public string ajax(HttpRequest req)
{
if (!CheckUser())
{
return(JsonResultHelper.GetLoginErrorJson("登录已过期！"));
}
string type = req["type"];
string json = "";
switch (type)
{
case "Delete":
json = Delete(req);
break;
case "New":
json = New(req);
break;
case "Edit":
json = Edit(req);
break;
case "Index":
json = Index(req);
break;
default:
return(JsonResultHelper.GetErrorJson("type参数不正确"));
}
return(json);
}