/// <summary>
/// 物理删除，对于普通的TopBasePoco和Delete操作相同，对于PersistPoco则进行真正的删除。子类如有自定义操作应重载本函数
/// </summary>
public virtual void DoRealDelete()
{
try
{
List <Guid> fileids = new List <Guid>();
var pros = typeof(TModel).GetProperties();
//如果包含附件，则先删除附件
var fa = pros.Where(x => x.PropertyType == typeof(FileAttachment) || typeof(TopBasePoco).IsAssignableFrom(x.PropertyType)).ToList();
foreach (var f in fa)
{
if (f.GetValue(Entity) is FileAttachment file)
{
fileids.Add(file.ID);
}
f.SetValue(Entity, null);
}
DC.DeleteEntity(Entity);
DC.SaveChanges();
foreach (var item in fileids)
{
FileAttachmentVM ofa = new FileAttachmentVM();
ofa.CopyContext(this);
ofa.SetEntityById(item);
ofa.DoDelete();
}
}
catch (Exception e)
{
MSD.AddModelError("", "数据使用中，无法删除");
}
}
/// <summary>
/// 物理删除，对于普通的TopBasePoco和Delete操作相同，对于PersistPoco则进行真正的删除。子类如有自定义操作应重载本函数
/// </summary>
public virtual void DoRealDelete()
{
try
{
DC.DeleteEntity(Entity);
DC.SaveChanges();
var pros = typeof(TModel).GetProperties();
//如果包含附件，则先删除附件
var fa = pros.Where(x => x.PropertyType == typeof(FileAttachment)).ToList();
foreach (var f in fa)
{
if (f.GetValue(Entity) is FileAttachment file)
{
FileAttachmentVM ofa = new FileAttachmentVM();
ofa.CopyContext(this);
ofa.SetEntityById(file.ID);
ofa.DoDelete();
}
}
}
catch (Exception e)
{
MSD.AddModelError("", "数据使用中，无法删除");
}
}
/// <summary>
/// 通过FileAttachmentVM获取其文件流
/// </summary>
/// <param name="vm"></param>
/// <param name="con"></param>
/// <returns></returns>
public static byte[] GetFileByteForDownLoadByVM(FileAttachmentVM vm, Configs con)
{
byte[] data = null;
SaveFileModeEnum saveMode = vm.Entity.SaveFileMode == null ? con.FileUploadOptions.SaveFileMode : vm.Entity.SaveFileMode.Value;
data = GetBytes(saveMode, vm.Entity, vm.DC);
return(data);
}
/// <summary>
/// 物理删除，对于普通的TopBasePoco和Delete操作相同，对于PersistPoco则进行真正的删除。子类如有自定义操作应重载本函数
/// </summary>
public virtual void DoRealDelete()
{
try
{
List <Guid> fileids = new List <Guid>();
var pros = typeof(TModel).GetProperties();
//如果包含附件，则先删除附件
var fa = pros.Where(x => x.PropertyType == typeof(FileAttachment) || typeof(TopBasePoco).IsAssignableFrom(x.PropertyType)).ToList();
foreach (var f in fa)
{
if (f.GetValue(Entity) is FileAttachment file)
{
fileids.Add(file.ID);
}
f.SetValue(Entity, null);
}
var fas = pros.Where(x => typeof(IEnumerable <ISubFile>).IsAssignableFrom(x.PropertyType)).ToList();
foreach (var f in fas)
{
var subs = f.GetValue(Entity) as IEnumerable <ISubFile>;
if (subs != null)
{
foreach (var sub in subs)
{
fileids.Add(sub.FileId);
}
f.SetValue(Entity, null);
}
}
if (typeof(TModel) != typeof(FileAttachment))
{
foreach (var pro in pros)
{
if (pro.PropertyType.GetTypeInfo().IsSubclassOf(typeof(TopBasePoco)))
{
pro.SetValue(Entity, null);
}
}
}
DC.DeleteEntity(Entity);
DC.SaveChanges();
foreach (var item in fileids)
