增加ValueMappingsBase值映射特性基类，方便从外部(如：Abp框架)继承实现枚举、bool类型的多语言显示

README.zh-CN.md

@@ -228,6 +228,31 @@
         public Genders Gender { get; set; }
 ```
 
+- **也可以继承“ValueMappingsBaseAttribute”特性基类实现值映射关系，目前仅可用于枚举和Bool类型，支持导入导出。**
+```csharp
+        [AttributeUsage(AttributeTargets.Property, AllowMultiple = true)]
+        public class GenderLocalAttribute : ValueMappingsBaseAttribute
+        {
+            public override Dictionary<string, object> GetMappings(PropertyInfo propertyInfo)
+            {
+                var res= new Dictionary<string, object>();
+                res.Add("男",0);
+                res.Add("女",1);
+                return res;
+            }
+        }
+
+
+        /// <summary>
+        ///     性别
+        /// </summary>
+        [ImporterHeader(Name = "性别")]
+        [Required(ErrorMessage = "性别不能为空")]
+        [GenderLocal]
+        public Genders Gender { get; set; }
+```
+
+
 - **支持枚举和Bool类型的导入数据验证项的生成，以及相关数据转换**
 	- **枚举默认情况下会自动获取枚举的描述、显示名、名称和值生成数据项**
 

src/Magicodes.ExporterAndImporter.Core/Extension/Extension.cs

@@ -322,7 +322,18 @@ public static int GetLargestContinuous(this List<int> numList)
         public static void ValueMapping(this PropertyInfo propertyInfo, ref Dictionary<string, dynamic> directory)
         {
             #region 处理值映射
+            //ValueMappingsBaseAttribute
+            var valueMappings = propertyInfo.GetAttributes<ValueMappingsBaseAttribute>(true).FirstOrDefault()?.GetMappings(propertyInfo);
+            if(valueMappings != null )
+            {
+                foreach (var valueMapping in valueMappings)
+                {
+                    if (!directory.ContainsKey(valueMapping.Key)) directory.Add(valueMapping.Key, valueMapping.Value);
+                }
+                if (valueMappings.Count > 0) return;
+            }
 
+            //ValueMappingAttribute
             var mappings = propertyInfo.GetAttributes<ValueMappingAttribute>().ToList();
             var objects = directory;
             foreach (var mappingAttribute in mappings.Where(mappingAttribute =>
@@ -363,4 +374,4 @@ public static void ValueMapping(this PropertyInfo propertyInfo, ref Dictionary<s
             #endregion 处理值映射
         }
     }
-}
+}

src/Magicodes.ExporterAndImporter.Core/IImporter.cs

@@ -74,6 +74,6 @@ public interface IImporter
         /// <param name="stream"></param>
         /// <param name="labelingFileStream"></param>
         /// <returns></returns>
-        Task<ImportResult<T>> Import<T>(Stream stream,Stream labelingFileStream) where T : class, new();
+        Task<ImportResult<T>> Import<T>(Stream stream, Stream labelingFileStream, Func<ImportResult<T>, ImportResult<T>> importResultCallback = null) where T : class, new();
     }
 }

src/Magicodes.ExporterAndImporter.Core/ValueMappingsBaseAttribute.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Reflection;
+using System.Text;
+
+namespace Magicodes.IE.Core
+{
+    /// <summary>
+    /// 值映射
+    /// </summary>
+    public abstract class ValueMappingsBaseAttribute : Attribute
+    {
+        /// <summary>
+        /// 根据字段信息获取映射
+        /// </summary>
+        /// <param name="propertyInfo"></param>
+        /// <returns></returns>
+        public abstract Dictionary<string, object> GetMappings(PropertyInfo propertyInfo);
+    }
+}

src/Magicodes.ExporterAndImporter.Csv/CsvImporter.cs

@@ -89,7 +89,7 @@ public class CsvImporter : ICsvImporter
         /// <param name="stream"></param>
         /// <param name="labelingFileStream"></param>
         /// <returns></returns>
-        public Task<ImportResult<T>> Import<T>(Stream stream, Stream labelingFileStream) where T : class, new()
