废弃sqlite代码，备查

using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Reflection;
using TrustDevKit.Accident_WebService;
using TrustDevKit.localhost;
using TrustDevKit.Misc;
using System.Windows;
using System.Data.SQLite;
using System.Data;
using System.Data.Common;
using System.IO;
using System.Configuration;
using System;

namespace TrustDevKit
{
    namespace Accident
    {
        public partial class DataService
        {    
            /// <summary>
            /// 更新本地字典、文书模板库
            /// </summary>
            /// <returns>返回更新表数,失败出错返回-1</returns>
            public static int Upate_Code_TemplateDB()
            {
                int gxs = -1;
                try
                {
                    using (SQLiteConnection connection = new SQLiteConnection(SQLiteConnectionString_Code_TemplateDB))
                    {
                        connection.Open();
                        SQLiteCommand command = new SQLiteCommand(connection);

                        #region 检查更新记录

                        string sql = "create table if not exists Update_Info(gxxm varchar2(64),gxsj date);";
                        command.CommandText = sql;
                        command.ExecuteNonQuery();

                        sql = "select gxsj from Update_Info where gxxm='Code_TemplateDB';";
                        command.CommandText = sql;
                        var result = command.ExecuteScalar();
                        DateTime last_update = new DateTime(); ;
                        if (result == null)
                        {
                            sql = "insert into update_info (gxxm,gxsj) values ('Code_TemplateDB',datetime('2001-01-01'));";
                            command.CommandText = sql;
                            command.ExecuteNonQuery();
                        }
                        else
                        {
                            last_update = (DateTime)result;
                        }
                        gxs++;

                        //查找最近更新的表，以服务器更新时间与config文件记录做对比
                        DataTable table_updateinfo = taps_WebService.Get_UpdateInfo(); //服务器更新信息表
                        bool frm_codetype_updated = (DateTime)table_updateinfo.Select("DM='Frm_Code'")[0]["GXSJ"] > last_update;
                        bool frm_code_updated = (DateTime)table_updateinfo.Select("DM='Taps_CodeType'")[0]["GXSJ"] > last_update;
                        bool taps_codetype_updated = (DateTime)table_updateinfo.Select("DM='Taps_Code'")[0]["GXSJ"] > last_update;
                        bool taps_code_updated = (DateTime)table_updateinfo.Select("DM='Taps_Code'")[0]["GXSJ"] > last_update;
                        bool doctemplatetype_updated = (DateTime)table_updateinfo.Select("DM='Taps_DocTemplateType'")[0]["GXSJ"] > last_update;
                        bool doctemplate_updated = (DateTime)table_updateinfo.Select("DM='Taps_DocTemplate'")[0]["GXSJ"] > last_update;
                        #endregion

                        //开始事务
                        using (DbTransaction transaction = connection.BeginTransaction())
                        {
                            try
                            {
                                #region 更新Frm_CodeType表
                                if (frm_code_updated)
                                {
                                    string drop_From_CodeType = "drop table if exists Frm_codeType;";
                                    string create_Frm_CodeType = " CREATE TABLE  if not exists  FRM_CODETYPE(  xtlb VARCHAR2(2) not null,  dmlb VARCHAR2(6) not null,  lbsm VARCHAR2(256) not null,  dmcd NUMBER(2),  lbsx CHAR(1),"
                                        + "  dmsx NUMBER(4),  bz   VARCHAR2(256),  jznc CHAR(1),  dmlx CHAR(1));";
                                    string create_Frm_CodeType_Idx = "CREATE UNIQUE INDEX  if not exists  Frm_CodeType_Idx on Frm_CodeType (XTLB,DMLB);";
                                    command.CommandText = drop_From_CodeType + create_Frm_CodeType + create_Frm_CodeType_Idx;
                                    command.ExecuteNonQuery();

                                    DataTable frmcodetype = DataService.taps_WebService.Get_CodeTable_by_name("Frm_CodeType");
                                    foreach (var item in frmcodetype.Rows)
                                    {
                                        DataRow dr = item as DataRow;
                                        sql = "INSERT INTO FRM_CODETYPE(xtlb,dmlb,lbsm,dmcd,lbsx,dmsx,bz,jznc,dmlx)values(@xtlb,@dmlb,@lbsm,@dmcd,@lbsx,@dmsx,@bz,@jznc,@dmlx)";