{
FileAttachmentVM ofa = new FileAttachmentVM();
ofa.CopyContext(this);
ofa.SetEntityById(item);
ofa.DoDelete();
}
}
catch (Exception)
{
MSD.AddModelError("", Program._localizer["DeleteFailed"]);
}
}
/// <summary>
/// 物理删除，对于普通的TopBasePoco和Delete操作相同，对于PersistPoco则进行真正的删除。子类如有自定义操作应重载本函数
/// </summary>
public virtual void DoRealDelete()
{
try
{
List <Guid> fileids = new List <Guid>();
var pros = typeof(TModel).GetProperties();
//如果包含附件，则先删除附件
var fa = pros.Where(x => x.PropertyType == typeof(FileAttachment) || typeof(TopBasePoco).IsAssignableFrom(x.PropertyType)).ToList();
foreach (var f in fa)
{
if (f.GetValue(Entity) is FileAttachment file)
{
fileids.Add(file.ID);
}
f.SetValue(Entity, null);
}
var fas = pros.Where(x => typeof(IEnumerable <ISubFile>).IsAssignableFrom(x.PropertyType)).ToList();
foreach (var f in fas)
{
var subs = f.GetValue(Entity) as IEnumerable <ISubFile>;
foreach (var sub in subs)
{
fileids.Add(sub.FileId);
}
f.SetValue(Entity, null);
}
using (var newdc = DC.ReCreate())
{
TModel m = new TModel();
m.SetPropertyValue("ID", Entity.GetID());
newdc.Set <TModel>().Attach(m);
newdc.DeleteEntity(m);
newdc.SaveChanges();
}
foreach (var item in fileids)
{
FileAttachmentVM ofa = new FileAttachmentVM();
ofa.CopyContext(this);
ofa.SetEntityById(item);
ofa.DoDelete();
}
}
catch (Exception e)
{
MSD.AddModelError("", "数据使用中，无法删除");
}
}
public virtual async Task DoAddAsync()
{
DoAddPrepare();
//删除不需要的附件
if (DeletedFileIds != null)
{
foreach (var item in DeletedFileIds)
{
FileAttachmentVM ofa = new FileAttachmentVM();
ofa.CopyContext(this);
ofa.SetEntityById(item);
await ofa.DoDeleteAsync();
}
}
await DC.SaveChangesAsync();
}
/// <summary>
/// 添加，进行默认的添加操作。子类如有自定义操作应重载本函数
/// </summary>
public virtual void DoAdd()
{
DoAddPrepare();
//删除不需要的附件
if (DeletedFileIds != null)
{
foreach (var item in DeletedFileIds)
{
FileAttachmentVM ofa = new FileAttachmentVM();
ofa.CopyContext(this);
ofa.SetEntityById(item);
ofa.DoDelete();
}
}
DC.SaveChanges();
}
/// <summary>
/// 修改，进行默认的修改操作。子类如有自定义操作应重载本函数
/// </summary>
/// <param name="updateAllFields">为true时，框架会更新当前Entity的全部值，为false时，框架会检查Request.Form里的key，只更新表单提交的字段</param>
public virtual void DoEdit(bool updateAllFields = false)
{
DoEditPrepare(updateAllFields);
DC.SaveChanges();
//删除不需要的附件
if (DeletedFileIds != null)
{
foreach (var item in DeletedFileIds)
{
FileAttachmentVM ofa = new FileAttachmentVM();
ofa.CopyContext(this);
ofa.SetEntityById(item);
ofa.DoDelete();
}
}
}
/// <summary>
/// 上传文件并返回FileAttachmentVM(后台代码使用)
/// </summary>
/// <param name="vm"></param>
/// <param name="FileData"></param>
/// <param name="con"></param>
/// <param name="FileName"></param>
/// <param name="savePlace"></param>
/// <returns></returns>
public static FileAttachmentVM GetFileByteForUpload(FileAttachmentVM vm, Stream FileData, Configs con, string FileName = null, SaveFileModeEnum?savePlace = null)
