1. 需要的js
/** * 弹出下载Excel窗口 * */ function popResetVoucherCode(param) { var url = "***Controller.do?**functionOne"; url += ("¶m=" + param); $.dialog.setting.zIndex = getzIndex(true); if (typeof(windowapi) == 'undefined') { $.dialog({ content: "url:" + url, zIndex: getzIndex(), lock: true, title: $.i18n.prop('dialog.reset.voucher.code.select'), 700, height: 300, ok: function () { iframe = this.iframe.contentWindow; var saveUrl = "***Controller.do?**functionTwo"; $("#formobj",iframe.document).attr('action',saveUrl); //通过jquery为action属性赋值 saveObj(); return false; }, okVal: '下载', cache: false, cancelVal: $.i18n.prop('dialog.close'), cancel:true /*为true等价于function(){}*/ }); } else { $.dialog({//使用W，即为使用顶级页面作为openner，造成打开的次级窗口获取不到关联的主窗口 content: 'url:' + url, lock: true, width, zIndex: getzIndex(), height: height, parent: windowapi, title: title, opacity: 0.3, ok: function () { iframe = this.iframe.contentWindow; var saveUrl = "***Controller.do?**function"; $("#formobj",iframe.document).attr('action',saveUrl); //通过jquery为action属性赋值 saveObj(); return false; }, okVal: '下载', cache: false, cancelVal: $.i18n.prop('dialog.close'), cancel: true /*为true等价于function(){}*/ }); } } /** * Jeecg Excel 导出 * 代入查询条件 * url: 后台处理地址 * atagridId 需要刷新的datagrid的标识位 */ function JeecgExcelExport(url,datagridId){ var queryParams = $('#'+datagridId).datagrid('options').queryParams; $('#'+datagridId+'tb').find('*').each(function() { queryParams[$(this).attr('name')] = $(this).val(); }); var params = '&'; $.each(queryParams, function(key, val){ params+='&'+key+'='+val; }); var fields = '&field='; $.each($('#'+ datagridId).datagrid('options').columns[0], function(i, val){ if(val.field != 'opt'){ fields+=val.field+','; } }); var id='&id='; $.each($('#'+ datagridId).datagrid('getSelections'), function(i, val){ id+=val.id+","; }); window.location.href = url+ encodeURI(fields+params+id); } // 表单提交，触发 $(document).ready(function() { //表单提交 $("#formobj").Validform({ btnSubmit : "#btn_sub", btnReset : "#btn_reset" }); });
2.jsp 操作下载Excel 的窗口
<%@ page language="java" import="java.util.*" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" %> <%@include file="/context/mytags.jsp" %> <!DOCTYPE html> <html> <head> <title>下载Excel</title> <link href="${webRoot}/plug-in/tools/css/metrole/common.css" rel="stylesheet" type="text/css"> <t:base type="jquery,easyui,tools,DatePicker,validform"></t:base> <script src="${webRoot}/plug-in/lhgDialog/lhgdialog.min.js"></script> <script src="${webRoot}/plug-in/jquery-plugs/i18n/jquery.i18n.properties.js"></script> <script src="${webRoot}/plug-in/tools/curdtools.js"></script> <script src="${webRoot}/plug-in/easyui/extends/datagrid-groupview.js"></script> <link href="${webRoot}/plug-in/tools/css/metrole/common.css" rel="stylesheet" type="text/css"> <link rel="stylesheet" href="${webRoot}/plug-in/bootstrap-select-1.13.2/dist/css/bootstrap-select.min.css"> <script src="${webRoot}/plug-in/bootstrap-select-1.13.2/js/bootstrap-select.js"></script> <%@ include file="/webpage/common/select2.jsp" %> <script type="text/javascript"> $(function () {}); </script> </head> <body style="overflow-y: hidden" scroll="no"> <t:formvalid formid="formobj" refresh="true" dialog="true" action="***Controller.do?**functionTwo" layout="table"> <br> <table cellpadding="0" cellspacing="1" class="formtable"> <tbody> <tr> <td align="right" style=" 25%"> <label class="Validform_label">主体:</label> </td> <td class="value" style=" 75%"> <input type="text" style=" 90%" class="text conditionValue" value="${**Name}"> <input name="id" type="hidden" value="${**Id}"> </td> </tr> <tr> <td align="right"> <label class="Validform_label">条件:</label> </td> <td class="value"> <select name="entityName" id="entityName" style=" 90%;margin-right: 20px;padding-top: 0px;" class="input-sm useWith"> <c:forEach items="${**Map}" var="entry" varStatus="vs"> <option value="${entry.key}" > ${entry.value}</option> </c:forEach> </select> </td> </tr> </tbody> </table> </t:formvalid> </body> </html>
3.1 后台处理方式一：
@RequestMapping(params = "voucherDownBill") public String **FunctionTwo(HttpServletRequest request, HttpServletResponse response, ModelMap map) { AjaxJson resultJson = new AjaxJson(); Class clazz = null; List list = new ArrayList(); list.add(entity); String fileName = "导出文件标题"; try { ExportParams params = new ExportParams(fileName + "列表", fileName, ExcelType.HSSF); Workbook workbook = ExcelExportUtil.exportExcel(params, clazz, list); SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd"); response.setHeader("Content-disposition", "attachment; filename=" + URLEncoder.encode(fileName + "列表" + dateFormat.format(new Date()) + "" + ".xls", "UTF-8"));// 组装附件名称和格式 ServletOutputStream out = response.getOutputStream(); workbook.write(out); out.flush(); out.close(); }catch (IOException e){ e.printStackTrace(); logger.error("导出失败"); } return NormalExcelConstants.JEECG_EXCEL_VIEW; }
3.2 后台处理方式二：
@RequestMapping(params = "voucherDownBill") public String **FunctionTwo(HttpServletRequest request, HttpServletResponse response, ModelMap map) { AjaxJson resultJson = new AjaxJson(); Class clazz = null; List list = new ArrayList(); Entity entity = new Entity(); entity.set(***); clazz = entity.getClass(); list.add(entity); String fileName = "导出文件标题"; map.put(NormalExcelConstants.FILE_NAME, fileName); map.put(NormalExcelConstants.CLASS, clazz); map.put(NormalExcelConstants.PARAMS, new ExportParams(fileName + "列表", "导出人:"+ ResourceUtil.getSessionUser().getRealName(), "导出信息")); map.put(NormalExcelConstants.DATA_LIST, list); return NormalExcelConstants.JEECG_EXCEL_VIEW; }