fix: 自定义标签
This commit is contained in:
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package cn.iocoder.yudao.module.car.baidu;
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import com.alibaba.fastjson.JSON;
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import com.alibaba.fastjson.JSONObject;
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import javax.crypto.Cipher;
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import javax.crypto.spec.SecretKeySpec;
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import java.io.ByteArrayOutputStream;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.io.OutputStream;
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import java.net.HttpURLConnection;
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import java.net.URL;
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import java.net.URLEncoder;
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import java.nio.charset.StandardCharsets;
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import java.nio.file.Files;
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import java.nio.file.Paths;
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import java.util.Base64;
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import java.util.List;
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import java.util.Map;
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/**
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* 获取 token + 身份证识别（百度 OCR，AES 加解密）。
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*/
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public class IdcardRecognizer {
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private static final String IDCARD_OCR_URL = "https://aip.baidubce.com/rest/2.0/ocr/v1/idcard";
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private final String accessToken;
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private byte[] originAesKey;
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public IdcardRecognizer(String accessToken, String aesKey) {
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this.accessToken = accessToken;
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try {
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this.originAesKey = AesKeyUtil.parseAesKey(aesKey);
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} catch (Exception e) {
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throw new IllegalArgumentException("aesKey 非法，需 16 位 hex", e);
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}
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}
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// ===================== 获取 token（你原来的逻辑） =====================
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/**
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* 获取权限token
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* @return 返回示例：
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* {
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* "access_token": "24.460da4889caad24cccdb1fea17221975.2592000.1491995545.282335-1234567",
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* "expires_in": 2592000
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* }
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*/
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public static String getAuth() {
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String clientId = "mYchXvYyrwXbTscZ0HWfR88s";
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String clientSecret = "AD4QSVg7OMP0GGkcqxkDSwrn7V7rkShN";
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return getAuth(clientId, clientSecret);
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}
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/**
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* 获取API访问token
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* @param ak - 百度云官网获取的 API Key
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* @param sk - 百度云官网获取的 Securet Key
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* @return assess_token
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*/
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public static String getAuth(String ak, String sk) {
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String authHost = "https://aip.baidubce.com/oauth/2.0/token?";
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String getAccessTokenUrl = authHost
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+ "grant_type=client_credentials"
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+ "&client_id=" + ak
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+ "&client_secret=" + sk;
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try {
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URL realUrl = new URL(getAccessTokenUrl);
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HttpURLConnection connection = (HttpURLConnection) realUrl.openConnection();
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connection.setRequestMethod("GET");
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connection.connect();
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Map<String, List<String>> map = connection.getHeaderFields();
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for (String key : map.keySet()) {
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System.err.println(key + "--->" + map.get(key));
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}
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BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
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String result = "";
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String line;
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while ((line = in.readLine()) != null) {
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result += line;
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}
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System.err.println("result:" + result);
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JSONObject jsonObject = JSONObject.parseObject(result);
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String access_token = jsonObject.getString("access_token");
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return access_token;
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} catch (Exception e) {
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System.err.printf("获取token失败！");
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e.printStackTrace(System.err);
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}
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return null;
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}
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// ===================== 身份证识别（AES 加解密） =====================
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/**
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* 识别身份证图片（本地文件路径）
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* @param filePath 图片本地路径
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* @param side 正面 "front" 或反面 "back"
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* @return 解析后的身份证字段，识别失败返回 null
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*/
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public IdcardResult recognize(String filePath, String side) throws Exception {
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byte[] imgData = Files.readAllBytes(Paths.get(filePath));
