比较2个文件中每行字段的差异

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package testJava.ari;import java.io.BufferedReader;import java.io.File;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStreamReader;import java.util.ArrayList;import java.util.List;public class 比较2个文件中每行字段的差异 { /**  * 找出2个文件中不同的户号  gefei 2013-12-20 15:03:39  *   */ public static void main(String[] args) {  String encoding = "utf-8";  InputStreamReader isr = null;  BufferedReader br = null;  FileOutputStream fos = null;  String lineTXT = null;  File file = null;  String f1 = "C:\\Users\\Administrator\\Desktop\\bj\\a1.txt";  String f2 = "C:\\Users\\Administrator\\Desktop\\bj\\a2.txt";  String f3 = "C:\\Users\\Administrator\\Desktop\\bj\\a3.txt";  try{   file = new File(f1);   isr = new InputStreamReader(new FileInputStream(file), encoding);   br = new BufferedReader(isr);      List<String> l1 = new ArrayList<String>();   while ((lineTXT = br.readLine()) != null) {      byte[] bytes = lineTXT.getBytes();    l1.add(new String(bytes));   }      // 找出a1中相同的户号  gefei add 2013-12-21 21:07:09//   for(int i=0;i<l1.size();i++){//    int bs = 0;//    String s1 = l1.get(i);//    for(int j=0;j<l1.size();j++){//     String s2 = l1.get(j);//     if(s1.equals(s2)){//      bs++;//     }//    }//    if(bs > 1){//     System.out.println("l1中重复户号= "+s1);//    }//   }      file = new File(f2);   isr = new InputStreamReader(new FileInputStream(file), encoding);   br = new BufferedReader(isr);      List<String> l2 = new ArrayList<String>();   while ((lineTXT = br.readLine()) != null) {      byte[] bytes = lineTXT.getBytes();    l2.add(new String(bytes));   }      int xtjs = 0;   int bxtjs = 0;   for(int i=0;i<l1.size();i++){    int bz = 0;    String s1 = l1.get(i);    for(int j=0;j<l2.size();j++){     String s2 = l2.get(j);     if(s1.equals(s2)){      xtjs++;      bz = 1;      break;     }    }    if(bz == 0){     bxtjs++;     System.out.println("有差异的内容"+bxtjs+" = "+s1);    }   }   System.out.println("相同的个数 = "+xtjs);   System.out.println("有差异的个数 = "+bxtjs);      // 给a1每行的字符前后加上单引号，后面加上逗号 gefei add 2013-12-30 19:41:35   fos = new FileOutputStream(f3);   for(int i=0;i<l1.size();i++){    String s3 = l1.get(i);    if(i!=l1.size()-1)     s3 = "'"+s3+"',";    else     s3 = "'"+s3+"'";    fos.write(s3.getBytes());   }   System.out.println("-----单引号和逗号增加成功-----");      isr.close();   br.close();   fos.close();  }catch(FileNotFoundException e1){   e1.printStackTrace();   System.exit(-1);  }catch(IOException e2){   e2.printStackTrace();  }    // 打印1到87 gefei add 2013-12-24 11:13:41//  for(int i=1;i<=85;i++){//   System.out.println(i);//  } }}
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