我正在尝试从JSON对象数组生成我的控制器上的excel文件。我只传递了一个JSON对象，并且我使用的相同方法似乎不适用于Lists或JSON数组。
AJAX生成对象：
$.ajax({
type: "GET",
url: '/home/GetInfoToExportCalgary',
success: function (data) {
//console.log(data);
CalgaryBookingInfo = data;
for (var i = 0; i < CalgaryBookingInfo.length; i++) {
if (CalgaryBookingInfo[i].length != 0) {
//console.log(CalgaryBookingInfo[i][0].Company + " has bookings")
var SumTime = 0;
for (var j = 0; j < CalgaryBookingInfo[i].length; j++)
{
CalgaryNotNullBookings.push({
Company: CalgaryBookingInfo[i][j].Company,
Location: CalgaryBookingInfo[i][j].Location,
PaidHours: CalgaryBookingInfo[i][j].HoursPaid,
Start: CalgaryBookingInfo[i][j].Start,
End: CalgaryBookingInfo[i][j].End,
Time: CalgaryBookingInfo[i][j].Time,
Total: SumTime + CalgaryBookingInfo[i][j].Time
});
SumTime += CalgaryBookingInfo[i][j].Time;
}
CalgaryNotNullBookings.push({
Company: "",
Location: "",
PaidHours: "",
Start: "",
End: "",
Time: "",
Total: SumTime
});
}
}
console.log(CalgaryNotNullBookings);
//buildHtmlTable(RetreivedClients);
}
})
AJAX发送数组：
这里我只是发送一个POST，其中包含我之前生成的数据，并在单击按钮时调用。
function ExportCalgary(data) {
$.ajax({
type: "POST",
url: '/home/ExportCalgary',
data: data,
success: function (data) {
console.log("huehuehuehuehueh");
if (data.status) {
//Refresh the calender
//location.reload();
$('#myModalSave').modal('hide');
}
},
error: function () {
alert('Failed');
}
})
}
控制器POST功能：
[HttpPost]
public JsonResult ExportCalgary(List<ClientBookingInfo> e)
{
var status = false;
//string[] columns = { "Company", "Location", "PaidHours", "Start", "End", "Time" , "Total" };
//byte[] filecontent = ExcelExportHelper.ExportExcel(dataToConvert, "Technology", true, columns);
//return File(filecontent, ExcelExportHelper.ExcelContentType, "CalgaryClientInfo_" + DateTime.Now.Year+"_" + DateTime.Now.Month + ".xlsx");
ExcelPackage excel = new ExcelPackage();
var workSheet = excel.Workbook.Worksheets.Add("Sheet1");
workSheet.TabColor = System.Drawing.Color.Black;
workSheet.DefaultRowHeight = 12;
//Header of table
//
workSheet.Row(1).Height = 20;
workSheet.Row(1).Style.HorizontalAlignment = ExcelHorizontalAlignment.Center;
workSheet.Row(1).Style.Font.Bold = true;
workSheet.Cells[1, 1].Value = "Company";
workSheet.Cells[1, 2].Value = "Location";
workSheet.Cells[1, 3].Value = "PaidHours";
workSheet.Cells[1, 4].Value = "Start";
workSheet.Cells[1, 5].Value = "End";
workSheet.Cells[1, 6].Value = "Time";
workSheet.Cells[1, 7].Value = "Total";
//Body of table
//
int recordIndex = 2;
for(int i = 0; i < e.Count; i++)
{
workSheet.Cells[recordIndex, 1].Value = e[i].Company;
workSheet.Cells[recordIndex, 2].Value = e[i].Location;
workSheet.Cells[recordIndex, 3].Value = e[i].PaidHours;
workSheet.Cells[recordIndex, 4].Value = e[i].Start;
workSheet.Cells[recordIndex, 5].Value = e[i].End;
workSheet.Cells[recordIndex, 6].Value = e[i].Time;
workSheet.Cells[recordIndex, 7].Value = e[i].Total;
recordIndex++;
}
workSheet.Column(1).AutoFit();
workSheet.Column(2).AutoFit();
workSheet.Column(3).AutoFit();
workSheet.Column(4).AutoFit();
workSheet.Column(5).AutoFit();
workSheet.Column(6).AutoFit();
workSheet.Column(7).AutoFit();
string excelName = "CalgaryClientInfo_" + DateTime.Now.Year+"_" + DateTime.Now.Month;
using (var memoryStream = new MemoryStream())
{
Response.ContentType = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";
Response.AddHeader("content-disposition", "attachment; filename=" + excelName + ".xlsx");
excel.SaveAs(memoryStream);
memoryStream.WriteTo(Response.OutputStream);
Response.Flush();
Response.End();
status = true;
}
return new JsonResult { Data = new { status = status } };
}
目前，当我调试时，List “ClientBookingInfo e”返回NULL，我不确定会出现什么问题。它可能是JSON的编码或数据类型吗？我是否遗漏了一些行，这些行指定我发送的JSON将是一个数组？
此处还有类ClientBookingInfo：
public class ClientBookingInfo
{
public string Company { get; set; }
public string Location { get; set; }
public int PaidHours { get; set; }
public DateTime Start { get; set; }
public DateTime End { get; set; }
public int Time { get; set; }
public double Total { get; set; }
}
提前致谢！ ：）
答案 0 :(得分：1)
发布复杂数据时，您应该发送对象的JSON字符串版本，同时将contentType指定为application/json
您可以使用JSON.stringify方法将数组转换为相应的json字符串。
var data = [];
data.push({ Company: "Microsoft", Location: "Redmond" , Total:123 });
data.push({ Company: "UrbanScience", Location:"Detroit", Total:456 });
$.ajax({
type: "POST",
url: '@Url.Action("ExportCalgary")',
data: JSON.stringify(data),
contentType: "application/json",
success: function(data) {
console.log("data :", data);
// Do something with the response
},
error: function() {
alert('Failed');
}
});
现在，模型绑定器将能够正确绑定ajax请求中的数据，并且您的操作方法参数中不会出现null。
另外，通过ajax下载文件可能不起作用。考虑对您的action方法执行正常（非ajax）表单提交，该方法可以返回文件。此外，如果构建文件所需的数据在服务器代码中可用（让我们说它位于可以读取的db表中），我建议您发送所需的最小数据（如唯一的{{1服务器并让服务器读取数据并使用此Id并使用它来返回文件。
如果你可以将id传递给可以返回文件的action方法，你可以使用Id方法从javascript调用它。
window.open或将当前网址设置为下载网址
window.open("/Documents/Download?id=2");
假设您有window.location.href = "/Documents/Download?id=2";
操作方法，该方法采用Download参数并返回文件。