{
savePlace = savePlace == null ? con.SaveFileMode : savePlace;
var ext = string.Empty;
if (string.IsNullOrEmpty(FileName) == false)
{
var dotPos = FileName.LastIndexOf('.');
ext = FileName.Substring(dotPos + 1);
}
vm.Entity.FileName = FileName;
vm.Entity.FileExt = ext;
if (savePlace == SaveFileModeEnum.Database)
{
using (var dataStream = new System.IO.MemoryStream())
{
FileData.CopyTo(dataStream);
vm.Entity.FileData = new FileAttachmentData();
vm.Entity.FileData.FileData = dataStream.ToArray();
}
}
else if (savePlace == SaveFileModeEnum.Local)
{
string pathHeader = con.UploadDir;
if (!Directory.Exists(pathHeader))
{
Directory.CreateDirectory(pathHeader);
}
var fullPath = $"{pathHeader}/{Guid.NewGuid().ToNoSplitString()}.{vm.Entity.FileExt}";
using (var fileStream = File.Create(fullPath))
{
FileData.CopyTo(fileStream);
vm.Entity.Path = fullPath;
vm.Entity.FileData = new FileAttachmentData();
}
}
FileData.Dispose();
return(vm);
}
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))
{
var fa = DC.Set <FileAttachment>().Where(x => x.ID == UploadFileId).SingleOrDefault();
hssfworkbook = FileHelper.GetHSSWorkbook(hssfworkbook, (FileAttachment)fa, ConfigInfo);
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 = hssfworkbook.GetSheetAt(0);
var errorStyle = hssfworkbook.CreateCellStyle();
IFont f = hssfworkbook.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();
hssfworkbook.Write(ms);
ms.Position = 0;
FileAttachmentVM vm = new FileAttachmentVM();
vm.CopyContext(this);
vm.Entity.FileName = "Error-" + fa.FileName;
vm.Entity.Length = ms.Length;
vm.Entity.UploadTime = DateTime.Now;
vm.Entity.SaveFileMode = ConfigInfo.FileUploadOptions.SaveFileMode;
vm = FileHelper.GetFileByteForUpload(vm, ms, ConfigInfo, vm.Entity.FileName, null, null);
vm.Entity.IsTemprory = true;
if ((!string.IsNullOrEmpty(vm.Entity.Path) && (vm.Entity.SaveFileMode == SaveFileModeEnum.Local || vm.Entity.SaveFileMode == SaveFileModeEnum.DFS)) || (vm.Entity.FileData != null && vm.Entity.SaveFileMode == SaveFileModeEnum.Database))
{
vm.DoAdd();
}
ms.Close();
ms.Dispose();
err = "导入时发生错误";
mse.Form.Add("Entity.Import", err);
mse.Form.Add("Entity.ErrorFileId", vm.Entity.ID.ToString());
}
else
{
mse.Form.Add("Entity.Import", err);
}
return(mse);
}
/// <summary>
/// 修改，进行默认的修改操作。子类如有自定义操作应重载本函数
/// </summary>
/// <param name="updateAllFields">为true时，框架会更新当前Entity的全部值，为false时，框架会检查Request.Form里的key，只更新表单提交的字段</param>
public virtual void DoEdit(bool updateAllFields = false)
{
//自动设定修改日期和修改人
if (typeof(TModel).GetTypeInfo().IsSubclassOf(typeof(BasePoco)))
{
BasePoco ent = Entity as BasePoco;
if (ent.UpdateTime == null)
{
ent.UpdateTime = DateTime.Now;
}
if (string.IsNullOrEmpty(ent.UpdateBy))
{
ent.UpdateBy = LoginUserInfo?.ITCode;
}
}
var pros = typeof(TModel).GetProperties();
