学以致用——Excel连接Oracle生成iKB报告——Part3（功能优化）

作为一个consultant，其价值就在于做一个problem solver，解决具体问题。

自己写程序的好处就是，对细节的把控程度更高，更容易实现精益求精。

今天，又熬夜优化了一下代码，现在，可以做到从Excel一键提取Oracle数据库iKB汇总数据，进行数据分析及完成自动化日报了。

可以说，自动化程度已经相当之高了

分享代码：

Sub initialize()'声明定义VBA语句中需要使用到的各个变量类型Dim AdoConn As New ADODB.Connection '定义变量AdoConn为连接数据库对象（ADODB是数据库访问组件，Connection是其中的一个对象），用于实现连接数据库连接等操作Dim D1 As Date                      '定义D1为日期型变量，用于业务日期赋值Dim D2 As Date                      '定义D2为日期型变量，用于业务日期赋值Dim i As Integer                    '定义i为循环变量，用于初始化时基于数据库数据循环赋值'定义SQL语句所需要的4个字符串变量Dim strSQL1 As StringDim strSQL2 As StringDim strSQL3 As StringDim strSQL4 As Stringi = 2                               '表头占用一行，数据从第二行开始'需在工程中手动添加引用：工具－引用－Microsoft ActiveX Data Objects 2.8 'Library,Microsoft ActiveX Data Objects Recordset 2.8 Library'建立数据库连接'AdoConn.Open ("provider=msdaora; data source=orcl; user id=C##SCOTT;password=scott") 'Oracle 12.1.0.2.0-64 版本+Excel2016专业增强版，使用此种连接方式不可行AdoConn.Open ("provider=OraOLEDB.Oracle.1; data source=orcl; user id=C##SCOTT;password=scott")'从第二行开始循环赋值Do While ActiveSheet.Cells(i, "B").Value <> ""    D1 = ActiveSheet.Cells(i, "B")    D2 = D1 + 1    '设置SQL查询语句    strSQL1 = "SELECT count(termid) FROM ikb"                                '当日词条总数    strSQL2 = "SELECT count(distinct phase) FROM ikb"      'Phase词条数（去重不为空,下同）    strSQL3 = "SELECT count(distinct type) FROM ikb"       'type词条数    strSQL4 = "SELECT count(distinct subtype) FROM ikb"    'subtype词条数    strSQL5 = "SELECT count(termid) FROM ikb WHERE date_updated < to_date('" & D2 & "') AND date_updated >= to_date('" & D1 & "')"              '更新日期为该日期的词条总数    strSQL6 = "SELECT count(distinct en) FROM ikb"         'EN词条数    strSQL7 = "SELECT count(distinct cn) FROM ikb"         'CN词条数    strSQL8 = "SELECT count(distinct jp) FROM ikb"         'JP词条数    strSQL9 = "SELECT count(distinct ed) FROM ikb"         'ed词条数    strSQL10 = "SELECT count(distinct cnd) FROM ikb"       'cnd词条数    strSQL11 = "SELECT count(distinct jpd) FROM ikb"        'jpd词条数        '执行查询并赋值    ActiveSheet.Cells(i, 12).CopyFromRecordset AdoConn.Execute(strSQL1)    ActiveSheet.Cells(i, 3).CopyFromRecordset AdoConn.Execute(strSQL2)    ActiveSheet.Cells(i, 4).CopyFromRecordset AdoConn.Execute(strSQL3)    ActiveSheet.Cells(i, 5).CopyFromRecordset AdoConn.Execute(strSQL4)    ActiveSheet.Cells(i, 13).CopyFromRecordset AdoConn.Execute(strSQL5)    ActiveSheet.Cells(i, 6).CopyFromRecordset AdoConn.Execute(strSQL6)    ActiveSheet.Cells(i, 7).CopyFromRecordset AdoConn.Execute(strSQL7)    ActiveSheet.Cells(i, 8).CopyFromRecordset AdoConn.Execute(strSQL8)    ActiveSheet.Cells(i, 9).CopyFromRecordset AdoConn.Execute(strSQL9)    ActiveSheet.Cells(i, 10).CopyFromRecordset AdoConn.Execute(strSQL10)    ActiveSheet.Cells(i, 11).CopyFromRecordset AdoConn.Execute(strSQL11)        i = i + 1LoopAdoConn.CloseSet AdoConn = NothingMsgBox "数据提取完毕！"