// All Rights Reserved , Copyright (C) 2011 , Hairihan TECH, Ltd. 
//--------------------------------------------------------------------

using System.Data;

namespace DotNet.Example
{
    using DotNet.BaseManager;
    using DotNet.DbUtilities;

public class ImportExportData
    {
        /// <summary>
        /// 导出数据库到Oralce
        /// </summary>
        public void Export()
        {
            //this.ExportTable("Items_Area");
            //this.ExportTable("Items_AuditStatus");
            //this.ExportTable("Items_Degree");
            //this.ExportTable("Items_Duty");
            //this.ExportTable("Items_Education");
            //this.ExportTable("Items_Express");
            //this.ExportTable("Items_Links");
            //this.ExportTable("Items_MembershipLevels");
            //this.ExportTable("Items_Nationality");
            //this.ExportTable("Items_NewsCategory");
            //this.ExportTable("Items_OnSale");
            //this.ExportTable("Items_OrganizeCategory");
            //this.ExportTable("Items_Party");
            //this.ExportTable("Items_Pattern");
            //this.ExportTable("Items_PayCategory");
            //this.ExportTable("Items_PostCategory");
            //this.ExportTable("Items_RoleCategory");
            //this.ExportTable("Items_SalaryItemCategory");
            //this.ExportTable("Items_SendCategory");
            //this.ExportTable("Items_Sex");
            //this.ExportTable("Items_Title");
            //this.ExportTable("Items_Units");
            //this.ExportTable("Items_UserAuditStates");
            //this.ExportTable("Items_Wed");
            //this.ExportTable("Items_WorkCategory");
            //this.ExportTable("Items_WorkFlowCategories");
            //this.ExportTable("Items_WorkingProperty");
            //this.ExportTable("Base_Businesscard");
            //this.ExportTable("Base_Comment");
            //this.ExportTable("Base_Contact");
            //this.ExportTable("Base_ContactDetails");
            //this.ExportTable("Base_Exception");
            //this.ExportTable("Base_File");
            //this.ExportTable("Base_Folder");
            //this.ExportTable("Base_Items");
            //this.ExportTable("Base_Log");
            //this.ExportTable("Base_Message");
            //this.ExportTable("Base_News");

//this.ExportTable("Base_Organize");
            //this.ExportTable("Base_Module", " SELECT * FROM BASE_MODULE ORDER BY PARENTID, ID ");
            //this.ExportTable("Base_PermissionItem");
            //this.ExportTable("Base_Role");
            //this.ExportTable("Base_Staff");

//this.ExportTable("Base_Parameter");
            //this.ExportTable("Base_Project");
            //this.ExportTable("Base_Permission");
            //this.ExportTable("Base_PermissionScope");

this.ExportTable("Base_Sequence");
            
            //this.ExportTable("Base_StaffOrganize");
            //this.ExportTable("Base_TableColumns");
            //this.ExportTable("Base_User");
            //this.ExportTable("Base_UserAddress");
            //this.ExportTable("Base_UserOrganize");
            //this.ExportTable("Base_UserRole");
            //this.ExportTable("Base_StaffOrganize");
            //this.ExportTable("Base_WorkFlowActivity");
            //this.ExportTable("Base_WorkFlowCurrent");
            //this.ExportTable("Base_WorkFlowHistory");
            //this.ExportTable("Base_WorkFlowProcess");
            
            System.Console.ReadLine();
        }

public void ExportTable(string tableName)
        {
            ExportTable(tableName, tableName);
        }

/// <summary>
        /// 导出一个表
        /// </summary>
        /// <param name="tableName">表名</param>
        /// <param name="table">里面的数据</param>
        public void ExportTable(string tableName, string table)
        {
            // 这里是获取数据
            SqlHelper sqlHelper = new SqlHelper("Data Source=localhost;Initial Catalog=UserCenterV32;Integrated Security=SSPI;");
            sqlHelper.Open();
            DataTable dataTable = new DataTable(tableName);
            if (tableName.Equals(table))
            {
                dataTable = sqlHelper.Fill("SELECT * FROM " + table);
            }
            else
            {
                dataTable = sqlHelper.Fill(table);
            }
            sqlHelper.Close();

// 这里是插入数据
            OracleHelper oracleHelper = new OracleHelper("Data Source=ORACLE11;user=DBO_USERCENTERV32;password=DBO_USERCENTERV32;");
            oracleHelper.Open();
            oracleHelper.BeginTransaction();
            SQLBuilder sqlBuilder = new SQLBuilder(oracleHelper);
            try
            {
                // 清除表数据
                oracleHelper.ExecuteNonQuery("TRUNCATE TABLE " + tableName);
                // 创建配套的序列
                // oracleHelper.ExecuteNonQuery("create sequence SEQ_" + tableName + " minvalue 1 maxvalue 999999999999999999999999 start with 1 increment by 1 cache 20");

int r = 0;
                for (r = 0; r < dataTable.Rows.Count; r++)
                {
                    sqlBuilder.BeginInsert(tableName);
                    for (int i = 0; i < dataTable.Columns.Count; i++)
                    {
                        sqlBuilder.SetValue(dataTable.Columns[i].ColumnName, dataTable.Rows[r][dataTable.Columns[i].ColumnName]);
                    }
                    sqlBuilder.EndInsert();
                    System.Console.WriteLine("表 " + tableName + " 已插入第 " + r.ToString() + " 行");
                }
                System.Console.WriteLine(" - - 表 " + tableName + " 共插入 " + r.ToString() + " 行");
                oracleHelper.CommitTransaction();
            }
            catch (System.Exception exception)
            {
                oracleHelper.RollbackTransaction();
                System.Console.WriteLine(tableName + " -- " + exception.Message);
            }
            finally
            {
                oracleHelper.Close();
            }
        }
    }