#region 更新子表
foreach (var pro in pros)
{
//找到类型为List<xxx>的字段
if (pro.PropertyType.GenericTypeArguments.Count() > 0)
{
//获取xxx的类型
var ftype = pro.PropertyType.GenericTypeArguments.First();
//如果xxx继承自TopBasePoco
if (ftype.IsSubclassOf(typeof(TopBasePoco)))
{
//界面传过来的子表数据
if (pro.GetValue(Entity) is IEnumerable <TopBasePoco> list && list.Count() > 0)
{
//获取外键字段名称
string fkname = DC.GetFKName <TModel>(pro.Name);
PropertyInfo[] itemPros = ftype.GetProperties();
bool found = false;
foreach (var newitem in list)
{
var subtype = newitem.GetType();
if (subtype.IsSubclassOf(typeof(BasePoco)))
{
BasePoco ent = newitem as BasePoco;
if (ent.UpdateTime == null)
{
ent.UpdateTime = DateTime.Now;
}
if (string.IsNullOrEmpty(ent.UpdateBy))
{
ent.UpdateBy = LoginUserInfo?.ITCode;
}
}
//循环页面传过来的子表数据,将关联到TopBasePoco的字段设为null,并且把外键字段的值设定为主表ID
foreach (var itempro in itemPros)
{
if (itempro.PropertyType.IsSubclassOf(typeof(TopBasePoco)))
{
itempro.SetValue(newitem, null);
}
if (!string.IsNullOrEmpty(fkname))
{
if (itempro.Name.ToLower() == fkname.ToLower())
{
itempro.SetValue(newitem, Entity.ID);
found = true;
}
}
}
}
//如果没有找到相应的外建字段，则可能是多对多的关系，或者做了特殊的设定，这种情况框架无法支持，直接退出本次循环
if (found == false)
{
continue;
}
TModel _entity = null;
//打开新的数据库联接,获取数据库中的主表和子表数据
using (var ndc = DC.CreateNew())
{
_entity = ndc.Set <TModel>().Include(pro.Name).AsNoTracking().Where(x => x.ID == Entity.ID).FirstOrDefault();
}
//比较子表原数据和新数据的区别
IEnumerable <TopBasePoco> toadd = null;
IEnumerable <TopBasePoco> toremove = null;
IEnumerable <TopBasePoco> data = _entity.GetType().GetProperty(pro.Name).GetValue(_entity) as IEnumerable <TopBasePoco>;
Utils.CheckDifference(data, list, out toremove, out toadd);
//设定子表应该更新的字段
List <string> setnames = new List <string>();
foreach (var field in FC.Keys)
{
if (field.StartsWith("Entity." + pro.Name + "[0]."))
{
string name = field.Replace("Entity." + pro.Name + "[0].", "");
setnames.Add(name);
}
}
//前台传过来的数据
foreach (var newitem in list)
{
//数据库中的数据
foreach (var item in data)
{
//需要更新的数据
if (newitem.ID == item.ID)
{
dynamic i = newitem;
var newitemType = item.GetType();
foreach (var itempro in itemPros)
{
if (!itempro.PropertyType.IsSubclassOf(typeof(TopBasePoco)) && (updateAllFields == true || setnames.Contains(itempro.Name)))
{
var notmapped = itempro.GetCustomAttribute <NotMappedAttribute>();
if (itempro.Name != "ID" && notmapped == null && itempro.PropertyType.IsList() == false)
{
DC.UpdateProperty(i, itempro.Name);
}
}
}
DC.UpdateProperty(i, "UpdateTime");
DC.UpdateProperty(i, "UpdateBy");
}
}
}
//需要删除的数据
foreach (var item in toremove)
{
foreach (var itempro in itemPros)
{
if (itempro.PropertyType.IsSubclassOf(typeof(TopBasePoco)))
{
itempro.SetValue(item, null);
}
}
dynamic i = item;
DC.DeleteEntity(i);
}
//需要添加的数据
foreach (var item in toadd)
{
