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  • 替换掉字符串中重复的词(只保留一个)

                private string allKeywords = "";
            public string outputKeywords(Model.users users)
            {
                allKeywords += (" "+keywordsOfAge(users.age));
                allKeywords += (" " + keywordsOfSex(users.sex));
                allKeywords += (" " + keywordsOfHightAndWeight(users.hight, users.weight, users.sex));
                allKeywords += (" " + keywordsOfJob(users.job));
                allKeywords += (" " + keywordsOfyylx(users.yylx));
                string[] jj = keywordsOfjj(users.jj).Split(' ');
                for(int i =0;i<jj.Length;i++)
                {
                    allKeywords = allKeywords.Replace(jj[i],"");
                }

          

    //allKeywords中是有可能包含重复词的字符串,而且词之间以空格隔开

                allKeywords = Regex.Replace(allKeywords, "\\s+", " ");//替换掉词之间多余的空格(多于1个空格的替换成一个)

                //开始替换掉重复的关键字
                string[] allKeywords2 =allKeywords.Split(' ');
                ArrayList al = new ArrayList();
                for (int i = 0; i < allKeywords2.Length; i++)
                {
                    if (!al.Contains(allKeywords2[i]))
                    {
                        al.Add(allKeywords2[i]);
                    }
                }
                allKeywords = "";//清理原来的字符串
                for (int i = 0; i < al.Count; i++)
                {
                    allKeywords += al[i] + " ";
                }
                return allKeywords;
            }

    暂时没想到更简洁的方法

               

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  • 原文地址:https://www.cnblogs.com/terrorpig/p/1350990.html
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