 0x65, 0x76
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- ]);
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-
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- key = pdb.GetBytes(32); // 256位密钥
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- iv = pdb.GetBytes(16); // 128位IV
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- }
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- }
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+ // var optionsBuilderSource = new DbContextOptionsBuilder<SqliteContext>();
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+ // optionsBuilderSource.UseSqlite("Data Source=UniformMaterialManagementSystem.db");
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+
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+ // var targetPath = $"{DataBasePath}\\UniformMaterialManagementSystem.db";
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+
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+ // var optionsBuilderTarget = new DbContextOptionsBuilder<SqliteContext>();
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+ // optionsBuilderTarget.UseSqlite($"Data Source={targetPath}");
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+
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+ // await using var sourceContext = new SqliteContext(optionsBuilderSource.Options);
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+ // await using var targetContext = new SqliteContext(optionsBuilderTarget.Options);
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+
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+ // // 确保目标数据库创建
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+ // await targetContext.Database.MigrateAsync();
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+
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+ // // 获取目标 DbSet
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+ // var targetDbSet = targetContext.Set<T>();
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+
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+ // // 添加到目标数据库
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+ // targetDbSet.AddRange(sourceData);
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+ // await targetContext.SaveChangesAsync();
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+
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+ // EncryptFile(targetPath, targetConnectionString);
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+ // }
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+
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+ // public static async void ImportTable<T>(string sourceConnectionString) where T : class
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+ // {
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+ // CreateExportFolder();
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+
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+ // var sourcePath = $"{DataBasePath}\\UniformMaterialManagementSystem.db";
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+ // DecryptFile(sourceConnectionString, sourcePath);
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+
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+ // var optionsBuilderSource = new DbContextOptionsBuilder<SqliteContext>();
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+ // optionsBuilderSource.UseSqlite($"Data Source={sourcePath}");
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+
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+ // var optionsBuilderTarget = new DbContextOptionsBuilder<SqliteContext>();
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+ // optionsBuilderTarget.UseSqlite("Data Source=UniformMaterialManagementSystem.db");
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+
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+ // await using var sourceContext = new SqliteContext(optionsBuilderSource.Options);
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+ // await using var targetContext = new SqliteContext(optionsBuilderTarget.Options);
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+
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+ // // 确保目标数据库创建
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+ // await targetContext.Database.MigrateAsync();
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+
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+ // // 读取源数据
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+ // var sourceData = sourceContext.Set<T>()
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+ // .IncludeAll()
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+ // .ToList();
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+
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+ // // 获取目标 DbSet
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+ // var targetDbSet = targetContext.Set<T>();
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+
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+ // // 如果目标 DbSet 有数据，可以选择清除现有数据或更新数据
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+ // //targetDbSet.RemoveRange(targetDbSet.ToList());
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+ // //await targetContext.SaveChangesAsync();
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+
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+ // // 添加到目标数据库
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+ // targetDbSet.AddRange(sourceData);
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+ // await targetContext.SaveChangesAsync();
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+ // }
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+
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+ // public static async Task ImportData<T>(List<T> entities, Func<T, object> keySelector, bool updateExisting = true) where T : class
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+ // {
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+ // var dbSet = _context.Set<T>();
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+ // var existingEntities = await dbSet.ToListAsync();
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+
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+ // foreach (var entity in entities)
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+ // {
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+ // var key = keySelector(entity);
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+ // var existingEntity = existingEntities.FirstOrDefault(e => keySelector(e).Equals(key));
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+
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+ // if (existingEntity != null && updateExisting)
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+ // {
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+ // // 更新现有实体
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+ // await UpdateEntityWithRelations(existingEntity, entity);
