我需要下载列表数据为.xls file.my Controller代码。
[HttpGet]
public void AttendeeListToExport()
{
string campaign_id = string.Empty;
campaign_id = ((MemberProfile)HttpContext.Current.Profile).HOWCampaignID;
AutoCRM.Services.HOW.Attendee.Manage manage = new AutoCRM.Services.HOW.Attendee.Manage();
DataSet lst = manage.AttendeeListToExport(campaign_id);
if (lst != null)
{
if (lst.Tables[0].Rows.Count > 0)
{
DataTable dt = lst.Tables[0];
// Export all the details to Excel
string filename = campaign_id + "_" + DateTime.Now.ToString("ddMMyyyy") + ".xls";
Export objExport = new Export();
objExport.ExportDetails(dt, Export.ExportFormat.Excel, filename);
}
}
}
JS代码
$('#exportToExcel').on("click", function () {
alert('hi');
$.ajax({
url: "/api/Attendee/AttendeeListToExport",
async: true,
cache: false,
success: function (result) {
alert(result);
}
});
});
代码正确执行,但文件不下载
您可以通过以下方式通过JavaScript下载文件:
使用HiddenFrame:
var downloadURL = function downloadURL(url) {
var iframe;
var hiddenIFrameID = 'hiddenDownloader';
iframe = document.getElementById(hiddenIFrameID);
if (iframe === null) {
iframe = document.createElement('iframe');
iframe.id = hiddenIFrameID;
iframe.style.display = 'none';
document.body.appendChild(iframe);
}
iframe.src = url;
}
使用jQuery:
$('a').click(function(e) {
e.preventDefault(); //stop the browser from following
window.location.href = 'uploads/file.doc';
});
<a href="no-script.html">Download now!</a>
如果您的控制器操作返回了文件,则可以从JavaScript函数下载此信息:
$('#exportToExcel').on("click", function () {
window.open("/api/Attendee/AttendeeListToExport", "_blank");
});
您无法使用AJAX下载文件。您必须使用隐藏的iframe或直接链接到文件。