我正在运行以下查询和 QoQ 。您能告诉我应该如何处理“下载 CSV”文件选项吗?
<!--- QoQ for FIRSTCONN --->
<cfquery datasource = "XX.XX.X.XX" name="master1">
SELECT STR_TO_DATE(date_format(Timedetail,'%m-%d-%Y'),'%m-%d-%Y') as FIRSTCONN
, COUNT(Timedetail) as FIRSTOccurances
, EVENTS
FROM MyDatabase
WHERE EVENTS = "FIRST"
GROUP BY FIRSTCONN ;
</cfquery>
<!--- Detail Query --->
<cfquery dbtype="query" name="detail1">
SELECT *
FROM master1
WHERE FIRSTCONN >= <cfqueryparam value="#form.startdate#" cfsqltype="cf_sql_varchar">
AND FIRSTCONN < <cfqueryparam value="#dateAdd('d', 1,form.enddate)#" cfsqltype="cf_sql_varchar">;
</cfquery>
<!--- QoQ for SECONDCONN --->
<cfquery datasource = "XX.XX.X.XX" name="master2">
SELECT STR_TO_DATE(date_format(Timedetail,'%m-%d-%Y'),'%m-%d-%Y') as SECONDCONN
, COUNT(Timedetail) as SECONDOccurances
, EVENTS
FROM MyDatabase
WHERE EVENTS = "SECOND"
GROUP BY SECONDCONN ;
</cfquery>
<cfquery dbtype="query" name="detail2">
SELECT *
FROM master2
WHERE SECONDCONN >= <cfqueryparam value="#form.startdate#" cfsqltype="cf_sql_varchar">
AND SECONDCONN < <cfqueryparam value="#dateAdd('d', 1,form.enddate)#" cfsqltype="cf_sql_varchar">;
</cfquery>
<cfchart format="flash" chartwidth="1000" chartheight="500" scalefrom="0" scaleto="50000" xAxisTitle="Dates" yaxistitle="Number of Connections">
<cfchartseries query="detail1" type="line" itemColumn="FIRSTCONN" valueColumn="FIRSTOccurances" >
<cfchartseries query="detail2" type="line" itemColumn="SECONDCONN" valueColumn="SECONDOccurances" >
</cfchartseries>
</cfchart>[/CODE]
The cfform code and cfscript code I'm using is as follows:
[CODE]<cfform format="flash" preloader ="false">
<cfformgroup type="horizontal">
<cfinput type="dateField" name="startdate" label="Start Date" width="100" value="#form.startdate#">
<cfinput type="dateField" name="enddate" label="End Date" width="100" value="#form.enddate#">
<cfinput name="submitApply" type="submit" value = "Apply">
<cfinput name="cancel" type="submit" value="Download CSV">
</cfformgroup>
<cfscript>
var tl ='';
var nl = (Chr( 13 ) & Chr( 10 ));
var fileContent = createObject("java","java.lang.StringBuffer").init();
var counter =1;
fileContent.append( 'FIRST');
fileContent.append(nl);
for(i=1;i<=detail1.recordCount;i=i+1){
tl = detail1.FIRST;
fileContent.append(tl);
fileContent.append(nl);
}
fileContent.append( 'SECOND');
fileContent.append(nl);
for(i=1;i<=detail2.recordCount;i=i+1){
tl = detail2.SECOND;
fileContent.append(tl);
fileContent.append(nl);
}
</cfscript>
<cfset absoluteFilePathAndName = " C:\ColdFusion8\runtime\servers\coldfusion\SERVER-INF\temp\wwwroot-tmp\">
<cfset realtiveFilePathAndName = " C:\ColdFusion8\runtime\servers\coldfusion\SERVER-INF\temp\wwwroot-tmp\">
<cffile action="write" file="#absoluteFilePathAndName#" output="#fileContent.toString()#"/>
<a href="#realtiveFilePathAndName#>Download</a>
期望的输出:
我附上了下面的输出。请在附件中找到它。
基本上,如果日期范围是 6 月 21 日至 7 月 21 日。输出必须如图所示。(为了我的代码简单起见,我省略了 THIRDCONN 等)。
我试图尝试解决上述问题,是否需要为每一列编写 fileContent.append() ?如果我错了,请告诉我。
PS 我是 CF 新手,以前没有这样做过。
谢谢