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給個我之前的寫的例子給你action?層public?ActionForward?dataExport(ActionMapping?mapping,?ActionForm?form,

HttpServletRequest?request,?HttpServletResponse?response)?{

try?{

response.setContentType("application/vnd.ms-excel;charset=UTF-8");

String?filenames?=?"數據報表32313133353236313431303231363533e78988e69d8331333337383934_"+new?Date().getTime()+".xls";

HttpUtil.setFileNameDownloadHeader(request,?response,?filenames);

OutputStream?os?=?response.getOutputStream();

service.expdataReport(request,?os);

response.flushBuffer();

os.close();

}?catch?(RowsExceededException?e)?{

e.printStackTrace();

}??catch?(WriteException?e)?{

e.printStackTrace();

}?catch?(Exception?e)?{

e.printStackTrace();

}

return?null;

}

service層public?void?expdataReport(HttpServletRequest?request,?OutputStream?os)

throws?IOException,?RowsExceededException,?WriteException?{

String?itemid?=?request.getParameter("itemInfo");

if?(StringUtils.isEmpty(itemid))?{

return;

}

String?hql?=?getZhiJianHql(request);

Map?map?=?new?HashMap();

map.put("itemid",?itemid);

List?list?=?(List)?basedao

.getObjectsByCondtions(ItemReportTemplate.class,?map,?null);

WritableWorkbook?wbook?=?Workbook.createWorkbook(os);?//?工作表

WritableSheet?sheet?=?wbook.createSheet("數據報表",?0);//?生成名為“sheet1”的工作表，參數0表示這是第一頁

WritableFont?times16font?=?new?WritableFont(WritableFont.ARIAL,?10,

WritableFont.BOLD,?false,?UnderlineStyle.NO_UNDERLINE,

Colour.GRAY_50);

WritableCellFormat?times16format?=?new?WritableCellFormat(times16font);?//?字體樣式

ReportUtils.parseExcelHeader(sheet,?times16format,?list);

List?list_c?=?(List)?basedao

.ExcuteHQL(hql.toString());

if?(list_c?!=?null?&&?list_c.size()?>?0)?{

for?(int?j?=?0;?j?

for?(int?i?=?0;?i?

ReportUtils.parseExcelCell(list.get(i),?list_c.get(j),

sheet,?i,?j?+?1);

}

}

}

wbook.write();

wbook.close();

}

總結

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