电子发票/数电发票 Java SDK | 开票、验真、红冲一站式集成|云开票，开票系统
电子发票/数电发票 Java SDK | 开票、验真、红冲一站式集成
发票 Java SDK 专为电子发票、数电发票（全电发票）场景设计，支持开票、红冲、版式文件下载等核心功能，快速对接税务平台API。
关键词: 电子发票SDK,数电票Java,开票接口,发票api,发票开具,发票红冲,全电发票集成
⚡ 核心功能
基础认证
- ✅ 获取授权 - 快速接入税务平台身份认证
- ✅ 人脸二维码登录 - 支持数电发票平台扫码登录
- ✅ 认证状态查询 - 实时获取纳税人身份状态
发票开具
- 🧾 数电蓝票开具 - 支持增值税普通/专用电子发票
- 📥 版式文件下载 - 自动获取销项发票PDF/OFD/XML文件
发票红冲
- 🔍 红冲前蓝票查询 - 精确检索待红冲的电子发票
- 📋 红字信息表申请 - 生成红冲凭证
- ➖ 负数发票开具 - 自动化红冲流程
📦 快速安装
Maven
<dependency>
<groupId>io.github.fapiaoapi</groupId>
<artifactId>invoice</artifactId>
<version>1.0.26</version>
</dependency>Gradle
implementation 'io.github.fapiaoapi:invoice:1.0.26'本sdk仅支持Java 17+,其他版本请用旧版本
🚀 为什么选择此SDK？
- 精准覆盖中国数电发票标准 - 严格遵循国家最新接口规范
- 开箱即用 - 无需处理XML/签名等底层细节，专注业务逻辑
- 企业级验证 - 已在生产环境处理超100万张电子发票
🧾 支持的开票类型
| 发票类型 | 状态 |
|---|---|
| 数电发票（普通发票） | ✅ 支持 |
| 数电发票（增值税专用发票） | ✅ 支持 |
| 数电发票（铁路电子客票） | ✅ 支持 |
| 数电发票（航空运输电子客票行程单） | ✅ 支持 |
| 数电票（二手车销售统一发票） | ✅ 支持 |
| 数电纸质发票（增值税专用发票） | ✅ 支持 |
| 数电纸质发票（普通发票） | ✅ 支持 |
| 数电纸质发票（机动车发票） | ✅ 支持 |
| 数电纸质发票（二手车发票） | ✅ 支持 |
🤝 贡献与支持
- 提交Issue: 问题反馈
- 商务合作: yuejianghe@qq.com
🚀 快速开始
package tax.invoice.example;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.EncodeHintType;
import com.google.zxing.WriterException;
import com.google.zxing.client.j2se.MatrixToImageWriter;
import com.google.zxing.common.BitMatrix;
import com.google.zxing.qrcode.QRCodeWriter;
import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
import redis.clients.jedis.Jedis;
import tax.invoice.InvoiceClient;
import tax.invoice.model.ApiResponse;
import tax.invoice.model.AuthorizationResponse;
import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.*;
import java.util.concurrent.*;
import static java.lang.Thread.sleep;
public class BasicExample {
public static String appKey = "";
public static String appSecret = "";
public static String nsrsbh = "";// 统一社会信用代码
public static String title = "";// 名称（营业执照）
public static String username = "";// 手机号码（电子税务局）
public static String password = "";// 个人用户密码（电子税务局）
public static String type = "6";// 6 基础 7标准
public static String xhdwdzdh = "重庆市渝北区龙溪街道丽园路2号XXXX 1325580XXXX"; // 地址和电话 空格隔开
public static String xhdwyhzh = "工商银行XXXX 15451211XXXX";// 开户行和银行账号 空格隔开
public static String token = "";
public static boolean debug = true; // 是否打印日志
// 创建客户端
public static InvoiceClient client = new InvoiceClient(appKey, appSecret,debug);
// redis
public static Jedis redisClient = new Jedis("127.0.0.1", 6379);
public static void main(String[] args) {
// 配置信息
try {
// 显式设置 System.out 的编码为 UTF-8
System.setOut(new PrintStream(System.out, true, "UTF-8"));
redisClient.auth("test123456");
System.out.println("java " + System.getProperty("java.version"));
ExecutorService executor = Executors.newSingleThreadExecutor();
Future<String> future = executor.submit(() -> new Scanner(System.in).nextLine());
/*
*
* 一 获取token
*/
getToken(false);
// 二 开具蓝票
/*
* 前端模拟数电发票/电子发票开具 (蓝字发票)
* @see https://fa-piao.com/fapiao.html?source=github
*
*/
ApiResponse<Map<String, Object>> invoiceResponse = blueTicket();
switch (invoiceResponse.getCode()) {
case 200:
Map<String, Object> invoiceData = invoiceResponse.getData();
// 三 下载发票
downloadPdfOfdXml(invoiceData.get("Fphm").toString(),invoiceData.get("Kprq").toString());
break;
case 420:
System.out.println("420 登录(短信认证)");
/*
* 前端模拟短信认证弹窗
*
* @see https://fa-piao.com/fapiao.html?action=sms&source=github
*/
// 1. 发短信验证码
/*
* @see https://fa-piao.com/doc.html#api2?source=github
*/
