split替换replace提高多字符串替换速度

今天药忘吃喽~ 2022-07-15 03:51 232阅读 0赞

</pre><pre name="code" class="csharp"> protected string ReplaceArgumentNamePlaceholder(string sentence, string argumentNamePlaceholder, ArgumentQueryParameter argumentQueryParameter)
            {
                if (null == argumentQueryParameter || null==argumentQueryParameter.Parameters)
                {
                    return sentence;
                }
    
                string replaceResult = sentence.Replace(argumentNamePlaceholder,
                    string.Join(",", argumentQueryParameter.Parameters.Select(x => x.ParameterName)));
         
                //return sentence.Replace(argumentNamePlaceholder, string.Join(",", argumentQueryParameter.Parameters.Select(x=>x.ParameterName)));
             
                byte[] middleBytes=StringReplacer.Replace(Encoding.ASCII.GetBytes(sentence), Encoding.ASCII.GetBytes(argumentNamePlaceholder),
                    Encoding.ASCII.GetBytes(string.Join(",", argumentQueryParameter.Parameters.Select(x => x.ParameterName))));
                //return SplitReplaceString(sentence,argumentNamePlaceholder,  argumentQueryParameter);
               string ByteReplaceResult= System.Text.Encoding.Default.GetString(middleBytes);
             
    
                return replaceResult;
            }
    
            protected string SplitReplaceString(string sentence,string oldString, ArgumentQueryParameter replaceString)
            {
                string result="";
                
                string[] resultString = System.Text.RegularExpressions.Regex.Split(sentence,oldString);
                IEnumerable middleEnumerable = resultString.Where((x,index)=>index!=resultString.Length-1).Select(x => x = x + string.Join(",", replaceString.Parameters.Select(y => y.ParameterName)));
                foreach (string index in middleEnumerable)
                {
                    result += index;
                }
                result += resultString[resultString.Length - 1];
                return result;
    
            }