mirror of
https://gitee.com/iioter/iotgateway.git
synced 2024-12-06 05:38:16 +08:00
1444 lines
60 KiB
C#
1444 lines
60 KiB
C#
using System;
|
||
using System.Collections;
|
||
using System.Collections.Generic;
|
||
using System.ComponentModel.DataAnnotations;
|
||
using System.ComponentModel.DataAnnotations.Schema;
|
||
using System.Data;
|
||
using System.Data.SqlClient;
|
||
using System.IO;
|
||
using System.Linq;
|
||
using System.Linq.Expressions;
|
||
using System.Reflection;
|
||
using System.Text.Json.Serialization;
|
||
using Microsoft.EntityFrameworkCore;
|
||
using Microsoft.Extensions.DependencyInjection;
|
||
using NPOI.HSSF.Util;
|
||
using NPOI.SS.UserModel;
|
||
using NPOI.XSSF.UserModel;
|
||
using WalkingTec.Mvvm.Core.Extensions;
|
||
using WalkingTec.Mvvm.Core.Support.FileHandlers;
|
||
|
||
namespace WalkingTec.Mvvm.Core
|
||
{
|
||
/// <summary>
|
||
/// 导入接口
|
||
/// </summary>
|
||
/// <typeparam name="T">导入模版类</typeparam>
|
||
public interface IBaseImport<out T> where T : BaseTemplateVM
|
||
{
|
||
T Template { get; }
|
||
byte[] GenerateTemplate(out string displayName);
|
||
void SetParms(Dictionary<string, string> parms);
|
||
TemplateErrorListVM ErrorListVM { get; set; }
|
||
}
|
||
|
||
/// <summary>
|
||
/// 导入基类,Excel导入的类应继承本类
|
||
/// </summary>
|
||
/// <typeparam name="T">导入模版类</typeparam>
|
||
/// <typeparam name="P">导入的Model类</typeparam>
|
||
public class BaseImportVM<T, P> : BaseVM, IBaseImport<T>
|
||
where T : BaseTemplateVM, new()
|
||
where P : TopBasePoco, new()
|
||
{
|
||
#region 字段、属性
|
||
/// <summary>
|
||
/// 上传文件的Id,方便导入等操作中进行绑定,这类操作需要上传文件但不需要记录在数据库中,所以Model层中没有文件Id的字段
|
||
/// </summary>
|
||
[Display(Name = "UploadFile")]
|
||
public string UploadFileId { get; set; }
|
||
|
||
/// <summary>
|
||
/// 下载模板显示名称
|
||
/// </summary>
|
||
[JsonIgnore]
|
||
public string FileDisplayName { get; set; }
|
||
|
||
/// <summary>
|
||
/// 错误列表
|
||
/// </summary>
|
||
[JsonIgnore]
|
||
public TemplateErrorListVM ErrorListVM { get; set; }
|
||
|
||
/// <summary>
|
||
/// 是否验证模板类型(当其他系统模板导入到某模块时可设置为False)
|
||
/// </summary>
|
||
[JsonIgnore]
|
||
public bool ValidityTemplateType { get; set; }
|
||
|
||
/// <summary>
|
||
/// 下载模版页面的参数
|
||
/// </summary>
|
||
[JsonIgnore]
|
||
public Dictionary<string, string> Parms { get; set; }
|
||
|
||
protected List<T> TemplateData;
|
||
|
||
/// <summary>
|
||
/// 要导入的Model列表
|
||
/// </summary>
|
||
[JsonIgnore]
|
||
public List<P> EntityList { get; set; }
|
||
|
||
/// <summary>
|
||
/// 模版
|
||
/// </summary>
|
||
[JsonIgnore]
|
||
public T Template { get; set; }
|
||
|
||
/// <summary>
|
||
/// Model数据是否已被赋值
|
||
/// </summary>
|
||
protected bool isEntityListSet = false;
|
||
|
||
/// <summary>
|
||
/// 声明XSSF
|
||
/// </summary>
|
||
protected XSSFWorkbook xssfworkbook;
|
||
|
||
/// <summary>
|
||
/// 唯一性验证
|
||
/// </summary>
|
||
protected DuplicatedInfo<P> finalInfo;
|
||
|
||
/// <summary>
|
||
/// 是否存在主子表
|
||
/// </summary>
|
||
protected bool HasSubTable { get; set; }
|
||
|
||
/// <summary>
|
||
/// 是否在sqlserver时使用bulk导入
|
||
/// </summary>
|
||
public bool UseBulkSave { get; set; }
|
||
|
||
/// <summary>
|
||
/// 是否覆盖已有数据
|
||
/// </summary>
|
||
public bool IsOverWriteExistData { get; set; } = true;
|
||
#endregion
|
||
|
||
#region 构造函数
|
||
public BaseImportVM()
|
||
{
|
||
ErrorListVM = new TemplateErrorListVM();
|
||
ValidityTemplateType = true;
|
||
Template = new T();
|
||
}
|
||
#endregion
|
||
|
||
#region 生成excel
|
||
/// <summary>
|
||
/// 生成模版
|
||
/// </summary>
|
||
/// <param name="displayName">模版文件名</param>
|
||
/// <returns>生成的模版</returns>
|
||
public virtual byte[] GenerateTemplate(out string displayName)
|
||
{
|
||
return Template.GenerateTemplate(out displayName);
|
||
}
|
||
#endregion
|
||
|
||
#region 设置参数值
|
||
/// <summary>
|
||
/// 设置模版参数
|
||
/// </summary>
|
||
/// <param name="parms">参数</param>
|
||
public void SetParms(Dictionary<string, string> parms)
|
||
{
|
||
Template.Parms = parms;
|
||
}
|
||
#endregion
|
||
|
||
#region 可重写方法
|
||
|
||
/// <summary>
|
||
/// 设置数据唯一性验证,子类中如果需要数据唯一性验证,应重写此方法
|
||
/// </summary>
|
||
/// <returns>唯一性属性</returns>
|
||
public virtual DuplicatedInfo<P> SetDuplicatedCheck()
|
||
{
|
||
return null;
|
||
}
|
||
|
||
/// <summary>
|
||
/// 获取上传的结果值
|
||
/// </summary>
|
||
public virtual void SetEntityList()
|
||
{
|
||
if (!isEntityListSet)
|
||
{
|
||
EntityList = new List<P>();
|
||
|
||
//初始化上传的模板数据
|
||
SetTemplateData();
|
||
|
||
//如果模板中有错误,直接返回
|
||
if (ErrorListVM.EntityList.Count > 0)
|
||
{
|
||
return;
|
||
}
|
||
|
||
//对EntityList赋值
|
||
SetEntityData();
|
||
|
||
//设置标识为初始化
|
||
isEntityListSet = true;
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// 获取上传模板中填写的数据,包含了对模板正确性的验证
|
||
/// </summary>
|
||
public virtual void SetTemplateData()
|
||
{
|
||
if (TemplateData != null && TemplateData.Count > 0)
|
||
{
|
||
return;
|
||
}
|
||
|
||
try
|
||
{
|
||
TemplateData = new List<T>();
|
||
xssfworkbook = new XSSFWorkbook();
|
||
|
||
//【CHECK】上传附件的ID为空
|
||
if (UploadFileId == null)
|
||
{
|
||
ErrorListVM.EntityList.Add(new ErrorMessage { Message = CoreProgram._localizer?["Sys.PleaseUploadTemplate"] });
|
||
return;
|
||
}
|
||
Models.IWtmFile file = null;
|
||
if (Wtm.ServiceProvider != null)
|
||
{
|
||