ApiResponse<Map<String, Object>> loginResponse = client.loginDppt(nsrsbh, username, password,"");
if (loginResponse.getCode() == 200) {
System.out.println("请输入验证码");
try {
System.out.print("300秒内("
+ LocalDateTime.now().plusSeconds(300)
.format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"))
+ "前)输入内容: ");
String smsCode = future.get(300, TimeUnit.SECONDS);
System.out.println("? 成功获取输入: " + smsCode + " \n" + "当前时间: " + LocalDateTime.now()
.format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")));
// 2. 输入验证码
/*
* @see https://fa-piao.com/doc.html#api2?source=github
*/
ApiResponse<Map<String, Object>> loginResponse2 = client.loginDppt(nsrsbh, username,
password, smsCode);
if (loginResponse2.getCode() == 200) {
System.out.println("验证成功");
System.out.println("请再次调用blueTicket");
ApiResponse<Map<String, Object>> invoiceResponse2 = blueTicket();
if(invoiceResponse2.getCode() == 200) {
downloadPdfOfdXml(invoiceResponse2.getData().get("Fphm").toString(),invoiceResponse2.getData().get("Kprq").toString());
}
} else {
System.out.println(loginResponse2.getCode() + "验证失败: " + loginResponse2.getMsg());
}
} catch (TimeoutException | InterruptedException | ExecutionException e) {
System.out.println("\n短信认证输入超时！");
future.cancel(true);
}
executor.shutdown();
} else {
System.out.println(loginResponse.getCode() + "发短信验证码失败: " + loginResponse.getMsg());
}
break;
case 430:
System.out.println("430 人脸认证");
/*
* 前端模拟人脸认证弹窗
*
* @see https://fa-piao.com/fapiao.html?action=face&source=github
*/
// 1. 获取人脸二维码
/*
* @see https://fa-piao.com/doc.html#api3?source=github
*/
ApiResponse<Map<String, Object>> qrCodeResponse = client.getFaceImg(nsrsbh, username, "1");
Map<String, Object> qrData = qrCodeResponse.getData();
if (qrData == null) {
System.out.println("人脸二维码返回为空: " + qrCodeResponse.getMsg());
break;
}
Object ewmlyObj = qrData.get("ewmly");
String ewmly = ewmlyObj == null ? "" : ewmlyObj.toString();
System.out.println("swj".equals(ewmly) ? "请使用电子税务局app扫码" : "个人所得税app扫码");
Object ewmObj = qrData.get("ewm");
if (ewmObj != null && ewmObj.toString().length() < 500) {
// 字符串转二维码图片base64
/*
<dependency>
<groupId>com.google.zxing</groupId>
<artifactId>core</artifactId>
<version>3.5.3</version>
</dependency>
<dependency>
<groupId>com.google.zxing</groupId>
<artifactId>javase</artifactId>
<version>3.5.3</version>
</dependency>
*/
// String base64 = toBase64((String) ewmObj,300);
// qrData.put("ewm", base64);
// System.out.println("data:image/png;base64," + base64);
// String base64Uri = "data:image/png;base64," + base64;
// 前端使用示例: <img src="base64Uri" />
}
//字符串转二维码图片 命令行终端打印
stringToQrcode((String) ewmObj);
System.out.println("成功做完人脸认证,请输入数字 1");
try {
System.out.print("300秒内(" + LocalDateTime.now().plusSeconds(300)
.format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")) + "前)输入内容: ");
String inputNum = future.get(300, TimeUnit.SECONDS);
System.out.println("? 成功获取输入: " + inputNum + " \n" + "当前时间: "
+ LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")));
// 2. 认证完成后获取人脸二维码认证状态
/*
* @see https://fa-piao.com/doc.html#api4?source=github
*/
String rzid = qrCodeResponse.getData().get("rzid").toString();
ApiResponse<Map<String, Object>> faceStatusResponse = client.getFaceState(nsrsbh, rzid,username, "1");
if (faceStatusResponse.getData() != null) {
String slzt = faceStatusResponse.getData().get("slzt").toString();
if ("2".equals(slzt)) {
System.out.println("认证状态: 成功");
System.out.println("请再次调用blueTicket");
