package jnpf.base.model.ocr.model;
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import com.alibaba.fastjson.JSONObject;
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import io.swagger.v3.oas.annotations.media.Schema;
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import jnpf.base.model.ocr.OcrModel;
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import jnpf.util.StringUtil;
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import lombok.Data;
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import lombok.EqualsAndHashCode;
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import lombok.NoArgsConstructor;
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import org.apache.commons.lang3.StringUtils;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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/**
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* ocr解析银行卡模型
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*
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* @author JNPF开发平台组
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* @version v6.1.0
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* @copyright 引迈信息技术有限公司
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* @date 2025/7/29 16:58:47
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*/
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@EqualsAndHashCode(callSuper = true)
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@Data
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@Schema(description = "ocr解析银行卡模型")
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@NoArgsConstructor
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public class BankCardModel extends OcrModel {
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@Schema(description = "银行卡号")
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private String code;
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@Schema(description = "银行名称")
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private String name;
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@Schema(description = "银行卡类型")
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private String cardType;
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@Schema(description = "有效期")
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private String validDate;
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@Override
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public void extract(String url, JSONObject body) {
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super.extract(url, body);
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if (StringUtil.isEmpty(this.getContent()) || !this.getContent().contains("银行")) {
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return;
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}
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this.setOther();
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this.setCardCode();
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this.setContent(null);
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this.setStrList(null);
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}
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private void setOther() {
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for (String str : this.getStrList()) {
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if (StringUtil.isNotEmpty(str)) {
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if (StringUtil.isEmpty(this.name) && str.endsWith("银行")) {
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this.name = str;
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}
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if (StringUtil.isEmpty(this.cardType) && str.contains("卡")) {
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this.cardType = str;
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}
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if (StringUtil.isEmpty(this.code) && str.matches("^(?=(?:\\D*\\d){10}).+$")) {
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this.code = StringUtils.getDigits(str);
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}
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if (StringUtil.isEmpty(this.validDate) && str.length() == 5 && str.matches("^(0[1-9]|1[0-2]).\\d{2}$")) {
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String substring = str.substring(2, 3);
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this.validDate = str.replace(substring, "/");
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}
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}
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}
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}
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private void setCardCode() {
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Pattern pattern = Pattern.compile("(\\d{16,19})");
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String str = this.getContent().replaceAll("\\s+", "");
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Matcher matcher = pattern.matcher(str);
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List<String> list = new ArrayList<>();
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while (matcher.find()) {
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list.add(matcher.group());
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}
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if (!list.isEmpty()) {
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for (String item : list) {
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if (isValidCardNumber(item)) { // 使用验证方法
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this.code = item;
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return;
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}
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}
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if (StringUtil.isEmpty(this.code)) {
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this.code = list.get(0);
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}
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}
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}
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/**
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* 验证银行卡号有效性
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*
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* @param cardNumber
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* @return
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*/
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public static boolean isValidCardNumber(String cardNumber) {
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if (cardNumber == null || (cardNumber.length() != 16 && cardNumber.length() != 19)) {
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return false;
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}
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// Luhn算法验证
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int sum = 0;
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boolean alternate = false;
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for (int i = cardNumber.length() - 1; i >= 0; i--) {
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int digit = Character.getNumericValue(cardNumber.charAt(i));
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if (alternate) {
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digit *= 2;
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if (digit > 9) {
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digit = (digit % 10) + 1;
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}
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}
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sum += digit;
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alternate = !alternate;
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}
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return (sum % 10 == 0);
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}
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}
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