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klp-oa/klp-reader/src/main/java/com/klp/reader/service/ScannerService.java

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+//package com.klp.reader.service;
+//
+//import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+//import com.klp.reader.entity.ScanResultEntity;
+//import com.klp.reader.mapper.ScanResultMapper;
+//import org.springframework.beans.factory.annotation.Autowired;
+//import org.springframework.stereotype.Service;
+//
+//import javax.annotation.PostConstruct;
+//import javax.annotation.PreDestroy;
+//import java.util.ArrayList;
+//
+//import MvCodeReaderCtrlWrapper.*;
+//import MvCodeReaderCtrlWrapper.MvCodeReaderCtrl.*;
+//import MvCodeReaderCtrlWrapper.MvCodeReaderCtrlDefine.*;
+//
+//@Service
+//public class ScannerService {
+//    private Handle hHandle;
+//
+//    @Autowired
+//    private ScanResultMapper scanResultMapper; // 你需要实现这个Mapper
+//
+//    @PostConstruct
+//    public void init() {
+//        ArrayList<MV_CODEREADER_DEVICE_INFO> stCamList = MvCodeReaderCtrl.MV_CODEREADER_EnumDevices();
+//        if (stCamList == null || stCamList.isEmpty()) {
+//            System.out.println("Find No Device!");
+//            return;
+//        }
+//        MV_CODEREADER_DEVICE_INFO deviceInfo = stCamList.get(0);
+//        try {
+//            hHandle = MvCodeReaderCtrl.MV_CODEREADER_CreateHandle(deviceInfo);
+//        } catch (ParameterException e) {
+//            throw new RuntimeException(e);
+//        }
+//        if (hHandle == null) {
+//            System.out.println("Create handle failed!");
+//            return;
+//        }
+//        int nRet = MvCodeReaderCtrl.MV_CODEREADER_OpenDevice(hHandle);
+//        if (nRet != 0) {
+//            System.out.println("Open Device fail! nRet[" + String.format("0x%x", nRet) + "]");
+//            return;
+//        }
+//        MvCodeReaderCtrl.MV_CODEREADER_RegisterImageCallBackEx2(hHandle, (pdata, stOutInfo) -> {
+//            handleScanResult(stOutInfo);
+//            return 0;
+//        });
+//        MvCodeReaderCtrl.MV_CODEREADER_StartGrabbing(hHandle);
+//    }
+//
+//    private void handleScanResult(MV_CODEREADER_IMAGE_OUT_INFO_EX2 stOutInfo) {
+//        for (int a = 0; a < stOutInfo.pstCodeListEx.nCodeNum; a++) {
+//            String code = stOutInfo.pstCodeListEx.stBcrInfoEx.get(a).chCode;
+//            // 保存到数据库
+//            ScanResultEntity entity = new ScanResultEntity();
+//            entity.setCode(code);
+//            scanResultMapper.insert(entity);
+//        }
+//    }
+//
+//    @PreDestroy
+//    public void destroy() {
+//        if (hHandle != null) {
+//            MvCodeReaderCtrl.MV_CODEREADER_StopGrabbing(hHandle);
+//            MvCodeReaderCtrl.MV_CODEREADER_DestroyHandle(hHandle);
+//        }
+//    }
+//}

klp-oa/klp-reader/src/main/resources/mapper/ScanResultMapper.xml

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+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.klp.reader.ScanResultMapper">
+    <!-- 通用CRUD由MyBatis-Plus自动实现，无需手写SQL -->
+</mapper>