/// <summary>
/// 新增（未提交保存）
/// 作者：曾璐
/// </summary>
/// <param name="model"></param>
/// <returns></returns>
public virtual XuHos.DAL.EF.DBEntities PreInsert(XuHos.DAL.EF.DBEntities db, params TEntity[] model)
{
if (_PK.Count <= 0)
{
throw new Exception("没有设置主键");
}
if (_PK.Count > 1)
{
throw new Exception("不支持复合主键");
}
Type type = typeof(TEntity);
var prop = type.GetProperty(_PK[0]);
for (int i = 0; i < model.Length; i++)
{
string ID = prop.GetValue(model[i], null) as string;
//设置主键
if (String.IsNullOrWhiteSpace(ID))
{
ID = Guid.NewGuid().ToString("N");
prop.SetValue(model[i], ID);
}
db.Set <TEntity>().Add(model[i]);
}
return(db);
}
/// <summary>
/// 更新（未提交保存）
/// 作者：曾璐
/// </summary>
/// <param name="model"></param>
/// <returns></returns>
public virtual XuHos.DAL.EF.DBEntities PreUpdate(XuHos.DAL.EF.DBEntities db, TEntity model)
{
//if (db.Entry<TEntity>(model).State == EntityState.Detached)
//{
// db.Set<TEntity>().Attach(model);
//}
var entry = db.Entry <TEntity>(model);
if (entry.State != System.Data.Entity.EntityState.Modified)
{
entry.State = System.Data.Entity.EntityState.Modified;
}
return(db);
}