var fp = Wtm.ServiceProvider.GetRequiredService<WtmFileProvider>();
|
||
file = fp.GetFile(UploadFileId, true, DC);
|
||
}
|
||
if (file == null)
|
||
{
|
||
ErrorListVM.EntityList.Add(new ErrorMessage { Message = CoreProgram._localizer?["Sys.WrongTemplate"] });
|
||
return;
|
||
}
|
||
xssfworkbook = new XSSFWorkbook(file.DataStream);
|
||
file.DataStream.Dispose();
|
||
Template.InitExcelData();
|
||
Template.InitCustomFormat();
|
||
|
||
//【CHECK】判断是否上传的是正确的模板数据
|
||
string TemplateHiddenName = xssfworkbook.GetSheetAt(1).GetRow(0).Cells[2].ToString();
|
||
if (ValidityTemplateType && !TemplateHiddenName.Equals(typeof(T).Name))
|
||
{
|
||
ErrorListVM.EntityList.Add(new ErrorMessage { Message = CoreProgram._localizer?["Sys.WrongTemplate"] });
|
||
return;
|
||
}
|
||
|
||
//获取数据的Sheet页信息
|
||
ISheet sheet = xssfworkbook.GetSheetAt(0);
|
||
sheet.ForceFormulaRecalculation = true;
|
||
XSSFFormulaEvaluator XE = new XSSFFormulaEvaluator(xssfworkbook);
|
||
IEnumerator rows = sheet.GetRowEnumerator();
|
||
var cells = sheet.GetRow(0).Cells;
|
||
|
||
//获取模板中所有字段的属性
|
||
List<ExcelPropety> ListTemplateProptetys = new List<ExcelPropety>();
|
||
var ListPropetys = Template.GetType().GetFields().Where(x => x.FieldType == typeof(ExcelPropety)).ToList();
|
||
for (int i = 0; i < ListPropetys.Count(); i++)
|
||
{
|
||
ExcelPropety ep = (ExcelPropety)ListPropetys[i].GetValue(Template);
|
||
ListTemplateProptetys.Add(ep);
|
||
}
|
||
|
||
//【CHECK】验证模板的列数是否正确
|
||
var dynamicColumn = ListTemplateProptetys.Where(x => x.DataType == ColumnDataType.Dynamic).FirstOrDefault();
|
||
int columnCount = dynamicColumn == null ? ListTemplateProptetys.Count : (ListTemplateProptetys.Count + dynamicColumn.DynamicColumns.Count - 1);
|
||
if (columnCount != cells.Count)
|
||
{
|
||
ErrorListVM.EntityList.Add(new ErrorMessage { Message = CoreProgram._localizer?["Sys.WrongTemplate"] });
|
||
return;
|
||
}
|
||
|
||
//【CHECK】判断字段是否根据顺序能一对一相对应。 //是否可以去除?
|
||
int pIndex = 0;
|
||
HasSubTable = false;
|
||
for (int i = 0; i < cells.Count; i++)
|
||
{
|
||
//是否有子表
|
||
HasSubTable = ListTemplateProptetys[pIndex].SubTableType != null ? true : HasSubTable;
|
||
//if (ListTemplateProptetys[pIndex].DataType != ColumnDataType.Dynamic)
|
||
//{
|
||
// if (cells[i].ToString().Trim('*') != ListTemplateProptetys[pIndex].ColumnName)
|
||
// {
|
||
// ErrorListVM.EntityList.Add(new ErrorMessage { Message = CoreProgram._localizer?["Sys.WrongTemplate"] });
|
||
// return;
|
||
// }
|
||
// pIndex++;
|
||
//}
|
||
//else
|
||
//{
|
||
// var listDynamicColumns = ListTemplateProptetys[i].DynamicColumns;
|
||
// int dcCount = listDynamicColumns.Count;
|
||
// for (int dclIndex = 0; dclIndex < dcCount; dclIndex++)
|
||
// {
|
||
// if (cells[i].ToString().Trim('*') != listDynamicColumns[dclIndex].ColumnName)
|
||
// {
|
||
// ErrorListVM.EntityList.Add(new ErrorMessage { Message = CoreProgram._localizer?["Sys.WrongTemplate"] });
|
||
// break;
|
||
// }
|
||
// i = i + 1;
|
||
// }
|
||
// i = i - 1;
|
||
pIndex++;
|
||
//}
|
||
}
|
||
|
||
//如果有子表,则设置主表字段非必填
|
||
if (HasSubTable)
|
||
{
|
||
for (int i = 0; i < cells.Count; i++)
|
||
{
|
||
ListTemplateProptetys[i].IsNullAble = ListTemplateProptetys[i].SubTableType == null ? true : ListTemplateProptetys[i].IsNullAble;
|
||
}
|
||
}
|
||
|
||
//向TemplateData中赋值
|
||
int rowIndex = 2;
|
||
rows.MoveNext();
|
||
while (rows.MoveNext())
|
||
{
|
||
XSSFRow row = (XSSFRow)rows.Current;
|
||
if (IsEmptyRow(row, columnCount))
|
||
{
|
||
return;
|
||
}
|
||
|
||
T result = new T();
|
||
pIndex = 0;
|
||
for (int i = 0; i < columnCount; i++)
|
||
{
|
||
//获取列的值
|
||
string value = row.GetCell(i, MissingCellPolicy.CREATE_NULL_AS_BLANK).ToString();
|
||
ExcelPropety excelPropety = CopyExcelPropety(ListTemplateProptetys[pIndex]);
|
||
|
||
if (excelPropety.DataType == ColumnDataType.Text)
|
||
{
|
||
ICell cell = row.GetCell(i);
|
||
value = GetCellFormulaValue(XE, cell, value);
|
||
}
|
||
|
||
if (excelPropety.DataType == ColumnDataType.Dynamic)
|
||
{
|
||
int dynamicColCount = excelPropety.DynamicColumns.Count();
|
||
for (int dynamicColIndex = 0; dynamicColIndex < dynamicColCount; dynamicColIndex++)
|
||
{
|
||
excelPropety.DynamicColumns[dynamicColIndex].ValueValidity(row.GetCell(i + dynamicColIndex, MissingCellPolicy.CREATE_NULL_AS_BLANK).ToString(), ErrorListVM.EntityList, rowIndex);
|
||
}
|
||
i = i + dynamicColCount - 1;
|
||
}
|
||
else
|
||
{
|
||
excelPropety.ValueValidity(value, ErrorListVM.EntityList, rowIndex);
|
||
}
|
||
|
||
//如果没有错误,进行赋值
|
||
if (ErrorListVM.EntityList.Count == 0)
|
||
{
|
||
var pts = ListPropetys[pIndex];
|
||
pts.SetValue(result, excelPropety);
|
||
}
|
||
|
||
pIndex++;
|
||
}
|
||
result.ExcelIndex = rowIndex;
|
||
TemplateData.Add(result);
|
||
rowIndex++;
|
||
}
|
||
|
||
return;
|
||
}
|
||
catch
|
||
{
|
||
ErrorListVM.EntityList.Add(new ErrorMessage { Message = CoreProgram._localizer?["Sys.WrongTemplate"] });
|
||
}
|
||
}
|
||
|
||
#region 进行公式计算
|
||
public string GetCellFormulaValue(XSSFFormulaEvaluator XE, ICell cell, string Value)
|
||
{
|
||
if (!string.IsNullOrEmpty(Value) && Value.IndexOf("=") == 0)
|
||
{
|
||
try
|
||
{
|
||
string Formula = Value.Substring(1);
|
||
cell.SetCellFormula(Formula);
|
||
XE.EvaluateFormulaCell(cell);
|
||
Value = cell.NumericCellValue.ToString();
