Html>>>>>>>>>
<form id="Job_Notice_Form" method="post" enctype="multipart/form-data">
<div id="f" >
<div id="zhi"> <div style="display:none">
<div id="content">
<input id="File1" type="file" name="file" style=" 450px;" />
<a id="jian" href="#" class="easyui-linkbutton" data-options="iconCls:'icon-delete'">删除</a>
<br />
</div>
</div>
</div>
</div>
<a id="tianjia" href="#" class="easyui-linkbutton" data-options="iconCls:'icon-add'">添加</a>
<a id="tianjia" href="#" class="easyui-linkbutton" onclik="Save()" data-options="iconCls:'icon-Save'">保存</a>
</form>
JS>>>>>>
<script type="text/javascript">
$(function () {
//跟添加按钮绑定点击事件
$("#tianjia").bind("click", function () {
//克隆id=content下面的元素。添加到id=zhi的div里面
$("#content").clone(true).appendTo("#zhi");
});
//删除file控件操作
$("#jian").click(function () {
//查找上传控件的个数
var shu = $("#zhi").find("#content").size();
//如果有多，就删除掉
$(this).parent().remove();
});
});
function DelFile(id) {
$("#zhi").append(' <input name="DelFile" value="' + id + '" type="hidden" />')
}
funtion Eidt()//修改
{
var result = $.ajax({
url: "/View/Car/Ashx/CS_New_FileHandler.ashx",
data: { action: 'GetFileList', IdSet: row.FileId, T: Math.floor(Math.random() * 1000000) },
async: false
}).responseText;
var data = eval(result);
if (data != null) {
var list = "";
$.each(data, function (i, n) {
if (n != null) {
list += '<div id="content">';
list += '<a target="_blank" href="' + n.FilePath + '" style=" 350px;" >' + n.FileName + ' </a> ';
list += ' <a href="#" onclick=" $(this).parent().remove();" >删除</a>';
list += ' <input name="DelFile" value="' + n.KeyId + '" type="hidden" />';
list += ' <br />';
list += '</div>';
}
});
top.$('#zhi').append(list);
}
}
funtion Save()
{
//----上传文件
var FileId = "";
top.$("#Job_Notice_Form").form('submit', {
url: "/View/Admin/App/Ashx/Job_File_Handler.ashx?action=add",
onSubmit: function () {
},
success: function (data) {
var d = eval('(' + data + ')');
if (d.Success) {
FileId = d.Data;
var query = top.$("#CS_New_Notice_Form").serializeArray();
var Ishave = "";
var inputObject = top.$('#zhi input');
for (var i = 0; i < inputObject.length; i++) {
if ("hidden" == inputObject[i].type) {
if (inputObject[i].value != "") {
Ishave += inputObject[i].value + ",";
}
}
}
if (Ishave != "") {
Ishave += FileId;
}
else {
Ishave = FileId;
}
query.push({ name: "FileId", value: Ishave });
var o = {};
query = convertArray(query);
o.jsonEntity = JSON.stringify(query);
o.action = "Edit";
o.KeyIds = row.CreateTime;
o.keyid = row.KeyId;
var data = "json=" + JSON.stringify(o);
}
else {
msg.warning(data.Message);
}
}
})
//-End-上传文件
}
</script>
后台》》》》》》
string action = context.Request["action"];
string ComeFrom = "";
if (context.Request["ComeFrom"] != null)
{
ComeFrom = context.Request["ComeFrom"];
}
string JsonMsg = ""; ;
switch (action)
{
case "add":
string FileIdSet = "";
bool IsValid = true;//检查只能为图片,仅小于100k可以上传
string messge = "";
string[] Types = { ".jpg", ".jpeg", ".gif", ".bmp", ".png", ".ico" };
int lenth = 1024 * 100;//一百k
if (context.Request.Files.Count > 0)
{
for (int i = 0; i < context.Request.Files.Count; i++)
{
HttpPostedFile hpFile = context.Request.Files[i];
if (!String.IsNullOrEmpty(hpFile.FileName))
{
string ext = System.IO.Path.GetExtension(hpFile.FileName);
if (!Types.Contains(ext.ToLower()))
{
IsValid = false;
messge = "只能为图片类型";
break;
}
else if (hpFile.ContentLength > lenth)
{
IsValid = false;
messge = "文件不能大于" + lenth / 1024 + "kB";
break;
}
}
}
}
if (context.Request.Files.Count > 0 && IsValid)
{
for (int i = 0; i < context.Request.Files.Count; i++)
{
CS_New_File file = new CS_New_File();
file.ComeFrom = ComeFrom;
HttpPostedFile hpFile = context.Request.Files[i];
if (!String.IsNullOrEmpty(hpFile.FileName))
{
string ext = System.IO.Path.GetExtension(hpFile.FileName);
if (hpFile.ContentType != "image/jpeg" || hpFile.ContentType != "image/pjpeg")
{
file.FileType = ext.Substring(0);
//给文件取随及名
Random ran = new Random();
file.FileName = hpFile.FileName.Substring(hpFile.FileName.LastIndexOf("\") + 1);
string fileName = DateTime.Now.ToString("yyyyMMddhhmmss")+"_" + file.FileName + ext;
//保存文件
string path = context.Request.MapPath(fileName);
string uriString = System.Web.HttpContext.Current.Server.MapPath("~/Upload/").ToString();
file.FilePath = "/Upload/" + path.Substring(path.LastIndexOf("\") + 1);
hpFile.SaveAs(uriString + file.FilePath.Substring(file.FilePath.LastIndexOf("/") + 1));
//提示上传成功
}
/*添加一条信息;*/
int res = CS_New_File_DAL.Instance.Insert(file);
FileIdSet += res + ",";
}
}
}
if (IsValid)
{
if (!String.IsNullOrEmpty(FileIdSet))
{
JsonMsg = new JsonMessage
{
Success = true,
Data = FileIdSet.Substring(0, FileIdSet.Length - 1),
Message = "添加成功"
}.ToString();
}
else
{
JsonMsg = new JsonMessage
{
Success = true,
Data = "0",
Message = "没有数据"
}.ToString();
}
}
else
{
JsonMsg = new JsonMessage
{
Success = false,
Data = "0",
Message = messge
}.ToString();
}
context.Response.Write(JsonMsg);
context.Response.End();
break;
case "GetFileList"://根据id集获取文件列表
string ids = context.Request["IdSet"];
if (!string.IsNullOrEmpty(ids))
{
List<CS_New_File> list = DbUtils.GetList<CS_New_File>(" select * from CS_New_File where KeyId in (" + ids + ")", null).ToList();
context.Response.Write(JSONhelper.ToJson(list));
}
else
{
context.Response.Write("[]");
}
break;
}