SelectTop200_3.java

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SelectTop200_3.java 输出文件final_example1.simila.txt,是final_example1.txt对应产品的相似度
package test;import java.io.BufferedReader;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.FileWriter;import java.io.IOException;import java.io.InputStreamReader;import java.io.UnsupportedEncodingException;import java.util.Map;public class SelectTop200_3 {       public static void appendMethod(String fileName, String content) {           try {               //打开一个写文件器，构造函数中的第二个参数true表示以追加形式写文件               FileWriter writer = new FileWriter(fileName, true);               writer.write(content);               writer.close();           } catch (IOException e) {               e.printStackTrace();           }       }       public static String[] getStrings() {            FileInputStream fis;            InputStreamReader isr;            BufferedReader br = null;            try {                fis = new FileInputStream("/public/home/dsj/Public/sundujing/fpgrowth/ToCats.txt");//              fis = new FileInputStream("D://ToCats.txt");                isr = new InputStreamReader(fis, "UTF-8");                br = new BufferedReader(isr);            } catch (FileNotFoundException e) {                // TODO Auto-generated catch block                e.printStackTrace();            } catch (UnsupportedEncodingException e) {                // TODO Auto-generated catch block                e.printStackTrace();            }            String[] strings = new String[5484];            int i=0;            String str;            try {                while ((str = br.readLine()) != null) {                    strings[i] = str;                    i++;                }            } catch (IOException e) {                // TODO Auto-generated catch block                e.printStackTrace();            }            return strings;        }       public static String[] getStrings1() {            FileInputStream fis1;            InputStreamReader isr1;            BufferedReader br1 = null;            try {                fis1 = new FileInputStream("/public/home/dsj/Public/sundujing/fpgrowth/ToCat.txt");//              fis1 = new FileInputStream("D://ToCat.txt");                isr1 = new InputStreamReader(fis1, "UTF-8");                br1 = new BufferedReader(isr1);            } catch (FileNotFoundException e) {                // TODO Auto-generated catch block                e.printStackTrace();            } catch (UnsupportedEncodingException e) {                // TODO Auto-generated catch block                e.printStackTrace();            }            String[] strings = new String[23001];            int i=0;            String str;            try {                while ((str = br1.readLine()) != null) {                    strings[i] = str;                    i++;                }            } catch (IOException e) {                // TODO Auto-generated catch block                e.printStackTrace();            }            return strings;        }       public static String[] getStrings2() {            FileInputStream fis2;            InputStreamReader isr2;            BufferedReader br2 = null;            try {                fis2 = new FileInputStream("/public/home/dsj/Public/sundujing/fpgrowth/dim_fashion_matchsets.txt");                //fis2 = new FileInputStream("D://dim_fashion_matchsets.txt");                isr2 = new InputStreamReader(fis2, "UTF-8");                br2 = new BufferedReader(isr2);            } catch (FileNotFoundException e) {                // TODO Auto-generated catch block                e.printStackTrace();            } catch (UnsupportedEncodingException e) {                // TODO Auto-generated catch block                e.printStackTrace();            }            String[] strings = new String[23001];            int i=0;            String str;            try {                while ((str = br2.readLine()) != null) {                    String[] str1 = str.split(" ");                    //String[] str2 = str1[1].split(";");                    strings[i] = str1[1].replaceAll(";", ",");                    i++;                }            } catch (IOException e) {                // TODO Auto-generated catch block                e.printStackTrace();            }            return strings;        }       public static String[] getStrings3() {            FileInputStream fis4;            InputStreamReader isr4;            BufferedReader br4 = null;            try {                //fis4 = new FileInputStream("/public/home/dsj/Public/sundujing/fpgrowth/simila.txt");                fis4 = new FileInputStream("/public/home/dsj/Public/sundujing/fpgrowth/simila_place.txt");                isr4 = new InputStreamReader(fis4, "UTF-8");                br4 = new BufferedReader(isr4);            } catch (FileNotFoundException e) {                // TODO