|
||
}
|
||
catch (Exception)
|
||
{
|
||
}
|
||
}
|
||
return Value;
|
||
}
|
||
#endregion
|
||
|
||
/// <summary>
|
||
/// 根据模板中的数据,填写导入类的集合中
|
||
/// </summary>
|
||
public virtual void SetEntityData()
|
||
{
|
||
//反射出类中所有属性字段 P是Model层定义的类
|
||
var pros = typeof(P).GetProperties(System.Reflection.BindingFlags.Public | System.Reflection.BindingFlags.Instance);
|
||
|
||
//反射出模板类中的所有属性字段 T是模板类,ExcelProperty 是自定义的Excel属性类
|
||
List<FieldInfo> ListExcelFields = typeof(T).GetFields(System.Reflection.BindingFlags.Public | System.Reflection.BindingFlags.Instance).Where(x => x.FieldType == typeof(ExcelPropety)).ToList();
|
||
|
||
//循环Excel中的数据
|
||
foreach (var item in TemplateData)
|
||
{
|
||
int rowIndex = 2;
|
||
bool isMainData = false;
|
||
|
||
//主表信息
|
||
Dictionary<string, ExcelPropety> ParentEntity = new Dictionary<string, ExcelPropety>();
|
||
string ParentEntityValues = string.Empty;
|
||
|
||
//子表信息
|
||
Dictionary<Type, List<FieldInfo>> ChildrenEntity = new Dictionary<Type, List<FieldInfo>>();
|
||
Dictionary<Type, string> ChildrenEntityDic = new Dictionary<Type, string>();
|
||
|
||
//循环TemplateVM中定义的所有的列,区分出主子表
|
||
foreach (var ExcelField in ListExcelFields)
|
||
{
|
||
//获取本列的ExcelProperty的值
|
||
if (typeof(T).GetField(ExcelField.Name).GetValue(item) is ExcelPropety ep)
|
||
{
|
||
//如果是子表的字段
|
||
if (ep.SubTableType != null)
|
||
{
|
||
//保存子表字段信息稍后处理
|
||
if (!ChildrenEntity.ContainsKey(ep.SubTableType))
|
||
{
|
||
ChildrenEntity[ep.SubTableType] = new List<FieldInfo>();
|
||
}
|
||
ChildrenEntity[ep.SubTableType].Add(ExcelField);
|
||
}
|
||
else
|
||
{
|
||
//保存子表字段信息稍后处理
|
||
ParentEntity.Add(ep.FieldName, ep);
|
||
ParentEntityValues += ep.Value;
|
||
}
|
||
}
|
||
}
|
||
|
||
//子表信息是否为空
|
||
foreach (var sub in ChildrenEntity)
|
||
{
|
||
string subVal = string.Empty;
|
||
foreach (var field in sub.Value)
|
||
{
|
||
ExcelPropety ep = typeof(T).GetField(field.Name).GetValue(item) as ExcelPropety;
|
||
subVal += ep.Value;
|
||
}
|
||
ChildrenEntityDic.Add(sub.Key, subVal);
|
||
}
|
||
|
||
P entity = null;
|
||
|
||
//说明主表信息为空
|
||
if (string.IsNullOrEmpty(ParentEntityValues))
|
||
{
|
||
entity = EntityList.LastOrDefault();
|
||
}
|
||
else
|
||
{
|
||
//初始化一个新的Entity
|
||
entity = new P();
|
||
isMainData = true;
|
||
|
||
//给主表赋值
|
||
foreach (var mep in ParentEntity)
|
||
{
|
||
SetEntityFieldValue(entity, mep.Value, rowIndex, mep.Key, item);
|
||
}
|
||
}
|
||
|
||
//给子表赋值
|
||
foreach (var sub in ChildrenEntity)
|
||
{
|
||
//循环Entity的所有属性,找到List<SubTableType>类型的字段
|
||
foreach (var pro in pros)
|
||
{
|
||
if (pro.PropertyType.IsGenericType)
|
||
{
|
||
var gtype = pro.PropertyType.GetGenericArguments()[0];
|
||
if (gtype == sub.Key)
|
||
{
|
||
//子表
|
||
var subList = entity.GetType().GetSingleProperty(pro.Name).GetValue(entity);
|
||
string fk = DC.GetFKName<P>(pro.Name);
|
||
|
||
//如果子表不为空
|
||
if (!string.IsNullOrEmpty(ChildrenEntityDic.Where(x => x.Key == sub.Key).FirstOrDefault().Value))
|
||
{
|
||
IList list = null;
|
||
if (subList == null)
|
||
{
|
||
//初始化List<SubTableType>
|
||
list = typeof(List<>).MakeGenericType(gtype).GetConstructor(Type.EmptyTypes).Invoke(null) as IList;
|
||
}
|
||
else
|
||
{
|
||
list = subList as IList;
|
||
}
|
||
|
||
//初始化一个SubTableType
|
||
var SubTypeEntity = gtype.GetConstructor(System.Type.EmptyTypes).Invoke(null);
|
||
|
||
//给SubTableType中和本ExcelProperty同名的字段赋值
|
||
foreach (var field in sub.Value)
|
||
{
|
||
ExcelPropety ep = typeof(T).GetField(field.Name).GetValue(item) as ExcelPropety;
|
||
SetEntityFieldValue(SubTypeEntity, ep, rowIndex, ep.FieldName, item);
|
||
}
|
||
|
||
if (string.IsNullOrEmpty(fk) == false)
|
||
{
|
||
PropertyHelper.SetPropertyValue(SubTypeEntity, fk, entity.GetID());
|
||
}
|
||
|
||
if (typeof(IBasePoco).IsAssignableFrom(SubTypeEntity.GetType()))
|
||
{
|
||
(SubTypeEntity as IBasePoco).CreateTime = DateTime.Now;
|
||
(SubTypeEntity as IBasePoco).CreateBy = LoginUserInfo?.ITCode;
|
||
}
|
||
//var context = new ValidationContext(SubTypeEntity);
|
||
//var validationResults = new List<ValidationResult>();
|
||
//TryValidateObject(SubTypeEntity, context, validationResults);
|
||
//if (validationResults.Count == 0)
|
||
//{
|
||
//将付好值得SubTableType实例添加到List中
|
||
list.Add(SubTypeEntity);
|
||
|
||
PropertyHelper.SetPropertyValue(entity, pro.Name, list);
|
||
//}
|
||
//else
|
||
//{
|
||
// ErrorListVM.EntityList.Add(new ErrorMessage { Message = validationResults.FirstOrDefault()?.ErrorMessage ?? "Error", ExcelIndex = item.ExcelIndex });
|
||
// break;
|
||
//}
|
||
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
}
|
||
entity.ExcelIndex = item.ExcelIndex;
|
||
if (isMainData)
|
||
{
|
||
EntityList.Add(entity);
|
||
}
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// 进行上传中的错误验证
|
||
/// </summary>
|
||
public virtual void SetValidateCheck()
|
||
{
|
||
//找到对应的BaseCRUDVM,并初始化
|
||
var vms = this.GetType().Assembly.GetExportedTypes().Where(x => x.IsSubclassOf(typeof(BaseCRUDVM<P>))).ToList();
|
||
var vmtype = vms.Where(x => x.Name.ToLower() == typeof(P).Name.ToLower() + "vm").FirstOrDefault();
|
||
if (vmtype == null)
|
||
{
|
||
vmtype = vms.FirstOrDefault();
|
||
}
|
||
|
||
IBaseCRUDVM<P> vm = null;
|
||
DuplicatedInfo<P> dinfo = null;
|
||
if (vmtype != null)
|
||
{
|
||
