我正在尝试通过ajax下载或至少打开生成的csv文件。我已经设法记录了输出,一切都很好。是否可以通过 ajax 执行此操作,或者我必须尝试其他方式?控制器
[HttpPost]
public FileResult GenerateEventLogsReport([FromBody]GenericReportDateViewModel Input)
{
var report = eventLogsData.Report(Input.StartDate, Input.EndDate);
var sb = new StringBuilder();
foreach(var item in report)
{
sb.AppendLine(item.Id + "," + item.Identity + "," + item.Level + "," + item.Logger + "," + item.Message + "," + item.TimeStamp + "," + item.Action);
}
return File(new UTF8Encoding().GetBytes(sb.ToString()),"text/csv","EventLogs_"+ Input.StartDate +"_to_"+ Input.EndDate +".csv");
}
阿贾克斯
var event_form_data = {
"StartDate": $("#eventStartDate").val(),
"EndDate": $("#eventEndDate").val(),
};
$.ajax({
url: "@Url.Action("GenerateEventLogsReport", @ViewContext.RouteData.Values["controller"].ToString())",
method: "POST",
data: JSON.stringify(event_form_data),
contentType: "application/json",
success: function (result) {
console.log(result);
window.open("data:application/csv", result, "_blank");
},
error: function (error) {
console.log(error);
}
});
简而言之,您需要创建一个锚点,将结果的对象 URL 分配给 href,然后对其调用click()
。此外,$.ajax
调用需要指定你期待 blob 响应,因为 jQuery 中的默认设置是将响应视为文本。归根结底是如下所示的代码:
$.ajax({
url: "@Url.Action("GenerateEventLogsReport", @ViewContext.RouteData.Values["controller"].ToString())",
method: "POST",
xhrFields: {
responseType: 'blob'
},
data: JSON.stringify(event_form_data),
contentType: "application/json",
success: function (result) {
var a = document.createElement('a');
var url = window.URL.createObjectURL(result);
a.href = url;
a.download = 'report.csv';
document.body.append(a);
a.click();
a.remove();
window.URL.revokeObjectURL(url);
},
error: function (error) {
console.log(error);
}
});
我还有一个工作代码笔来演示。