End SubSub update()'声明定义VBA语句中需要使用到的各个变量类型Dim AdoConn As New ADODB.Connection '定义变量AdoConn为连接数据库对象（ADODB是数据库访问组件，Connection是其中的一个对象），用于实现连接数据库连接等操作Dim D1 As Date                      '定义D1为日期型变量，用于业务日期赋值Dim D2 As Date                      '定义D2为日期型变量，用于业务日期赋值Dim N As Integer'Dim i As Integer                    '定义i为循环变量，用于初始化时基于数据库数据循环赋值'定义SQL语句所需要的4个字符串变量Dim strSQL1 As StringDim strSQL2 As StringDim strSQL3 As StringDim strSQL4 As StringDim strSQL5 As StringDim strSQL6 As StringDim strSQL7 As StringDim strSQL8 As StringDim strSQL9 As StringDim strSQL10 As StringDim strSQL11 As StringD1 = DateD2 = D1 + 1'需在工程中手动添加引用：工具－引用－Microsoft ActiveX Data Objects 2.8 'Library,Microsoft ActiveX Data Objects Recordset 2.8 Library'建立数据库连接'AdoConn.Open ("provider=msdaora; data source=orcl; user id=C##SCOTT;password=scott") 'Oracle 12.1.0.2.0-64 版本+Excel2016专业增强版，使用此种连接方式不可行 'AdoConn.Open ("provider=OraOLEDB.Oracle.1; data source=orcl; user id=C##SCOTT; password=scott") 'AdoConn.Open ("Driver={Microsoft ODBC for Oracle}; server=orcl; user id=C##SCOTT; password=scott") AdoConn.Open ("provider=OraOLEDB.Oracle.1; data source=orcl; user id=C##SCOTT;password=scott") '      Dim conn As New ADODB.Connection'      'Dim rs As ADODB.Recordset'      Dim strConn As String'      'Dim strconn1 As String'      Set conn = CreateObject("ADODB.Connection")'      'Set rs = CreateObject("ADODB.recordset")'      strConn = "Driver=D:\app\client\pande\product\12.1.0\client_1\oledb\lib\OraOLEDB12.lib;Dbq=orcl;Uid=C##SCOTT;Pwd=scott;" 'OraClient11g_home1为oracle安装目录，Dbq为数据库名'     conn.Open strConn '打开数据库N = ActiveSheet.Range("B1").End(xlDown).Row + 1 '获取下一业务日期    If (ActiveSheet.Cells(N - 1, 2) < Date) Then            '最新一条记录对应的业务日期小于系统日期时，新增记录           '设置SQL查询语句        strSQL1 = "SELECT count(termid) FROM ikb"                                '当日词条总数        strSQL2 = "SELECT count(distinct phase) FROM ikb"      'Phase词条数（去重不为空,下同）        strSQL3 = "SELECT count(distinct type) FROM ikb"       'type词条数        strSQL4 = "SELECT count(distinct subtype) FROM ikb"    'subtype词条数        strSQL5 = "SELECT count(termid) FROM ikb WHERE date_updated < to_date('" & D2 & "') AND date_updated >= to_date('" & D1 & "')"              '更新日期为该日期的词条总数        strSQL6 = "SELECT count(distinct en) FROM ikb"         'EN词条数        strSQL7 = "SELECT count(distinct cn) FROM ikb"         'CN词条数        strSQL8 = "SELECT count(distinct jp) FROM ikb"         'JP词条数        strSQL9 = "SELECT count(distinct ed) FROM ikb"         'ed词条数        strSQL10 = "SELECT count(distinct cnd) FROM ikb"       'cnd词条数        strSQL11 = "SELECT count(distinct jpd) FROM ikb"        'jpd词条数                '执行查询并赋值        ActiveSheet.Cells(N, 1).Value = ActiveSheet.Cells(N - 1, 1).Value + 1        ActiveSheet.Cells(N, 2).Value = ActiveSheet.Cells(N - 1, 2).Value + 1        ActiveSheet.Cells(N, 12).CopyFromRecordset AdoConn.Execute(strSQL1)        ActiveSheet.Cells(N, 3).CopyFromRecordset AdoConn.Execute(strSQL2)        ActiveSheet.Cells(N, 4).CopyFromRecordset AdoConn.Execute(strSQL3)        ActiveSheet.Cells(N, 5).CopyFromRecordset AdoConn.Execute(strSQL4)        ActiveSheet.Cells(N, 13).CopyFromRecordset AdoConn.Execute(strSQL5)        ActiveSheet.Cells(N, 6).CopyFromRecordset AdoConn.Execute(strSQL6)        