public JsonResult CreateTable()
        {
            db = new RZBDbContext();
            var query = (from c in db.Clients
                        select new {
                            pre = c.Prefix
                        }).ToList();
            foreach (var d in query)
            {
                //遍历循环client 生成表
                //创建数据表
           var file = Server.MapPath("~/App_Data/create_log.sql");
                var sql = System.IO.File.ReadAllText(file);
                sql = sql.Replace("{t}", d.pre);
                db.Database.ExecuteSqlCommand(sql);
                _log.Info("建立表："+ d.pre+"_Log");
                //Thread.Sleep(1000);
            }
            ResultModel model = new ResultModel();
            model.StrMessage = "Welcome";
            return Json(model, JsonRequestBehavior.AllowGet);
        }

CREATE TABLE [{t}_QueryLog](
    [ID] [uniqueidentifier] NOT NULL,
    [LoginUserID] [uniqueidentifier] NOT NULL,
    [IdentityID] [nvarchar](50) NOT NULL,
    [IdentityName] [nvarchar](200) NOT NULL,
    [QueryTime] [datetime] NOT NULL,
    [IsHistory] [bit] NOT NULL,
    [IsCharge] [bit] NOT NULL,
    [IsSimpleCheck] [bit] NOT NULL,
    [ext1] [nvarchar](50) NULL,
    [ext2] [nvarchar](50) NULL,
    [CreateUser] [nvarchar](50) NULL,
    [CreateTime] [datetime] NULL,
    [UpdateUser] [nvarchar](50) NULL,
    [UpdateTime] [datetime] NULL
) ON [PRIMARY]

;


/****** Object:  Index [IX_{t}_QueryLog_IdentityID]    Script Date: 03/06/2014 11:07:13 ******/
CREATE NONCLUSTERED INDEX [IX_{t}_QueryLog_IdentityID] ON [dbo].[{t}_QueryLog] 
(
    [IdentityID] ASC
)WITH (PAD_INDEX  = OFF, STATISTICS_NORECOMPUTE  = OFF, SORT_IN_TEMPDB = OFF, IGNORE_DUP_KEY = OFF, DROP_EXISTING = OFF, ONLINE = OFF, ALLOW_ROW_LOCKS  = ON, ALLOW_PAGE_LOCKS  = ON) ON [PRIMARY]
;

/****** Object:  Index [IX_{t}_QueryLog_IdentityName]    Script Date: 03/06/2014 11:07:13 ******/
CREATE NONCLUSTERED INDEX [IX_{t}_QueryLog_IdentityName] ON [dbo].[{t}_QueryLog] 
(
    [IdentityName] ASC
)WITH (PAD_INDEX  = OFF, STATISTICS_NORECOMPUTE  = OFF, SORT_IN_TEMPDB = OFF, IGNORE_DUP_KEY = OFF, DROP_EXISTING = OFF, ONLINE = OFF, ALLOW_ROW_LOCKS  = ON, ALLOW_PAGE_LOCKS  = ON) ON [PRIMARY]
;


/****** Object:  Index [IX_{t}_QueryLog_QueryTime]    Script Date: 03/06/2014 11:07:13 ******/
CREATE NONCLUSTERED INDEX [IX_{t}_QueryLog_QueryTime] ON [dbo].[{t}_QueryLog] 
(
    [QueryTime] ASC
)WITH (PAD_INDEX  = OFF, STATISTICS_NORECOMPUTE  = OFF, SORT_IN_TEMPDB = OFF, IGNORE_DUP_KEY = OFF, DROP_EXISTING = OFF, ONLINE = OFF, ALLOW_ROW_LOCKS  = ON, ALLOW_PAGE_LOCKS  = ON) ON [PRIMARY]
;

ALTER TABLE [dbo].[{t}_QueryLog] ADD  CONSTRAINT [DF_{t}_QueryLog_ID]  DEFAULT (newid()) FOR [ID]
;

ALTER TABLE [dbo].[{t}_QueryLog] ADD  CONSTRAINT [DF_{t}_QueryLog_QueryTime]  DEFAULT (getdate()) FOR [QueryTime]
;

ALTER TABLE [dbo].[{t}_QueryLog] ADD  CONSTRAINT [DF_{t}_QueryLog_IsHistory]  DEFAULT ((0)) FOR [IsHistory]
;

ALTER TABLE [dbo].[{t}_QueryLog] ADD  CONSTRAINT [DF_{t}_QueryLog_IsCharge]  DEFAULT ((1)) FOR [IsCharge]
;

ALTER TABLE [dbo].[{t}_QueryLog] ADD  CONSTRAINT [DF_{t}_QueryLog_IsSimpleCheck]  DEFAULT ((1)) FOR [IsSimpleCheck]
;

ALTER TABLE [dbo].[{t}_QueryLog] ADD  CONSTRAINT [DF_{t}_QueryLog_CreateTime]  DEFAULT (getdate()) FOR [CreateTime]
;

ALTER TABLE [dbo].[{t}_QueryLog] ADD  CONSTRAINT [DF_{t}_QueryLog_UpdateTime]  DEFAULT (getdate()) FOR [UpdateTime]
;