if (item.GetType().IsSubclassOf(typeof(BasePoco)))
{
BasePoco ent = item as BasePoco;
if (ent.CreateTime == null)
{
ent.CreateTime = DateTime.Now;
}
if (string.IsNullOrEmpty(ent.CreateBy))
{
ent.CreateBy = LoginUserInfo?.ITCode;
}
}
DC.AddEntity(item);
}
}
else if (FC.Keys.Contains("Entity." + pro.Name + ".DONOTUSECLEAR") || (pro.GetValue(Entity) is IEnumerable <TopBasePoco> list2 && list2?.Count() == 0))
{
PropertyInfo[] itemPros = ftype.GetProperties();
var _entity = DC.Set <TModel>().Include(pro.Name).AsNoTracking().Where(x => x.ID == Entity.ID).FirstOrDefault();
if (_entity != null)
{
IEnumerable <TopBasePoco> removeData = _entity.GetType().GetProperty(pro.Name).GetValue(_entity) as IEnumerable <TopBasePoco>;
foreach (var item in removeData)
{
foreach (var itempro in itemPros)
{
if (itempro.PropertyType.IsSubclassOf(typeof(TopBasePoco)))
{
itempro.SetValue(item, null);
}
}
dynamic i = item;
DC.DeleteEntity(i);
}
}
}
}
}
}
#endregion
if (updateAllFields == false)
{
foreach (var field in FC.Keys)
{
if (field.StartsWith("Entity.") && !field.Contains("["))
{
string name = field.Replace("Entity.", "");
try
{
DC.UpdateProperty(Entity, name);
}
catch (Exception)
{
}
}
}
if (typeof(TModel).GetTypeInfo().IsSubclassOf(typeof(BasePoco)))
{
try
{
DC.UpdateProperty(Entity, "UpdateTime");
DC.UpdateProperty(Entity, "UpdateBy");
}
catch (Exception)
{
}
}
}
else
{
DC.UpdateEntity(Entity);
}
DC.SaveChanges();
//删除不需要的附件
if (DeletedFileIds != null)
{
foreach (var item in DeletedFileIds)
{
FileAttachmentVM ofa = new FileAttachmentVM();
ofa.CopyContext(this);
ofa.SetEntityById(item);
ofa.DoDelete();
}
}
}
/// <summary>
/// 添加，进行默认的添加操作。子类如有自定义操作应重载本函数
/// </summary>
public virtual void DoAdd()
{
var pros = typeof(TModel).GetProperties();
//将所有TopBasePoco的属性赋空值，防止添加关联的重复内容
if (typeof(TModel) != typeof(FileAttachment))
{
foreach (var pro in pros)
{
if (pro.PropertyType.GetTypeInfo().IsSubclassOf(typeof(TopBasePoco)))
{
pro.SetValue(Entity, null);
}
}
}
//自动设定添加日期和添加人
if (typeof(TModel).GetTypeInfo().IsSubclassOf(typeof(BasePoco)))
{
BasePoco ent = Entity as BasePoco;
if (ent.CreateTime == null)
{
ent.CreateTime = DateTime.Now;
}
if (string.IsNullOrEmpty(ent.CreateBy))
{
ent.CreateBy = LoginUserInfo?.ITCode;
}
}
if (typeof(TModel).GetTypeInfo().IsSubclassOf(typeof(PersistPoco)))
{
(Entity as PersistPoco).IsValid = true;
}
#region 更新子表
foreach (var pro in pros)
{
//找到类型为List<xxx>的字段
if (pro.PropertyType.GenericTypeArguments.Count() > 0)
{
//获取xxx的类型
var ftype = pro.PropertyType.GenericTypeArguments.First();
//如果xxx继承自TopBasePoco
if (ftype.IsSubclassOf(typeof(BasePoco)))
{
//界面传过来的子表数据
IEnumerable <TopBasePoco> list = pro.GetValue(Entity) as IEnumerable <BasePoco>;
if (list != null && list.Count() > 0)
{
string fkname = DC.GetFKName <TModel>(pro.Name);
PropertyInfo[] itemPros = ftype.GetProperties();
bool found = false;