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return recognize(imgData, side);
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}
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/**
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* 识别身份证图片（字节数组，适合上传场景）
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* @param imgData 图片字节
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* @param side 正面 "front" 或反面 "back"
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* @return 解析后的身份证字段，识别失败返回 null
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*/
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public IdcardResult recognize(byte[] imgData, String side) throws Exception {
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String plainJson = recognizePlainJson(imgData, side);
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return (plainJson == null || plainJson.isEmpty()) ? null : parseToResult(plainJson, side);
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}
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/**
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* 识别并返回解密后的明文 JSON（便于调试/落库）。
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*/
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public String recognizePlainJson(byte[] imgData, String side) throws Exception {
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String imgStr = encryptImg(imgData);
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String imgParam = URLEncoder.encode(imgStr, "UTF-8");
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String body = "id_card_side=" + side + "&image=" + imgParam + "&AESEncry=true";
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String rawResponse = HttpUtil.post(IDCARD_OCR_URL, accessToken, body);
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if (rawResponse == null || rawResponse.isEmpty()) {
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return null;
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}
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return decryptResult(rawResponse);
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}
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private String encryptImg(byte[] imgData) throws Exception {
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byte[] encImgBytes = AesUtil.encrypt(imgData, originAesKey);
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return Base64.getEncoder().encodeToString(encImgBytes);
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}
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private String decryptResult(String encryptResponse) throws Exception {
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JSONObject obj = JSON.parseObject(encryptResponse);
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String result = obj.getString("result");
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if (result == null) return null;
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byte[] arr = Base64.getDecoder().decode(result);
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return new String(AesUtil.decrypt(arr, originAesKey), "UTF-8");
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}
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private IdcardResult parseToResult(String plainJson, String side) {
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JSONObject root = JSON.parseObject(plainJson);
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JSONObject wordsResult = root.getJSONObject("words_result");
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if (wordsResult == null) return null;
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IdcardResult result = new IdcardResult();
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result.setSide("front".equalsIgnoreCase(side) ? "front" : "back");
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if ("front".equalsIgnoreCase(side)) {
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result.setName(getWords(wordsResult, "姓名"));
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result.setGender(getWords(wordsResult, "性别"));
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result.setNation(getWords(wordsResult, "民族"));
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result.setBirth(getWords(wordsResult, "出生"));
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result.setAddress(getWords(wordsResult, "住址"));
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result.setIdNumber(getWords(wordsResult, "公民身份号码"));
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} else {
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result.setIssueAuthority(getWords(wordsResult, "签发机关"));
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result.setValidDate(getWords(wordsResult, "有效期限"));
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}
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return result;
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}
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private static String getWords(JSONObject wordsResult, String key) {
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if (wordsResult == null) return null;
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JSONObject item = wordsResult.getJSONObject(key);
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return item == null ? null : item.getString("words");
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}
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// --------------- 结果 DTO ---------------
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public static class IdcardResult {
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private String side;
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private String name;
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private String gender;
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private String nation;
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private String birth;
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private String address;
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private String idNumber;
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private String issueAuthority;
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private String validDate;
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public String getSide() { return side; }
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public void setSide(String side) { this.side = side; }
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public String getName() { return name; }
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public void setName(String name) { this.name = name; }
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public String getGender() { return gender; }
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public void setGender(String gender) { this.gender = gender; }
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public String getNation() { return nation; }
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public void setNation(String nation) { this.nation = nation; }
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public String getBirth() { return birth; }
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public void setBirth(String birth) { this.birth = birth; }
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public String getAddress() { return address; }
