LoginController_______

登录页面通常会有验证码验证信息:

这时候用到

CaptchaUtil 图形验证码工具类：：：：：

package cn.hutool.captcha;/*** 图形验证码工具* * @author looly* @since 3.1.2*/
public class CaptchaUtil {/*** 创建线干扰的验证码，默认5位验证码，150条干扰线* * @param width 图片宽* @param height 图片高* @return {@link LineCaptcha}*/public static LineCaptcha createLineCaptcha(int width, int height) {return new LineCaptcha(width, height);}/*** 创建线干扰的验证码* * @param width 图片宽* @param height 图片高* @param codeCount 字符个数* @param lineCount 干扰线条数* @return {@link LineCaptcha}*/public static LineCaptcha createLineCaptcha(int width, int height, int codeCount, int lineCount) {return new LineCaptcha(width, height, codeCount, lineCount);}/*** 创建圆圈干扰的验证码，默认5位验证码，15个干扰圈* * @param width 图片宽* @param height 图片高* @return {@link CircleCaptcha}* @since 3.2.3*/public static CircleCaptcha createCircleCaptcha(int width, int height) {return new CircleCaptcha(width, height);}/*** 创建圆圈干扰的验证码* * @param width 图片宽* @param height 图片高* @param codeCount 字符个数* @param circleCount 干扰圆圈条数* @return {@link CircleCaptcha}* @since 3.2.3*/public static CircleCaptcha createCircleCaptcha(int width, int height, int codeCount, int circleCount) {return new CircleCaptcha(width, height, codeCount, circleCount);}/*** 创建扭曲干扰的验证码，默认5位验证码* * @param width 图片宽* @param height 图片高* @return {@link ShearCaptcha}* @since 3.2.3*/public static ShearCaptcha createShearCaptcha(int width, int height) {return new ShearCaptcha(width, height);}/*** 创建扭曲干扰的验证码，默认5位验证码* * @param width 图片宽* @param height 图片高* @param codeCount 字符个数* @param thickness 干扰线宽度* @return {@link ShearCaptcha}* @since 3.3.0*/public static ShearCaptcha createShearCaptcha(int width, int height, int codeCount, int thickness) {return new ShearCaptcha(width, height, codeCount, thickness);}
}

package cn.yunmark.login.controller;import cn.hutool.captcha.CaptchaUtil;
import cn.hutool.captcha.LineCaptcha;
import cn.hutool.core.date.DateUtil;
import cn.yunmark.aop.logging.annotation.ApiLog;
import cn.yunmark.common.redis.RedisUtils;
import cn.yunmark.common.utils.ResponseUtil;
import cn.yunmark.core.errors.ErrorConstants;
import cn.yunmark.examdetail.service.ExamDetailService;
import cn.yunmark.examdetail.service.dto.ExamDetailDTO;
import cn.yunmark.grade.service.StudentGradeService;
import cn.yunmark.grade.service.dto.StudentGradeDTO;
import cn.yunmark.grade.service.dto.StudentInfoExcelDTO;
import cn.yunmark.login.model.LoginDTO;
import cn.yunmark.login.model.LoginVo;
import cn.yunmark.security.jwt.TokenProvider;
import cn.yunmark.security.util.SecurityUtils;
import cn.yunmark.sys.constant.enums.LogTypeEnum;
import cn.yunmark.sys.model.LoginForm;
import cn.yunmark.sys.service.dto.UserDTO;
import cn.yunmark.sys.utils.UserUtils;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.ResponseEntity;
import org.springframework.security.authentication.AccountExpiredException;
import org.springframework.web.bind.annotation.*;import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;
import java.util.Calendar;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;/*** 学生登录Controller* @author yunmark* @version @2022/3/25 22:01*/
@Api(tags ="学生成绩信息")
@Slf4j
@RestController
@RequestMapping(value = "/zsb/student")
public class StudentLoginController {@Autowiredprivate StudentGradeService studentGradeService;@Autowiredprivate ExamDetailService examDetailService;/*** 用户登录* @param loginForm* @param session* @return*/@PostMapping("check")@ApiLog(value = "用户校验", type = LogTypeEnum.LOGIN)@ApiOperation("登录接口")public Map<String,Object> login(@RequestBody LoginDTO loginForm,String codeSign) {Map<String, Object> res = new HashMap<>();String sfzh = loginForm.getSfzh();String code = loginForm.getCode();String ksh = loginForm.getKsh();RedisUtils utils = RedisUtils.getInstance();String rediscode = (String) utils.get(codeSign);if (!code.equals(rediscode) && null != code) {res.put("code", 500);res.put("msg", "考生信息有误，请确认后重新输入");return res;}String nf = DateUtil.format(new Date(), "yyyy");StudentGradeDTO studentGradeDTO = studentGradeService.selectOneStd(ksh, sfzh, nf);if (studentGradeDTO == null) {res.put("code", 500);res.put("msg", "身份信息有误");return res;}//获取有效考试须知ExamDetailDTO examDetailDTO = examDetailService.getByStatus(nf);if (examDetailDTO == null) {examDetailDTO = examDetailService.getDefault();}LoginVo loginVo = new LoginVo();loginVo.setExamDetailDTO(examDetailDTO);loginVo.setStudentGradeDTO(studentGradeDTO);res.put("code", 200);res.put("msg", "校验成功");res.put("data", loginVo);return res;}/*** 获取登陆验证码* @param response* @param session* @throws*/@ApiOperation ("获取验证码")@ApiLog("获取验证码")@GetMapping("getCode")public void getCode(HttpServletResponse response, HttpSession session){//HuTool定义图形验证码的长和宽,验证码的位数，干扰线的条数LineCaptcha lineCaptcha = CaptchaUtil.createLineCaptcha(116, 36,4,50);//将验证码放入sessionsession.setAttribute("code",lineCaptcha.getCode());try {ServletOutputStream outputStream = response.getOutputStream();lineCaptcha.write(outputStream);outputStream.close();} catch (IOException e) {log.error ("{}", e );}}}

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