Java实现url加密处理的方法示例

package test;import java.security.Key;import java.security.SecureRandom;import javax.crypto.Cipher;import javax.crypto.KeyGenerator;import sun.misc.BASE64Decoder;import sun.misc.BASE64Encoder;public class ThreeDES {  public static String crypt(String content,String password,int i){    try {      KeyGenerator generator = KeyGenerator.getInstance("AES");      generator.init(new SecureRandom(password.getBytes()));      Key key = generator.generateKey();      generator = null;      if(i == 1){        return getEncString(content,key);      }      else if(i == 2){        return getDesString(content,key);      }    } catch (Exception e) {      return null;    }    return null;  }  /**   * 加密String明文输入,String密文输出   *   * @param strMing   * @return   */  private static String getEncString(String strMing,Key key) {    byte[] byteMi = null;    byte[] byteMing = null;    String strMi = "";    BASE64Encoder base64en = new BASE64Encoder();    try {      byteMing = strMing.getBytes("UTF8");      byteMi = getEncCode(byteMing,key);      strMi = base64en.encode(byteMi);    } catch (Exception e) {      e.printStackTrace();    } finally {      base64en = null;      byteMing = null;      byteMi = null;    }    return strMi;  }  /**   * 解密 以String密文输入,String明文输出   *   * @param strMi   * @return   */  private static String getDesString(String strMi, Key key) {    BASE64Decoder base64De = new BASE64Decoder();    byte[] byteMing = null;    byte[] byteMi = null;    String strMing = "";    try {      byteMi = base64De.decodeBuffer(strMi);      byteMing = getDesCode(byteMi,key);      strMing = new String(byteMing, "UTF8");    } catch (Exception e) {      e.printStackTrace();    } finally {      base64De = null;      byteMing = null;      byteMi = null;    }    return strMing;  }  /**   * 加密以byte[]明文输入,byte[]密文输出   *   * @param byteS   * @return   */  private static byte[] getEncCode(byte[] byteS,Key key) {    byte[] byteFina = null;    Cipher cipher;    try {      cipher = Cipher.getInstance("AES");      cipher.init(Cipher.ENCRYPT_MODE, key);      byteFina = cipher.doFinal(byteS);    } catch (Exception e) {      e.printStackTrace();    } finally {      cipher = null;    }    return byteFina;  }  /**   * 解密以byte[]密文输入,以byte[]明文输出   *   * @param byteD   * @return   */  private static byte[] getDesCode(byte[] byteD,Key key) {    Cipher cipher;    byte[] byteFina = null;    try {      cipher = Cipher.getInstance("AES");      cipher.init(Cipher.DECRYPT_MODE, key);      byteFina = cipher.doFinal(byteD);    } catch (Exception e) {      e.printStackTrace();    } finally {      cipher = null;    }    return byteFina;  }  public static void main(String[] args) {    System.out.println(ThreeDES.crypt("bindMobile=13023130171&fenjihao=107", "bbbbb", 1));    System.out.println(ThreeDES.crypt("GT+F0fcFNGiq73/+FaX9pK9n9zqxwqz9sZ7MQdSp1BxWJXWn7EwnvniQpAOaGi0W", "bbbbb", 2));  }}