excel匯出功能

1：pom.xml匯入依賴

org.apache.poi

poi$
org.apache.poi
poi-ooxml  //本地倉庫位置
$

2：controller

@apioperation(value = "分析資料**匯出", httpmethod = "get", notes = " 說明：匯出csv格式資料", response = string.class)

@responsebody
public string passengerflowdatagridexport(@apiparam(required = true, name = "datetype", value = "日期型別", defaultvalue = "day",

allowablevalues = "day") @requestparam(required = true) string datetype,

@apiparam(required = false, name = "starttime", value = "開始時間", defaultvalue = "2017-06-10")

@requestparam(required = false) string starttime,

@apiparam(required = false, name = "endtime", value = "結束時間", defaultvalue = "2017-06-11")

@requestparam(required = false) string endtime,

@apiparam(required = true, name = "storecode", value = "門店編碼", defaultvalue = "871l")

@requestparam(required = true) string storecode

),starttime:{},endtime:{},storecode:{}" , datetype ,starttime ,endtime ,storecode);
storefrontqueryparam queryparam = new storefrontqueryparam(datetype, starttime, endtime, storecode);
storefrontpassengerflowanalysisservice.datagridexport(queryparam, response);
logger.info("datagridexport costs:" + (system.currenttimemillis() - begin) + " ms");
return null;
}

3:service:

@override

//資料匯出
** @param queryparam 查詢引數
* @return
*/@override
//**資料
public storefrontpassengerflowanalysisdatagridvo datagrid(storefrontqueryparam queryparam) 
//多天處理
else if (queryparam.getstorefrontquerydatetype()== storefrontanalysisquerydatetype.day_more)
else
//獲取返回的結果
list> datagrids = processor.getdatagrid();
storefrontpassengerflowanalysisdatagridvo.setdata(datagrids);
storefrontpassengerflowanalysisdatagridvo.setrecordstotal(datagrids.size());
logger.info("end datagrid costs:{} ms",(system.currenttimemillis() - begin));
return storefrontpassengerflowanalysisdatagridvo;
}

/**

* 建立excel表頭
** @param datarow 行資料
*/public void createexcelheader(sxssfworkbook workbook,sxssfrow datarow)

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