+        public Task<ImportResult<T>> Import<T>(Stream stream, Stream labelingFileStream, Func<ImportResult<T>, ImportResult<T>> importResultCallback = null) where T : class, new()
         {
             using (var importer = new ImportHelper<T>(stream))
             {

src/Magicodes.ExporterAndImporter.Excel/ExcelImporter.cs

@@ -169,11 +169,11 @@ public class ExcelImporter : IExcelImporter
         /// <param name="stream"></param>
         /// <param name="labelingFileStream"></param>
         /// <returns></returns>
-        public Task<ImportResult<T>> Import<T>(Stream stream, Stream labelingFileStream) where T : class, new()
+        public Task<ImportResult<T>> Import<T>(Stream stream, Stream labelingFileStream, Func<ImportResult<T>, ImportResult<T>> importResultCallback = null) where T : class, new()
         {
             using (var importer = new ImportHelper<T>(stream, labelingFileStream))
             {
-                return importer.Import();
+                return importer.Import(importResultCallback: importResultCallback);
             }
         }
 

src/Magicodes.ExporterAndImporter.Tests/ExcelExporterWithXSSFWorkbook_Tests.cs

@@ -958,8 +958,55 @@ public async Task ValueMapping_Test()
             }
         }
 
-
-
+        [Fact(DisplayName = "ValueMappingsBase测试#544")]
+        public async Task ValueMappingsBase_Test()
+        {
+            IExporter exporter = new ExcelExporter();
+            var filePath = GetTestFilePath($"{nameof(ValueMappingsBase_Test)}.xlsx");
+            DeleteFile(filePath);
+            var list = new List<Issue544>()
+            {
+                new Issue544()
+                {
+                    Gender ="男",
+                    IsAlumni = true,
+                    Name ="张三",
+                    IsAlumni2 = true,
+                },
+                new Issue544()
+                {
+                    Gender ="男",
+                    IsAlumni = false,
+                    Name ="张三",
+                    IsAlumni2 = true,
+                },
+                new Issue544()
+                {
+                    Gender ="男",
+                    IsAlumni = null,
+                    Name ="张三",
+                    IsAlumni2 = false,
+                },
+            };
+            var result = await exporter.ExportWithXSSFWorkbook(filePath, list);
+            result.ShouldNotBeNull();
+            File.Exists(filePath).ShouldBeTrue();
+            using (var pck = new ExcelPackage(new FileInfo(filePath)))
+            {
+                pck.Workbook.Worksheets.Count.ShouldBe(1);
+                var sheet = pck.Workbook.Worksheets.First();
+                sheet.Cells["D2"].Text.ShouldBe("是");
+                sheet.Cells["D3"].Text.ShouldBe("是");
+                sheet.Cells["D4"].Text.ShouldBe("否");
+
+                sheet.Cells["C2"].Text.ShouldBe("是");
+                sheet.Cells["C3"].Text.ShouldBe("否");
+                sheet.Cells["C4"].Text.ShouldBe("");
+            }
+        }
+
+
+
         [Fact(DisplayName = "导出日期格式化#331")]
         public async Task DateTimeExport_Test()
         {

src/Magicodes.ExporterAndImporter.Tests/ExcelExporter_Tests.cs

@@ -964,6 +964,55 @@ public async Task ValueMapping_Test()
         }
 
 
+        [Fact(DisplayName = "ValueMappingsBase测试#544")]
+        public async Task ValueMappingsBase_Test()
+        {
+            IExporter exporter = new ExcelExporter();
+            var filePath = GetTestFilePath($"{nameof(ValueMappingsBase_Test)}.xlsx");
+            DeleteFile(filePath);
+            var list = new List<Issue544>()
+            {
+                new Issue544()
+                {
+                    Gender ="男",
+                    IsAlumni = true,
+                    Name ="张三",
+                    IsAlumni2 = true,
+                },
