.NET Core NPOI导出Word,浏览器下载

后台

 public MemoryStream GetLavPrintMS(InvPrintDTO dto)
        {
            using var ms = new MemoryStream();
            string sqlStr = @"";
            var table = GetDataTable(sqlStr);
            var list = DataTableHelper.DataTableToList<DTO>(table);
            var doc = CreateWordData(list);
            doc.Write(ms);
            byte[] buffer = ms.ToArray();
            return new MemoryStream(buffer);
        }

 private XWPFDocument CreateWordData(List<DTO> list)
        {
            var doc = new XWPFDocument();
            foreach (var item in list)
            {
                var row = doc.CreateParagraph().CreateRun();
                row.SetText(item.BatchNo);
                row.IsBold = true;
                row.FontSize = 12;

                //创建table
                var table = doc.CreateTable(3, 2);
                table.Width = 5000;
               
                doc.CreateParagraph();//创建空白行
            }
            return doc;
        }

控制器：

public FileResult PrintLabel([FromBody] DTO dto)
        {
            var stream = _service.GetLavPrintMS(dto);
            return File(stream, "text/plain", "test.docx");
        }

前端：

HTML

       <button type="button" onclick="Print()">
                        <span>
                            <i class="la la-print"></i>
                            <span>Print</span>
                        </span>
                    </button>

js:

function Print(){
          var oReq = new XMLHttpRequest();
                oReq.open("POST", '/Print', true);
                oReq.setRequestHeader('Content-type', 'application/json;');
                oReq.responseType = "blob";
                oReq.onload = function(oEvent) {
                    QISLoading.Hide();
                    var content = oReq.response;
                    var blob = new Blob([content]);

                   
                        var elink = document.createElement('a');
                        elink.download = fileName;
                        elink.style.display = 'none';
                        elink.href = URL.createObjectURL(blob);
                        document.body.appendChild(elink);
                        elink.click();
                        document.body.removeChild(elink);
                    
                };
                oReq.send(JSON.stringify(DTO));
}