188 lines
8.2 KiB
C#
188 lines
8.2 KiB
C#
//using System.Collections;
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//using System.Reflection;
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//using Dlhis.Basic.Common.DataExport.Request;
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//using Kurisu.AspNetCore.DataAccess.SqlSugar.Services;
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//using Kurisu.AspNetCore.Utils.Extensions;
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//using Mapster;
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//using Microsoft.AspNetCore.Mvc;
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//using Newtonsoft.Json.Linq;
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//using OfficeOpenXml;
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//using SqlSugar;
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//namespace Dlhis.Basic.Common.DataExport.Services.Implements
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//{
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// public class DataExportService : IDataExportService
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// {
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// protected IDbContext DbContext { get; }
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// public DataExportService(IDbContext dbContext)
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// {
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// DbContext = dbContext;
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// ExcelPackage.LicenseContext = LicenseContext.NonCommercial;
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// }
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// private readonly static MethodInfo _queryMethod = typeof(IAdo).GetMethod(nameof(IAdo.SqlQueryAsync), 1, new[] { typeof(string), typeof(object) }, null);
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// private readonly static MethodInfo _handlerTaskMethod = typeof(DataExportService).GetMethod(nameof(HandlerResult), BindingFlags.NonPublic | BindingFlags.Instance);
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// public async Task<FileContentResult> GetDataExportAsync(DataExportRequest request)
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// {
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// var types = Assembly.Load("Dlhis.Entity")
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// .GetTypes()
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// .Where(x => x.IsClass && x.GetCustomAttribute<SugarTable>() != null);
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// var type = types.FirstOrDefault(x => x.GetCustomAttribute<SugarTable>()?.TableName == request.TableName)!;
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// type.ThrowIfNull("该表不存在");
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// var columns = type.GetProperties().Where(x => request.ColumnNames.Contains(x.Name)).ToList();
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// var excelHeaderNames = columns.Select(x => x.GetCustomAttribute<SugarColumn>()?.ColumnDescription ?? x.Name)
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// .ToList();
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// using (var package = new ExcelPackage())
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// {
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// ExcelWorksheet worksheet = package.Workbook.Worksheets.Add(request.TableName);
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// // 写入表头
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// for (int i = 0; i < excelHeaderNames.Count; i++)
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// {
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// worksheet.Cells[1, i + 1].Value = excelHeaderNames[i];
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// }
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// var tableName = type.GetCustomAttribute<SugarTable>().TableName;
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// var fields = columns.Select(x => x.Name).Join(",");
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// var task = _queryMethod.MakeGenericMethod(type).Invoke(DbContext.Client.Ado, new object[] { @$"SELECT {fields} FROM {tableName}", null });
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// var data = _handlerTaskMethod.MakeGenericMethod(type).Invoke(this, new object[] { task });
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// int row = 2;
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// foreach (var item in data.ToJson().ToObject<List<JObject>>())
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// {
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// for (int col = 0; col < columns.Count; col++)
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// {
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// var column = columns[col];
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// var value = item[column.Name]!.Value<string>();
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// if (column.PropertyType.IsEnum)
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// {
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// value = column.PropertyType.GetFields(BindingFlags.Public | BindingFlags.Static).Where(p => (int)p.GetValue(null) == item[column.Name]!.Value<int>()).Select(p =>
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// {
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// var e = (Enum)Enum.Parse(p.FieldType, p.GetValue(null).ToString());
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// var fd = e.GetDescription();
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// return fd;
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// }).First();
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// }
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// worksheet.Cells[row, col + 1].Value = value;
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// }
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// row++;
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// }
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// var ms = new MemoryStream();
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// await package.SaveAsAsync(ms);
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// var contentType = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";
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// return new FileContentResult(ms.ToArray(), contentType);
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// }
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// }
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// private List<TResult> HandlerResult<TResult>(object o)
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// {
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// var originalValue = (Task<List<TResult>>)o;
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// if (!originalValue.IsCompleted)
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// {
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// return Task.Run(() => originalValue).GetAwaiter().GetResult();
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// }
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// return originalValue.Result;
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// }
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// public async Task DataImportAsync(IFormFile file)
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// {
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// //获取数据
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// ExcelPackage.LicenseContext = OfficeOpenXml.LicenseContext.NonCommercial;
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// using (var package = new ExcelPackage(file.OpenReadStream()))
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// {
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// var worksheet = package.Workbook.Worksheets[0];
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// //通过表名，获取实体表类型
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// var type = GetEntityTypeByTableName(worksheet.Name);
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// var tableType = typeof(List<>).MakeGenericType(type);
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// var listGenericAddMethod = tableType.GetMethod("Add");
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// var tableTypeInstance = Activator.CreateInstance(tableType);
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// var headers = new List<string>();
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// for (int col = 1; col <= worksheet.Dimension.Columns; col++)
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// {
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// headers.Add(worksheet.Cells[1, col].Value?.ToString() ?? string.Empty);
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// }
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// var properties = type.GetProperties();
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// for (int row = 2; row <= worksheet.Dimension.Rows; row++)
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// {
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// var item = Activator.CreateInstance(type);
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// for (int col = 1; col <= worksheet.Dimension.Columns; col++)
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// {
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// var header = headers[col - 1];
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// var property = properties.FirstOrDefault(p => (p.GetCustomAttribute<SugarColumn>()?.ColumnDescription ?? p.Name).Equals(header, StringComparison.OrdinalIgnoreCase));
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// var value = worksheet.Cells[row, col].Value.Adapt(typeof(object), property.PropertyType);
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// if (property != null)
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// {
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// if (property.PropertyType.IsEnum)
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// {
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// try
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// {
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// var enumValue = Enum.Parse(property.PropertyType, value.ToString(), true);
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// property.SetValue(item, enumValue);
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// }
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// catch (Exception ex)
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// {
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// Console.WriteLine($"无法将值 '{value}' 转换为枚举类型 '{property.PropertyType.Name}'：{ex.Message}");
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// }
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// }
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// else
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// {
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// property.SetValue(item, value);
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// }
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// }
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// }
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// listGenericAddMethod.Invoke(tableTypeInstance, new[] { item });
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// }
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// //foreach (var item in list)
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// // await DbContext.Client.InsertableByObject(item).ExecuteCommandAsync();
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// var insertMethod = typeof(IDbContext).GetMethods(BindingFlags.Public | BindingFlags.Instance)
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// .Where(x => x.Name == nameof(DbContext.InsertAsync))
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// .Where(x =>
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// {
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// var t = x.GetParameters().First().ParameterType;
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// var rr = x.GetParameters().First().ParameterType.IsAssignableTo(typeof(IList)) && !t.IsArray;
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// return rr;
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// })
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// .First();
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// var task = (Task<int>)insertMethod.MakeGenericMethod(type).Invoke(DbContext, new object[] { tableTypeInstance });
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// await task.ConfigureAwait(false);
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// }
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// }
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// public Type GetEntityTypeByTableName(string tableName)
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// {
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// var type = Assembly.Load("Dlhis.Entity")
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// .GetTypes()
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// .Where(x => x.IsClass && x.GetCustomAttribute<SugarTable>() != null)
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// .FirstOrDefault(x => x.GetCustomAttribute<SugarTable>().TableName == tableName);
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// return type;
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// }
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// }
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//} |