ApiResponse<Map<String, Object>> invoiceResponse3 = blueTicket();
if(invoiceResponse3.getCode() == 200) {
downloadPdfOfdXml(invoiceResponse3.getData().get("Fphm").toString(),invoiceResponse3.getData().get("Kprq").toString());
}
} else {
System.out.println("认证状态: " + ("1".equals(slzt) ? "未认证" : "二维码过期"));
}
}
} catch (TimeoutException | InterruptedException | ExecutionException e) {
System.out.println("\n人脸认证输入超时！");
future.cancel(true);
}
executor.shutdown();
break;
case 401:
// token过期 重新获取并缓存token
System.out.println(invoiceResponse.getCode() + "授权失败:" + invoiceResponse.getMsg());
System.out.println("401 token过期 重新获取并缓存token");
sleep(1000);
getToken(true);
System.out.println("再调用blueTicket");
ApiResponse<Map<String, Object>> invoiceResponse4 = blueTicket();
if(invoiceResponse4.getCode() == 200) {
downloadPdfOfdXml(invoiceResponse4.getData().get("Fphm").toString(),invoiceResponse4.getData().get("Kprq").toString());
}
break;
default:
System.out.println(invoiceResponse.getCode() + "异常" + invoiceResponse.getMsg());
break;
}
} catch (Exception e) {
System.out.println("系统错误: " + e.getMessage());
e.printStackTrace();
}
}
// 获取token
public static void getToken(Boolean ForceUpdate) throws Exception {
/*
* <dependency>
* <groupId>redis.clients</groupId>
* <artifactId>jedis</artifactId>
* <version>3.9.0</version>
* </dependency>
*/
String redisKey = nsrsbh + "@" + username + "@TOKEN";
if (ForceUpdate) {
/*
* 获取授权Token文档
*
* @see https://fa-piao.com/doc.html#api1?source=github
*/
ApiResponse<AuthorizationResponse> authResponse = client.getAuthorization(nsrsbh, type);
// ApiResponse<AuthorizationResponse> authResponse = client.getAuthorization(nsrsbh,type,username,password);
if (authResponse.isSuccess()) {
token = authResponse.getData().getToken();
redisClient.setex(redisKey, 3600 * 24 * 30, token); // 设置30天过期
client.setAuthorization(token);
}
} else {
// 从Redis获取Token
String token = redisClient.get(redisKey);
if (token == null || token.isEmpty()) {
ApiResponse<AuthorizationResponse> authResponse = client.getAuthorization(nsrsbh, type);
// ApiResponse<AuthorizationResponse> authResponse = client.getAuthorization(nsrsbh,type,username,password);
if (authResponse.isSuccess()) {
token = authResponse.getData().getToken();
redisClient.setex(redisKey, 3600 * 24 * 30, token); // 设置30天过期
client.setAuthorization(token);
}
}else{
client.setAuthorization(token);
}
}
}
// 蓝票
public static ApiResponse<Map<String, Object>> blueTicket() throws Exception {
/*
*
* 开票税额计算说明demo
*
* @see
* https://github.com/fapiaoapi/invoice-sdk-java/blob/master/examples/TaxExample
* .java
*/
Map<String, Object> invoiceParams = new LinkedHashMap<>();
invoiceParams.put("fplxdm", "82");
invoiceParams.put("fpqqlsh", appKey + System.currentTimeMillis());
invoiceParams.put("ghdwmc", "张四");
// invoiceParams.put("ghdwsbh", "914208XXXXXXX");
invoiceParams.put("hjje", 9.9);
invoiceParams.put("hjse", 0.1);
invoiceParams.put("jshj", 10);
invoiceParams.put("kplx", 0);
invoiceParams.put("username", username);
invoiceParams.put("xhdwdzdh", xhdwdzdh);
invoiceParams.put("xhdwmc", title);
invoiceParams.put("xhdwsbh", nsrsbh);
invoiceParams.put("xhdwyhzh", xhdwyhzh);
invoiceParams.put("zsfs", 0);
invoiceParams.put("fyxm[0][fphxz]", 0);
invoiceParams.put("fyxm[0][spmc]", "*玩具*益智玩具");
// invoiceParams.put("fyxm[0][ggxh]", "");
// invoiceParams.put("fyxm[0][dw]", "个");
// invoiceParams.put("fyxm[0][spsl]", 1);