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public void setAddress(String address) { this.address = address; }
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public String getIdNumber() { return idNumber; }
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public void setIdNumber(String idNumber) { this.idNumber = idNumber; }
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public String getIssueAuthority() { return issueAuthority; }
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public void setIssueAuthority(String issueAuthority) { this.issueAuthority = issueAuthority; }
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public String getValidDate() { return validDate; }
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public void setValidDate(String validDate) { this.validDate = validDate; }
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}
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// --------------- 工具类 ---------------
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static class HttpUtil {
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static String post(String url, String accessToken, String formBody) throws IOException {
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String fullUrl = url + "?access_token=" + URLEncoder.encode(accessToken, "UTF-8");
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byte[] bodyBytes = formBody.getBytes(StandardCharsets.UTF_8);
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HttpURLConnection conn = (HttpURLConnection) new URL(fullUrl).openConnection();
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conn.setRequestMethod("POST");
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conn.setConnectTimeout(15000);
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conn.setReadTimeout(30000);
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conn.setDoOutput(true);
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conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
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conn.setRequestProperty("Accept", "application/json");
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OutputStream os = conn.getOutputStream();
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try {
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os.write(bodyBytes);
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} finally {
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os.close();
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}
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int code = conn.getResponseCode();
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InputStream is = (code >= 200 && code < 300) ? conn.getInputStream() : conn.getErrorStream();
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if (is == null) return null;
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try {
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byte[] bytes = readAllBytes(is);
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return new String(bytes, "UTF-8");
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} finally {
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conn.disconnect();
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}
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}
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private static byte[] readAllBytes(InputStream in) throws IOException {
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byte[] buf = new byte[4096];
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int n;
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ByteArrayOutputStream bos = new ByteArrayOutputStream();
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while ((n = in.read(buf)) >= 0) {
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if (n > 0) bos.write(buf, 0, n);
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}
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return bos.toByteArray();
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}
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}
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static class AesKeyUtil {
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private static final String HEX = "0123456789abcdef";
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static byte[] parseAesKey(String hex) throws Exception {
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if (hex == null || hex.length() != 16) {
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throw new Exception("aes key 需为 16 位");
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}
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char[] data = hex.toCharArray();
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byte[] out = new byte[data.length];
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for (int i = 0; i < data.length; i++) {
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int f = HEX.indexOf(data[i]);
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if (f < 0) throw new Exception("aes key 需为 hex 字符");
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out[i] = (byte) f;
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}
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return out;
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}
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}
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static class AesUtil {
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private static final String ALGORITHM = "AES";
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private static final String ALGORITHM_STR = "AES/ECB/PKCS5Padding";
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static byte[] encrypt(byte[] src, byte[] aesKey) throws Exception {
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Cipher cipher = getCipher(aesKey, Cipher.ENCRYPT_MODE);
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return cipher.doFinal(src);
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}
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static byte[] decrypt(byte[] src, byte[] aesKey) throws Exception {
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Cipher cipher = getCipher(aesKey, Cipher.DECRYPT_MODE);
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return cipher.doFinal(src);
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}
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private static Cipher getCipher(byte[] aesKey, int mode) throws Exception {
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SecretKeySpec spec = new SecretKeySpec(aesKey, ALGORITHM);
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Cipher cipher = Cipher.getInstance(ALGORITHM_STR);
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cipher.init(mode, spec);
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return cipher;
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}
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}
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// --------------- 测试 main（改下面三个变量后直接运行） ---------------
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public static void main(String[] args) throws Exception {
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// 1. 用你原来的 getAuth 拿 token
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String accessToken = getAuth();
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if (accessToken == null) {
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System.out.println("获取 access_token 失败");
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return;