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+ // }
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+ // else if (existingEntity == null)
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+ // {
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+ // // 添加新实体
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+ // await AddEntityWithRelations(entity);
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+ // }
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+ // }
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+
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+ // await _context.SaveChangesAsync();
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+ // }
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+
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+ // private static async Task UpdateEntityWithRelations<T>(T existingEntity, T newEntity) where T : class
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+ // {
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+ // _context.Entry(existingEntity).CurrentValues.SetValues(newEntity);
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+
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+ // foreach (var property in typeof(T).GetProperties())
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+ // {
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+ // if (property.PropertyType.IsClass && property.PropertyType != typeof(string))
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+ // {
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+ // var existingRelatedEntity = property.GetValue(existingEntity);
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+ // var newRelatedEntity = property.GetValue(newEntity);
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+
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+ // if (newRelatedEntity != null)
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+ // {
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+ // if (existingRelatedEntity == null)
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+ // {
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+ // // 如果现有实体没有相关实体，但新实体有，则添加新的相关实体
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+ // property.SetValue(existingEntity, newRelatedEntity);
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+ // _context.Entry(newRelatedEntity).State = EntityState.Added;
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+ // }
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+ // else
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+ // {
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+ // // 如果两者都有相关实体，则递归更新
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+ // await UpdateEntityWithRelations(existingRelatedEntity, newRelatedEntity);
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+ // }
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+ // }
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+ // }
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+ // else if (property.PropertyType.IsGenericType &&
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+ // property.PropertyType.GetGenericTypeDefinition() == typeof(ICollection<>))
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+ // {
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+ // // 处理集合导航属性
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+ // await HandleCollectionNavigation(existingEntity, newEntity, property);
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+ // }
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+ // }
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+ // }
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+
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+ // private static async Task AddEntityWithRelations<T>(T entity) where T : class
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+ // {
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+ // await _context.Set<T>().AddAsync(entity);
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+
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+ // foreach (var property in typeof(T).GetProperties())
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+ // {
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+ // if (property.PropertyType.IsClass && property.PropertyType != typeof(string))
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+ // {
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+ // var relatedEntity = property.GetValue(entity);
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+ // if (relatedEntity != null)
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+ // {
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+ // await AddEntityWithRelations(relatedEntity);
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+ // }
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+ // }
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+ // else if (property.PropertyType.IsGenericType &&
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+ // property.PropertyType.GetGenericTypeDefinition() == typeof(ICollection<>))
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+ // {
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+ // if (property.GetValue(entity) is not IEnumerable<object> collection) continue;
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+
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+ // foreach (var item in collection)
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+ // {
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+ // await AddEntityWithRelations(item);
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+ // }
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+ // }
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+ // }
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+ // }
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+
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+ // private static async Task HandleCollectionNavigation<T>(T existingEntity, T newEntity, PropertyInfo property) where T : class
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+ // {
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+ // var existingCollection = property.GetValue(existingEntity) as IEnumerable<object>;
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+ // var newCollection = property.GetValue(newEntity) as IEnumerable<object>;
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+
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+ // if (existingCollection == null || newCollection == null)
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+ // return;
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+
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+ // var existingList = existingCollection.ToList();
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+ // var newList = newCollection.ToList();
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+