// invoiceParams.put("fyxm[0][dj]", 10);
invoiceParams.put("fyxm[0][je]", 10);
invoiceParams.put("fyxm[0][sl]", 0.01);
invoiceParams.put("fyxm[0][se]", 0.1);
invoiceParams.put("fyxm[0][hsbz]", 1);
invoiceParams.put("fyxm[0][spbm]", "1060408990000000000");
/*
* 开具数电发票文档
* @see https://fa-piao.com/doc.html#api6?source=github
*
*/
return client.blueTicket(invoiceParams);
}
// 发票下载
public static void downloadPdfOfdXml(String fphm,String kprq) throws Exception {
System.out.println("发票号码: " + fphm);
System.out.println("开票日期: " + kprq);
/*
* 获取销项数电版式文件
*
* @see https://fa-piao.com/doc.html#api7?source=github
*
*/
Map<String, Object> pdfParams = new HashMap<>();
pdfParams.put("downflag", "4");
pdfParams.put("nsrsbh", nsrsbh);
pdfParams.put("username", username);
pdfParams.put("fphm", fphm);
pdfParams.put("Kprq", kprq);
ApiResponse<Map<String, Object>> pdfResponse = client.getPdfOfdXml(pdfParams);
if (pdfResponse.isSuccess()) {
System.out.println("发票下载成功");
System.out.println(pdfResponse.getData());
}
}
// 生成二维码图片base64
public static String toBase64(String text, int size) {
try {
BitMatrix matrix = new QRCodeWriter().encode(text, BarcodeFormat.QR_CODE, size, size);
ByteArrayOutputStream out = new ByteArrayOutputStream();
MatrixToImageWriter.writeToStream(matrix, "PNG", out);
return Base64.getEncoder().encodeToString(out.toByteArray());
} catch (Exception e) {
throw new RuntimeException("生成二维码失败", e);
}
}
// 字符串转二维码 在命令行输出
public static void stringToQrcode(String content) {
try {
ErrorCorrectionLevel ecLevel = content.length() > 50 ? ErrorCorrectionLevel.L : ErrorCorrectionLevel.M;
Map<EncodeHintType, Object> hints = new HashMap<>();
hints.put(EncodeHintType.CHARACTER_SET, "UTF-8");
hints.put(EncodeHintType.ERROR_CORRECTION, ecLevel);
hints.put(EncodeHintType.MARGIN, 0);
BitMatrix matrix = new QRCodeWriter().encode(content, BarcodeFormat.QR_CODE, 1, 1, hints);
int size = matrix.getWidth();
int maxModules = 52;
int scale = Math.max(1, (int) Math.ceil((double) size / maxModules));
int renderedSize = (int) Math.ceil((double) size / scale);
System.out.println("请扫描下方二维码 (内容长度: " + content.length() + ", 原尺寸: " + size + "x" + size + ", 输出尺寸: " + renderedSize + "x" + renderedSize + ")");
renderQrCompact(matrix, scale);
System.out.println("扫描结束");
} catch (WriterException e) {
e.printStackTrace();
}
}
public static void renderQrCompact(BitMatrix matrix, int scale) {
int size = matrix.getWidth();
int colIndex;
for (int y = 0; y < size; y += scale * 2) {
StringBuilder line = new StringBuilder();
colIndex = 0;
for (int x = 0; x < size; x += scale) {
boolean topBlack = hasBlackInBlock(matrix, x, y, scale);
boolean bottomBlack = hasBlackInBlock(matrix, x, y + scale, scale);
boolean useNarrowCell = (colIndex + 1) % 5 == 0;
if (topBlack && bottomBlack) {
line.append(useNarrowCell ? "█" : "██");
} else if (topBlack) {
line.append(useNarrowCell ? "▀" : "▀▀");
} else if (bottomBlack) {
line.append(useNarrowCell ? "▄" : "▄▄");
} else {
line.append(useNarrowCell ? " " : " ");
}
colIndex++;
}
System.out.println(line);
}
}
public static boolean hasBlackInBlock(BitMatrix matrix, int startX, int startY, int scale){
int width = matrix.getWidth();
if (startX >= width || startY >= width) {
return false;
}
int endX = Math.min(startX + scale, width);
int endY = Math.min(startY + scale, width);
for (int y = startY; y < endY; y++) {
for (int x = startX; x < endX; x++) {
if (matrix.get(x, y)) {
return true;
}
}
}
return false;
}
}