public static void Test()
{
try
{
byte[] org = System.Text.Encoding.GetEncoding("GBK").GetBytes("kadeadedcfdededghkk");
byte[] search = System.Text.Encoding.GetEncoding("GBK").GetBytes("kk");
int last = ArryUtil.lastIndexOf(org, search, 19);
long t1 = 0;
long t2 = 0;
int f1 = 0;
int f2 = 0;
var arr = System.Linq.Enumerable.Range(1, 10000);
//for (int i = 0; i < 10000; i++)
//{
//long s1 = System.nanoTime();
Action act = () =>
{
foreach (var k in arr)
{
f1 = ArryUtil.indexOf(org, search, 0);
}
};
//f1 = ArryUtil.indexOf(org, search, 0);
//long s2 = System.nanoTime();
Action act2 = () =>
{
foreach (var k in arr)
{
f2 = "kadeadedcfdededghkk".IndexOf("kk", 0);
}
};
//f2 = ArryUtil.indexOf(org, search);
//long s3 = System.nanoTime();
//t1 = t1 + (s2 - s1);
//t2 = t2 + (s3 - s2);
//}
System.Diagnostics.Debug.WriteLine("kmp=" + StopWatchMonitor.Stopwatch(act) + ",ali=" +
StopWatchMonitor.Stopwatch(act2));
System.Diagnostics.Debug.WriteLine("f1=" + f1 + ",f2=" + f2);
}
catch (Exception e)
{
}
}
public static void TestArrayReplace()
{
string sourcestr =
"select * from class where #level# in (@param1,@param2,@param3) and !username! in (@param1,@param2,@param3)" +
"select * from class where #level# in (@param1,@param2,@param3) and !username! in (@param1,@param2,@param3)" +
"select * from class where #level# in (@param1,@param2,@param3) and !username! in (@param1,@param2,@param3)" +
"select * from class where #level# in (@param1,@param2,@param3) and !username! in (@param1,@param2,@param3)" +
"select * from class where #level# in (@param1,@param2,@param3) and !username! in (@param1,@param2,@param3)" +
"select * from class where #level# in (@param1,@param2,@param3) and !username! in (@param1,@param2,@param3)" +
"select * from class where #level# in (@param1,@param2,@param3) and !username! in (@param1,@param2,@param3)" +
"select * from class where #level# in (@param1,@param2,@param3) and !username! in (@param1,@param2,@param3)" +
"select * from class where #level# in (@param1,@param2,@param3) and !username! in (@param1,@param2,@param3)" +
"select * from class where #level# in (@param1,@param2,@param3) and !username! in (@param1,@param2,@param3)" +
"select * from class where #level# in (@param1,@param2,@param3) and !username! in (@param1,@param2,@param3)";
string oldstr = "#level#";
string newvalstr = "#username#";
byte[] sourceBytes = Encoding.ASCII.GetBytes(sourcestr.Replace(" ", ""));
byte[] oldBytes = Encoding.ASCII.GetBytes(oldstr.Replace(" ", ""));
byte[] newBytes = Encoding.ASCII.GetBytes(newvalstr.Replace(" ", ""));
string oldstr1 = "!username!";
string newvalstr1 = "#level#";
byte[] oldBytes1 = Encoding.ASCII.GetBytes(oldstr.Replace(" ", ""));
byte[] newBytes1 = Encoding.ASCII.GetBytes(newvalstr.Replace(" ", ""));
string oldstr2 = "@param1,@param2,@param3";
string newvalstr2 = "@param4,@param5,@param6";
byte[] oldBytes2 = Encoding.ASCII.GetBytes(oldstr.Replace(" ", ""));
byte[] newBytes2 = Encoding.ASCII.GetBytes(newvalstr.Replace(" ", ""));
//100万次计算
var arr = System.Linq.Enumerable.Range(1, 1000000);
byte[] oldresult = new byte[] { };
string newresult = "";
//方法1
Action act = () =>
{
foreach (var k in arr)
{
oldresult = ArryUtil.arrayReplace(sourceBytes, oldBytes, newBytes, 0);
}
};
//方法0
Action act0 = () =>
{
foreach (var k in arr)
{
newresult = sourcestr.Replace(oldstr, newvalstr);
}
};
bool boolvariable = (System.Text.Encoding.ASCII.GetString(oldresult) == newresult);
Assert.IsTrue(boolvariable, "相等");
//老的用时
System.Diagnostics.Debug.WriteLine("老的用时" + StopWatchMonitor.Stopwatch(act0));
//array 用时1828
System.Diagnostics.Debug.WriteLine("array 用时" + StopWatchMonitor.Stopwatch(act));
Stopwatch sw = new Stopwatch();
sw.Start();
ArryUtil.arrayReplace(sourceBytes, oldBytes, newBytes, 0);
sw.Stop();
var tick = sw.ElapsedTicks;
sw.Restart();
sourcestr.Replace(oldstr, newvalstr);
sw.Stop();
var tick2 = sw.ElapsedTicks;
//老的用时
System.Diagnostics.Debug.WriteLine("老的用时" + tick2);
//array 用时1828
System.Diagnostics.Debug.WriteLine("array 用时" + tick);
}