vm = vmtype.GetConstructor(System.Type.EmptyTypes).Invoke(null) as IBaseCRUDVM<P>;
|
||
vm.CopyContext(this);
|
||
dinfo = (vm as dynamic).SetDuplicatedCheck();
|
||
}
|
||
var cinfo = this.SetDuplicatedCheck();
|
||
finalInfo = new DuplicatedInfo<P>
|
||
{
|
||
Groups = new List<DuplicatedGroup<P>>()
|
||
};
|
||
if (cinfo != null)
|
||
{
|
||
foreach (var item in cinfo?.Groups)
|
||
{
|
||
finalInfo.Groups.Add(item);
|
||
}
|
||
}
|
||
else if (dinfo != null)
|
||
{
|
||
foreach (var item in dinfo?.Groups)
|
||
{
|
||
finalInfo.Groups.Add(item);
|
||
}
|
||
}
|
||
//调用controller方法验证model
|
||
//var vmethod = Controller?.GetType().GetMethod("RedoValidation");
|
||
foreach (var entity in EntityList)
|
||
{
|
||
//try
|
||
//{
|
||
// vmethod.Invoke(Controller, new object[] { entity });
|
||
//}
|
||
//catch { }
|
||
|
||
if (vm != null)
|
||
{
|
||
vm.SetEntity(entity);
|
||
vm.ByPassBaseValidation = true;
|
||
vm.Validate();
|
||
var basevm = vm as BaseVM;
|
||
if (basevm?.MSD?.Count > 0)
|
||
{
|
||
foreach (var key in basevm.MSD.Keys)
|
||
{
|
||
foreach (var error in basevm.MSD[key])
|
||
{
|
||
ErrorListVM.EntityList.Add(new ErrorMessage { Message = error.ErrorMessage, Index = entity.ExcelIndex });
|
||
}
|
||
}
|
||
}
|
||
}
|
||
(vm as BaseVM)?.MSD.Clear();
|
||
|
||
//在本地EntityList中验证是否有重复
|
||
ValidateDuplicateData(finalInfo, entity);
|
||
}
|
||
}
|
||
|
||
protected void SetEntityFieldValue(object entity, ExcelPropety ep, int rowIndex, string fieldName, T templateVM)
|
||
{
|
||
if (ep.FormatData != null)
|
||
{
|
||
ProcessResult processResult = ep.FormatData(ep.Value, templateVM);
|
||
if (processResult != null)
|
||
{
|
||
//未添加任何处理结果
|
||
if (processResult.EntityValues.Count == 0)
|
||
{
|
||
PropertyHelper.SetPropertyValue(entity, fieldName, ep.Value, stringBasedValue: true);
|
||
}
|
||
//字段为一对一
|
||
if (processResult.EntityValues.Count == 1)
|
||
{
|
||
ep.Value = processResult.EntityValues[0].FieldValue;
|
||
if (!string.IsNullOrEmpty(processResult.EntityValues[0].ErrorMsg))
|
||
{
|
||
ErrorListVM.EntityList.Add(new ErrorMessage { Message = processResult.EntityValues[0].ErrorMsg, ExcelIndex = rowIndex, Index = rowIndex });
|
||
}
|
||
PropertyHelper.SetPropertyValue(entity, fieldName, ep.Value, stringBasedValue: true);
|
||
}
|
||
//字段为一对多
|
||
if (processResult.EntityValues.Count > 1)
|
||
{
|
||
foreach (var entityValue in processResult.EntityValues)
|
||
{
|
||
if (!string.IsNullOrEmpty(entityValue.ErrorMsg))
|
||
{
|
||
ErrorListVM.EntityList.Add(new ErrorMessage { Message = entityValue.ErrorMsg, ExcelIndex = rowIndex, Index = rowIndex });
|
||
}
|
||
PropertyHelper.SetPropertyValue(entity, entityValue.FieldName, entityValue.FieldValue, stringBasedValue: true);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
else if (ep.FormatSingleData != null)
|
||
{
|
||
ep.FormatSingleData(ep.Value, templateVM, out string singleEntityValue, out string errorMsg);
|
||
if (!string.IsNullOrEmpty(errorMsg))
|
||
{
|
||
ErrorListVM.EntityList.Add(new ErrorMessage { Message = errorMsg, ExcelIndex = rowIndex, Index = rowIndex });
|
||
}
|
||
PropertyHelper.SetPropertyValue(entity, fieldName, singleEntityValue, stringBasedValue: true);
|
||
}
|
||
else
|
||
{
|
||
PropertyHelper.SetPropertyValue(entity, fieldName, ep.Value, stringBasedValue: true);
|
||
}
|
||
}
|
||
|
||
protected bool IsUpdateRecordDuplicated(DuplicatedInfo<P> checkCondition, P entity)
|
||
{
|
||
if (checkCondition != null && checkCondition.Groups.Count > 0)
|
||
{
|
||
//生成基础Query
|
||
var baseExp = EntityList.AsQueryable();
|
||
var modelType = typeof(P);
|
||
ParameterExpression para = Expression.Parameter(modelType, "tm");
|
||
//循环所有重复字段组
|
||
foreach (var group in checkCondition.Groups)
|
||
{
|
||
List<Expression> conditions = new List<Expression>();
|
||
//生成一个表达式,类似于 x=>x.Id != id,这是为了当修改数据时验证重复性的时候,排除当前正在修改的数据
|
||
var idproperty = modelType.GetSingleProperty("ID");
|
||
MemberExpression idLeft = Expression.Property(para, idproperty);
|
||
ConstantExpression idRight = Expression.Constant(entity.GetID());
|
||
BinaryExpression idNotEqual = Expression.NotEqual(idLeft, idRight);
|
||
conditions.Add(idNotEqual);
|
||
List<PropertyInfo> props = new List<PropertyInfo>();
|
||
//在每个组中循环所有字段
|
||
foreach (var field in group.Fields)
|
||
{
|
||
Expression exp = field.GetExpression(entity, para);
|
||
if (exp != null)
|
||
{
|
||
conditions.Add(exp);
|
||
}
|
||
//将字段名保存,为后面生成错误信息作准备
|
||
props.AddRange(field.GetProperties());
|
||
}
|
||
int count = 0;
|
||
if (conditions.Count > 1)
|
||
{
|
||
//循环添加条件并生成Where语句
|
||
Expression conExp = conditions[0];
|
||
for (int i = 1; i < conditions.Count; i++)
|
||
{
|
||
conExp = Expression.And(conExp, conditions[i]);
|
||
}
|
||
|
||
MethodCallExpression whereCallExpression = Expression.Call(
|
||
typeof(Queryable),
|
||
"Where",
|
||
new Type[] { modelType },
|
||
baseExp.Expression,
|
||
Expression.Lambda<Func<P, bool>>(conExp, new ParameterExpression[] { para }));
|
||
var result = baseExp.Provider.CreateQuery(whereCallExpression);
|
||
|
||
foreach (var res in result)
|
||
{
|
||
count++;
|
||
}
|
||
}
|
||
if (count > 0)
|
||
{
|
||
return true;
|
||
}
|
||
}
|
||
}
|
||
return false;
|
||
}
|
||
|
||
protected void ValidateDuplicateData(DuplicatedInfo<P> checkCondition, P entity)
