请教一个php,java加接密的问题

package com.rongshu.config;

import javax.crypto.BadPaddingException;
import javax.crypto.Cipher;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.NoSuchPaddingException;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.net.URLEncoder;
import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.util.Base64;
public class SecurityUtil {

public static final String KEY ="_@Ks`Y*9jLb.hvho}C;GwDpw";
public static final String IV = "2%8iTpSi";
public static final String DEFAULT_ENC_NAME = "UTF-8";
public static String java_openssl_encrypt(String data) {
    return java_openssl_encrypt(data, IV);
}
public static String java_openssl_encrypt(String data, String iv) {
    try {
        Cipher cipher = createCipher(iv, Cipher.ENCRYPT_MODE);
        return URLEncoder.encode(Base64.getEncoder().encodeToString(cipher.doFinal(data.getBytes())), DEFAULT_ENC_NAME);
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    } catch (NoSuchPaddingException e) {
        e.printStackTrace();
    } catch (InvalidKeyException e) {
        e.printStackTrace();
    } catch (InvalidAlgorithmParameterException e) {
        e.printStackTrace();
    } catch (IllegalBlockSizeException e) {
        e.printStackTrace();
    } catch (BadPaddingException e) {
        e.printStackTrace();
    } catch (UnsupportedEncodingException e) {
        e.printStackTrace();
    }
    return null;
}

public static String java_openssl_decrypt(String data) {
    return java_openssl_decrypt(data, IV);
}

public static String java_openssl_decrypt(String data, String iv) {
    try {
        Cipher cipher = createCipher(iv, Cipher.DECRYPT_MODE);
        return new String(cipher.doFinal(Base64.getDecoder().decode(URLDecoder.decode(data, DEFAULT_ENC_NAME))));
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    } catch (NoSuchPaddingException e) {
        e.printStackTrace();
    } catch (InvalidKeyException e) {
        e.printStackTrace();
    } catch (InvalidAlgorithmParameterException e) {
        e.printStackTrace();
    } catch (UnsupportedEncodingException e) {
        e.printStackTrace();
    } catch (IllegalBlockSizeException e) {
        e.printStackTrace();
    } catch (BadPaddingException e) {
        e.printStackTrace();
    }
    return null;
}


private static Cipher createCipher(String iv, int mode) throws NoSuchAlgorithmException, NoSuchPaddingException,
        InvalidKeyException, InvalidAlgorithmParameterException {
    byte[] key = KEY.getBytes();
    Cipher cipher = Cipher.getInstance("DESede/CBC/PKCS5Padding");
    IvParameterSpec ivParameterSpec = new IvParameterSpec(iv.getBytes());
    cipher.init(mode, new SecretKeySpec(key, "DESede"), ivParameterSpec);
    return cipher;
}