public virtual T FindEntityByIdToDB(Guid Id, E_DbClassify dbClassify = E_DbClassify.Write, bool includDelete = false)
{
WisdomScenicDbContext _db = GetDbContext(dbClassify);
T result = _db.Set <T>().AsNoTracking().FirstOrDefault(it => it.Id == Id && (!includDelete ? it.IsDelete == false : true));
return(result);
}
//批量逻辑删除
public virtual int LogicDeleteBy(Expression <Func <T, bool> > whereLambda, E_DbClassify dbClassify = E_DbClassify.Write, string businessName = "", bool logChangesDuringSave = true, string moduleKey = null)
{
WisdomScenicDbContext _db = GetDbContext(dbClassify);
var entitiesToDelete = _db.Set <T>().Where(whereLambda);
_db.LogChangesDuringSave = logChangesDuringSave;
_db.BusinessName = businessName;
_db.ModuleKey = moduleKey ?? Guid.Empty.ToString();
DateTime dt = DateTime.Now;
int n = entitiesToDelete.Update(t => new T {
IsDelete = true, DeleteTime = dt
});
foreach (var item in entitiesToDelete)
{
#region 初始化值
//item.DeleteTime = DateTime.Now;
//item.IsDelete = true;
#endregion
if (AllowCache(className))
{
RedisHelper.Remove(className + item.Id.ToString());
}
}
return(n);
//return _db.SaveChanges();
}
//查询
public virtual IQueryable <T> LoadEntities(Expression <Func <T, bool> > whereLambda, E_DbClassify dbClassify = E_DbClassify.Write)
{
WisdomScenicDbContext _db = GetDbContext(dbClassify);
IQueryable <T> result = _db.Set <T>().AsNoTracking().Where(whereLambda);
return(result);
}
/// <summary>
/// 分页查询
/// </summary>
/// <typeparam name="S"></typeparam>
/// <param name="wherelambda"></param>
/// <param name="orderBy"></param>
/// <param name="pageSize"></param>
/// <param name="pageIndex"></param>
/// <param name="totalCount"></param>
/// <param name="isASC"></param>
/// <returns></returns>
public virtual IQueryable <T> LoadPageEntities <S>(
Expression <Func <T, bool> > whereLambda,
Expression <Func <T, S> > orderBy,
int pageSize,
int pageIndex,
out int totalCount,
bool isASC,
E_DbClassify dbClassify = E_DbClassify.Write
)
{
WisdomScenicDbContext _db = GetDbContext(dbClassify);
IQueryable <T> _tIQueryable = _db.Set <T>().AsNoTracking().Where(whereLambda);
totalCount = _tIQueryable.Count();
if (isASC)
{
_tIQueryable = _tIQueryable.OrderBy(orderBy);
}
else
{
_tIQueryable = _tIQueryable.OrderByDescending(orderBy);
}
_tIQueryable = _tIQueryable.Skip((pageIndex - 1) * pageSize).Take(pageSize);
return(_tIQueryable);
}
//逻辑删除
public virtual int LogicDeleteEntity(T entity, E_DbClassify dbClassify = E_DbClassify.Write, string businessName = "", bool logChangesDuringSave = true, string moduleKey = null)
{
WisdomScenicDbContext _db = GetDbContext(dbClassify);
int result = 0;
_db.LogChangesDuringSave = logChangesDuringSave;
_db.BusinessName = businessName;
var model = _db.Set <T>().FirstOrDefault(it => it.Id == entity.Id);
#region 初始化值
model.DeleteTime = DateTime.Now;
model.IsDelete = true;
#endregion
_db.ModuleKey = moduleKey ?? Guid.Empty.ToString();
result = _db.SaveChanges();
if (result > 0)
{
result++;
if (AllowCache(className))
{
RedisHelper.Remove(className + entity.Id.ToString());
}
}
return(result);
}
protected WisdomScenicDbContext GetDbContext(E_DbClassify dbClassify = E_DbClassify.Write)
{
IDbContextFactory dbContextFactory = DIContainer.Resolve <IDbContextFactory>();
dbContextFactory.DbClassify = dbClassify;