|
||
{
|
||
if (checkCondition != null && checkCondition.Groups.Count > 0)
|
||
{
|
||
//生成基础Query
|
||
var baseExp = EntityList.AsQueryable();
|
||
var modelType = typeof(P);
|
||
ParameterExpression para = Expression.Parameter(modelType, "tm");
|
||
//循环所有重复字段组
|
||
foreach (var group in checkCondition.Groups)
|
||
{
|
||
List<Expression> conditions = new List<Expression>();
|
||
//生成一个表达式,类似于 x=>x.Id != id,这是为了当修改数据时验证重复性的时候,排除当前正在修改的数据
|
||
var idproperty = modelType.GetSingleProperty("ExcelIndex");
|
||
MemberExpression idLeft = Expression.Property(para, idproperty);
|
||
ConstantExpression idRight = Expression.Constant(entity.ExcelIndex);
|
||
BinaryExpression idNotEqual = Expression.NotEqual(idLeft, idRight);
|
||
conditions.Add(idNotEqual);
|
||
List<PropertyInfo> props = new List<PropertyInfo>();
|
||
//在每个组中循环所有字段
|
||
foreach (var field in group.Fields)
|
||
{
|
||
Expression exp = field.GetExpression(entity, para);
|
||
if (exp != null)
|
||
{
|
||
conditions.Add(exp);
|
||
}
|
||
//将字段名保存,为后面生成错误信息作准备
|
||
props.AddRange(field.GetProperties());
|
||
}
|
||
int count = 0;
|
||
if (conditions.Count > 1)
|
||
{
|
||
//循环添加条件并生成Where语句
|
||
Expression whereCallExpression = baseExp.Expression;
|
||
for (int i = 0; i < conditions.Count; i++)
|
||
{
|
||
whereCallExpression = Expression.Call(
|
||
typeof(Queryable),
|
||
"Where",
|
||
new Type[] { modelType },
|
||
whereCallExpression,
|
||
Expression.Lambda<Func<P, bool>>(conditions[i], new ParameterExpression[] { para }));
|
||
}
|
||
var result = baseExp.Provider.CreateQuery(whereCallExpression);
|
||
|
||
foreach (var res in result)
|
||
{
|
||
count++;
|
||
}
|
||
}
|
||
if (count > 0)
|
||
{
|
||
//循环拼接所有字段名
|
||
string AllName = "";
|
||
foreach (var prop in props)
|
||
{
|
||
string name = PropertyHelper.GetPropertyDisplayName(prop);
|
||
AllName += name + ",";
|
||
}
|
||
if (AllName.EndsWith(","))
|
||
{
|
||
AllName = AllName.Remove(AllName.Length - 1);
|
||
}
|
||
//如果只有一个字段重复,则拼接形成 xxx字段重复 这种提示
|
||
if (props.Count == 1)
|
||
{
|
||
ErrorListVM.EntityList.Add(new ErrorMessage { Message = CoreProgram._localizer?["Sys.DuplicateError", AllName], Index = entity.ExcelIndex });
|
||
}
|
||
//如果多个字段重复,则拼接形成 xx,yy,zz组合字段重复 这种提示
|
||
else if (props.Count > 1)
|
||
{
|
||
ErrorListVM.EntityList.Add(new ErrorMessage { Message = CoreProgram._localizer?["Sys.DuplicateGroupError", AllName], Index = entity.ExcelIndex });
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
|
||
private void TryValidateObject(object model, ValidationContext context, ICollection<ValidationResult> results)
|
||
{
|
||
var modelType = model.GetType();
|
||
foreach (var p in modelType.GetProperties())
|
||
{
|
||
var propertyValue = p.GetValue(model);
|
||
TryValidateProperty(propertyValue, context, results, p);
|
||
}
|
||
}
|
||
|
||
private void TryValidateProperty(object value, ValidationContext context, ICollection<ValidationResult> results, PropertyInfo propertyInfo = null)
|
||
{
|
||
var modelType = context.ObjectType;
|
||
if (propertyInfo == null)
|
||
{
|
||
propertyInfo = modelType.GetProperty(context.MemberName!);
|
||
}
|
||
|
||
if (propertyInfo != null)
|
||
{
|
||
var rules = propertyInfo.GetCustomAttributes(true).Where(i => i.GetType().BaseType == typeof(ValidationAttribute)).Cast<ValidationAttribute>();
|
||
var displayName = propertyInfo.GetPropertyDisplayName();
|
||
var memberName = propertyInfo.Name;
|
||
foreach (var rule in rules)
|
||
{
|
||
if (!rule.IsValid(value))
|
||
{
|
||
string errorMessage = "Error";
|
||
if (!string.IsNullOrEmpty(rule.ErrorMessage))
|
||
{
|
||
if (rule is RangeAttribute range)
|
||
{
|
||
if (range.Minimum != null && range.Maximum != null)
|
||
{
|
||
errorMessage = Wtm.Localizer[rule.ErrorMessage, displayName, range.Minimum, range.Maximum];
|
||
}
|
||
else if (range.Minimum != null)
|
||
{
|
||
errorMessage = Wtm.Localizer[rule.ErrorMessage, displayName, range.Minimum];
|
||
}
|
||
else if (range.Maximum != null)
|
||
{
|
||
errorMessage = Wtm.Localizer[rule.ErrorMessage, displayName, range.Maximum];
|
||
}
|
||
}
|
||
else if (rule is StringLengthAttribute sl)
|
||
{
|
||
if (sl.MaximumLength > 0 && sl.MinimumLength > 0)
|
||
{
|
||
errorMessage = Wtm.Localizer[rule.ErrorMessage, displayName, sl.MinimumLength, sl.MaximumLength];
|
||
}
|
||
else if (sl.MinimumLength > 0)
|
||
{
|
||
errorMessage = Wtm.Localizer[rule.ErrorMessage, displayName, sl.MinimumLength];
|
||
}
|
||
else if (sl.MaximumLength > 0)
|
||
{
|
||
errorMessage = Wtm.Localizer[rule.ErrorMessage, displayName, sl.MaximumLength];
|
||
}
|
||
}
|
||
else
|
||
{
|
||
errorMessage = Wtm.Localizer[rule.ErrorMessage, displayName];
|
||
}
|
||
}
|
||
results.Add(new ValidationResult(errorMessage, new string[] { memberName }));
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
|
||
/// <summary>
|
||
/// 保存指定表中的数据
|
||
/// </summary>
|
||
/// <returns>成功返回True,失败返回False</returns>
|
||
public virtual bool BatchSaveData()
|
||
{
|
||
//删除不必要的附件
|
||
if (DeletedFileIds != null && DeletedFileIds.Count > 0 && Wtm.ServiceProvider != null)
|
||
{
|
||
var fp = Wtm.ServiceProvider.GetRequiredService<WtmFileProvider>();
|
||
|
||
foreach (var item in DeletedFileIds)
|
||
{
|
||
fp.DeleteFile(item.ToString(), DC.ReCreate());
|
||
}
|
||
}
|
||
|
||
//进行赋值
|
||
