/// <summary>
/// 添加
/// </summary>
/// <param name="entity">数据实体</param>
/// <returns>实体</returns>
public T InsertReturnEntity <T>(T entity) where T : class
{
using (CommonEntities db = new CommonEntities())
{
db.Entry <T>(entity).State = System.Data.Entity.EntityState.Added;
db.SaveChanges();
return(entity);
}
}
/// <summary>
/// 修改
/// </summary>
/// <param name="entity">实体数据</param>
/// <returns>布尔值（修改结果）</returns>
public bool Update <T>(T entity) where T : class
{
bool result = false;
using (CommonEntities db = new CommonEntities())
{
db.Entry <T>(entity).State = System.Data.Entity.EntityState.Modified;
try
{
db.SaveChanges();
result = true;
}
catch (Exception)
{
result = false;
}
}
return(result);
}
/// <summary>
/// 添加
/// </summary>
/// <param name="entity">数据实体</param>
/// <returns>布尔值</returns>
public bool Insert(T entity)
{
bool result = false;
using (CommonEntities db = new CommonEntities())
{
db.Entry <T>(entity).State = System.Data.Entity.EntityState.Added;
try
{
db.SaveChanges();
result = true;
}
catch (Exception)
{
result = false;
}
return(result);
}
}
/// <summary>
/// 添加集合
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="entity"></param>
/// <returns></returns>
public bool InsertIQueryable <T>(List <T> lstentity) where T : class
{
bool result = false;
using (CommonEntities db = new CommonEntities())
{
foreach (var item in lstentity)
{
db.Entry <T>(item).State = System.Data.Entity.EntityState.Added;
}
try
{
db.SaveChanges();
result = true;
}
catch (Exception)
{
result = false;
}
return(result);
}
}
/// <summary>
/// 删除集合
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="entity"></param>
/// <returns></returns>
public bool DeleteIQueryable(List <T> entity)
{
bool result = false;
using (CommonEntities db = new CommonEntities())
{
foreach (var item in entity)
{
db.Entry <T>(item).State = System.Data.Entity.EntityState.Deleted;
}
try
{
db.SaveChanges();
result = true;
}
catch (Exception)
{
result = false;
}
return(result);
}
}