/// <summary>
/// 根据id删除实体
/// </summary>
/// <typeparam name="TEntity"></typeparam>
/// <typeparam name="T"></typeparam>
/// <param name="id"></param>
public static void DeleteEntry <TEntity, T>(T id) where TEntity : class
{
using (BaseContext _db = new BaseContext())
{
TEntity entity = _db.Set <TEntity>().Find(id);
_db.Set <TEntity>().Attach(entity);
_db.Set <TEntity>().Remove(entity);
_db.SaveChanges();
}
}
public static int UpdateEntryByProperty <T>(this BaseContext _db, T entity, string EntityKey) where T : class
{
DbSet <T> dbSet = _db.Set <T>();
dbSet.Attach(entity);
MemberInfo[] members = entity.GetType().GetMembers();
IEnumerable <MemberInfo> properties = members.Where(m => m.MemberType == MemberTypes.Property && m.Name != EntityKey);
foreach (MemberInfo mInfo in properties)
{
object o = entity.GetType().InvokeMember(mInfo.Name, BindingFlags.GetProperty, null, entity, null);
if (o != null)
{
if (o.GetType().IsPrimitive || o.GetType().IsPublic)
{
try
{
DbEntityEntry entry = _db.Entry <T>(entity);
entry.Property(mInfo.Name).IsModified = true;
}
catch
{
}
}
}
}
return(_db.SaveChanges());
}
/// <summary>
/// 获取单个实体
/// </summary>
/// <typeparam name="TEntity"></typeparam>
/// <typeparam name="T"></typeparam>
/// <param name="id"></param>
/// <returns></returns>
public static TEntity getEntryById <TEntity, T>(T id) where TEntity : class
{
using (BaseContext _db = new BaseContext())
{
return(_db.Set <TEntity>().Find(id));
}
}
public static bool AddModel <TEntity>(List <TEntity> entry) where TEntity : class
{
using (BaseContext _db = new BaseContext())
{
_db.Set <TEntity>().AddRange(entry);
_db.SaveChanges();
return(true);
}
}
public static TEntity AddModel <TEntity>(TEntity entry) where TEntity : class
{
using (BaseContext _db = new BaseContext())
{
_db.Set <TEntity>().Add(entry);
_db.SaveChanges();
return(entry);
}
}
