毕业设计&课设--股吧情绪倾向量化DEMO（毕业设计+机器学习课程project）.zip

package test; import org.apache.lucene.analysis.TokenStream; import org.apache.lucene.analysis.tokenattributes.CharTermAttribute; import org.wltea.analyzer.lucene.IKAnalyzer; import java.io.*; import java.util.*; import java.util.regex.Pattern; import static java.lang.Math.log; import static java.lang.Math.pow; /** * Created by yizhou on 14-4-9. */ public class TezhenXuanze_副本 { private static Map<String,Integer> WordList = new HashMap<String, Integer>();//所有词 private static Map<String,Integer> ClassList = new HashMap<String,Integer>();//所有分类 // private static Map<String,Map<Integer,Double>> WordFeatureValue = new HashMap<String, Map<Integer, Double>>();//用来存放所有类的互信息 private static Map<String,Double> WordFeatureValue = new HashMap<String, Double>(); private static List<String> KeyWord = new ArrayList<String>(); private static int wordnum=0; private static int classnum=0; private static Pattern pattern = Pattern.compile("[0-9]{6}"); private static Pattern pattern1 = Pattern.compile("[0-9]{1,10}"); // basefilepath为根目录，里面包含所有分类（如看多目录，看空目录等）filepath[]为一级子目录，每个filepath[i]目录里包含该分类下所有文本 // 输入的文本为未经分词的原始文本 public static void Product_WordMatrix(File basefilepath,File writepath) throws IOException { IKAnalyzer analyzer = new IKAnalyzer(true); File [] filepath = basefilepath.listFiles(); Integer count = 0; classnum = filepath.length; for(int i=0;i<classnum;i++){ ClassList.put(filepath[i].getName(),i); File []files = filepath[i].listFiles();//存储子目录下所有文件 File path = new File(writepath.getPath()+"\\"+filepath[i].getName());//生成类别目录 if(!path.exists()) path.mkdirs(); int dayux00=0; for(File filename:files){ File writefile=new File(path.getPath()+"\\"+filename.getName());//将原始文档转化为矩阵形式的词文档 FileWriter fw=new FileWriter(writefile); BufferedWriter writer=new BufferedWriter(fw); InputStreamReader reader = new InputStreamReader(new FileInputStream(filename)); // 建立一个输入流对象reader BufferedReader br = new BufferedReader(reader); // 建立一个对象，它把文件内容转成计算机能读懂的语言 String line = br.readLine(); while (line != null) { count++; line = shaixuan(line,filename.getName()); if(line == null) {dayux00++;line=br.readLine();continue;} String[] lines = line.split("[。？?]"); // for(int it=0;it<lines.length;it++){ //长句子分为短句子 // TokenStream tokenStream = analyzer.tokenStream("content", new StringReader(lines[it])); TokenStream tokenStream = analyzer.tokenStream("content", new StringReader(line)); tokenStream.addAttribute(CharTermAttribute.class); while (tokenStream.incrementToken()){ String word = tokenStream.getAttribute(CharTermAttribute.class).toString(); writer.write(word + "\t"); if(!pattern1.matcher(word).find()) { WordList.put(word, wordnum); wordnum++; } } writer.write(count.toString()); writer.write("\r\n"); writer.flush(); // } line = br.readLine(); } writer.close(); reader.close(); } System.out.println("类别：" + filepath[i].getName() + "过滤数目:" + dayux00+":"+count); } } public static String shaixuan(String line,String filename){ line = line.replaceAll("[+~$`^=|<>～`$^+=|<>￥×]",""); if(line.indexOf("评级")!=-1){ line=line.replaceAll("[“”\"的]", ""); if(line.indexOf("评级")>5) line = line.substring(line.indexOf("评级")-6,line.indexOf("评级")); else line.substring(0,line.indexOf("评级")); } else if(line.indexOf("投资建议")!=-1){ if(line.indexOf("风险提示")!=-1) line = line.substring(line.indexOf("投资建议"),line.indexOf("风险提示")); else line = line.substring(line.indexOf("投资建议")); } else if(line.indexOf("研报")!=-1&&line.indexOf("评级")==-1) line=null; else if(line.indexOf("公告日期")!=-1||(pattern.matcher(line).find()&&!(line.indexOf(filename.substring(0,5))!=-1))) line=null; return line; } public static void Product_WordMatrix_Test(File basefilepath,File writepath) throws IOException { IKAnalyzer analyzer = new IKAnalyzer(true); File [] filepath = basefilepath.listFiles(); Integer count = 0; for(int i=0;i<filepath.length;i++){ File []files = filepath[i].listFiles();//存储子目录下所有文件 File path = new File(writepath.getPath()+"\\"+filepath[i].getName());//生成类别目录 if(!path.exists()) path.mkdirs(); int dayux00=0; for(File filename:files){ File writefile=new File(path.getPath()+"\\"+filename.getName());//将原始文档转化为矩阵形式的词文档 FileWriter fw=new FileWriter(writefile); BufferedWriter writer=new BufferedWriter(fw); InputStreamReader reader = new InputStreamReader(new FileInputStream(filename)); // 建立一个输入流对象reader BufferedReader br = new BufferedReader(reader); // 建立一个对象，它把文件内容转成计算机能读懂的语言 String line = br.readLine(); while (line != null) { count++; line = shaixuan(line,filename.getName()); if(line == null) {dayux00++;line=br.readLine();continue;} String[] lines = line.split("[。？?]"); // for(int it=0;it<lines.length;it++){ //长句子分为短句子 // TokenStream tokenStream = analyzer.tokenStream("content", new StringReader(lines[it])); TokenStream tokenStream = analyzer.tokenStream("content", new StringReader(line)); tokenStream.addAttribute(CharTermAttribute.class); while (tokenStream.incrementToken()){ String word = tokenStream.getAttribute(CharTermAttribute.class).toString(); writer.write(word + "\t"); } writer.write(count.toString()); writer.write("\r\n"); writer.flush(); // } line = br.readLine(); } writer.close(); reader.close(); } System.out.println("测试类别："+filepath[i].getName()+"\t过滤数目:"+dayux00); } } public static void Product_ZiMatrix(File basefilepath,File writepath) throws IOException { File [] filepath = basefilepath.listFiles(); classnum = filepath.length; for(int i=0;i<classnum;i++){ ClassList.put(filepath[i].getName(),i); File []files = filepath[i].listFiles();//存储子目录下所有文件 File path = new File(writepath.getPath()+"\\"+filepath[i].getName(