SetEntityList();
|
||
foreach (var entity in EntityList)
|
||
{
|
||
var context = new ValidationContext(entity);
|
||
var validationResults = new List<ValidationResult>();
|
||
TryValidateObject(entity, context, validationResults);
|
||
if (validationResults.Count > 0)
|
||
{
|
||
ErrorListVM.EntityList.Add(new ErrorMessage { Message = validationResults.FirstOrDefault()?.ErrorMessage ?? "Error", ExcelIndex = entity.ExcelIndex, Index = entity.ExcelIndex });
|
||
}
|
||
}
|
||
if (ErrorListVM.EntityList.Count > 0)
|
||
{
|
||
DoReInit();
|
||
return false;
|
||
}
|
||
|
||
//执行验证
|
||
SetValidateCheck();
|
||
if (ErrorListVM.EntityList.Count > 0)
|
||
{
|
||
DoReInit();
|
||
return false;
|
||
}
|
||
|
||
//循环数据列表
|
||
List<P> ListAdd = new List<P>();
|
||
foreach (var item in EntityList)
|
||
{
|
||
//根据唯一性的设定查找数据库中是否有同样的数据
|
||
P exist = IsDuplicateData(item, finalInfo);
|
||
//如果设置了覆盖功能
|
||
if (IsOverWriteExistData)
|
||
{
|
||
if (exist != null)
|
||
{
|
||
//如果有重复数据,则进行修改
|
||
var tempPros = typeof(T).GetFields();
|
||
foreach (var pro in tempPros)
|
||
{
|
||
var excelProp = Template.GetType().GetField(pro.Name).GetValue(Template) as ExcelPropety;
|
||
var proToSet = typeof(P).GetSingleProperty(excelProp.FieldName);
|
||
if (proToSet != null)
|
||
{
|
||
var val = proToSet.GetValue(item);
|
||
PropertyHelper.SetPropertyValue(exist, excelProp.FieldName, val, stringBasedValue: true);
|
||
try
|
||
{
|
||
DC.UpdateProperty(exist, proToSet.Name);
|
||
}
|
||
catch { }
|
||
}
|
||
}
|
||
|
||
if (tempPros.Where(x => x.Name == "UpdateTime").SingleOrDefault() == null)
|
||
{
|
||
if (typeof(IBasePoco).IsAssignableFrom(exist.GetType()))
|
||
{
|
||
(exist as IBasePoco).UpdateTime = DateTime.Now;
|
||
DC.UpdateProperty(exist, "UpdateTime");
|
||
}
|
||
}
|
||
|
||
if (tempPros.Where(x => x.Name == "UpdateBy").SingleOrDefault() == null)
|
||
{
|
||
if (typeof(IBasePoco).IsAssignableFrom(exist.GetType()))
|
||
{
|
||
(exist as IBasePoco).UpdateBy = LoginUserInfo.ITCode;
|
||
DC.UpdateProperty(exist, "UpdateBy");
|
||
}
|
||
}
|
||
exist.ExcelIndex = item.ExcelIndex;
|
||
//DC.UpdateEntity(exist);
|
||
|
||
continue;
|
||
}
|
||
else
|
||
{
|
||
if (typeof(IPersistPoco).IsAssignableFrom(item.GetType()))
|
||
{
|
||
(item as IPersistPoco).IsValid = true;
|
||
}
|
||
}
|
||
}
|
||
else
|
||
{
|
||
if (exist == null)
|
||
{
|
||
if (typeof(IPersistPoco).IsAssignableFrom(item.GetType()))
|
||
{
|
||
(item as IPersistPoco).IsValid = true;
|
||
}
|
||
}
|
||
}
|
||
//进行添加操作
|
||
if (typeof(IBasePoco).IsAssignableFrom(item.GetType()))
|
||
{
|
||
(item as IBasePoco).CreateTime = DateTime.Now;
|
||
(item as IBasePoco).CreateBy = LoginUserInfo?.ITCode;
|
||
}
|
||
//如果是SqlServer数据库,而且没有主子表功能,进行Bulk插入
|
||
if (ConfigInfo.Connections.Where(x => x.Key == (CurrentCS ?? "default")).FirstOrDefault().DbType == DBTypeEnum.SqlServer && !HasSubTable && UseBulkSave == true)
|
||
{
|
||
ListAdd.Add(item);
|
||
}
|
||
else
|
||
{
|
||
DC.Set<P>().Add(item);
|
||
}
|
||
}
|
||
|
||
if (ErrorListVM.EntityList.Count > 0)
|
||
{
|
||
DoReInit();
|
||
return false;
|
||
}
|
||
|
||
//如果没有错误,更新数据库
|
||
if (EntityList.Count > 0)
|
||
{
|
||
try
|
||
{
|
||
DC.SaveChanges();
|
||
|
||
if (ListAdd.Count > 0)
|
||
{
|
||
BulkInsert<P>(DC, DC.GetTableName<P>(), ListAdd);
|
||
}
|
||
}
|
||
catch (Exception e)
|
||
{
|
||
SetExceptionMessage(e, null);
|
||
DoReInit();
|
||
return false;
|
||
}
|
||
}
|
||
if (string.IsNullOrEmpty(UploadFileId) == false && Wtm.ServiceProvider != null)
|
||
{
|
||
var fp = Wtm.ServiceProvider.GetRequiredService<WtmFileProvider>();
|
||
fp.DeleteFile(UploadFileId, DC.ReCreate());
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
/// <summary>
|
||
/// 批量插入数据库操作,支持SqlServer
|
||
/// </summary>
|
||
/// <typeparam name="K"></typeparam>
|
||
/// <param name="dc">data context</param>
|
||
/// <param name="tableName"></param>
|
||
/// <param name="list"></param>
|
||
protected static void BulkInsert<K>(IDataContext dc, string tableName, IList<K> list)
|
||
{
|
||
using (var bulkCopy = new SqlBulkCopy(dc.CSName))
|
||
{
|
||
bulkCopy.BatchSize = list.Count;
|
||
bulkCopy.DestinationTableName = tableName;
|
||
|
||
var table = new DataTable();
|
||
var props = typeof(K).GetAllProperties().Distinct(x => x.Name);
|
||
|
||
//生成Table的列
|
||
foreach (var propertyInfo in props)
|
||
{
|
||
var notmapped = propertyInfo.GetCustomAttribute<NotMappedAttribute>();
|
||
var notobject = propertyInfo.PropertyType.Namespace.Equals("System") || propertyInfo.PropertyType.IsEnumOrNullableEnum();
|
||
if (notmapped == null && notobject)
|
||
{
|
||
string Name = dc.GetFieldName<K>(propertyInfo.Name);
|
||
bulkCopy.ColumnMappings.Add(Name, Name);
|
||
table.Columns.Add(Name, Nullable.GetUnderlyingType(propertyInfo.PropertyType) ?? propertyInfo.PropertyType);
|
||
}
|
||
}
|
||
|
||
//给Table赋值
|
||
var values = new object[table.Columns.Count];
|
||
foreach (var item in list)
|
||
{
|
||
var Index = 0;
|
||
foreach (var propertyInfo in props)
|
||
{
|
||
var notmapped = propertyInfo.GetCustomAttribute<NotMappedAttribute>();
|
||
var notobject = propertyInfo.PropertyType.Namespace.Equals("System") || propertyInfo.PropertyType.IsEnumOrNullableEnum();
|
||
if (notmapped == null && notobject)
|
||
{
|
||
values[Index] = propertyInfo.GetValue(item);
