数电发票乐企接口示例代码

有最新的吗？

网上找到的这个还是 lq.chinatax.gov.cn 旧的 最新的应该是 lqpt.chinatax.gov.cn 很久不写代码，都废了

import static channel.Channel.*;

public class JDKPMain {

static String key = "乐企";//乐企秘钥 static String jrdybm = "";//接入单位 id static String sydwbm = "";//使用单位 id static String ylbm ="" ;//用例编码 static String nsrsbh = "";//纳税人识别号 public static void main(String[] args) { CXNSRJBXX(); } /** * 查询纳税人基本信息 */ private static void CXNSRJBXX() { String url = "https://lqpt.chinatax.gov.cn:84/access/v2/invoke/202007/CXNSRJBXX"; //正式沙箱环境，https://lqpt.chinatax.gov.cn:8443/access/sandbox/v2/invoke/202007/CXNSRJBXX String param = "{\"nsrsbh\":\""+nsrsbh+"\"}"; request(url, param, key, jrdybm, sydwbm, ylbm); } 

}

package channel;

import com.alibaba.fastjson.JSON; import org.apache.http.HttpEntity; import org.apache.http.client.HttpClient; import org.apache.http.client.methods.CloseableHttpResponse; import org.apache.http.client.methods.HttpPost; import org.apache.http.conn.ssl.NoopHostnameVerifier; import org.apache.http.conn.ssl.SSLConnectionSocketFactory; import org.apache.http.entity.StringEntity; import org.apache.http.impl.client.HttpClientBuilder; import org.apache.http.util.EntityUtils;

import javax.net.ssl.SSLContext; import javax.net.ssl.TrustManager; import javax.net.ssl.X509TrustManager; import java.io.IOException; import java.nio.charset.StandardCharsets; import java.security.KeyManagementException; import java.security.NoSuchAlgorithmException; import java.security.cert.X509Certificate; import java.util.Map;

public class Channel {

public static String request(String url, String param, String key, String jrdybm, String sydwbm) { return request(url,param,key,jrdybm,sydwbm,null); } public static String request(String url, String param, String key, String jrdybm, String sydwbm, String ylbm) { param = param.replace("\n",""); param = param.replace("{ ","{"); param = param.replace(", ",","); param = param.replace(", ",","); param = param.replace("[ ","["); param = param.replace("{ ","{"); 

// System.out.println("\n 请求乐企服务地址:" + url); System.out.println("\n"); System.out.println("请求乐企原始报文:" + param); String encParam = SM4Util.encryptEcb(key, param); System.out.println("请求乐企加密报文:" + encParam); String result = postLeqi(url, encParam, jrdybm, sydwbm, ylbm); System.out.println("响应乐企原始报文:" + result); Map<String, Object> resultDTO = JSON.parseObject(result, Map.class); Map<String, Object> body = JSON.parseObject((String) resultDTO.get("body"), Map.class); Map<String, Object> respOnse= (Map<String, Object>) body.get("Response"); String data = (String) response.get("Data"); String resultMsg = SM4Util.decryptEcb(key, data); System.out.println("响应乐企解密报文:" + resultMsg); return resultMsg; }

public static String postLeqi(String url, String reqDTO, String jrdybm, String sydwbm, String ylbm) { try { SSLContext ctx = null; try { ctx = SSLContext.getInstance("SSL"); } catch (NoSuchAlgorithmException e) { throw new RuntimeException(e); } X509TrustManager tm = new X509TrustManager() { @Override public X509Certificate[] getAcceptedIssuers() { return null; } @Override public void checkClientTrusted(X509Certificate[] arg0, String arg1) { } @Override public void checkServerTrusted(X509Certificate[] arg0, String arg1) { } }; ctx.init(null, new TrustManager[]{tm}, null); SSLConnectionSocketFactory ssf = new SSLConnectionSocketFactory(ctx, NoopHostnameVerifier.INSTANCE); HttpClient httpClient = HttpClientBuilder.create().setSSLSocketFactory(ssf).disableCookieManagement().build(); HttpPost httpPost = new HttpPost(url); httpPost.addHeader("Content-Type", "application/json;charset="); httpPost.addHeader("Accept", "application/json"); httpPost.addHeader("jrdwptbh", jrdybm); httpPost.addHeader("sydwptbh", sydwbm); if (ylbm != null) { httpPost.addHeader("ylbm", ylbm); } StringEntity stringEntity = new StringEntity(reqDTO, StandardCharsets.UTF_8); httpPost.setEntity(stringEntity); CloseableHttpResponse respOnse= (CloseableHttpResponse) httpClient.execute( httpPost); HttpEntity respOnseEntity= response.getEntity(); return EntityUtils.toString(responseEntity); } catch (KeyManagementException | IOException e) { throw new RuntimeException(e); } } 

