CompareFile
来源：互联网 发布：破云扇淘宝 编辑：程序博客网 时间：2024/06/06 04:30
package Stream;
import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
public class CompareFile {
public static void main(String args[]) {
Set fSet1 = new HashSet();
Set fSet2 = new HashSet();
try {
readFileToSet("f://comp1.txt", fSet1);
readFileToSet("f://comp2.txt", fSet2);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
compareTwoSets(fSet1, fSet2);
}
public static void readFileToSet(String fileName1, Set fSet1)
throws IOException {
BufferedReader reader1 = null;
try {
reader1 = new BufferedReader(new FileReader(fileName1));
String sTemp1;
while ((sTemp1 = reader1.readLine()) != null) {
if (!sTemp1.trim().equals(""))
fSet1.add(sTemp1);
}
reader1.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} finally {
reader1.close();
}
}
public static void compareTwoSets(Set fSet1, Set fSet2) {
Iterator it1 = fSet1.iterator();
String st = null;
while (it1.hasNext()) {
st = (String) it1.next();
if (!fSet2.contains(st))
System.out.println(st);
}
}
public static void getAndSplitFileToSet(String fileName1, Set fSet1)
throws IOException {
BufferedReader reader1 = null;
try {
reader1 = new BufferedReader(new FileReader(fileName1));
String sTemp1;
while ((sTemp1 = reader1.readLine()) != null) {
if (!sTemp1.trim().equals("")) {
sTemp1 = filter(sTemp1.trim());
if (sTemp1 != null)
fSet1.add(sTemp1);
}
}
reader1.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} finally {
reader1.close();
}
}
public static String filter(String sTemp)
{
String[] sT=sTemp.split(",");
String sR=null;
if (sT[0].equals(""))
if (sT[0].equals(""))
if (sT[0].equals(""))
sR=sT[1];
return sR;
}
}
