/// <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()
{
//如果没有赋值，则调用赋值函数
if (isEntityListSet == false)
{
SetEntityList();
}
//如果在复制过程中已经有错误，则直接输出错误
if (ErrorListVM.EntityList.Count > 0)
{
DoReInit();
return(false);
}
//进行Model层面的验证
//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();
DuplicatedInfo <P> finalInfo = new DuplicatedInfo <P>
{
Groups = new List <DuplicatedGroup <P> >()
};
if (dinfo == null)
{
dinfo = new DuplicatedInfo <P>();
}
if (cinfo == null)
{
cinfo = new DuplicatedInfo <P>();
}
if (dinfo.Groups != null)
{
foreach (var di in dinfo.Groups)
{
bool found = false;
if (cinfo.Groups != null)
{
foreach (var ci in cinfo.Groups)
{
if (di.ToString() == ci.ToString())
{
found = true;
break;
}
}
}
if (found == false)
{
finalInfo.Groups.Add(di);
}
}
}
//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);
}
//如果上述验证已经有错误，则直接输出错误
if (ErrorListVM.EntityList.Count > 0)
{
(vm as BaseVM)?.MSD.Clear();
DoReInit();
return(false);
}
//循环数据列表
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);
//如果有重复数据，则进行修改
if (exist != null)
{
//如果是普通字段，则直接赋值
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).GetProperties().Where(x => x.Name == excelProp.FieldName).FirstOrDefault();
if (proToSet != null)
{
var val = proToSet.GetValue(item);
PropertyHelper.SetPropertyValue(exist, excelProp.FieldName, val, stringBasedValue: true);
}
}
//更新修改时间字段
if (tempPros.Where(x => x.Name == "UpdateTime").SingleOrDefault() == null)
{
if (typeof(BasePoco).IsAssignableFrom(exist.GetType()))
{
(exist as BasePoco).UpdateTime = DateTime.Now;
}
}
//更新修改人字段
if (tempPros.Where(x => x.Name == "UpdateBy").SingleOrDefault() == null)
{
if (typeof(BasePoco).IsAssignableFrom(exist.GetType()))
{
(exist as BasePoco).UpdateBy = LoginUserInfo.ITCode;
}
}
exist.ExcelIndex = item.ExcelIndex;
//更新字段
DC.UpdateEntity(exist);
}
//如果没有重复数据，则填加
else
{
if (typeof(BasePoco).IsAssignableFrom(item.GetType()))
{
(item as BasePoco).CreateTime = DateTime.Now;
(item as BasePoco).CreateBy = LoginUserInfo?.ITCode;
}
if (typeof(PersistPoco).IsAssignableFrom(item.GetType()))
{
(item as PersistPoco).IsValid = true;
}
DC.Set <P>().Add(item);
}
}
//如果有错误，则返回
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();
}
catch (Exception e)
{
SetExceptionMessage(e, null);
DoReInit();
return(false);
}
}
return(true);
}
/// <summary>
/// 批量修改，默认对Ids中包含的数据进行修改，子类如果有特殊判断应重载本函数
/// </summary>
/// <returns>true代表成功，false代表失败</returns>
public virtual bool DoBatchEdit()
{
//获取批量修改VM的所有属性
var pros = LinkedVM.GetType().GetProperties(System.Reflection.BindingFlags.Public | System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.DeclaredOnly);
bool rv = true;
List <Guid> idsData = new List <Guid>(Ids);
//找到对应的BaseCRUDVM，并初始化
var vmtype = this.GetType().Assembly.GetExportedTypes().Where(x => x.IsSubclassOf(typeof(BaseCRUDVM <TModel>))).FirstOrDefault();
IBaseCRUDVM <TModel> vm = null;
if (vmtype != null)
{
vm = vmtype.GetConstructor(System.Type.EmptyTypes).Invoke(null) as IBaseCRUDVM <TModel>;
vm.CopyContext(this);
}
//循环所有数据
for (int i = 0; i < idsData.Count; i++)
{
try
{
//如果找不到对应数据，则输出错误
TModel entity = null;
entity = DC.Set <TModel>().Find(idsData[i]);
if (vm != null)
{
vm.SetEntity(entity);
}
if (entity == null)
{
ErrorMessage.Add(idsData[i], "数据不存在");
rv = false;
break;
}
//如果能找到，则循环LinkedVM中的属性，给entity中同名属性赋值
foreach (var pro in pros)
{
var proToSet = entity.GetType().GetProperty(pro.Name);
var val = FC.ContainsKey("LinkedVM." + pro.Name) ? FC["LinkedVM." + pro.Name] : null;
if (proToSet != null && val != null)
{
var hasvalue = false;
if (val is StringValues sv && StringValues.IsNullOrEmpty(sv) == false)
{
hasvalue = true;
}
if (hasvalue)
{
proToSet.SetValue(entity, pro.GetValue(LinkedVM));
}
}
}
//如果有对应的BaseCRUDVM则使用其进行数据验证
if (vm != null)
{
vm.Validate();
var errors = vm.MSD;
if (errors != null && errors.Count > 0)
{
var error = "";
foreach (var key in errors.Keys)
{
if (errors[key].Count > 0)
{
error += errors[key].Select(x => x.ErrorMessage).ToSpratedString();
}
}
if (error != "")
{
ErrorMessage.Add(idsData[i], error);
rv = false;
break;
}
}
}
if (typeof(TModel).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;
}
}
DC.UpdateEntity(entity);
}
catch (Exception e)
{
SetExceptionMessage(e, idsData[i]);
rv = false;
}
}
//进行数据库的修改操作
if (rv == true)
{
try
{
DC.SaveChanges();
}
catch (Exception e)
{
SetExceptionMessage(e, null);
rv = false;
}
}
//如果有错误，输出错误信息
if (rv == false)
{
if (ErrorMessage.Count > 0)
{
foreach (var id in idsData)
{
if (!ErrorMessage.ContainsKey(id))
{
ErrorMessage.Add(id, "已回滚");
}
}
}
ListVM.DoSearch();
foreach (var item in ListVM.GetEntityList())
{
item.BatchError = ErrorMessage.Where(x => x.Key == item.ID).Select(x => x.Value).FirstOrDefault();
}
}
return(rv);
}