WisdomScenicDbContext _db = dbContextFactory.GetCurrentThreadInstance();
return(_db);
}
protected void Application_Start()
{
log4net.Config.XmlConfigurator.Configure(new System.IO.FileInfo(Server.MapPath("~/Configs/Log4net.config")));
AutofacContainerBuilder.BuildContainer();
using (var dbcontext = new WisdomScenicDbContext("WisdomScenicDbContextWrite"))
{
var objectContext = ((IObjectContextAdapter)dbcontext).ObjectContext;
var mappingCollection = (StorageMappingItemCollection)objectContext.MetadataWorkspace.GetItemCollection(DataSpace.CSSpace);
mappingCollection.GenerateViews(new List <EdmSchemaError>());
}
GlobalConfiguration.Configure(WebApiConfig.Register);
}
/// <summary>
/// 页面实体
/// </summary>
/// <param name="Id"></param>
/// <param name="whereLambda"></param>
/// <param name="includDelete"></param>
/// <returns>第一个为上一个 第二个为当前 第三个为下一个 为这置顶 置尾</returns>
public virtual IList <T> FindPrevNextById(Guid Id, Expression <Func <T, bool> > whereLambda, E_DbClassify dbClassify = E_DbClassify.Write, bool includDelete = false)
{
WisdomScenicDbContext _db = GetDbContext(dbClassify);
IList <T> result = new List <T>();
T current = FindEntityById(Id, dbClassify, includDelete);
var data = _db.Set <T>().AsNoTracking();
//上一个
T prev = data.OrderBy(it => it.CreatorTime).Where(it => it.CreatorTime > current.CreatorTime && (!includDelete ? it.IsDelete == false : true)).Where(whereLambda).FirstOrDefault();
//下一个
T next = data.OrderByDescending(it => it.CreatorTime).Where(it => it.CreatorTime < current.CreatorTime && (!includDelete ? it.IsDelete == false : true)).Where(whereLambda).FirstOrDefault();
result.Add(prev);
result.Add(current);
result.Add(next);
return(result);
}
public virtual T FindEntityById(
Guid Id,
E_DbClassify dbClassify = E_DbClassify.Write,
bool includDelete = false
)
{
WisdomScenicDbContext _db = GetDbContext(dbClassify);
T result = RedisHelper.Get <T>(className + Id.ToString());
if (result == null)
{
result = _db.Set <T>().AsNoTracking().FirstOrDefault(it => it.Id == Id && (!includDelete ? it.IsDelete == false : true));
if (result != null && AllowCache(className))
{
RedisHelper.Set(className + Id.ToString(), result);
}
}
return(result);
}
public WisdomScenicDbContext GetCurrentThreadInstance()
{
string connectionName = "WisdomScenicDbContextWrite";
if (DbClassify.Equals(E_DbClassify.Read))
{
connectionName = "WisdomScenicDbContextRead";
}
//ECardPassDbContext dbContext = new ECardPassDbContext(connectionName); ;
WisdomScenicDbContext dbContext = CallContext.GetData(connectionName) as WisdomScenicDbContext;
if (dbContext == null) //线程在内存中没有此上下文
{
//如果不存在上下文 创建一个(自定义)EF上下文 并且放在数据内存中去
dbContext = new WisdomScenicDbContext(connectionName);
CallContext.SetData(connectionName, dbContext);
}
return(dbContext);
}
public virtual IQueryable <T> LoadPageEntitiesOrderByField(
Expression <Func <T, bool> > whereLambda,
string field,
int pageSize,
int pageIndex,
out int totalCount,
bool isASC,
E_DbClassify dbClassify = E_DbClassify.Write
)
{
field = field.IsEmpty() ? "Unix" : field;
WisdomScenicDbContext _db = GetDbContext(dbClassify);
IQueryable <T> _tIQueryable = _db.Set <T>().AsNoTracking().Where(whereLambda);
totalCount = _tIQueryable.Count();
_tIQueryable = ExtLinq.ApplyOrder(_tIQueryable, field, isASC);
_tIQueryable = _tIQueryable.Skip((pageIndex - 1) * pageSize).Take(pageSize);
