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Code
import sun.misc.BASE64Encoder;
import sun.misc.BASE64Decoder;
import javax.crypto.*;
import javax.crypto.spec.DESKeySpec;
import javax.crypto.spec.IvParameterSpec;
import java.security.Key;
import java.security.spec.AlgorithmParameterSpec;
/**
* ʹÓÃDES¼ÓÃܺͽâÃܵķ½·¨
* @author:azhong
*User: Administrator
* Date: 2007-10-27
* Time: 10:54:36
* */
public class CryptoTools {
private final byte [] DESkey = {};//ÉèÖÃÃÜÔ¿£¬ÂÔÈ¥
private final byte[] DESIV = {};//ÉèÖÃÏòÁ¿£¬ÂÔÈ¥
private AlgorithmParameterSpec iv =null;//¼ÓÃÜËã·¨µÄ²ÎÊý½Ó¿Ú£¬IvParameterSpecÊÇËüµÄÒ»¸öʵÏÖ
private Key key =null;
public CryptoTools() throws Exception {
DESKeySpec keySpec = new DESKeySpec(DESkey);//ÉèÖÃÃÜÔ¿²ÎÊý
iv = new IvParameterSpec(DESIV);//ÉèÖÃÏòÁ¿
SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DES");//»ñµÃÃÜÔ¿¹¤³§
key = keyFactory.generateSecret(keySpec);//µÃµ½ÃÜÔ¿¶ÔÏó
}
public String encode(String data) throws Exception {
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System.out.println(2|0); //0010 0000 =>0010 = 2
System.out.println(2|1); //0010 0001 =>0011 = 3
System.out.println(3|2); //0011 0010 =>0011 = 3
System.out.println(3&2); //0011 0010 =>0010 = 2
/*
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00011|0010 ´ÓÓÒµ½×ó±È½Ï0|1 = 1, 1|0 = ......
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Class.forName("oracle.jdbc.driver.OracleDriver").newInstance();
String url="jdbc:oracle:thin:@localhost:1521:orcl"; //orclΪÊý¾Ý¿âµÄSID
String user="test";
String password="test";
Connection conn= DriverManager.getC ......
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