基于前后端分离Web端项目，主要实现了网页版的人脸登录，通过调取前端摄像头拍照，传入后台进行跟数据库人脸库的相似度比对

package com.face.service.impl; import cn.hutool.json.JSONUtil; import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl; import com.face.bean.Face; import com.face.bean.result.FaceResult; import com.face.mapper.FaceMapper; import com.face.server.FaceContrastServer; import com.face.service.FaceService; import com.face.utils.JwtUtils; import com.face.utils.TimeUtils; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import java.util.Date; import java.util.HashMap; import java.util.List; import java.util.Map; /** * @author typsusan * @description 针对表【face】的数据库操作Service实现 * @createDate 2022-07-17 03:33:50 */ @Service public class FaceServiceImpl extends ServiceImpl<FaceMapper, Face> implements FaceService { @Autowired FaceContrastServer faceContrastServer; @Override public FaceResult vef(String imageBase) { imageBase = JSONUtil.parseObj(imageBase).getStr("imageBase"); List<Face> faceList = lambdaQuery().orderByDesc(Face::getVefNum).list(); FaceResult faceState = null; // 如果人脸库为空,则第一次登录为录入人脸 if (faceList.size() == 0){ return initFace(imageBase); }else { int faceLength = faceList.size(); for (Face face : faceList) { FaceResult faceResult = faceContrastServer.faceContrast(face.getFaceBase(), imageBase); // 是否比对成功 if (faceResult.getCode() == FaceResult.SUCCESS_CODE ){ // 相似度是否大于80 if (faceResult.getScore() > FaceResult.SATISFY_SCORE){ if (face.getFaceStatus() == 0){ // 成功 lambdaUpdate().set(Face::getVefNum,face.getVefNum()+1).eq(Face::getFid,face.getFid()).update(); faceResult.setMsg(TimeUtils.timeQuantum()+"好,"+face.getFaceName()); faceResult.setName(face.getFaceName()); Map<String,String> map = new HashMap<>(); map.put("score",String.valueOf(faceResult.getScore())); map.put("faceName",faceResult.getName()); faceResult.setToken(JwtUtils.genereteToken(map)); return faceResult; }else { // 失败 人脸被禁用 lambdaUpdate().set(Face::getVefNum,face.getVefNum()+1).eq(Face::getFid,face.getFid()).update(); faceResult.setMsg(face.getFaceName()+",当前人脸被禁用"); faceResult.setName(face.getFaceName()); faceResult.setCode(FaceResult.FORBIDDEN_FACE); faceState = faceResult; // 就算上一张人脸被禁用还得往下执行 // 可能当前用户存在多张人脸， if (faceLength == 1){ return faceResult; } faceLength --; } }else { // 人脸库没有检测到人脸 if (faceLength == 1){ // 判断当前人脸是否被禁用，如被禁用，提示被禁用 // 禁用优先级大于 没有检测到人脸 return faceState != null?faceState:FaceResult.error(FaceResult.NOT_FOUND_FACE,"人脸库不存在该人脸",faceResult.getScore()); } faceLength --; } }else { // 接口返回异常 return faceResult; } } } // 空异常 return FaceResult.error(FaceResult.NULL_ERROR,"空指针异常"); } public FaceResult initFace(String imageBase){ FaceResult faceResult = new FaceResult(); Face face = new Face(); face.setFaceBase(imageBase); face.setCreateTime(new Date()); face.setVefNum(0); face.setFaceName("admin"); face.setFaceStatus(0); boolean save = save(face); faceResult.setCode(FaceResult.INIT_FACE); faceResult.setMsg("人脸初始化"+(save?"成功":"失败")+","+(save?"请验证登录":"请稍后再试")); faceResult.setName(face.getFaceName()); return faceResult; } }