コード例 #1
0
        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)
            {
            }
        }
コード例 #2
0
        public static void Test()
        {
            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)";

            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 = ReplaceBytesUtil.ReplaceBytes(sourceBytes, oldBytes, newBytes);
                }
            };
            //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));
        }
コード例 #3
0
        public static void test()
        {
            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)";


            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);
            //方法1
            Action act = () =>
            {
                foreach (var k in arr)
                {
                    ReplaceInByteArrayUtil.ReplaceInByteArray(sourceBytes, oldBytes, newBytes);
                }
            };
            //方法0
            Action act0 = () =>
            {
                foreach (var k in arr)
                {
                    sourcestr.Replace(oldstr, newvalstr);
                }
            };

            //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));
        }
コード例 #4
0
        public static void TestCompareWithListandNoList()
        {
            string sourcestr =
                "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);

            //方法0
            Action act0 = () =>
            {
                foreach (var k in arr)
                {
                    sourcestr.Replace(oldstr, newvalstr);
                }
            };

            //方法1
            Action act = () =>
            {
                foreach (var k in arr)
                {
                    StringReplacer.Replace(sourceBytes, oldBytes, newBytes);
                }
            };

            //方法2
            Action act2 = () => { foreach (var k in arr)
                                  {
                                      StringReplacer.ReplaceA(sourceBytes, oldBytes, newBytes);
                                  }
            };


            //方法多个 List替换
            Action act3 = () => { foreach (var k in arr)
                                  {
                                      StringReplacer.Replace(sourceBytes, new List <HexReplaceEntity>()
                    {
                        new HexReplaceEntity()
                        {
                            oldValue = oldBytes,
                            newValue = newBytes,
                        },
                        new HexReplaceEntity()
                        {
                            oldValue = oldBytes1,
                            newValue = newBytes1,
                        },
                        new HexReplaceEntity()
                        {
                            oldValue = oldBytes2,
                            newValue = newBytes2,
                        },
                    });
                                  }
            };

            //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));
            //list 用时2481
            System.Diagnostics.Debug.WriteLine("list 用时" + StopWatchMonitor.Stopwatch(act2));

            //多个 List替换
            System.Diagnostics.Debug.WriteLine("多个 List替换   用时" + StopWatchMonitor.Stopwatch(act3));
        }