简易智能自动问答机器人

来源：互联网发布：编程有几种思想编辑：程序博客网时间：2024/04/30 04:23
很简易的一个智能自动问答机器人，应用了中文句子分词、多关键词句子匹配技术。
<!DOCTYPE HTML><HTML><HEAD><meta charset="utf-8"><TITLE>CHATTING</TITLE><STYLE TYPE="TEXT/CSS">body{background-color:#cccccc;color:#eee;text-align:center;}#dialogDisplay{position:relative;max-width:600px;height:300px;margin-left:auto;margin-right:auto;margin-top:50px;background-color:#111111;overflow:auto;padding:30px;}#question{min-width:600px;margin-left:auto;margin-right:auto;margin-top:10px;height:75px;border-radius:10px;background-color:#EEEEEE;}.questionbox{text-align:right;color:#FF0000;font-size:10px;}.answerbox{text-align:left;color:#00FF00;font-size:10px;}.speech{background-color:#333333;border-radius: 5px; font-size:18px;display:inline;padding:10px;line-height:200%;}</STYLE><SCRIPT TYPE="TEXT/JAVASCRIPT" SRC="ChineseDictionary.js"></SCRIPT><SCRIPT TYPE="TEXT/JAVASCRIPT" SRC="QuestionAndAnswer.js"></SCRIPT><SCRIPT TYPE="TEXT/JAVASCRIPT">function found(keyword){//判断关键词是否存在词典中//词典以JSON格式存储在ChineseDictionary.js文件的W对象内if(W[keyword]==1){return true;}else{return false;}}//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////function parseChinese(inputSentence){//正向关键词最长匹配法分词//输入任意一句话，最终产生分词字符串resultString和分词数组resultArray//删除待处理字符串头部的空格inputSentence=inputSentence.replace(/(^\s+)/,"");var inputSentenceLength=inputSentence.length;var wordMaxLength=7;var resultArray=new Array();var resultString="";var recognizedWords="";//如果输入句长度小于词典词汇长度则令最大长度等于句子长度if(inputSentenceLength<=wordMaxLength){wordMaxLength=inputSentenceLength;}//增加三个空格方便尾部处理，空格数=wordMaxLength-1inputSentence+="      ";for(var i=0;i<inputSentenceLength;i++){//尾部还需特殊处理for(var j=wordMaxLength;j>0;j--){var checkword=inputSentence.substr(i,j);if(found(checkword)){//alert(checkword);recognizedWords+=checkword+",";resultArray.push(checkword);//注意后面需要-1，因为FOR循环会自动加1i=i+j-1;break;}else{if(j==1){resultArray.push(checkword);}}}}//处理所得到的结果数组//由于前面的过程会把英文单词分割成字母，现在需要连接起来for(var i=0;i<resultArray.length-1;i++){var regw=/\w/;if(regw.test(resultArray[i])&&regw.test(resultArray[i+1])){resultArray[i+1]=resultArray[i]+resultArray[i+1];resultArray[i]="";}}//结果数组转换成结果字符串resultString=resultArray.join(" ");//替换掉里面多余的空格resultString=resultString.replace(/\s{2,}/g," ");//替换掉多余的逗号去除尾部空元素resultString=resultString.replace(/,$/,"");//重新将字符串转换回数组//去除识别字符串里的重复元素if(resultString==""){resultArray=new Array();}else{resultArray=resultString.split(" ").reverse().join(",").match(/([^,]+)(?!.*\1)/ig).reverse(); }//本分词函数对象各个属性最终值recognizedWords=recognizedWords.replace(/,$/,"");this.recognizedWords=recognizedWords;//注意输入值为空或者不匹配的情况if(this.recognizedWords==""){this.recognizedWordsArray=new Array();}else{this.recognizedWordsArray=recognizedWords.split(",").reverse().join(",").match(/([^,]+)(?!.*\1)/ig).reverse();//ar.reverse().join(",").match(/([^,]+)(?!.*\1)/ig).reverse()//删除数组中重复元素}//将分词结果存在本对象的字符串和数组中this.resultString=resultString;this.resultArray=resultArray;}//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////function matchRate(string1,string2){//任意两句话的话题匹配程度（只考虑二者的关键词）var matchScore1=0;var matchScore2=0;var chineseWords1=new parseChinese(string1);var chineseWords2=new parseChinese(string2);var keywordsArray1=chineseWords1.recognizedWordsArray;var keywordsArray2=chineseWords2.recognizedWordsArray;var keywordsString1="#"+keywordsArray1.join("##")+"#";var keywordsString2="#"+keywordsArray2.join("##")+"#";var keywordsStringRegX1="/"+"#"+keywordsArray1.join("#|#")+"#/gi";var keywordsStringRegX2="/"+"#"+keywordsArray2.join("#|#")+"#/gi";//用string2的关键词去匹配string1var matchArray1=new Array();matchArray1=keywordsString1.match(eval(keywordsStringRegX2));//用string1的关键词去匹配string2var matchArray2=new Array();matchArray2=keywordsString2.match(eval(keywordsStringRegX1));if(matchArray1!