如何可以让用户自定义选择数据表,选择字段,然后导出成指定的格式Excel?现只要Copy以下两个文件存盘,稍作改动即可通用 其中conn.asp连接数据库的文件自己写啦。 首先,把以下代码存盘为Data_Import1.asp <!--#include file="include/conn.asp"--> <% TableN=Trim(Request("TableN")) If TableN="" Then TableN="TableNameA" End If 'Response.Write Replace(Request.Form("TableIName"),","," ") Set Rst=Server.CreateObject("Adodb.RecordSet") Sqlt="Select * from " & TableN Rst.Open Sqlt,conn,1,1 %> <Script Language="JavaScript"> function SendParameter(tablevalue) { tvalue=tablevalue; window.location.href="Data_Import.asp?TableN="+tvalue; } </Script> <Script Language="JavaScript"> var check=0 function checkall() { if(check==0){ for(var i=0;i<document.form1.TableIName.length;i++) { var e=document.form1.TableIName[i]; e.checked=true; } check=1; document.form1.chk.alt="全否"; }else{ for(var i=0;i<document.form1.TableIName.length;i++) { var e=document.form1.TableIName[i]; e.checked=false; } check=0; document.form1.chk.alt="全选"; } } </Script>
<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <title>导出数据</title> </head> <body> <form method="POST" name="form1" action="Data_Import2.asp"> <p><select size="1" name="TableName" onchange="SendParameter(this.value);"> <option>---请选择表---</option> <option value="TableNameA" >表A</option> <option value="TableNameB" >表B</option> <option value="TableNameC" >表C</option> <option value="TableNameD" >表D</option> <option value="TableNameE" >表E</option> </select></p> <p> </p> <table border="0" width="100%" id="table1"> <tr> <% '将字段名称循环读出 Dim RowCount RowCount=1 ColCount = Rst.Fields.Count For intCount= 0 to ColCount-1 %> <td> <input type="checkbox" name="TableIName" value="<%=ucase(Rst.Fields(intCount).Name)%>"><%=ucase(Rst.Fields(intCount).Name)%> <%If RowCount mod 5 =0 Then%><tr></tr><%End If%> </td> <% RowCount=RowCount+1 Next Rst.Close Set Rst=Nothing %> </tr> </table> <p> </p> <p> <input name="chk" type="checkbox" id="chk" onclick="checkall()">全选/不全选 </p> <p align="center"> <input type="submit" value="下一步>>" name="submitbutton"></p> <input type="hidden" name="TableN" value="<%=TableN%>"> </form> <div align="center"> <% rs.close conn.close Set rs=nothing Set conn=nothing %> </body> </html> 以上只需要把“ <option>---请选择表---</option>”这一行以下的改成需要的表名即可(其实这里也可以使用Asp循环写出库里的所有的表,我懒得写了,只好写死算了) 把以下代码存盘为Data_Import2.asp <!--#include file="include/conn.asp"--> <% IF Request.Form("TableIName")<>"" Then '以防上一页没有选择字段而造成asp死占内存 dim tablename,filetype,fieldPid sql = "Select " & Request.Form("TableIName") & " from " & Request.Form("TableN") tablename = Request.Form("TableN") filetype = "csv" fieldPid = request("pid") if fieldPid = "" then fieldPid = "id" end if fieldPid = lcase(fieldPid) if lcase(left(sql,6))<>"select" then Response.write "sql语句必须为select * from [table] where ......." Response.end end if if tablename = "" then tablename = "数据导出结果" end if function HTMLEncode(fString) if not isnull(fString) then fString = Server.HTMLEncode(fString) fString = Replace(fString, CHR(10) & CHR(10), "</P><P> ") fString = Replace(fString, CHR(10), "<BR> ") fString = Replace(fString, CHR(9), " ") HTMLEncode = fString end if end function function Myreplace(str) if not isnull(str) then fString = Replace(fString,"""", """""") Myreplace = str else Myreplace = "" end if end function function Myreplace2(str) if not isnull(str) then fString = Replace(fString,"'", "''") Myreplace2 = str else Myreplace2 = "" end if end function dim def_export_sep,def_export_val def_export_sep = "," def_export_val = """" Set rs = Conn.Execute(sql) if filetype="csv" then Response.contenttype="csv" Response.AddHeader "Content-Disposition", "attachment;filename="&tablename&".csv" strLine="" For each x in rs.fields strLine= strLine & def_export_val & x.name & def_export_val & def_export_sep Next Response.write strLine & vbnewline While rs.EOF =false strLine= "" For each x in rs.fields strLine= strLine & def_export_val & Myreplace(x.value) & def_export_val & def_export_sep Next rs.MoveNext Response.write strLine & vbnewline Wend else %> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <title>导出数据</title> </head> <style> <!-- body,input,select { font-family: Tahoma; font-size: 8pt } th { font-family: Tahoma; font-size: 8pt;padding:3px;color:#FFFFFF;background-color:#C0C9E2;} td { font-family: Tahoma; font-size: 8pt;padding:3px;background-color:#EFEFEF;} --> </style> <body> <div align="center"> <table width=98% border="0" cellpadding="0" cellspacing="1" bgcolor="#000000"> <tr> <% i=0 For each x in rs.fields strLine= strLine &chr(9)&chr(9)&"<th align=""center"">"& x.name &"</th>"& vbnewline Next Response.write strLine&chr(9)&"</tr>"& vbnewline & vbnewline While rs.EOF =false i=i+1 Response.write chr(9)&"<tr>"& vbnewline strLine= "" For each x in rs.fields strLine= strLine &chr(9)&chr(9)&"<td>"& HTMLEncode(x.value) &"</td>"& vbnewline Next rs.MoveNext Response.write strLine Response.write chr(9)&"</tr>"& vbnewline & vbnewline Wend %> </table><%=vbnewline%> <p style='line-height:160%;'><%=i%>条记录 <% 'response.write"<a href='?tablename="& tablename &"&pid="& fieldPid &"&filetype=csv&sql="&server.urlencode(sql)&"'>导出EXCEL</a>" response.write vbnewline end if response.write vbnewline Else %> </body> </html> <Script language="JavaScript"> alert("请至少选择一个字段名称!"); window.history.go(-1); </Script> <% End If %> 以上文件放在IIS下测试目录下即可通用。以上代码经过测试。希望大家可以继续完善它,开发出通用的模块出来。还有一个问题暂未解决的是,如何使字段列表是中文名?因为一般字段设计都是英文名,如何让列出的字段名为对应的中文名呢?还没有想到较好的方法。如果用do case语句的话,日后增加表或字段结构更改也是很麻烦。 
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