<script type="text/javascript"> function DownLoad(strUrl) { var form = $("<form>"); //定义一个form表单 form.attr('style','display:none'); //在form表单中添加查询参数 form.attr('target',''); form.attr('method','post'); form.attr('action',"/QuestionInfo/DowmLoad");
var input1 = $('<input>'); input1.attr('type','hidden'); input1.attr('name','strUrl'); input1.attr('value',strUrl); $('body').append(form); //将表单放置在web中 form.append(input1); //将查询参数控件提交到表单上 form.submit();
} </script>
后台代码
#region 文档下载 /// <summary> /// 文件下载函数 /// </summary> /// <param name="fileUrl"></param> /// <returns></returns> [HttpPost] public void DowmLoad(string strUrl) { try { string fullPathUrl = Server.MapPath(strUrl);//获取下载文件的路劲 System.IO.FileInfo file = new System.IO.FileInfo(fullPathUrl);
if (file.Exists)//判断文件是否存在 { Response.Clear(); Response.ClearHeaders(); Response.Buffer = false; Response.AddHeader("content-disposition","attachment;filename=" + file.Name); Response.AddHeader("cintent_length","attachment;filename=" + HttpUtility.UrlDecode(file.Name)); Response.AddHeader("cintent_length",file.Length.ToString()); Response.ContentType = "application/octet-stream"; Response.WriteFile(file.FullName);//通过response对象,执行下载操作 Response.Flush(); Response.End(); } } catch(Exception e) { Console.Write(e.ToString()); }
} (编辑:李大同)
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