/// <summary>
/// 自定义删除扩展
/// </summary>
/// <typeparam name="TEntity"></typeparam>
/// <param name="context"></param>
/// <param name="predicate">删除条件</param>
/// <returns></returns>
public static bool MangoRemove <TEntity>(this DbContext context, Expression <Func <TEntity, bool> > predicate) where TEntity : class, new()
{
TSqlAssembledResult result = TSqlAssembled.Delete <TEntity>(predicate);
context.Database.ExecuteSqlRaw(result.SqlStr);
return(context.SaveChanges() > 0 ? true : false);
}
/// <summary>
/// 自定义更新扩展
/// </summary>
/// <typeparam name="TEntity"></typeparam>
/// <param name="context"></param>
/// <param name="entity">更新实体</param>
/// <param name="predicate">更新条件</param>
/// <returns></returns>
public static bool MangoUpdate <TEntity>(this DbContext context, TEntity entity, Expression <Func <TEntity, bool> > predicate) where TEntity : class, new()
{
TSqlAssembledResult result = TSqlAssembled.Update <TEntity>(entity, predicate);
context.Database.ExecuteSqlRaw(result.SqlStr, result.SqlParameters);
return(context.SaveChanges() > 0 ? true : false);
}
/// <summary>
/// 自定义更新扩展
/// </summary>
/// <typeparam name="TEntity"></typeparam>
/// <param name="context"></param>
/// <param name="fields">更新字段</param>
/// <param name="predicate">更新条件</param>
/// <returns></returns>
public static int MangoUpdate <TEntity>(this DbContext context, Expression <Func <TEntity, bool> > fields, Expression <Func <TEntity, bool> > predicate) where TEntity : class, new()
{
TSqlAssembledResult result = TSqlAssembled.Update <TEntity>(fields, predicate);
return(context.Database.ExecuteSqlRaw(result.SqlStr));
}