Hotel/Common/DbUtils.cs

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using System;
using System.Collections.Generic;
using System.Data;
using System.Data.SqlClient;
using System.Linq;
using System.Text;
using Omu.ValueInjecter;
using System.Configuration;
using Common.Data.SqlServer;
using Common.Data;
using Newtonsoft.Json.Linq;
using Newtonsoft.Json;
using System.Transactions;
using System.Reflection;



namespace Common
{
   public static class DbUtils
    {
        static string cs = SqlEasy.connString; //資料庫連接字串
   
  

        public static IEnumerable<T> GetWhere<T>(object where) where T : new()
        {
            using (var conn = new SqlConnection(cs))
            {
                using (var cmd = conn.CreateCommand())
                {
                    cmd.CommandType = CommandType.Text;

                    cmd.CommandText = "select * from " + TableConvention.Resolve(typeof(T)) + " where "
                        .InjectFrom(new FieldsBy()
                        .SetFormat("{0}=@{0}")
                        .SetNullFormat("{0} is null")
                        .SetGlue("and"),
                        where);
                    cmd.InjectFrom<SetParamsValues>(where);
                    conn.Open();
                    
                    using (var dr = cmd.ExecuteReader())
                    {
                        while (dr.Read())
                        {
                            var o = new T();
                            o.InjectFrom<ReaderInjection>(dr);
                            yield return o;
                        }
                    }
                }
            }
        }

        public static int CountWhere<T>(object where) where T : new()
        {
            using (var conn = new SqlConnection(cs))
            {
                using (var cmd = conn.CreateCommand())