Auto-generated catch block                e.printStackTrace();            } catch (UnsupportedEncodingException e) {                // TODO Auto-generated catch block                e.printStackTrace();            }            String[] strings = new String[5484];            int i=0;            String str;            try {                while ((str = br4.readLine()) != null) {                    strings[i] = str;                    i++;                }            } catch (IOException e) {                // TODO Auto-generated catch block                e.printStackTrace();            }            return strings;        }       public static String[] getStrings4() {            FileInputStream fis5;            InputStreamReader isr5;            BufferedReader br5 = null;            try {                //fis4 = new FileInputStream("/public/home/dsj/Public/sundujing/fpgrowth/simila.txt");                fis5 = new FileInputStream("/public/home/dsj/Public/sundujing/fpgrowth/simila.txt");                isr5 = new InputStreamReader(fis5, "UTF-8");                br5 = new BufferedReader(isr5);            } catch (FileNotFoundException e) {                // TODO Auto-generated catch block                e.printStackTrace();            } catch (UnsupportedEncodingException e) {                // TODO Auto-generated catch block                e.printStackTrace();            }            String[] strings = new String[5484];            int i=0;            String str;            try {                while ((str = br5.readLine()) != null) {                    strings[i] = str;                    i++;                }            } catch (IOException e) {                // TODO Auto-generated catch block                e.printStackTrace();            }            return strings;        }    public static void main(String args[])    {         String[] strings = getStrings();//记录每行预测商品对应的类别cat         String[] strings1 = getStrings1();//记录对应match中每行对应的cat，用于甄别是否为同类产品         String[] strings2 = getStrings2();//每条对应match中的每行记录，需要去除同类产品         String[] strings3=getStrings3();//记录每行的每个最相似的位置         String[] strings4=getStrings4();//记录每行每个对应的相似度，用于记录         //     for(int i=0;i<5484;i++)//      {            //strings[i]每行预测商品对应的类别cat，第一行对应399            String fileName = "/public/home/dsj/Public/sundujing/fpgrowth/final_example1_simila.txt";            String content;            FileInputStream fis3;            InputStreamReader isr3;            BufferedReader br3 = null;            try {                       fis3 = new FileInputStream("/public/home/dsj/Public/sundujing/fpgrowth/line0.6_10.txt");                //fis3 = new FileInputStream("D://line.txt");                isr3 = new InputStreamReader(fis3, "UTF-8");                br3 = new BufferedReader(isr3);            } catch (FileNotFoundException e) {                e.printStackTrace();            } catch (UnsupportedEncodingException e) {                e.printStackTrace();            }                   String str;             int  count=0;            try {                while ((str = br3.readLine()) != null)//对应的为line.txt的每行即是为每行预测商品所准备的推荐搭配的前100行数                {                    //strings3[count] 1记录对应位置                    String[] str1 = str.split(" ");                    String[] str4=strings3[count].split(" ");//str1.length==str4.length                    String[] str5=strings4[count].split(" ");//str1.length==str5.length                    for(int k=0;k<str1.length;k++)                        {                            int t=Integer.parseInt(str1[k]);//第一行对应为第一个数5735....                            //strings1[t]对应为ToCat第5735行，487 487 487 487 399 399 399 399 220 220 220 220 317 317 317 317，这条记录                            String[] str2 = strings1[t-1].split(" ");                            //strings2[t]对应的是dim_fashion_matchsets第5735行 ：912534,932752,658698,519908,70341,3050430,300564,1071257,1590463,2240550,84524,3204531,3267304,3185197,1273818,1334655                            String[] str3 = strings2[t-1].split(",");                            for(int j=0;j<str2.length;j++)                            {                                if(strings[count].trim().equals(str2[j])==false&&str2[j].equals(str2[Integer.parseInt(str4[k])])==false)                                {                                                                   content="";                                    content=str5[k]+",";                                                                appendMethod(fileName, content);                                }                            }                        }                    System.out.println("");                    appendMethod(fileName, "\n");                    count++;                }            } catch (IOException e) {                e.printStackTrace();            }    }}
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