|
||
Index++;
|
||
}
|
||
}
|
||
table.Rows.Add(values);
|
||
}
|
||
//检测是否有继承字段,如果存在,进行赋值
|
||
string Discriminator = dc.GetFieldName<K>("Discriminator");
|
||
if (!string.IsNullOrEmpty(Discriminator))
|
||
{
|
||
bulkCopy.ColumnMappings.Add("Discriminator", "Discriminator");
|
||
table.Columns.Add("Discriminator", typeof(string));
|
||
for (int i = 0; i < table.Rows.Count; i++)
|
||
{
|
||
table.Rows[i]["Discriminator"] = typeof(K).Name;
|
||
}
|
||
}
|
||
bulkCopy.WriteToServer(table);
|
||
}
|
||
}
|
||
#endregion
|
||
|
||
#region 验证是否空行
|
||
/// <summary>
|
||
/// 验证Excel中某行是否为空行
|
||
/// </summary>
|
||
/// <param name="row">行数</param>
|
||
/// <param name="colCount">列数</param>
|
||
/// <returns>True代表空行,False代表非空行</returns>
|
||
private bool IsEmptyRow(XSSFRow row, int colCount)
|
||
{
|
||
bool result = true;
|
||
for (int i = 0; i < colCount; i++)
|
||
{
|
||
string value = row.GetCell(i, MissingCellPolicy.CREATE_NULL_AS_BLANK).ToString();
|
||
if (!string.IsNullOrEmpty(value))
|
||
{
|
||
result = false;
|
||
break;
|
||
}
|
||
}
|
||
return result;
|
||
}
|
||
#endregion
|
||
|
||
#region 复制Excel属性
|
||
/// <summary>
|
||
/// 复制Excel属性
|
||
/// </summary>
|
||
/// <param name="excelPropety">单元格属性</param>
|
||
/// <returns>复制后的单元格</returns>
|
||
private ExcelPropety CopyExcelPropety(ExcelPropety excelPropety)
|
||
{
|
||
ExcelPropety ep = new ExcelPropety
|
||
{
|
||
BackgroudColor = excelPropety.BackgroudColor,
|
||
ColumnName = excelPropety.ColumnName,
|
||
DataType = excelPropety.DataType,
|
||
ResourceType = excelPropety.ResourceType,
|
||
IsNullAble = excelPropety.IsNullAble,
|
||
ListItems = excelPropety.ListItems,
|
||
MaxValuseOrLength = excelPropety.MaxValuseOrLength,
|
||
MinValueOrLength = excelPropety.MinValueOrLength,
|
||
Value = excelPropety.Value,
|
||
SubTableType = excelPropety.SubTableType,
|
||
CharCount = excelPropety.CharCount,
|
||
ReadOnly = excelPropety.ReadOnly,
|
||
FormatData = excelPropety.FormatData,
|
||
FormatSingleData = excelPropety.FormatSingleData,
|
||
FieldName = excelPropety.FieldName
|
||
};
|
||
List<ExcelPropety> li = new List<ExcelPropety>();
|
||
foreach (var item in excelPropety.DynamicColumns)
|
||
{
|
||
li.Add(CopyExcelPropety(item));
|
||
}
|
||
ep.DynamicColumns = li;
|
||
return ep;
|
||
}
|
||
#endregion
|
||
|
||
#region 设置异常信息
|
||
/// <summary>
|
||
/// 设置错误信息
|
||
/// </summary>
|
||
/// <param name="e">异常</param>
|
||
/// <param name="id">数据Id</param>
|
||
protected void SetExceptionMessage(Exception e, long? id)
|
||
{
|
||
//检查是否为数据库操作错误
|
||
if (e is DbUpdateException)
|
||
{
|
||
var de = e as DbUpdateException;
|
||
if (de.Entries != null)
|
||
{
|
||
if (de.Entries.Count == 0)
|
||
{
|
||
ErrorListVM.EntityList.Add(new ErrorMessage { Index = 0, Message = e.Message + e.InnerException?.Message });
|
||
}
|
||
//循环此错误相关的数据
|
||
foreach (var ent in de.Entries)
|
||
{
|
||
//获取错误数据Id
|
||
var errorId = (long)((ent.Entity as TopBasePoco).ExcelIndex);
|
||
//根据State判断修改或删除操作,输出不同的错误信息
|
||
if (ent.State == EntityState.Deleted)
|
||
{
|
||
ErrorListVM.EntityList.Add(new ErrorMessage { Index = errorId, Message = CoreProgram._localizer?["Sys.DataCannotDelete"] });
|
||
}
|
||
else if (ent.State == EntityState.Modified)
|
||
{
|
||
ErrorListVM.EntityList.Add(new ErrorMessage { Index = errorId, Message = CoreProgram._localizer?["Sys.EditFailed"] });
|
||
}
|
||
else
|
||
{
|
||
ErrorListVM.EntityList.Add(new ErrorMessage { Index = errorId, Message = de.Message });
|
||
}
|
||
}
|
||
}
|
||
}
|
||
//对于其他类型的错误,直接添加错误信息
|
||
else
|
||
{
|
||
if (id != null)
|
||
{
|
||
ErrorListVM.EntityList.Add(new ErrorMessage { Index = id.Value, Message = e.Message });
|
||
}
|
||
else
|
||
{
|
||
ErrorListVM.EntityList.Add(new ErrorMessage { Index = 0, Message = e.Message });
|
||
}
|
||
}
|
||
}
|
||
#endregion
|
||
|
||
#region 验证数据重复
|
||
|
||
/// <summary>
|
||
/// 判断数据是否在库中存在重复数据
|
||
/// </summary>
|
||
/// <param name="Entity">要验证的数据</param>
|
||
/// <param name="checkCondition">验证表达式</param>
|
||
/// <returns>null代表没有重复</returns>
|
||
protected P IsDuplicateData(P Entity, DuplicatedInfo<P> checkCondition)
|
||
{
|
||
//获取设定的重复字段信息
|
||
if (checkCondition != null && checkCondition.Groups.Count > 0)
|
||
{
|
||
//生成基础Query
|
||
var baseExp = DC.Set<P>().AsQueryable();
|
||
var modelType = typeof(P);
|
||
ParameterExpression para = Expression.Parameter(modelType, "tm");
|
||
//循环所有重复字段组
|
||
foreach (var group in checkCondition.Groups)
|
||
{
|
||
List<Expression> conditions = new List<Expression>();
|
||
//生成一个表达式,类似于 x=>x.Id != id,这是为了当修改数据时验证重复性的时候,排除当前正在修改的数据
|
||
//在每个组中循环所有字段
|
||
List<PropertyInfo> props = new List<PropertyInfo>();
|
||
//在每个组中循环所有字段
|
||
foreach (var field in group.Fields)
|
||
{
|
||
Expression exp = field.GetExpression(Entity, para);
|
||
if (exp != null)
|
||
{
|
||
conditions.Add(exp);
|
||
}
|
||
//将字段名保存,为后面生成错误信息作准备
|
||
props.AddRange(field.GetProperties());
|
||
}
|
||
|
||
if (conditions.Count > 0)
|
||
{
|
||
//循环添加条件并生成Where语句
|
||
Expression whereCallExpression = baseExp.Expression;
|
||
for (int i = 0; i < conditions.Count; i++)
|
||
{
|
||
whereCallExpression = Expression.Call(
|
||
typeof(Queryable),
|
||
"Where",
|
||
new Type[] { modelType },
|
||
whereCallExpression,
|
||