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}
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// 2. 从控制台拿 16 位 aesKey（hex 字符串）
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String aesKey = "填写16位aesKey";
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String filePath = "填写身份证图片路径";
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String side = "front"; // front 正面 / back 反面
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IdcardRecognizer recognizer = new IdcardRecognizer(accessToken, aesKey);
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IdcardResult result = recognizer.recognize(filePath, side);
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System.out.println("========== 识别结果 ==========");
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System.out.println(JSON.toJSONString(result, true));
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}
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}
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@@ -0,0 +1,254 @@
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package com.ydoyun.ocr;
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import com.alibaba.fastjson.JSON;
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import com.alibaba.fastjson.JSONObject;
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import javax.crypto.Cipher;
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import javax.crypto.spec.SecretKeySpec;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.net.HttpURLConnection;
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import java.net.URL;
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import java.net.URLEncoder;
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import java.nio.charset.StandardCharsets;
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import java.nio.file.Files;
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import java.nio.file.Paths;
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import java.util.Base64;
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/**
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* 身份证识别器：调用百度 OCR 身份证接口（AES 加密传输），解析并返回所需字段。
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* 需配置：accessToken、aesKey（16 位 hex），可从百度控制台获取。
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*/
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public class IdcardRecognizer {
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private static final String IDCARD_OCR_URL = "https://aip.baidubce.com/rest/2.0/ocr/v1/idcard";
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private final String accessToken;
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private byte[] originAesKey;
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public IdcardRecognizer(String accessToken, String aesKey) {
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this.accessToken = accessToken;
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try {
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this.originAesKey = AesKeyUtil.parseAesKey(aesKey);
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} catch (Exception e) {
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throw new IllegalArgumentException("aesKey 非法，需 16 位 hex", e);
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}
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}
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/**
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* 识别身份证图片（本地文件路径）
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*
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* @param filePath 图片本地路径
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* @param side 正面 "front" 或反面 "back"
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* @return 解析后的身份证字段，识别失败返回 null
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*/
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public IdcardResult recognize(String filePath, String side) throws IOException, Exception {
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byte[] imgData = Files.readAllBytes(Paths.get(filePath));
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return recognize(imgData, side);
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}
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/**
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* 识别身份证图片（字节数组，适合上传场景）
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*
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* @param imgData 图片字节
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* @param side 正面 "front" 或反面 "back"
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* @return 解析后的身份证字段，识别失败返回 null
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*/
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public IdcardResult recognize(byte[] imgData, String side) throws Exception {
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String plainJson = recognizePlainJson(imgData, side);
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return (plainJson == null || plainJson.isEmpty()) ? null : parseToResult(plainJson, side);
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}
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/**
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* 识别并返回解密后的明文 JSON（便于调试/落库/自行解析）。
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*/
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public String recognizePlainJson(byte[] imgData, String side) throws Exception {
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String imgStr = encryptImg(imgData);
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String imgParam = URLEncoder.encode(imgStr, StandardCharsets.UTF_8.name());
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String body = "id_card_side=" + side + "&image=" + imgParam + "&AESEncry=true";
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String rawResponse = HttpUtil.post(IDCARD_OCR_URL, accessToken, body);
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if (rawResponse == null || rawResponse.isEmpty()) {
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return null;
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}
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return decryptResult(rawResponse);
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}
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private String encryptImg(byte[] imgData) throws Exception {
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byte[] encImgBytes = AesUtil.encrypt(imgData, originAesKey);
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return Base64.getEncoder().encodeToString(encImgBytes);
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}
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private String decryptResult(String encryptResponse) throws Exception {
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JSONObject obj = JSON.parseObject(encryptResponse);
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String result = obj.getString("result");
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if (result == null) return null;
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byte[] arr = Base64.getDecoder().decode(result);
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return new String(AesUtil.decrypt(arr, originAesKey), StandardCharsets.UTF_8);
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}
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private IdcardResult parseToResult(String plainJson, String side) {