+                new Issue544()
+                {
+                    Gender ="男",
+                    IsAlumni = false,
+                    Name ="张三",
+                    IsAlumni2 = true,
+                },
+                new Issue544()
+                {
+                    Gender ="男",
+                    IsAlumni = null,
+                    Name ="张三",
+                    IsAlumni2 = false,
+                },
+            };
+            var result = await exporter.Export(filePath, list);
+            result.ShouldNotBeNull();
+            File.Exists(filePath).ShouldBeTrue();
+            using (var pck = new ExcelPackage(new FileInfo(filePath)))
+            {
+                pck.Workbook.Worksheets.Count.ShouldBe(1);
+                var sheet = pck.Workbook.Worksheets.First();
+                sheet.Cells["D2"].Text.ShouldBe("是");
+                sheet.Cells["D3"].Text.ShouldBe("是");
+                sheet.Cells["D4"].Text.ShouldBe("否");
+
+                sheet.Cells["C2"].Text.ShouldBe("是");
+                sheet.Cells["C3"].Text.ShouldBe("否");
+                sheet.Cells["C4"].Text.ShouldBe("");
+            }
+        }
+
+
+
 
         [Fact(DisplayName = "导出日期格式化#331")]
         public async Task DateTimeExport_Test()

src/Magicodes.ExporterAndImporter.Tests/Models/Export/ExporterHeaderFilterTestData.cs

@@ -59,7 +59,8 @@ public class ExporterHeaderFilterTestData1
         [ExporterHeader(DisplayName = "加粗文本", IsBold = true)]
         public string Text { get; set; }
 
-        [ExporterHeader(DisplayName = "普通文本")] public string Text2 { get; set; }
+        [ExporterHeader(DisplayName = "普通文本")] 
+        public string Text2 { get; set; }
 
         [ExporterHeader(DisplayName = "忽略", IsIgnore = true)]
         public string Text3 { get; set; }

src/Magicodes.ExporterAndImporter.Tests/Models/Export/Issue544.cs

@@ -0,0 +1,49 @@
+using Magicodes.ExporterAndImporter.Core;
+using Magicodes.ExporterAndImporter.Excel;
+using Magicodes.IE.Core;
+using System;
+using System.Collections.Generic;
+using System.Reflection;
+
+namespace Magicodes.ExporterAndImporter.Tests.Models.Export
+{
+    [ExcelExporter(Name = "导出结果", TableStyle = OfficeOpenXml.Table.TableStyles.None)]
+    public class Issue544
+    {
+        /// <summary>
+        /// 名称
+        /// </summary>
+        [ExporterHeader(DisplayName = "姓名")]
+        public string Name { get; set; }
+
+        /// <summary>
+        /// 性别
+        /// </summary>
+        [ExporterHeader(DisplayName = "性别")]
+        public string Gender { get; set; }
+
+        /// <summary>
+        /// 是否校友
+        /// </summary>
+        [ExporterHeader(DisplayName = "是否校友")]
+        [BoolLocal337]
+        public bool? IsAlumni { get; set; }
+
+        [ExporterHeader(DisplayName = "是否校友2")]
+        [BoolLocal337]
+        public bool IsAlumni2 { get; set; }
+    }
+
+
+    [AttributeUsage(AttributeTargets.Property, AllowMultiple = true)]
+    public class BoolLocal337Attribute : ValueMappingsBaseAttribute
+    {
+        public override Dictionary<string, object> GetMappings(PropertyInfo propertyInfo)
+        {
+            var res= new Dictionary<string, object>();
+            res.Add("是",true);
+            res.Add("否",false);
+            return res;
+        }
+    }
+}

src/Magicodes.ExporterAndImporter.Tests/Models/Import/ImportWithOnlyErrorRowsDto.cs

@@ -39,7 +39,7 @@ public class ImportWithOnlyErrorRowsDto
         /// </summary>
         [ImporterHeader(Name = "身份证号", IsAllowRepeat = false)]
         [Required(ErrorMessage = "身份证号不能为空")]
-        [MaxLength(18, ErrorMessage = "身份证字数超出最大限制,请修改!")]
+        [MaxLength(18, ErrorMessage = "身份证号字数超出最大限制,请修改!")]
         public string IdCard { get; set; }
 
         /// <summary>