Expression.Lambda<Func<P, bool>>(conditions[i], new ParameterExpression[] { para }));
|
||
}
|
||
var result = baseExp.Provider.CreateQuery(whereCallExpression);
|
||
|
||
|
||
foreach (var res in result)
|
||
{
|
||
if (IsOverWriteExistData == false)
|
||
{
|
||
//循环拼接所有字段名
|
||
string AllName = "";
|
||
foreach (var prop in props)
|
||
{
|
||
string name = PropertyHelper.GetPropertyDisplayName(prop);
|
||
AllName += name + ",";
|
||
}
|
||
if (AllName.EndsWith(","))
|
||
{
|
||
AllName = AllName.Remove(AllName.Length - 1);
|
||
}
|
||
//如果只有一个字段重复,则拼接形成 xxx字段重复 这种提示
|
||
if (props.Count == 1)
|
||
{
|
||
ErrorListVM.EntityList.Add(new ErrorMessage { Message = CoreProgram._localizer?["Sys.DuplicateError", AllName], Index = Entity.ExcelIndex });
|
||
}
|
||
//如果多个字段重复,则拼接形成 xx,yy,zz组合字段重复 这种提示
|
||
else if (props.Count > 1)
|
||
{
|
||
ErrorListVM.EntityList.Add(new ErrorMessage { Message = CoreProgram._localizer?["Sys.DuplicateGroupError", AllName], Index = Entity.ExcelIndex });
|
||
}
|
||
|
||
}
|
||
return res as P;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
return null;
|
||
}
|
||
#endregion
|
||
|
||
protected DuplicatedInfo<P> CreateFieldsInfo(params DuplicatedField<P>[] FieldExps)
|
||
{
|
||
DuplicatedInfo<P> d = new DuplicatedInfo<P>();
|
||
d.AddGroup(FieldExps);
|
||
return d;
|
||
}
|
||
|
||
/// <summary>
|
||
/// 创建一个简单重复数据信息
|
||
/// </summary>
|
||
/// <param name="FieldExp">重复数据的字段</param>
|
||
/// <returns>重复数据信息</returns>
|
||
public static DuplicatedField<P> SimpleField(Expression<Func<P, object>> FieldExp)
|
||
{
|
||
return new DuplicatedField<P>(FieldExp);
|
||
}
|
||
|
||
/// <summary>
|
||
/// 创建一个关联到其他表数组中数据的重复信息
|
||
/// </summary>
|
||
/// <typeparam name="V">关联表类</typeparam>
|
||
/// <param name="MiddleExp">指向关联表类数组的Lambda</param>
|
||
/// <param name="FieldExps">指向最终字段的Lambda</param>
|
||
/// <returns>重复数据信息</returns>
|
||
public static DuplicatedField<P> SubField<V>(Expression<Func<P, List<V>>> MiddleExp, params Expression<Func<V, object>>[] FieldExps)
|
||
{
|
||
return new ComplexDuplicatedField<P, V>(MiddleExp, FieldExps);
|
||
}
|
||
|
||
public ErrorObj GetErrorJson()
|
||
{
|
||
var mse = new ErrorObj();
|
||
mse.Form = new Dictionary<string, string>();
|
||
var err = ErrorListVM?.EntityList?.Where(x => x.Index == 0).FirstOrDefault()?.Message;
|
||
if (string.IsNullOrEmpty(err))
|
||
{
|
||
Models.IWtmFile fa = null;
|
||
if(Wtm.ServiceProvider == null) {
|
||
return mse;
|
||
}
|
||
var fp = Wtm.ServiceProvider.GetRequiredService<WtmFileProvider>();
|
||
fa = fp.GetFile(UploadFileId, true, DC);
|
||
xssfworkbook = new XSSFWorkbook(fa.DataStream);
|
||
fa.DataStream.Dispose();
|
||
var propetys = Template.GetType().GetFields().Where(x => x.FieldType == typeof(ExcelPropety)).ToList();
|
||
List<ExcelPropety> excelPropetys = new List<ExcelPropety>();
|
||
for (int porpetyIndex = 0; porpetyIndex < propetys.Count(); porpetyIndex++)
|
||
{
|
||
ExcelPropety ep = (ExcelPropety)propetys[porpetyIndex].GetValue(Template);
|
||
excelPropetys.Add(ep);
|
||
}
|
||
int columnCount = excelPropetys.Count;
|
||
//int excelPropetyCount = excelPropetys.Count;
|
||
var dynamicColumn = excelPropetys.Where(x => x.DataType == ColumnDataType.Dynamic).FirstOrDefault();
|
||
if (dynamicColumn != null)
|
||
{
|
||
columnCount = columnCount + dynamicColumn.DynamicColumns.Count - 1;
|
||
}
|
||
ISheet sheet = xssfworkbook.GetSheetAt(0);
|
||
var errorStyle = xssfworkbook.CreateCellStyle();
|
||
IFont f = xssfworkbook.CreateFont();
|
||
f.Color = HSSFColor.Red.Index;
|
||
errorStyle.SetFont(f);
|
||
errorStyle.IsLocked = true;
|
||
foreach (var e in ErrorListVM?.EntityList)
|
||
{
|
||
if (e.Index > 0)
|
||
{
|
||
var c = sheet.GetRow((int)(e.Index - 1)).CreateCell(columnCount);
|
||
c.CellStyle = errorStyle;
|
||
c.SetCellValue(e.Message);
|
||
}
|
||
}
|
||
MemoryStream ms = new MemoryStream();
|
||
xssfworkbook.Write(ms);
|
||
ms.Position = 0;
|
||
|
||
var newfile = fp.Upload("Error-" + fa.FileName, ms.Length, ms);
|
||
ms.Close();
|
||
ms.Dispose();
|
||
err = CoreProgram._localizer?["Sys.ImportError"];
|
||
mse.Form.Add("Entity.Import", err);
|
||
mse.Form.Add("Entity.ErrorFileId", newfile.GetID());
|
||
}
|
||
else
|
||
{
|
||
mse.Form.Add("Entity.Import", err);
|
||
}
|
||
return mse;
|
||
}
|
||
}
|
||
|
||
#region 辅助类
|
||
public class ErrorMessage : TopBasePoco
|
||
{
|
||
[Display(Name = "Sys.RowIndex")]
|
||
public long Index { get; set; }
|
||
|
||
[Display(Name = "Sys.CellIndex")]
|
||
public long Cell { get; set; }
|
||
[Display(Name = "Sys.ErrorMsg")]
|
||
public string Message { get; set; }
|
||
}
|
||
|
||
/// <summary>
|
||
/// 错误数据列表
|
||
/// </summary>
|
||
public class TemplateErrorListVM : BasePagedListVM<ErrorMessage, BaseSearcher>
|
||
{
|
||
|
||
public TemplateErrorListVM()
|
||
{
|
||
EntityList = new List<ErrorMessage>();
|
||
NeedPage = false;
|
||
}
|
||
|
||
protected override IEnumerable<IGridColumn<ErrorMessage>> InitGridHeader()
|
||
{
|
||
return new List<GridColumn<ErrorMessage>>{
|
||
this.MakeGridHeader(x => x.Index, 60),
|
||
this.MakeGridHeader(x => x.Message)
|
||
};
|
||
}
|
||
|
||
public override IOrderedQueryable<ErrorMessage> GetSearchQuery()
|
||
{
|
||
return EntityList.AsQueryable().OrderBy(x => x.Index);
|
||
}
|
||
}
|
||
|
||
#endregion
|
||
|
||
}
|