Я исправил эту проблему с помощью следующего кода.
var vExportContent = grid.getExcelXml();
var dataURL = 'export.jsp';
params =[{
name: 'ex',
value: vExportContent
},{
name: 'FileName',
value: 'excel.xls'
}];
post_to_url(dataURL, params, 'post');
function post_to_url(path, params, method) {
method = method || "post";
var form = document.createElement("form");
form.setAttribute("method", method);
form.setAttribute("action", path);
for(var i=0; i<params.length; i++) {
var hiddenField = document.createElement("input");
hiddenField.setAttribute("type", "hidden");
hiddenField.setAttribute("name", params[i].name);
hiddenField.setAttribute("value", params[i].value);
// alert(params[i].value);
form.appendChild(hiddenField);
}
document.body.appendChild(form);
form.submit();
}
export.jsp
<%@ page language="java" pageEncoding="UTF-8"%>
<%
response.setHeader("Pragma","public");
response.setHeader("Expires","0");
response.setHeader("Cache-Control","must-revalidate, post-check=0, pre-check=0");
response.setHeader("Content-Type","application/force-download");
response.setHeader("Content-Type","application/vnd.ms-excel");
response.setHeader("Content-Disposition", "attachment; filename=export2excel.xls");
%>
<%@ page import="java.io.*" %>
<%
String h=request.getParameter("ex");
try {
PrintWriter pw = response.getWriter();
//out.println(request.getParameter("ex"));
pw.println(request.getParameter("ex"));
//clean up
pw.close();
} catch(IOException e) {
out.println(e.getMessage());
}
%>