ActiveSheet.Cells(N, 7).CopyFromRecordset AdoConn.Execute(strSQL7)        ActiveSheet.Cells(N, 8).CopyFromRecordset AdoConn.Execute(strSQL8)        ActiveSheet.Cells(N, 9).CopyFromRecordset AdoConn.Execute(strSQL9)        ActiveSheet.Cells(N, 10).CopyFromRecordset AdoConn.Execute(strSQL10)        ActiveSheet.Cells(N, 11).CopyFromRecordset AdoConn.Execute(strSQL11)        ActiveSheet.Cells(N, 14).Value = ActiveSheet.Cells(N, 12).Value - ActiveSheet.Cells(N - 1, 12).Value        ActiveSheet.Cells(N, 15).Value = ActiveSheet.Cells(N, 13).Value - ActiveSheet.Cells(N - 1, 13).Value        ActiveSheet.Cells(N, 16).Value = ActiveSheet.Cells(N, 14).Value + ActiveSheet.Cells(N - 1, 16).Value    End If    If (ActiveSheet.Cells(N - 1, 2) = Date) Then                '最新一条记录对应的业务日期等于系统日期时，仅更新最后一条记录 （即，刷新当前数据）           '设置SQL查询语句        strSQL1 = "SELECT count(termid) FROM ikb"                                '当日词条总数        strSQL2 = "SELECT count(distinct phase) FROM ikb"      'Phase词条数（去重不为空,下同）        strSQL3 = "SELECT count(distinct type) FROM ikb"       'type词条数        strSQL4 = "SELECT count(distinct subtype) FROM ikb"    'subtype词条数        strSQL5 = "SELECT count(termid) FROM ikb WHERE date_updated < to_date('" & D2 & "') AND date_updated >= to_date('" & D1 & "')"              '更新日期为该日期的词条总数        strSQL6 = "SELECT count(distinct en) FROM ikb"         'EN词条数        strSQL7 = "SELECT count(distinct cn) FROM ikb"         'CN词条数        strSQL8 = "SELECT count(distinct jp) FROM ikb"         'JP词条数        strSQL9 = "SELECT count(distinct ed) FROM ikb"         'ed词条数        strSQL10 = "SELECT count(distinct cnd) FROM ikb"       'cnd词条数        strSQL11 = "SELECT count(distinct jpd) FROM ikb"        'jpd词条数                '执行查询并赋值        ActiveSheet.Cells(N - 1, 12).CopyFromRecordset AdoConn.Execute(strSQL1)        ActiveSheet.Cells(N - 1, 3).CopyFromRecordset AdoConn.Execute(strSQL2)        ActiveSheet.Cells(N - 1, 4).CopyFromRecordset AdoConn.Execute(strSQL3)        ActiveSheet.Cells(N - 1, 5).CopyFromRecordset AdoConn.Execute(strSQL4)        ActiveSheet.Cells(N - 1, 13).CopyFromRecordset AdoConn.Execute(strSQL5)        ActiveSheet.Cells(N - 1, 6).CopyFromRecordset AdoConn.Execute(strSQL6)        ActiveSheet.Cells(N - 1, 7).CopyFromRecordset AdoConn.Execute(strSQL7)        ActiveSheet.Cells(N - 1, 8).CopyFromRecordset AdoConn.Execute(strSQL8)        ActiveSheet.Cells(N - 1, 9).CopyFromRecordset AdoConn.Execute(strSQL9)        ActiveSheet.Cells(N - 1, 10).CopyFromRecordset AdoConn.Execute(strSQL10)        ActiveSheet.Cells(N - 1, 11).CopyFromRecordset AdoConn.Execute(strSQL11)        ActiveSheet.Cells(N - 1, 14).Value = ActiveSheet.Cells(N - 1, 12).Value - ActiveSheet.Cells(N - 2, 12).Value        ActiveSheet.Cells(N - 1, 15).Value = ActiveSheet.Cells(N - 1, 13).Value - ActiveSheet.Cells(N - 2, 13).Value        ActiveSheet.Cells(N - 1, 16).Value = ActiveSheet.Cells(N - 1, 14).Value + ActiveSheet.Cells(N - 2, 16).Value    End IfAdoConn.CloseSet AdoConn = NothingMsgBox "数据提取完毕！"End Sub

更新数据页面：

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