前台：.js
//上传附件
function uploadAttachment() {
if ($("#Tipbind").attr('checked')) {
var ip = $("#TunBandIP").val();
if ($.trim(ip) == 0) {
return $.messager.show({ title: '提示', msg: '请先选择IP' });
}
$('#ImprotDlg').dialog('open');
uploadFy(ip);
$("#T_ExcelName").val("");
$("#T_SheetName").val("");
}
else {
$.messager.show({ title: '提示', msg: '只有绑定的ip才能上传附件' });
}
} var oncomplete = false;
function uploadFy(ip) {
$("#uploadify").uploadify({
'swf': '/Scripts/uploadify/uploadify.swf',
'uploader': '/AjaxTerminalInfo/UploadAttachments.cspx',
'formData': { 'ip': ip },
'folder': '/Attachments',
'queueID': 'fileQueue',
'method': 'get',
'auto': false,
'sizeLimit': 20480000,
'multi': true,
'fileDesc': '请选择文件',
'fileExt': '*',
'width': 110,
'height': 28,
'buttonText': '请选择文件',
'scriptData': {},
'onSelect': function (e, queueId, fileObj) {
qId = queueId; },
'onUploadSuccess': function (file, data, response) {
var datamsg = eval(" val= (" + data + ")"); if (datamsg.Success) {
$.messager.show({ title: '提示', msg: datamsg.Success });
$('#ImprotDlg').dialog('close');
} else {
$.messager.show({ title: '提示', msg: datamsg.Error });
}
oncomplete = true;
},
'onUploadError': function (file, errorCode, errorMsg, errorString) {
if (file.size > 20480000) {
$.messager.show({ title: '提示', msg: "上传文件不能超过20M" });
}
},
'onCancel': function (file) { }
});
} //开始上传
function uploadFile() {
var filename = $("#T_ExcelName").val();
if (filename == '') {
$.messager.show({ title: '提示', msg: '请选择上传文件！' });
return;
}
$('#uploadify').uploadify('upload', '*');
} //取消上传
function cancelUploadFile() {
$('#uploadify').uploadify('cancel', '*');
$('#ImprotDlg').dialog('close');
} //查看附件
function showAttachment() {
var ip = $("#TunBandIP").val();
if ($.trim(ip) == 0) {
return $.messager.show({ title: '提示', msg: '请先选择IP' });
}
$("#attachmentDlg").dialog('open'); var dgObj = {
queryParams: { ip: ip },
singleSelect: true,
url: '/AjaxTerminalInfo/GetAttachmentsByIp.cspx',
method: 'get',
border: false,
toolbar: [{
text: '下载',
iconCls: 'icon-import',
handler: function () {
var row = $("#dg").datagrid('getChecked');
if (row.length == 0) {
return $.messager.show({ title: '提示', msg: '请先选择文件进行下载' });
}
for (var i = 0; i < row.length; i++) {
$('#attachmentForm').attr('action', '/AjaxTerminalInfo/DownloadAttachment.cspx?filepath=' + row[i].FilePath + "&filename=" + row[i].FileName);
$('#attachmentForm').submit();
} }
}, {
text: '删除',
iconCls: 'icon-no',
handler: function () {
alert(1)
}
}],
columns: [[
{ field: 'ck', checkbox: true },
{ field: 'FileName', title: '文件名', width: 310, align: 'left', halign: 'center' },
{ field: 'UploadDateTime', title: '上传日期', width: 120, align: 'center' }
]]
}; $("#dg").datagrid(dgObj);
}
/// <summary>
/// 删除文件
/// </summary>
/// <param name="filepath"></param>
/// <param name="filename"></param>
/// <returns></returns>
[Action]
[SessionMode(SessionMode.Support)]
public Object DeleteAttachment(string filepath, string filename)
{
Message message = new Message();
try
{
//判断文件是不是存在
if (File.Exists(filepath))
{
//如果存在则删除
File.Delete(filepath);
message.Success = "删除文件成功";
message.data = true;
}
else
{
message.Success = "文件不存在";
message.data = false;
}
return JsonConvert.SerializeObject(message);
}
catch (Exception e)
{
log.Debug("出错原因：" + e.Message);
message.Error = "删除文件失败：" + e.Message;
message.data = false;
return JsonConvert.SerializeObject(message);
}
}
后台：.cs
/// <summary>
/// 上传附件
/// </summary>
/// <returns></returns>
[Action]
[SessionMode(SessionMode.Support)]
public object UploadAttachments()
{
var message = new Message();
try
{
HttpPostedFile file = HttpContext.Current.Request.Files["Filedata"];
var ip = HttpContext.Current.Request.Params["ip"];
string path = "/Attachments/" + ip + "/";//相对路径 if (file != null && file.ContentLength > )
{
string savePath = Path.Combine(HttpContext.Current.Server.MapPath(path));
if (!Directory.Exists(savePath))
Directory.CreateDirectory(savePath);
file.SaveAs(savePath + file.FileName);
message.Success = "上传成功";
}
else
{
message.Error = "文件不能为空";
}
}
catch (Exception e)
{
log.Debug("出错原因：" + e.Message);
message.Error = "出错原因：" + e.Message;
throw;
}
return JsonConvert.SerializeObject(message);
} /// <summary>
///
/// </summary>
/// <returns></returns>
[Action]
[SessionMode(SessionMode.Support)]
public object GetAttachmentsByIp(string ip)
{
try
{
string path = "/Attachments/" + ip + "/";//相对路径
string savePath = Path.Combine(HttpContext.Current.Server.MapPath(path));
var dgData = new DataGridData<DiyFile>();
string[] fileNames = Directory.GetFiles(savePath);
foreach (var fileName in fileNames)
{
var fi = new FileInfo(fileName);
var fileinfo = new DiyFile();
fileinfo.FileName = fi.Name;
fileinfo.FilePath = fileName;
fileinfo.UploadDateTime = fi.LastAccessTime;
dgData.rows.Add(fileinfo);
}
dgData.total = fileNames.Count();
var dgJson = JsonConvert.SerializeObject(dgData);
return dgJson;
}
catch (Exception e)
{
log.Debug("出错原因：" + e.Message);
throw;
}
} [Action]
[SessionMode(SessionMode.Support)]
public void DownloadAttachment(string filepath,string filename)
{
try
{
using (var fs = new FileStream(filepath, FileMode.OpenOrCreate))
{
var bytes = new byte[(int)fs.Length];
fs.Read(bytes, , bytes.Length);
fs.Close();
HttpContext.Current.Response.Clear();
HttpContext.Current.Response.ContentType = "application/octet-stream";
//通知浏览器下载文件而不是打开
HttpContext.Current.Response.AddHeader("Content-Disposition", "attachment; filename=" + HttpUtility.UrlEncode(filename, Encoding.UTF8));
HttpContext.Current.Response.BinaryWrite(bytes);
HttpContext.Current.Response.Flush();
fs.Close();
}
}
catch (Exception e)
{
log.Debug("出错原因：" + e.Message);
throw;
}
}