24 |
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37 | 
38 | 
39 |
40 |
41 |
42 |
43 | 
44 |
45 |
46 |
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/src/main/java/indi/huishi/shizuo/util/CodeUtil.java:
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1 | package indi.huishi.shizuo.util;
2 |
3 | import lombok.extern.slf4j.Slf4j;
4 |
5 | import javax.servlet.http.HttpServletRequest;
6 |
7 | /**
8 | * @Author: Huishi
9 | * @Date: 2021/5/12 0:32
10 | */
11 | @Slf4j
12 | public class CodeUtil {
13 | /**
14 | * 将获取到的前端参数转为string类型
15 | * @param request
16 | * @param key
17 | * @return
18 | */
19 | public static String getString(HttpServletRequest request, String key) {
20 | try {
21 | String result = request.getParameter(key);
22 | if(result != null) {
23 | result = result.trim();
24 | }
25 | if("".equals(result)) {
26 | result = null;
27 | }
28 | return result;
29 | }catch(Exception e) {
30 | return null;
31 | }
32 | }
33 | /**
34 | * 验证码校验
35 | * @param request
36 | * @return
37 | */
38 | public static boolean checkVerifyCode(HttpServletRequest request) {
39 | //获取生成的验证码
40 | String verifyCodeExpected = (String) request.getSession().getAttribute(com.google.code.kaptcha.Constants.KAPTCHA_SESSION_KEY);
41 | log.info("获取生成的验证码:{}",verifyCodeExpected);
42 | //获取用户输入的验证码
43 | String verifyCodeActual = CodeUtil.getString(request, "code");
44 | if(verifyCodeActual == null ||!verifyCodeActual.equalsIgnoreCase(verifyCodeExpected)) {
45 | return false;
46 | }
47 | return true;
48 | }
49 | }
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/src/main/java/indi/huishi/shizuo/config/AdminWebConfig.java:
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1 | package indi.huishi.shizuo.config;
2 |
3 | import indi.huishi.shizuo.interceptor.LoginInterceptor;
4 | import org.springframework.context.annotation.Configuration;
5 | import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
6 | import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
7 | import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
8 |
9 | /**
10 | * @Author: Huishi
11 | * @Date: 2021/4/28 0:23
12 | */
13 | @Configuration
14 | public class AdminWebConfig implements WebMvcConfigurer {
15 | /**
16 | * 添加静态资源文件，外部可以直接访问地址
17 | * https://www.cnblogs.com/kangkaii/p/9023751.html
18 | * @param registry
19 | */
20 | @Override
21 | public void addResourceHandlers(ResourceHandlerRegistry registry) {
22 | //需要配置1：----------- 需要告知系统，这是要被当成静态文件的！
23 | //第一个方法设置访问路径前缀，第二个方法设置资源路径
24 | registry.addResourceHandler("/static/**").addResourceLocations("classpath:/static/");
25 | }
26 | /**
27 | * 拦截所有请求，只放行负责登录的两个请求路径
28 | * /** 拦截所有，包括静态资源也会被拦截
29 | * /* 不包括静态资源的所有路径
30 | * @param registry
31 | */
32 | @Override
33 | public void addInterceptors(InterceptorRegistry registry) {
34 | registry.addInterceptor(new LoginInterceptor()).addPathPatterns("/**").excludePathPatterns("/","/user/**","/kaptcha/**","/static/**"); //放行的请求
35 | // registry.addInterceptor(new TestInterceptor2()).addPathPatterns("/**").excludePathPatterns("/","/login","/static/**"); //放行的请求
36 | }
37 |
38 |
39 | }
40 |
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/src/test/java/indi/huishi/shizuo/service/ServiceTest.java:
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1 | package indi.huishi.shizuo.service;
2 |
3 | import com.baomidou.mybatisplus.core.metadata.IPage;
4 | import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
5 | import com.google.code.kaptcha.impl.DefaultKaptcha;
6 | import indi.huishi.shizuo.dao.StudentDao;
7 | import indi.huishi.shizuo.pojo.Statistics;
8 | import indi.huishi.shizuo.pojo.Student;
9 | import org.junit.jupiter.api.Test;
10 | import org.springframework.beans.factory.annotation.Autowired;
11 | import org.springframework.boot.test.context.SpringBootTest;
12 |
13 | import java.util.List;
14 |
15 | /**
16 | * @Author: Huishi
17 | * @Date: 2021/5/10 23:50
18 | */
19 | @SpringBootTest
20 | public class ServiceTest {
21 |
22 | @Autowired
23 | StudentDao studentDao;
24 | @Test
25 | public void test1(){
26 | // System.out.println(studentDao);
27 | List
13 | 
14 |
15 |
16 |
56 |
57 |
58 |
59 |
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/src/main/java/indi/huishi/shizuo/controller/KaptchaController.java:
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1 | package indi.huishi.shizuo.controller;
2 |
3 | /**
4 | * @Author: Huishi
5 | * @Date: 2021/4/20 22:18
6 | */
7 |
8 | import com.google.code.kaptcha.Constants;
9 | import com.google.code.kaptcha.Producer;
10 | import lombok.extern.slf4j.Slf4j;
11 | import org.springframework.beans.factory.annotation.Autowired;
12 | import org.springframework.stereotype.Controller;
13 | import org.springframework.web.bind.annotation.RequestMapping;
14 |
15 | import javax.imageio.ImageIO;
16 | import javax.servlet.ServletOutputStream;
17 | import javax.servlet.http.HttpServletRequest;
18 | import javax.servlet.http.HttpServletResponse;
19 | import javax.servlet.http.HttpSession;
20 | import java.awt.image.BufferedImage;
21 |
22 | /**
23 | * 验证码
24 | * https://www.jianshu.com/p/1f2f7c47e812
25 | */
26 | @Slf4j
27 | @Controller
28 | @RequestMapping("/kaptcha")
29 | public class KaptchaController {
30 | @Autowired
31 | private Producer captchaProducer = null;
32 | @RequestMapping("/render")
33 | public void getKaptchaImage(HttpServletRequest request, HttpServletResponse response) throws Exception {
34 | HttpSession session = request.getSession();
35 | response.setDateHeader("Expires", 0);
36 | response.setHeader("Cache-Control", "no-store, no-cache, must-revalidate");
37 | response.addHeader("Cache-Control", "post-check=0, pre-check=0");
38 | response.setHeader("Pragma", "no-cache");
39 | response.setContentType("image/jpeg");
40 | //生成验证码
41 | String capText = captchaProducer.createText();
42 | session.setAttribute(Constants.KAPTCHA_SESSION_KEY, capText);
43 | //向客户端写出
44 | BufferedImage bi = captchaProducer.createImage(capText);
45 | ServletOutputStream out = response.getOutputStream();
46 | ImageIO.write(bi, "jpg", out);
47 | try {
48 | out.flush();
49 | } finally {
50 | out.close();
51 | }
52 | }
53 | }
54 |
55 |
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/src/main/resources/kaptcha.xml:
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1 |
2 |
14 |