static void Main(string[] args)
{
int times = 1000000;
DynamicSample reflectSample = new DynamicSample();
var addMethod = typeof(DynamicSample).GetMethod("Add");
Stopwatch watch1 = Stopwatch.StartNew();
for (var i = 0; i < times; i++)
{
addMethod.Invoke(reflectSample, new object[] { 1, 2 });
}
Console.WriteLine(string.Format("反射耗时：{0} 毫秒", watch1.ElapsedMilliseconds));
dynamic dynamicSample = new DynamicSample();
Stopwatch watch2 = Stopwatch.StartNew();
for (int i = 0; i < times; i++)
{
dynamicSample.Add(1, 2);
}
Console.WriteLine(string.Format("dynamic耗时：{0} 毫秒", watch2.ElapsedMilliseconds));
DynamicSample reflectSampleBetter = new DynamicSample();
var addMethod2 = typeof(DynamicSample).GetMethod("Add");
var delg = (Func <DynamicSample, int, int, int>)Delegate.CreateDelegate(typeof(Func <DynamicSample, int, int, int>), addMethod2);
Stopwatch watch3 = Stopwatch.StartNew();
for (var i = 0; i < times; i++)
{
delg(reflectSampleBetter, 1, 2);
}
Console.WriteLine(string.Format("优化的反射耗时：{0} 毫秒", watch3.ElapsedMilliseconds));
Console.Read();
}
static void Main(string[] args)
{
Console.WriteLine("Hello World!");
var times = 1000000;
DynamicSample dynamicSample = new DynamicSample();
var addMethod = typeof(DynamicSample).GetMethod("Add");
var delg = (Func <DynamicSample, int, int, int>)Delegate.CreateDelegate(
typeof(Func <DynamicSample, int, int, int>), addMethod);
Stopwatch stopwatch1 = Stopwatch.StartNew();
for (int i = 0; i < times; i++)
{
//addMethod.Invoke(dynamicSample, new object?[] { 1, 2 });
delg(dynamicSample, 1, 2);
}
Console.WriteLine($"反射耗时：{stopwatch1.ElapsedMilliseconds}毫秒");
dynamic dynamicSample2 = new DynamicSample();
Stopwatch stopwatch2 = Stopwatch.StartNew();
for (int i = 0; i < times; i++)
{
dynamicSample2.Add(4, 2);
}
Console.WriteLine($"dynamic耗时：{stopwatch2.ElapsedMilliseconds}毫秒");
}