                                        SQLiteParameter[] parameters = new SQLiteParameter[]{ 
                                                 new SQLiteParameter("@xtlb",dr["XTLB"]), 
                                         new SQLiteParameter("@dmlb",dr["DMLB"]), 
                                         new SQLiteParameter("@lbsm",dr["LBSM"]), 
                                         new SQLiteParameter("@dmcd",dr["DMCD"]), 
                                         new SQLiteParameter("@lbsx",dr["LBSX"]), 
                                         new SQLiteParameter("@dmsx",dr["DMSX"]) ,
                                         new SQLiteParameter("@bz",dr["BZ"]), 
                                         new SQLiteParameter("@jznc",dr["JZNC"]), 
                                         new SQLiteParameter("@dmlx",dr["DMLX"]) 
                                         };
                                        command.CommandText = sql;
                                        command.Parameters.AddRange(parameters);
                                        command.ExecuteNonQuery();
                                    }
                                    gxs++;
                                }
                                #endregion

                                #region 更新Frm_Code
                                if (frm_codetype_updated)
                                {
                                    string drop_From_Code = "drop table if exists Frm_code;";
                                    string create_Frm_Code = " CREATE TABLE  if not exists  FRM_CODE(  xtlb  CHAR(2) not null,  dmlb  VARCHAR2(6) not null,  dmz   VARCHAR2(30) not null, "
                                        + "dmsm1 VARCHAR2(256) not null,  dmsm2 VARCHAR2(256),  dmsm3 VARCHAR2(256), dmsm4 VARCHAR2(256),  dmsx  CHAR(1) default 0,  sxh   NUMBER(4),  ywdx  VARCHAR2(128),  zt    CHAR(1) default 1);";
                                    string create_Frm_Code_Idx = "CREATE UNIQUE INDEX  if not exists  Frm_Code_Idx on Frm_Code (XTLB,DMLB,DMZ);";
                                    command.CommandText = drop_From_Code + create_Frm_Code + create_Frm_Code_Idx;
                                    command.ExecuteNonQuery();

                                    DataTable frmcode = DataService.taps_WebService.Get_CodeTable_by_name("Frm_Code");
                                    foreach (var item in frmcode.Rows)
                                    {
                                        DataRow dr = item as DataRow;
                                        sql = "INSERT INTO FRM_CODE(xtlb,dmlb,dmz,dmsm1,dmsm2,dmsm3,dmsm4,dmsx,sxh,ywdx,zt)values(@xtlb,@dmlb,@dmz,@dmsm1,@dmsm2,@dmsm3,@dmsm4,@dmsx,@sxh,@ywdx,@zt)";

                                        SQLiteParameter[] parameters = new SQLiteParameter[]{ 
                                                 new SQLiteParameter("@xtlb",dr["XTLB"]), 
                                         new SQLiteParameter("@dmlb",dr["DMLB"]), 
                                         new SQLiteParameter("@dmz",dr["DMZ"]), 
                                         new SQLiteParameter("@dmsm1",dr["DMSM1"]), 
                                         new SQLiteParameter("@dmsm2",dr["DMSM2"]), 
                                         new SQLiteParameter("@dmsm3",dr["DMSM3"]) ,
                                         new SQLiteParameter("@dmsm4",dr["DMSM4"]), 
                                         new SQLiteParameter("@dmsx",dr["DMSX"]), 
                                         new SQLiteParameter("@sxh",dr["SXH"]), 
                                         new SQLiteParameter("@ywdx",dr["YWDX"]), 
                                         new SQLiteParameter("@zt",dr["ZT"]) 
                                         };
                                        command.CommandText = sql;
                                        command.Parameters.AddRange(parameters);
                                        command.ExecuteNonQuery();
                                    }
                                    gxs++;
                                }
                                #endregion

                                #region 更新Taps_CodeType
                                if (taps_codetype_updated)
                                {
                                    string drop_Taps_CodeType = "drop table if exists Taps_codeType;";
                                    string create_TAPS_CODETYPE = "CREATE TABLE  if not exists  TAPS_CODETYPE(  dmlb VARCHAR2(6) not null,  lbsm VARCHAR2(256) not null,  dmcd NUMBER(2), "
                                        + "lbsx CHAR(1),  dmsx NUMBER(4),  bz   VARCHAR2(256),  jznc CHAR(1),  dmlx CHAR(1));";
                                    string create_Taps_CodeType_Idx = "CREATE UNIQUE INDEX  if not exists  Taps_CodeType_Idx on Taps_CodeType (DMLB);";
                                    command.CommandText = drop_Taps_CodeType + create_TAPS_CODETYPE + create_Taps_CodeType_Idx;
                                    command.ExecuteNonQuery();