return(_tIQueryable);
}
//批量物理删除
public virtual int PhysicsDeleteBy(Expression <Func <T, bool> > whereLambda, E_DbClassify dbClassify = E_DbClassify.Write, string businessName = "", bool logChangesDuringSave = true, string moduleKey = null)
{
WisdomScenicDbContext _db = GetDbContext(dbClassify);
var entitiesToDelete = _db.Set <T>().Where(whereLambda);
_db.LogChangesDuringSave = logChangesDuringSave;
_db.BusinessName = businessName;
_db.ModuleKey = moduleKey ?? Guid.Empty.ToString();
int n = entitiesToDelete.Delete();
foreach (var item in entitiesToDelete)
{
//_db.Entry(item).State = EntityState.Deleted;
if (AllowCache(className))
{
RedisHelper.Remove(className + item.Id.ToString());
}
}
return(n);
//return _db.SaveChanges();
}
//物理删除
public virtual int PhysicsDeleteEntity(T entity, E_DbClassify dbClassify = E_DbClassify.Write, string businessName = "", bool logChangesDuringSave = true, string moduleKey = null)
{
WisdomScenicDbContext _db = GetDbContext(dbClassify);
int result = 0;
_db.LogChangesDuringSave = logChangesDuringSave;
_db.BusinessName = businessName;
_db.Set <T>().Attach(entity);
_db.Entry(entity).State = EntityState.Deleted;
_db.ModuleKey = moduleKey ?? Guid.Empty.ToString();
result = _db.SaveChanges();
if (result > 0)
{
result++;
if (AllowCache(className))
{
RedisHelper.Remove(className + entity.Id.ToString());
}
}
return(result);
}
/// <summary>
/// 批量插入 使用事务 _dbContextFactory.GetCurrentThreadInstance().Database.BeginTransaction()
/// </summary>
/// <param name="entities"></param>
/// <param name="transaction"></param>
/// <returns></returns>
public virtual int BulkInsert(IList <T> entities, IDbTransaction transaction)
{
WisdomScenicDbContext _db = GetDbContext(E_DbClassify.Write);
int result = 0;
for (int i = 0; i < entities.Count(); i++)
{
#region 初始化值
entities[i].CreatorTime = DateTime.Now;
entities[i].Unix = DateTime.Now.ConvertDateTimeInt();
entities[i].IsDelete = false;
entities[i].LastModifyTime = DateTime.Now;
entities[i].LastModifyUserId = Guid.Empty;
entities[i].DeleteTime = DateTime.Now;
entities[i].DeleteUserId = Guid.Empty;
#endregion
}
_db.BulkInsert <T>(entities, transaction);
result += _db.SaveChanges();
return(result);
}
//添加
public virtual int AddEntity(
T entity,
E_DbClassify dbClassify = E_DbClassify.Write,
string businessName = "",
bool logChangesDuringSave = true,
string moduleKey = null
)
{
WisdomScenicDbContext _db = GetDbContext(dbClassify);
int result = 0;
#region 初始化值
if (entity.CreatorTime.Equals(DateTime.MinValue))
{
entity.CreatorTime = DateTime.Now;
}
entity.Unix = DateTime.Now.ConvertDateTimeInt();
//entity.IsDelete = false;
entity.LastModifyTime = DateTime.Now;
entity.LastModifyUserId = Guid.Empty;
entity.DeleteTime = DateTime.MaxValue;
entity.DeleteUserId = Guid.Empty;
#endregion
_db.Set <T>().Attach(entity);
_db.ModuleKey = moduleKey ?? Guid.Empty.ToString();
_db.Entry(entity).State = EntityState.Added;
_db.LogChangesDuringSave = logChangesDuringSave;
_db.BusinessName = businessName;
result = _db.SaveChanges();
if (result > 0 && AllowCache(className))
{
RedisHelper.Set(className + entity.Id.ToString(), entity);
}
return(result);
}
//批量更新 每10条记录更新一次
public virtual int UpdateEntities(IList <T> entities, E_DbClassify dbClassify = E_DbClassify.Write, string businessName = "", bool logChangesDuringSave = true, string moduleKey = null)
