var jsonMPath = "modules\json.lua".GetDLLRunDir();
if (!File.Exists(jsonMPath)) throw new Exception($"modules\json.lua 不存在!");
Script script = new Script();
var dv = script.DoFile(jsonMPath);
script.Globals["json"] = dv;
var scriptCode = $@"
t=json.encode({{1,2,3}});
return t
";
DynValue res = script.DoString(scriptCode);