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+ // // 获取集合元素类型
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+ // var elementType = property.PropertyType.GetGenericArguments()[0];
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+
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+ // // 假设每个元素都有一个 Id 属性作为键
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+ // var keyProperty = elementType.GetProperty("Id");
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+ // if (keyProperty == null)
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+ // throw new InvalidOperationException($"No Id property found for type {elementType.Name}");
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+
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+ // foreach (var newItem in newList)
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+ // {
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+ // var newItemKey = keyProperty.GetValue(newItem);
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+ // var existingItem = existingList.FirstOrDefault(e => keyProperty.GetValue(e).Equals(newItemKey));
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+
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+ // if (existingItem != null)
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+ // {
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+ // // 更新现有项
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+ // await UpdateEntityWithRelations(existingItem, newItem);
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+ // }
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+ // else
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+ // {
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+ // // 添加新项
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+ // existingList.Add(newItem);
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+ // await AddEntityWithRelations(newItem);
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+ // }
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+ // }
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+
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+ // // 移除不再存在的项
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+ // var itemsToRemove = existingList.Where(e => !newList.Any(n => keyProperty.GetValue(n).Equals(keyProperty.GetValue(e)))).ToList();
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+ // foreach (var item in itemsToRemove)
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+ // {
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+ // existingList.Remove(item);
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+ // _context.Entry(item).State = EntityState.Deleted;
|
|
|
+ // }
|
|
|
+
|
|
|
+ // // 更新集合
|
|
|
+ // property.SetValue(existingEntity, existingList);
|
|
|
+ // }
|
|
|
+
|
|
|
+ // private static void CreateExportFolder()
|
|
|
+ // {
|
|
|
+ // if (!Directory.Exists(DataBasePath))
|
|
|
+ // {
|
|
|
+ // Directory.CreateDirectory(DataBasePath);
|
|
|
+ // }
|
|
|
+ // }
|
|
|
+
|
|
|
+ // public static IQueryable<TEntity> IncludeAll<TEntity>(this DbSet<TEntity> dbSet, int maxDepth = int.MaxValue) where TEntity :class
|
|
|
+ // {
|
|
|
+ // IQueryable<TEntity> result = dbSet;
|
|
|
+ // var context = dbSet.GetService<ICurrentDbContext>().Context;
|
|
|
+ // var includePaths = GetIncludePaths<TEntity>(context, maxDepth);
|
|
|
+
|
|
|
+ // foreach (var includePath in includePaths)
|
|
|
+ // {
|
|
|
+ // result = result.Include(includePath);
|
|
|
+ // }
|
|
|
+
|
|
|
+ // return result;
|
|
|
+ // }
|
|
|
+
|
|
|
+ // private static IEnumerable<string> GetIncludePaths<T>(DbContext context, int maxDepth = int.MaxValue)
|
|
|
+ // {
|
|
|
+ // if (maxDepth < 0)
|
|
|
+ // throw new ArgumentOutOfRangeException(nameof(maxDepth));
|
|
|
+
|
|
|
+ // var entityType = context.Model.FindEntityType(typeof(T));
|
|
|
+ // var includedNavigations = new HashSet<INavigation>();
|
|
|
+ // var stack = new Stack<IEnumerator<INavigation>>();
|
|
|
+
|
|
|
+ // while (true)
|
|
|
+ // {
|
|
|
+ // var entityNavigations = new List<INavigation>();
|
|
|
+
|
|
|
+ // if (stack.Count <= maxDepth)
|
|
|
+ // {
|
|
|
+ // if (entityType != null)
|
|
|
+ // foreach (var navigation in entityType.GetNavigations())
|
|
|
+ // {
|
|
|
+ // if (includedNavigations.Add(navigation))
|
|
|
+ // entityNavigations.Add(navigation);
|
|
|
+ // }
|
|
|
+ // }
|
|
|
+
|
|
|
+ // if (entityNavigations.Count == 0)
|
|
|
+ // {
|
|
|
+ // if (stack.Count > 0)
|
|
|
+ // yield return string.Join(".", stack.Reverse().Select(e => e.Current.Name));
|
|
|
+ // }
|
|
|
+ // else
|
|
|
+ // {
|
|
|
+ // foreach (var navigation in entityNavigations)
|
|
|
+ // {
|
|
|
+ // var inverseNavigation = navigation.Inverse;
|
|
|
+ // if (inverseNavigation != null)
|
|
|
+ // includedNavigations.Add(inverseNavigation);
|
|
|
+ // }
|
|
|
+
|
|
|
+ // stack.Push(entityNavigations.GetEnumerator());
|
|
|
+ // }
|
|
|
+
|
|
|
+ // while (stack.Count > 0 && !stack.Peek().MoveNext())
|
|
|
+ // stack.Pop();
|
|
|
+
|
|
|
+ // if (stack.Count == 0)
|
|
|
+ // break;
|
|
|
+
|
|
|
+ // entityType = stack.Peek().Current.TargetEntityType;
|
|
|
+ // }
|
|
|
+ // }
|
|
|
+
|
|
|
+ // private static void EncryptFile(string inputFile, string outputFile)
|
|
|
+ // {
|
|
|
+ // // 生成密钥和初始化向量
|
|
|
+ // GenerateAesKeyAndIv(out var key, out var iv);
|
|
|
+
|
|
|
+ // using var aesAlg = Aes.Create();
|
|
|
+ // aesAlg.Key = key;
|
|
|
+ // aesAlg.IV = iv;
|
|
|
+
|
|
|
+ // var encryptor = aesAlg.CreateEncryptor(aesAlg.Key, aesAlg.IV);
|
|
|
+
|
|
|
+ // using var outFileStream = new FileStream(outputFile, FileMode.Create);
|
|
|
+ // using var csEncrypt = new CryptoStream(outFileStream, encryptor, CryptoStreamMode.Write);
|
|
|
+ // using var inFileStream = new FileStream(inputFile, FileMode.Open);
|
|
|
+
|
|
|
+ // inFileStream.CopyTo(csEncrypt);
|
|
|
+ // }
|
|
|
+
|
|
|
+ // private static void DecryptFile(string inputFile, string outputFile)
|
|
|
+ // {
|
|
|
+ // // 生成密钥和初始化向量
|
|
|
+ // GenerateAesKeyAndIv(out var key, out var iv);
|
|
|
+
|
|
|
+ // using var aesAlg = Aes.Create();
|
|
|
+ // aesAlg.Key = key;
|
|
|
+ // aesAlg.IV = iv;
|
|
|
+
|
|
|
+ // var decryptor = aesAlg.CreateDecryptor(aesAlg.Key, aesAlg.IV);
|
|
|
+
|
|
|
+ // using var fileStream = new FileStream(inputFile, FileMode.Open);
|
|
|
+ // using var csDecrypt = new CryptoStream(fileStream, decryptor, CryptoStreamMode.Read);
|
|
|
+ // using var outFileStream = new FileStream(outputFile, FileMode.Create);
|
|
|
+
|
|
|
+ // csDecrypt.CopyTo(outFileStream);
|
|
|
+ // }
|
|
|
+
|
|
|
+ // private static void GenerateAesKeyAndIv(out byte[] key, out byte[] iv)
|
|
|
+ // {
|
|
|
+ // using var pdb = new Rfc2898DeriveBytes(Password, [0x49, 0x76, 0x61, 0x6e, 0x20, 0x4d, 0x65, 0x64, 0x76, 0x65, 0x64, 0x65, 0x76
|
|
|
+ // ]);
|
|
|
+
|
|
|
+ // key = pdb.GetBytes(32); // 256位密钥
|
|
|
+ // iv = pdb.GetBytes(16); // 128位IV
|
|
|
+ // }
|
|
|
+ //}
|
|
|
}
|
宝臣 王