{
WisdomScenicDbContext _db = GetDbContext(dbClassify);
int result = 0;
_db.LogChangesDuringSave = logChangesDuringSave;
_db.BusinessName = businessName;
_db.ModuleKey = moduleKey ?? Guid.Empty.ToString();
for (int i = 0; i < entities.Count(); i++)
{
if (entities[i] == null)
{
continue;
}
_db.Entry(entities[i]).State = EntityState.Modified;
//_db.Set<T>().Attach(entities[i]);
if (AllowCache(className))
{
RedisHelper.Set(className + entities[i].Id.ToString(), entities[i]);
}
}
result += _db.SaveChanges();
return(result);
}
//更新
public virtual int UpdateEntity(T entity, E_DbClassify dbClassify = E_DbClassify.Write, string businessName = "", bool logChangesDuringSave = true, string moduleKey = null)
{
WisdomScenicDbContext _db = GetDbContext(dbClassify);
if (entity != null)
{
_db.LogChangesDuringSave = logChangesDuringSave;
_db.BusinessName = businessName;
#region 初始化值
entity.LastModifyTime = DateTime.Now;
#endregion
RemoveHoldingEntityInContext(entity);
_db.Set <T>().Attach(entity);
_db.ModuleKey = moduleKey ?? Guid.Empty.ToString();
_db.Entry(entity).State = EntityState.Modified;
if (AllowCache(className))
{
RedisHelper.Set(className + entity.Id.ToString(), entity);
}
}
return(_db.SaveChanges());
}
/// <summary>
/// 批量添加 每10条记录提交一次
/// </summary>
/// <param name="entities"></param>
/// <returns></returns>
public virtual int AddEntities(IList <T> entities, E_DbClassify dbClassify = E_DbClassify.Write, string businessName = "", bool logChangesDuringSave = true, string moduleKey = null)
{
WisdomScenicDbContext _db = GetDbContext(dbClassify);
int result = 0;
_db.LogChangesDuringSave = logChangesDuringSave;
_db.BusinessName = businessName;
_db.ModuleKey = moduleKey ?? Guid.Empty.ToString();
for (int i = 0; i < entities.Count(); i++)
{
#region 初始化值
entities[i].CreatorTime = DateTime.Now;
entities[i].Unix = DateTime.Now.ConvertDateTimeInt();
entities[i].IsDelete = false;
entities[i].LastModifyTime = DateTime.Now;
entities[i].LastModifyUserId = Guid.Empty;
entities[i].DeleteTime = DateTime.MaxValue;
entities[i].DeleteUserId = Guid.Empty;
#endregion
}
_db.Set <T>().AddRange(entities);
result += _db.SaveChanges();
return(result);
}
//查询总数量
public virtual int Count(Expression <Func <T, bool> > predicate, E_DbClassify dbClassify = E_DbClassify.Write)
{
WisdomScenicDbContext _db = GetDbContext(dbClassify);
return(_db.Set <T>().AsNoTracking().Where(predicate).Count());
}
public virtual List <TResult> SqlQuery <TResult>(string sql, E_DbClassify dbClassify = E_DbClassify.Write, params SqlParameter[] paras)
{
WisdomScenicDbContext _db = GetDbContext(dbClassify);
return(_db.Database.SqlQuery <TResult>(sql, paras).ToList());
}
/// <summary>
/// 执行存储过程或sql
/// </summary>
/// <param name="sql"></param>
/// <param name="paras"></param>
/// <returns></returns>
public virtual int ExecSql(string sql, E_DbClassify dbClassify = E_DbClassify.Write, params SqlParameter[] paras)
{
WisdomScenicDbContext _db = GetDbContext(dbClassify);
return(_db.Database.ExecuteSqlCommand(sql, paras));
}
public virtual IQueryable <T> QuerySql(string sql, E_DbClassify dbClassify = E_DbClassify.Write, params SqlParameter[] paras)
{
WisdomScenicDbContext _db = GetDbContext(dbClassify);
return(_db.Database.SqlQuery <T>(sql, paras).AsQueryable());
}
