前台：Post
$.ajax({

url: "@Url.Action("Save", "UserFun")",

type: "post",

data: { id: id, "LeaderSayExpand": LeaderSayExpand, },

dataType: "json",

success: function (d) {

if (d.Success) {

if (typeof top.frames[].setLeaderSay === "function")

{

  top.frames[].setLeaderSay(LeaderSayExpand);

}

alert("保存成功！");

TopLayerClose();

}

else {

alert("保存失败！")

}

}

})

后台：

[HttpPost]
public JsonResult SaveLeaderSay()
{
var user = (BJCreation.UserSystem.Domain.User)Session[BJCreation.Helper.Utilies.SessionHelper.SESSION_USER];
BJCreation.Helper.Utilies.ReqMsg result = new BJCreation.Helper.Utilies.ReqMsg();
try
{
var form = ControllerContext.RequestContext.HttpContext.Request.Params;
var LeaderSay = form["LeaderSayExpand"];
var id = form["id"];
IntelligenceNotice temp = new IntelligenceNotice();
temp = IntelligenceNoticeService.Get(id);
IntelligenceNotice obj = new IntelligenceNotice();
temp.LeaderSay = LeaderSay;
IntelligenceNoticeService.Save(temp);
result.Success = true;
}
catch (Exception ex)
{
CreLog.Error(ex);
result.Success = false;
}
return Json(result, JsonRequestBehavior.AllowGet);
}

前台：Get
$.ajax({

url: "@Url.Action("GetAttachmentList", "AttachmentFun")?id=" + id,  //往后台传参

type: "get",

success: function (d) {

$.each(d, function (idx, obj) {

if (obj.Id != null) {

     alert(obj.Id);

 }

 });

}

});
后台：

public JsonResult GetAttachmentList(string id,string DataSource) {
DataSource = string.IsNullOrEmpty(DataSource) ? "1" : DataSource;
var list = AttachmentService.GetAttachments(id, DataSource);
if ("2".Equals(DataSource))
{
for (int i = 0; i < list.Count; i++)
{
list[i].DataSource = DataSource;
if (list[i].Type != null)
{
if (list[i].Type == "1")
{
var url = list[i].Url;
list[i].Url = JqzbWebUrl + "upload_files/" + url;
}
else if (list[i].Type == "2" || list[i].Type == "3")
{
var url = list[i].Url;
list[i].Url = JqzbWebUrl + "output/" + url;
}
}
}
}
else {
foreach (var item in list)
{
var url = item.Url;
item.Url = FileWebUrl + url;
item.DataSource = DataSource;
}
}
return Json(list, JsonRequestBehavior.AllowGet);
}