分享C++写后台代码

/*************************************************
Copyright: Baosight Software LTD.co Copyright (c) 2010
Author: sky_yang
Version: 1.0
Date: 2017-8-08
Description: 生产单元产量完成情况查询（按生产厂）
**************************************************/

/***** C++ 的标准头文件部分 *****/

include "stdafx.h"

/***** C++ 的业务头文件部分 *****/
/=========================================================
///

///
///
///

///
===========================================================/
// service入口
BM2F_ENTERACE(oimmhp05f2_inq)

int f_oimmhp05f2_inq(EIClass * bcls_rec, EIClass * bcls_ret, CDbConnection * conn)
{

CTracer log(__FUNCTION__);  //系统日志类定义

/* 程序内部变量 */
int doFlag = 0;

/* 数据库SQL操作字符串 */
CString sqlstr;

CDbCommand cmd_inq(conn);
try
{
    //获取传入参数
    


    switch (conn->DatabaseKind)
    {
    case DB_KIND_DB2:               // DB2 数据库（未开Oracle兼容）
    case DB_KIND_DB2_ORACLE:        // DB2 数据库（开Oracle兼容）
    case DB_KIND_MSSQL:             // MS SQL Server数据库
    case DB_KIND_ORACLE:            // Oracle 数据库
    default:
        sqlstr = "SELECT  CFGP01_VDESC AS CFGP01_VD,SUM(STOCK_END_WT) AS STOCK_END_WT FROM TOIMM02 WHERE CFGP01_NAME = 'PROD_CODE' GROUP BY  CFGP01_VDESC";

    }
    Log::Trace(" ", __FUNCTION__, "sqlstr =[{0}]", sqlstr);
    cmd_inq.SetCommandText(sqlstr);
    cmd_inq.ExecuteQuery(bcls_ret->Tables[0]);
    cmd_inq.Close();

    bcls_ret->Tables.Add();
    bcls_ret->Tables[1].Rows.Add();

    switch (conn->DatabaseKind)
    {
    case DB_KIND_DB2:               // DB2 数据库（未开Oracle兼容）
    case DB_KIND_DB2_ORACLE:        // DB2 数据库（开Oracle兼容）
    case DB_KIND_MSSQL:             // MS SQL Server数据库
    case DB_KIND_ORACLE:            // Oracle 数据库
    default:
        sqlstr = "select CFGP01_VDESC AS CFGP01_VE,SUM(STOCK_END_WT) AS STOCK_E_WT from TOIMM02 WHERE CFGP01_NAME = 'STOCK_AGE' GROUP BY  CFGP01_VDESC ";

    }
    Log::Trace(" ", __FUNCTION__, "sqlstr =[{0}]", sqlstr);
    cmd_inq.SetCommandText(sqlstr);
    cmd_inq.ExecuteQuery(bcls_ret->Tables[1]);
    cmd_inq.Close();

    bcls_ret->Tables.Add();
    bcls_ret->Tables[2].Rows.Add();

    switch (conn->DatabaseKind)
    {
    case DB_KIND_DB2:               // DB2 数据库（未开Oracle兼容）
    case DB_KIND_DB2_ORACLE:        // DB2 数据库（开Oracle兼容）
    case DB_KIND_MSSQL:             // MS SQL Server数据库
    case DB_KIND_ORACLE:            // Oracle 数据库
    default:
        sqlstr = "select CFGP01_VDESC AS CFGP01_VS,SUM(STOCK_END_WT) AS STOCK_N_WT from TOIMM02 WHERE CFGP01_NAME = 'STOCK_STURCT' AND CFGP02_VALUE = 'SM' group by CFGP01_VDESC";

    }
    Log::Trace(" ", __FUNCTION__, "sqlstr =[{0}]", sqlstr);
    cmd_inq.SetCommandText(sqlstr);
    cmd_inq.ExecuteQuery(bcls_ret->Tables[2]);
    cmd_inq.Close();

    bcls_ret->Tables.Add();
    bcls_ret->Tables[3].Rows.Add();
    switch (conn->DatabaseKind)
    {
    case DB_KIND_DB2:               // DB2 数据库（未开Oracle兼容）
    case DB_KIND_DB2_ORACLE:        // DB2 数据库（开Oracle兼容）
    case DB_KIND_MSSQL:             // MS SQL Server数据库
    case DB_KIND_ORACLE:            // Oracle 数据库
    default:
        sqlstr = " SELECT CFGP01_VDESC AS CFGP01_VC,SUM(STOCK_END_WT) AS STOCK_D_WT FROM TOIMM02 WHERE CFGP01_NAME = 'STOCK_STURCT' AND CFGP02_VALUE = 'PR' GROUP BY CFGP01_VDESC ";

    }
    Log::Trace(" ", __FUNCTION__, "sqlstr =[{0}]", sqlstr);
    cmd_inq.SetCommandText(sqlstr);
    cmd_inq.ExecuteQuery(bcls_ret->Tables[3]);
    cmd_inq.Close();

}
catch (CDbException& ex)  //捕获数据库操作异常
{
    CFormattable arguments[] = { ex.GetCode() };
    CMessageFormat::Format(s.msg, _RES("GCRSS0000006")/*数据库处理出错，sqlcode=[{0}]。请联系系统维护人员。*/, arguments, 1);
    CString str = sqlstr + "\r\n" + ex.GetMsg();
    strncpy(s.sysmsg, (const char*)str, sizeof(s.sysmsg) - 1);
    s.flag = -1;
    doFlag = -1;      //数据库异常时返回-1，事务将被回滚
}
catch (CApplicationException& ex)  //捕获应用错误
{
    s.flag = ex.GetCode();
    doFlag = -1;
}
catch (CException& ex)
{
    strncpy(s.msg, (const char*)ex.GetMsg(), sizeof(s.msg) - 1);
    s.flag = ex.GetCode();
    doFlag = -1;
}

return doFlag;

}