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JSONObject root = JSON.parseObject(plainJson);
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JSONObject wordsResult = root.getJSONObject("words_result");
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if (wordsResult == null) return null;
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IdcardResult result = new IdcardResult();
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result.setSide("front".equalsIgnoreCase(side) ? "front" : "back");
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if ("front".equalsIgnoreCase(side)) {
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result.setName(getWords(wordsResult, "姓名"));
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result.setGender(getWords(wordsResult, "性别"));
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result.setNation(getWords(wordsResult, "民族"));
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result.setBirth(getWords(wordsResult, "出生"));
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result.setAddress(getWords(wordsResult, "住址"));
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result.setIdNumber(getWords(wordsResult, "公民身份号码"));
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} else {
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result.setIssueAuthority(getWords(wordsResult, "签发机关"));
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result.setValidDate(getWords(wordsResult, "有效期限"));
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}
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return result;
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}
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private static String getWords(JSONObject wordsResult, String key) {
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if (wordsResult == null) return null;
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JSONObject item = wordsResult.getJSONObject(key);
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return item == null ? null : item.getString("words");
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}
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// --------------- 结果 DTO ---------------
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public static class IdcardResult {
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private String side;
|
||||
private String name;
|
||||
private String gender;
|
||||
private String nation;
|
||||
private String birth;
|
||||
private String address;
|
||||
private String idNumber;
|
||||
private String issueAuthority;
|
||||
private String validDate;
|
||||
|
||||
public String getSide() { return side; }
|
||||
public void setSide(String side) { this.side = side; }
|
||||
public String getName() { return name; }
|
||||
public void setName(String name) { this.name = name; }
|
||||
public String getGender() { return gender; }
|
||||
public void setGender(String gender) { this.gender = gender; }
|
||||
public String getNation() { return nation; }
|
||||
public void setNation(String nation) { this.nation = nation; }
|
||||
public String getBirth() { return birth; }
|
||||
public void setBirth(String birth) { this.birth = birth; }
|
||||
public String getAddress() { return address; }
|
||||
public void setAddress(String address) { this.address = address; }
|
||||
public String getIdNumber() { return idNumber; }
|
||||
public void setIdNumber(String idNumber) { this.idNumber = idNumber; }
|
||||
public String getIssueAuthority() { return issueAuthority; }
|
||||
public void setIssueAuthority(String issueAuthority) { this.issueAuthority = issueAuthority; }
|
||||
public String getValidDate() { return validDate; }
|
||||
public void setValidDate(String validDate) { this.validDate = validDate; }
|
||||
}
|
||||
|
||||
// --------------- 工具类 ---------------
|
||||
|
||||
static class HttpUtil {
|
||||
static String post(String url, String accessToken, String formBody) throws IOException {
|
||||
String fullUrl = url + "?access_token=" + URLEncoder.encode(accessToken, "UTF-8");
|
||||
byte[] bodyBytes = formBody.getBytes(StandardCharsets.UTF_8);
|
||||
|
||||
HttpURLConnection conn = (HttpURLConnection) new URL(fullUrl).openConnection();
|
||||
conn.setRequestMethod("POST");
|
||||
conn.setConnectTimeout(15_000);
|
||||
conn.setReadTimeout(30_000);
|
||||
conn.setDoOutput(true);
|
||||
conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
|
||||
conn.setRequestProperty("Accept", "application/json");
|
||||
|
||||
try (OutputStream os = conn.getOutputStream()) {
|
||||
os.write(bodyBytes);
|
||||
}
|
||||
|
||||
int code = conn.getResponseCode();
|
||||
InputStream is = (code >= 200 && code < 300) ? conn.getInputStream() : conn.getErrorStream();
|
||||
if (is == null) return null;
|
||||
try (InputStream in = is) {
|
||||
byte[] bytes = readAllBytes(in);
|
||||
return new String(bytes, StandardCharsets.UTF_8);
|
||||
} finally {
|
||||
conn.disconnect();
|
||||
}
|
||||
}
|
||||
|
||||
private static byte[] readAllBytes(InputStream in) throws IOException {
|
||||
byte[] buf = new byte[4096];
|
||||
int n;
|
||||
ByteArrayOutputStream bos = new ByteArrayOutputStream();
|
||||
while ((n = in.read(buf)) >= 0) {
|
||||
if (n > 0) bos.write(buf, 0, n);
|
||||
}
|
||||
return bos.toByteArray();
|
||||
}
|
||||
}
|
||||
|
||||
static class AesKeyUtil {
|
||||
private static final String HEX = "0123456789abcdef";
|
||||
|
||||
static byte[] parseAesKey(String hex) throws Exception {
|
||||
if (hex == null || hex.length() != 16) {
|
||||
throw new Exception("aes key 需为 16 位");
|
||||
}
|
||||
char[] data = hex.toCharArray();
|
||||
byte[] out = new byte[data.length];
|
||||
for (int i = 0; i < data.length; i++) {
|
||||
int f = HEX.indexOf(data[i]);
|
||||
if (f < 0) throw new Exception("aes key 需为 hex 字符");
|
||||
out[i] = (byte) f;
|
||||
}
|
||||
return out;
|
||||
}
|
||||
}
|
||||
|
||||
static class AesUtil {
|
||||
private static final String ALGORITHM = "AES";
|
||||
private static final String ALGORITHM_STR = "AES/ECB/PKCS5Padding";
|
||||
|
||||
static byte[] encrypt(byte[] src, byte[] aesKey) throws Exception {
|
||||
Cipher cipher = getCipher(aesKey, Cipher.ENCRYPT_MODE);
|
||||
return cipher.doFinal(src);
|
||||
}
|
||||
|
||||
static byte[] decrypt(byte[] src, byte[] aesKey) throws Exception {
|
||||
Cipher cipher = getCipher(aesKey, Cipher.DECRYPT_MODE);
|
||||
return cipher.doFinal(src);
|
||||
}
|
||||
|
||||
private static Cipher getCipher(byte[] aesKey, int mode) throws Exception {
|
||||
SecretKeySpec spec = new SecretKeySpec(aesKey, ALGORITHM);
|
||||
Cipher cipher = Cipher.getInstance(ALGORITHM_STR);
|
||||
cipher.init(mode, spec);
|
||||
return cipher;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 本地快速测试入口（JDK8 可运行，直接改下面四个变量再运行）。
|
||||
*/
|
||||
public static void main(String[] args) throws Exception {
|
||||
// TODO：替换成你自己的配置
|
||||
String accessToken = "填写你的 access_token";
|
||||
String aesKey = "填写 16 位 aesKey（hex 字符串）";
|
||||
String side = "front"; // front 正面 / back 反面
|
||||
String filePath = "填写身份证图片本地路径";
|
||||
|
||||
IdcardRecognizer recognizer = new IdcardRecognizer(accessToken, aesKey);
|
||||
IdcardResult result = recognizer.recognize(filePath, side);
|
||||
System.out.println(JSON.toJSONString(result, true));
|
||||
|
||||
// 如果你要看解密后的明文 JSON（排查字段/定位问题），放开下面三行：
|
||||
// byte[] img = Files.readAllBytes(Paths.get(filePath));
|
||||
// String plain = recognizer.recognizePlainJson(img, side);
|
||||
// System.out.println(plain);
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user