public static void TestHasList()
{
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(" ", ""));
//全部替换
byte[] result = StringReplacer.Replace(sourceBytes, new List <HexReplaceEntity>()
{
new HexReplaceEntity()
{
oldValue = oldBytes,
newValue = newBytes,
},
new HexReplaceEntity()
{
oldValue = oldBytes1,
newValue = newBytes1,
},
new HexReplaceEntity()
{
oldValue = oldBytes2,
newValue = newBytes2,
},
});
string str2 = System.Text.Encoding.ASCII.GetString(result);;
//字符串替换检查
var boolresult = (str2.Replace(" ", string.Empty) != sourcestr
.Replace(oldstr, newvalstr)
.Replace(oldstr1, newvalstr1)
.Replace(oldstr2, newvalstr2)
.Replace(" ", string.Empty)
);
Assert.IsTrue(boolresult, "byte流批量 List替换成功");
}
public static void TestNoList()
{
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(" ", ""));
byte[] replaceResult = StringReplacer.Replace(sourceBytes, oldBytes, newBytes);
string result = System.Text.Encoding.ASCII.GetString(replaceResult);
var boolResult = result.Replace(" ", string.Empty) == sourcestr.Replace(oldstr, newvalstr).Replace(" ", "");
Assert.IsTrue(boolResult, "byte流替换替换成功");
}
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));
}