                                    DataTable tapscodetype = DataService.taps_WebService.Get_CodeTable_by_name("Taps_CodeType");
                                    foreach (var item in tapscodetype.Rows)
                                    {
                                        DataRow dr = item as DataRow;
                                        sql = "INSERT INTO Taps_CODETYPE(dmlb,lbsm,dmcd,lbsx,dmsx,bz,jznc,dmlx)values(@dmlb,@lbsm,@dmcd,@lbsx,@dmsx,@bz,@jznc,@dmlx)";

                                        SQLiteParameter[] parameters = new SQLiteParameter[]{ 
                                         new SQLiteParameter("@dmlb",dr["DMLB"]), 
                                         new SQLiteParameter("@lbsm",dr["LBSM"]), 
                                         new SQLiteParameter("@dmcd",dr["DMCD"]), 
                                         new SQLiteParameter("@lbsx",dr["LBSX"]), 
                                         new SQLiteParameter("@dmsx",dr["DMSX"]) ,
                                         new SQLiteParameter("@bz",dr["BZ"]), 
                                         new SQLiteParameter("@jznc",dr["JZNC"]), 
                                         new SQLiteParameter("@dmlx",dr["DMLX"]) 
                                         };
                                        command = new SQLiteCommand(connection);
                                        command.CommandText = sql;
                                        command.Parameters.AddRange(parameters);
                                        command.ExecuteNonQuery();
                                    }
                                    gxs++;
                                }
                                #endregion

                                #region 更新Taps_Code
                                if (taps_code_updated)
                                {
                                    string drop_Taps_Code = "drop table if exists Taps_code;";
                                    string create_TAPS_CODE = "CREATE TABLE  if not exists  TAPS_CODE(  dmlb  VARCHAR2(6) not null,  dmz   VARCHAR2(30) not null,  dmsm1 VARCHAR2(256) not null,  dmsm2 VARCHAR2(256),  dmsm3 VARCHAR2(256),"
                                        + "  dmsm4 VARCHAR2(256),  dmsx  CHAR(1) default 0,  sxh   NUMBER(4),  ywdx  VARCHAR2(128),  zt    CHAR(1) default 1);";
                                    string create_Taps_Code_Idx = "CREATE UNIQUE INDEX  if not exists  Taps_Code_Idx on Taps_Code (DMLB,DMZ);";
                                    command.CommandText = drop_Taps_Code + create_TAPS_CODE + create_Taps_Code_Idx;
                                    command.ExecuteNonQuery();

                                    DataTable tapscode = DataService.taps_WebService.Get_CodeTable_by_name("Taps_Code");
                                    foreach (var item in tapscode.Rows)
                                    {
                                        DataRow dr = item as DataRow;
                                        sql = "INSERT INTO Taps_CODE(dmlb,dmz,dmsm1,dmsm2,dmsm3,dmsm4,dmsx,sxh,ywdx,zt)values(@dmlb,@dmz,@dmsm1,@dmsm2,@dmsm3,@dmsm4,@dmsx,@sxh,@ywdx,@zt)";

                                        SQLiteParameter[] parameters = new SQLiteParameter[]{ 
                                         new SQLiteParameter("@dmlb",dr["DMLB"]), 
                                         new SQLiteParameter("@dmz",dr["DMZ"]), 
                                         new SQLiteParameter("@dmsm1",dr["DMSM1"]), 
                                         new SQLiteParameter("@dmsm2",dr["DMSM2"]), 
                                         new SQLiteParameter("@dmsm3",dr["DMSM3"]) ,
                                         new SQLiteParameter("@dmsm4",dr["DMSM4"]), 
                                         new SQLiteParameter("@dmsx",dr["DMSX"]), 
                                         new SQLiteParameter("@sxh",dr["SXH"]), 
                                         new SQLiteParameter("@ywdx",dr["YWDX"]), 
                                         new SQLiteParameter("@zt",dr["ZT"]) 
                                         };
                                        command = new SQLiteCommand(connection);
                                        command.CommandText = sql;
                                        command.Parameters.AddRange(parameters);
                                        command.ExecuteNonQuery();
                                    }
                                    gxs++;
                                }
                                #endregion