}

package channel;

import org.bouncycastle.jce.provider.BouncyCastleProvider; import org.bouncycastle.pqc.math.linearalgebra.ByteUtils; import org.bouncycastle.util.encoders.Hex;

import javax.crypto.; import javax.crypto.spec.SecretKeySpec; import java.nio.charset.Charset; import java.nio.charset.StandardCharsets; import java.security.; import java.util.Base64;

public class SM4Util {

private SM4Util() { } static { Security.addProvider(new BouncyCastleProvider()); } private static final Charset ENCODING = StandardCharsets.UTF_8; public static final String ALGORITHM_NAME = "SM4"; // 加密算法/分组加密模式/分组填充方式 // PKCS5Padding-以 8 个字节为一组进行分组加密 // 定义分组加密模式使用：PKCS5Padding public static final String ALGORITHM_NAME_ECB_PADDING = "SM4/ECB/PKCS5Padding"; // 128-32 位 16 进制； 256-64 位 16 进制 public static final int DEFAULT_KEY_SIZE = 128; /** * 自动生成密钥（ 16 进制字符串，长度 32 ） */ public static String generateKey() { return Hex.toHexString(generateKey(DEFAULT_KEY_SIZE)); } /** * @param keySize 密钥长度 */ public static byte[] generateKey(int keySize) { try { KeyGenerator kg = KeyGenerator.getInstance(ALGORITHM_NAME, BouncyCastleProvider.PROVIDER_NAME); kg.init(keySize, new SecureRandom()); return kg.generateKey().getEncoded(); } catch (NoSuchAlgorithmException | NoSuchProviderException e) { throw new RuntimeException(e); } } /** * 生成 ECB 暗号 * * @param algorithmName 算法名称 * @param mode 模式 * @param key 密码 */ private static Cipher generateEcbCipher(String algorithmName, int mode, byte[] key) { try { Cipher cipher = Cipher.getInstance(algorithmName, BouncyCastleProvider.PROVIDER_NAME); Key sm4Key = new SecretKeySpec(key, ALGORITHM_NAME); cipher.init(mode, sm4Key); return cipher; } catch (NoSuchAlgorithmException | InvalidKeyException | NoSuchPaddingException | NoSuchProviderException e) { throw new RuntimeException(e); } } /** * sm4 加密 ，加密模式：ECB * * @param hexKey 16 进制密钥（忽略大小写） * @param paramStr 待加密字符串 * @return 返回 Base64 后加密字符串 */ public static String encryptEcb(String hexKey, String paramStr) { try { // 16 进制字符串-->byte[] @SuppressWarnings("deprecation") byte[] keyData = ByteUtils.fromHexString(hexKey); // String-->byte[] byte[] srcData = paramStr.getBytes(ENCODING); // 加密后的数组 byte[] cipherArray = encryptEcbPadding(keyData, srcData); // byte[]-->hexString return Base64.getEncoder().encodeToString(cipherArray); } catch (Exception e) { throw new RuntimeException(e); } } /** * 加密模式为 ECB * * @param key 2 进制密钥 * @param data 2 进制原文 * @return 二进制密文 */ public static byte[] encryptEcbPadding(byte[] key, byte[] data) { Cipher cipher = generaeEcbCipher(ALGORITHM_NAME_ECB_PADDING, Cipher.ENCRYPT_MODE, key); try { return cipher.doFinal(data); } catch (IllegalBlockSizeException | BadPaddingException e) { throw new RuntimeException(e); } } /** * sm4 解密 ，解密模式：采用 ECB * * @param hexKey 16 进制密钥 * @param cipherText 16 进制的加密字符串（忽略大小写） * @return 解密后的字符串 */ public static String decryptEcb(String hexKey, String cipherText) { try { // hexString-->byte[] @SuppressWarnings("deprecation") byte[] keyData = ByteUtils.fromHexString(hexKey); // hexString-->byte[] byte[] cipherData = Base64.getDecoder().decode(cipherText); // 解密 byte[] srcData = decryptEcbPadding(keyData, cipherData); // 接收解密后的字符串 byte[]-->String return new String(srcData, ENCODING); } catch (Exception e) { throw new RuntimeException(e); } } /** * sm4 解密 * * @param key 2 进制密钥 * @param cipherText 2 进制密文 * @return 解密后的 2 进制原文 */ public static byte[] decryptEcbPadding(byte[] key, byte[] cipherText) { Cipher cipher = generateEcbCipher(ALGORITHM_NAME_ECB_PADDING, Cipher.DECRYPT_MODE, key); try { return cipher.doFinal(cipherText); } catch (IllegalBlockSizeException | BadPaddingException e) { throw new RuntimeException(e); } } 

}

//