foreach (var newitem in list)
{
foreach (var itempro in itemPros)
{
if (itempro.PropertyType.IsSubclassOf(typeof(TopBasePoco)))
{
itempro.SetValue(newitem, null);
}
if (!string.IsNullOrEmpty(fkname))
{
if (itempro.Name.ToLower() == fkname.ToLower())
{
itempro.SetValue(newitem, Entity.ID);
found = true;
}
}
}
}
//如果没有找到相应的外建字段，则可能是多对多的关系，或者做了特殊的设定，这种情况框架无法支持，直接退出本次循环
if (found == false)
{
continue;
}
//循环页面传过来的子表数据,自动设定添加日期和添加人
foreach (var newitem in list)
{
var subtype = newitem.GetType();
BasePoco ent = newitem as BasePoco;
if (ent.CreateTime == null)
{
ent.CreateTime = DateTime.Now;
}
if (string.IsNullOrEmpty(ent.CreateBy))
{
ent.CreateBy = LoginUserInfo?.ITCode;
}
}
}
}
}
}
#endregion
//添加数据
DC.Set <TModel>().Add(Entity);
//删除不需要的附件
if (DeletedFileIds != null)
{
foreach (var item in DeletedFileIds)
{
FileAttachmentVM ofa = new FileAttachmentVM();
ofa.CopyContext(this);
ofa.SetEntityById(item);
ofa.DoDelete();
}
}
DC.SaveChanges();
}
/// <summary>
/// 上传文件并返回FileAttachmentVM(后台代码使用)
/// </summary>
/// <param name="vm"></param>
/// <param name="FileData"></param>
/// <param name="con"></param>
/// <param name="FileName"></param>
/// <param name="savePlace"></param>
/// <param name="groupName"></param>
/// <returns></returns>
public static FileAttachmentVM GetFileByteForUpload(FileAttachmentVM vm, Stream FileData, Configs con, string FileName = null, SaveFileModeEnum?savePlace = null, string groupName = null)
{
savePlace = savePlace == null ? con.FileUploadOptions.SaveFileMode : savePlace;
var ext = string.Empty;
if (string.IsNullOrEmpty(FileName) == false)
{
var dotPos = FileName.LastIndexOf('.');
ext = FileName.Substring(dotPos + 1);
}
vm.Entity.FileName = FileName;
vm.Entity.FileExt = ext;
if (savePlace == SaveFileModeEnum.Database)
{
using (var dataStream = new MemoryStream())
{
FileData.CopyTo(dataStream);
vm.Entity.FileData = dataStream.ToArray();
}
}
else if (savePlace == SaveFileModeEnum.Local)
{
string pathHeader = con.FileUploadOptions.UploadDir;
if (!Directory.Exists(pathHeader))
{
Directory.CreateDirectory(pathHeader);
}
var fullPath = Path.Combine(con.FileUploadOptions.UploadDir, $"{Guid.NewGuid().ToNoSplitString()}.{vm.Entity.FileExt}");
using (var fileStream = File.Create(fullPath))
{
FileData.CopyTo(fileStream);
vm.Entity.Path = fullPath;
vm.Entity.FileData = null;
}
}
else if (savePlace == SaveFileModeEnum.DFS)
{
using (var dataStream = new MemoryStream())
{
StorageNode node = null;
FileData.CopyTo(dataStream);
if (!string.IsNullOrEmpty(groupName))
{
node = FDFSClient.GetStorageNode(groupName);
}
else
{
node = FDFSClient.GetStorageNode();
}
if (node != null)
{
vm.Entity.Path = "/" + FDFSClient.UploadFile(node, dataStream.ToArray(), vm.Entity.FileExt);
vm.Entity.GroupName = node.GroupName;
}
vm.Entity.FileData = null;
}
FileData.Dispose();
}
return(vm);
}