                                #region 更新DocTemplateType
                                if (doctemplatetype_updated)
                                {
                                    string drop_DocTemplateType = "drop table if exists DocTemplateType;";
                                    string create_DocTemplateType = " CREATE TABLE  if not exists  DocTemplateType(XTLB varchar(2),MBLB varchar(6),LBSM varchar(256),MBSX int(4),BZ varchar(256));";
                                    string create_DocTemplateType_Idx = "CREATE UNIQUE INDEX  if not exists  DocTemplateType_Idx on DocTemplateType (XTLB,MBLB);";
                                    command.CommandText = drop_DocTemplateType + create_DocTemplateType + create_DocTemplateType_Idx;
                                    command.ExecuteNonQuery();
                                    DataTable doctemplatetype = DataService.taps_WebService.Get_CodeTable_by_name("Taps_DocTemplateType");
                                    foreach (var item in doctemplatetype.Rows)
                                    {
                                        DataRow dr = item as DataRow;
                                        sql = "INSERT INTO DocTemplateType(xtlb,mblb,lbsm,mbsx,bz)values(@xtlb,@mblb,@lbsm,@mbsx,@bz)";

                                        SQLiteParameter[] parameters = new SQLiteParameter[]{ 
                                         new SQLiteParameter("@xtlb",dr["XTLB"]), 
                                         new SQLiteParameter("@mblb",dr["MBLB"]), 
                                         new SQLiteParameter("@lbsm",dr["LBSM"]), 
                                         new SQLiteParameter("@mbsx",dr["MBSX"]), 
                                         new SQLiteParameter("@bz",dr["BZ"]) 
                                         };
                                        command = new SQLiteCommand(connection);
                                        command.CommandText = sql;
                                        command.Parameters.AddRange(parameters);
                                        command.ExecuteNonQuery();
                                    }
                                    gxs++;
                                }
                                #endregion

                                #region 更新DocTemplate
                                if (doctemplate_updated)
                                {
                                    string drop_DocTemplate = "drop table if exists DocTemplate;";
                                    string create_DocTemplate = "CREATE TABLE  if not exists  DocTemplate( xtlb  CHAR(2) not null,  mblb  VARCHAR2(6) not null,  mbdm   VARCHAR2(30) not null, "
                                        + "mbmc VARCHAR2(256) not null,  sxh   NUMBER(4),  zt    CHAR(1) default 1,  gxsj datatime,  mb    Blob);";
                                    string create_DocTemplate_Idx = "CREATE UNIQUE INDEX  if not exists  DocTemplate_Idx on DocTemplate (XTLB,MBLB,MBDM);";
                                    command.CommandText = drop_DocTemplate + create_DocTemplate + create_DocTemplate_Idx;
                                    command.ExecuteNonQuery();
                                    DataTable doctemplate = DataService.taps_WebService.Get_CodeTable_by_name("Taps_DocTemplate");
                                    foreach (var item in doctemplate.Rows)
                                    {
                                        DataRow dr = item as DataRow;
                                        string mb_file = dr["XTLB"] + "_" + dr["MBLB"] + "_" + dr["MBDM"];
                                        byte[] mb_buffer = DataService.taps_WebService.Get_DocTemplate(mb_file);

                                        sql = "INSERT INTO DocTemplate(xtlb,mblb,mbdm,mbmc,sxh,zt,gxsj,mb)values(@xtlb,@mblb,@mbdm,@mbmc,@sxh,@zt,@gxsj,@mb)";

                                        SQLiteParameter[] parameters = new SQLiteParameter[]{ 
                                         new SQLiteParameter("@xtlb",dr["XTLB"]), 
                                         new SQLiteParameter("@mblb",dr["MBLB"]), 
                                         new SQLiteParameter("@mbdm",dr["MBDM"]), 
                                         new SQLiteParameter("@mbmc",dr["MBMC"]), 
                                         new SQLiteParameter("@sxh",dr["SXH"]), 
                                         new SQLiteParameter("@zt",dr["ZT"]), 
                                         new SQLiteParameter("@gxsj",dr["GXSJ"]) ,
                                         new SQLiteParameter("@mb",mb_buffer) };
                                        command.CommandText = sql;
                                        command.Parameters.AddRange(parameters);
                                        command.ExecuteNonQuery();
                                    }
                                    gxs++;
                                }
                                #endregion

                                #region 记录本次更新时间
                                if (gxs > 0)
                                {
                                    sql = "update update_info set gxsj=datetime('" + DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + "');";
                                    command.CommandText = sql;
                                    command.ExecuteNonQuery();
                                }
                                #endregion

                                transaction.Commit();  //提交事务，写入数据文件

                            }
                            catch (Exception)
                            {
                                transaction.Rollback(); //出错回滚
                                return -1;
                            }
                        }
                        connection.Close();
                    }
                    return gxs;
                }
                catch
                {
                    return -1;
                }
            }

        }
    }
}