=null){matchScore1=matchArray1.length;}else{matchScore1=0;}if(keywordsArray2.length>0){matchScore1=matchScore1/keywordsArray2.length*100;}else{matchScore1=0;}if(matchArray2!=null){matchScore2=matchArray2.length;}else{matchScore2=0;}if(keywordsArray1.length>0){matchScore2=matchScore2/keywordsArray1.length*100;}else{matchScore2=0;}//取互相匹配的值的平均值为最终结果var averageScore=(matchScore1+matchScore2)*0.5;return averageScore;}//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////function matchAllRate(string1,string2){//任意两句话的话题匹配程度（只考虑二者的关键词）var matchScore1=0;var matchScore2=0;var chineseWords1=new parseChinese(string1);var chineseWords2=new parseChinese(string2);var keywordsArray1=chineseWords1.resultArray;var keywordsArray2=chineseWords2.resultArray;var keywordsString1="#"+keywordsArray1.join("##")+"#";var keywordsString2="#"+keywordsArray2.join("##")+"#";var keywordsStringRegX1="/"+"#"+keywordsArray1.join("#|#")+"#/gi";var keywordsStringRegX2="/"+"#"+keywordsArray2.join("#|#")+"#/gi";//用string2的关键词去匹配string1var matchArray1=new Array();matchArray1=keywordsString1.match(eval(keywordsStringRegX2));//用string1的关键词去匹配string2var matchArray2=new Array();matchArray2=keywordsString2.match(eval(keywordsStringRegX1));if(matchArray1!=null){matchScore1=matchArray1.length;}else{matchScore1=0;}if(keywordsArray2.length>0){matchScore1=matchScore1/keywordsArray2.length*100;}else{matchScore1=0;}if(matchArray2!=null){matchScore2=matchArray2.length;}else{matchScore2=0;}if(keywordsArray1.length>0){matchScore2=matchScore2/keywordsArray1.length*100;}else{matchScore2=0;}//取互相匹配的值的平均值为最终结果var averageScore=(matchScore1+matchScore2)*0.5;return averageScore;}//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////function talk(){//智能应答对话主程序//应用了前面的分词和匹配技术var bestAnswerIndex=0;var bestMatchScore=0;var questionString=document.getElementById("question").value;document.getElementById("question").value="";var now=new Date().toLocaleTimeString();//显示问题到屏幕上var outputString="<div class='questionbox'><br />"+now+" 冰豆小李<br /><br /><div class='speech'>"+questionString+"</div><br /></div>";document.getElementById("dialogDisplay").innerHTML+=outputString;document.getElementById("dialogDisplay").scrollTop=document.getElementById("dialogDisplay").scrollHeight;//去除特殊符号以免后续匹配出错questionString=questionString.replace(/\^|\.|\*|\?|\!|\/|\\|\$|\#|\&|\||,|\[|\]|\{|\}|\(|\)|\-|\+|\=/g," ");//遍历问答库，搜寻最接近的问答for(var i=0;i<QA_Count;i++){var answerQ=QA[i].Q;answerQ=answerQ.replace(/\^|\.|\*|\?|\!|\/|\\|\$|\#|\&|\||,|\[|\]|\{|\}|\(|\)|\-|\+|\=/g," ");//matchAllRate才能匹配英文var matchScore=matchAllRate(questionString,answerQ);//优选出匹配度最高的if(matchScore>=bestMatchScore){bestMatchScore=matchScore;bestAnswerIndex=i;}//如果遇到全匹配则跳出搜索循环if(matchScore==100){break;}//如果识别率为零则生成一个随机应答索引//问答知识库头10条记录是为这种情况设定的if(bestMatchScore==0){bestAnswerIndex=Math.floor(Math.random()*10);}}//依据所获的索引号提取出问题的最佳答案var answerString=QA[bestAnswerIndex].A;//不能显示太快，否则机器人的痕迹太明显，所以要延迟显示var delayTimer=setTimeout(showAnswer,1);//显示问题的答案到屏幕上function showAnswer(){var now=new Date().toLocaleTimeString();var outputString="<div class='answerbox'><br />一粒马豆 "+now+"<br /><br /><div class='speech'>"+answerString+"</div><br /></div>";document.getElementById("dialogDisplay").innerHTML+=outputString;document.getElementById("dialogDisplay").scrollTop=document.getElementById("dialogDisplay").scrollHeight;}}</SCRIPT></HEAD><BODY><div id="dialogDisplay"></div><input id="question" type="text" onkeypress="if(event.keyCode==13){talk()}" /></BODY></HTML>
0 0