利用ASP输出excel文件实例讲解

2019-10-20 15:04:43

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这篇文章主要内容是利用ASP输出excel文件实例讲解，感兴趣的小伙伴们可以参考一下

在asp中利用excel的一个方法是将excel文件作为一个数据库进行链接,然后的操作和对access数据库操作类似.但是这个方法不是总能有用的，应为excel不是关系型的数据库。对于一个固定格式,这个格式里有复杂的单元格合并,边框线条样式,还有图案,单元格之间还有公式关系等等的,我想最容易理解的就是在后台打开一个已有设定好模板的文件,然后在需要的地方插入数据,保存,输出... ...

这里提到的这种方法是直接建立一个excel对象,在后台可以更方便的对excel文档进行各种操作。

服务器端还必须要设置的一点是COM组件的操作权限。在命令行键入“DCOMCNFG”，则进入COM组件配置界面，选择MicrosoftExcel后点击属性按钮，将三个单选项一律选择自定义，编辑中将Everyone加入所有权限。保存完毕后重新启动服务器。

很重要.不设置的话,别的电脑将无法完成excel对象的建立.

但是这种方法也有一个缺憾,在我实际操作中,如果服务器上已有打开的excel文件,再执行同一文件,就会出错.暂时还搞不明白为何.可能还有一些地方没设置好吧.

另外,上面引用的文章中实例代码格式不太完整,其中很多换行和空格格式不准确,如果代码完整,只要复制代码,就可以运行成功,然后再慢慢进行研究修改,就很容易上手了.现把修改后的代码如下(删去了其中画图表的部分):

程序代码：

<%

On Error Resume Next

strAddr=Server.MapPath(".")

set objExcelApp=CreateObject("Excel.Application")

objExcelApp.DisplayAlerts=false

objExcelApp.Application.Visible=false

objExcelApp.WorkBooks.Open(strAddr&"/Templet/Null.xls")

set objExcelBook=objExcelApp.ActiveWorkBook

set objExcelSheets=objExcelBook.Worksheets

set objExcelSheet=objExcelBook.Sheets(1)

objExcelSheet.Range("B2:k2").Value=Array("Week1","Week2","Week3","Week4","Week5","Week6","Week7")

objExcelSheet.Range("B3:k3").Value=Array("67","87","5","9","7","45","45","54","54","10")

objExcelSheet.Range("B4:k4").Value=Array("10","10","8","27","33","37","50","54","10","10")

objExcelSheet.Range("B5:k5").Value=Array("23","3","86","64","60","18","5","1","36","80")

objExcelSheet.Cells(3,1).Value="InternetExplorer"

objExcelSheet.Cells(4,1).Value="Netscape"

objExcelSheet.Cells(5,1).Value="Other"

objExcelSheet.Range("b2:k5").Select

SaveAs(strAddr&"/Temp/Excel.xls")

objExcelApp.Quit

set objExcelApp=Nothing

%>

<!DOCTYPEHTMLPUBLIC"-//W3C//DTDHTML4.0Transitional//EN">

<HTML>

<HEAD>

<TITLE>NewDocument</TITLE>

<METANAME="Generator"CONTENT="MicrosoftFrontPage5.0">

<METANAME="Author"CONTENT="">

<METANAME="Keywords"CONTENT="">

<METANAME="Description"CONTENT="">

</HEAD>

<BODY>

</BODY>

</HTML>

操作完excel文件需要将文件进行输出,实际弄一下,用ASP的redirect到excel方法,有时候是在IE中直接打开,有时候是弹出"下载打开保存"窗口.如果需要直接在IE中打开,不放用FSO载入excel文件,然后在IE中输出.

程序代码:

<%

Dim Fso,FileExt,strFilePath,Mime

strFilePath = "f:/aspxuexi.doc"

Set Fso=Server.CreateObject("Scripting.FileSystemObject")

FileExt = Fso.GetExtensionName(strFilePath)

Set fso=Nothing

Select Case FileExt

Case "doc"

Mime="Application/msword"

Case "xls"

Mime="Application/msexcel"

End Select

Call OutPut(strFilePath,Mime)

'######################################################

Function OutPut(strFilePath,Mime)

Response.ContentType = Mime

Const adTypeBinary = 1

Set objStream = Server.CreateObject("ADODB.Stream")

objStream.Open

objStream.Type = adTypeBinary

objStream.LoadFromFile strFilePath

Response.BinaryWrite objStream.Read

objStream.Close

Set objStream = Nothing

End Function

'######################################################

%>

在实际应用中.当服务器端正在运行excel或ACCESS程序时,客户端提交建立excel.application对象无法成功.另一种情况,当一个客户端提交请求时,并没有结束时,另一个客户端提交的请求也无法成功!或许这个问题有别的解决方案,但是至少这是不稳定的.

正好我们部门内部网上有相关成功的例子,挖出来看,原来是在客户端建立excel.application的.这样,服务器端不会再冲突.对于客户端,因为是在局域网内运行,客户IE安全级别可以设低,并允许运行相关activeX(就是在IE工具选项中把各类涉及安全的东西都设为允许,具体的哪一项没有去追究),即使没有设置,IE也会弹出警告窗口:"是否允许运行activeX?"

实现的代码和上篇日志差不多,简单的如下:

程序代码:

<script language="vbscript">

set objExcelApp=CreateObject("Excel.Application")

objExcelApp.DisplayAlerts=true

objExcelApp.WorkBooks.Open("http://XXX.XXX.XXX/XXX.xls")

'完整网路地址的xls文件,这个文件已经设置好格式及打印样式,保存在服务器上

set objExcelBook=objExcelApp.ActiveWorkBook

set objExcelSheets=objExcelBook.Worksheets

set objExcelSheet=objExcelBook.Sheets(1)

'====此处为对excel单元格进行填写数据的语句,如果是从数据库提取数据,可由后台程序生成这些语句,ASP中的示列:

'如:response.write "objExcelSheet.Range(""B2"").Value="""&rs("XXX")&""""

'或 objExcelSheet.Range("B2").Value="<%=rs("XXX")%>"

objExcelSheet.Range("B2:k2").Value=Array("Week1","Week2","Week3","Week4","Week5","Week6","Week7")

objExcelSheet.Range("B3:k3").Value=Array("67","87","5","9","7","45","45","54","54","10")

objExcelSheet.Range("B4:k4").Value=Array("10","10","8","27","33","37","50","54","10","10")

objExcelSheet.Range("B5:k5").Value=Array("23","3","86","64","60","18","5","1","36","80")

objExcelSheet.Cells(3,1).Value="InternetExplorer"

objExcelSheet.Cells(4,1).Value="Netscape"

objExcelSheet.Cells(5,1).Value="Other"

'==================

'objExcelApp.Quit

'set objExcelApp=Nothing

</script>