利用noesis.Javascript开源组件.Net中执行javascript脚本(2)

private void btnTest_Click(object sender, EventArgs e)
        {
            using (JavascriptContext context = new JavascriptContext())
            {
                Stopwatch sw = new Stopwatch();
                sw.Start();
                int i=1000000;
                while(i-- > 0)
                {
                    context.SetParameter("ii", 1);
                    context.SetParameter("jj", 2);
                    context.SetParameter("sum", 0);
                    string js = string.Format(@"sum=ii+jj;");
                    context.Run(js);
                    int sum = (int)context.GetParameter("sum");
                }
                sw.Stop();

long useJS_Total = sw.ElapsedMilliseconds;
                float useJS_Average = ((float)sw.ElapsedMilliseconds) / 1000000;

sw.Reset();
                sw.Start();
                i = 1000000;
                while (i-- > 0)
                {
                    int ii = 1;
                    int jj = 2;
                    int sum = 0;
                    sum = ii + jj;
                }
                sw.Stop();

long nouseJS_Total = sw.ElapsedMilliseconds;
                float nouseJS_Average = ((float)sw.ElapsedMilliseconds) / 1000000;

string msg = "";
                msg += string.Format("useJS_Total: {0}\r\n", useJS_Total);
                msg += string.Format("useJS_Average: {0}\r\n\r\n\r\n", useJS_Average);
                msg += string.Format("nouseJS_Total: {0}\r\n", nouseJS_Total);
                msg += string.Format("nouseJS_Average: {0}\r\n\r\n\r\n", nouseJS_Average);

MessageBox.Show(msg);
            }
        }