新增RabbitMQ相关配置和功能，添加微信登录和图片处理接口

- 新增RabbitMQ配置类和消息监听器
- 实现微信扫码登录功能
- 添加图片上传和处理接口，支持外网图片转存
- 优化过滤器类，移除多余日志
- 新增白名单查询接口

ForJdk17/src/main/java/cn/whaifree/interview/KS1/P1.java

@@ -0,0 +1,33 @@
+package cn.whaifree.interview.KS1;
+
+import org.junit.Test;
+
+/**
+ * @version 1.0
+ * @Author whai文海
+ * @Date 2024/10/16 13:53
+ * @注释
+ */
+public class P1 {
+    @Test
+    public void test() {
+        int[] prices = {7, 1, 5, 3, 6, 4};
+        int maxProfit = maxProfit(prices);
+        System.out.println(maxProfit);
+    }
+
+    public int maxProfit(int[] prices) {
+        int maxProfit = 0;
+        int left = 0;
+        int right = 0;
+        while (right < prices.length) {
+            if (prices[right] < prices[left]) {
+                left = right;
+            }else {
+                maxProfit = Math.max(maxProfit, prices[right] - prices[left]);
+            }
+            right++;
+        }
+        return maxProfit;
+    }
+}

ForJdk17/src/main/java/cn/whaifree/leetCode/Array/LCR119.java

@@ -0,0 +1,49 @@
+package cn.whaifree.leetCode.Array;
+
+import org.junit.Test;
+
+import java.util.HashSet;
+
+/**
+ * @version 1.0
+ * @Author whai文海
+ * @Date 2024/10/15 16:37
+ * @注释
+ */
+public class LCR119 {
+    @Test
+    public void test() {
+        int[] nums = {100, 4, 200, 1, 3, 2};
+        System.out.println(new Solution().longestConsecutive(nums));
+    }
+
+    class Solution {
+        public int longestConsecutive(int[] nums) {
+            HashSet<Integer> set = new HashSet<>();
+            for (int num : nums) {
+                set.add(num);
+            }
+
+            int max = 0;
+            for (int num : nums) {
+                if (set.contains(num- 1)) { // 1 2 3 4 只要保证set里没有0
+                    continue;
+                }
+//                int base = num;
+//                int tmp = 0;
+//                while (set.contains(base++)) {
+//                    tmp++;
+//                }
+//                max = Math.max(max, tmp);
+
+                int maxnum = num;
+                while (set.contains(maxnum + 1)) {
+                    maxnum++;
+                }
+                max = Math.max(max, maxnum - num + 1);
+            }
+            return max;
+
+        }
+    }
+}

ForJdk17/src/main/java/cn/whaifree/redo/redo_all_241016/LCR074.java

@@ -0,0 +1,61 @@
+package cn.whaifree.redo.redo_all_241016;
+
+import org.junit.Test;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Comparator;
+import java.util.List;
+
+/**
+ * @version 1.0
+ * @Author whai文海
+ * @Date 2024/10/16 12:10
+ * @注释
+ */
+public class LCR074 {
+
+    @Test
+    public void test() {
+
+        StringBuilder stringBuilder = new StringBuilder();
+        int[][] intervals = {{1, 4}, {4, 6}};
+        Solution solution = new Solution();
+        int[][] result = solution.merge(intervals);
+        for (int[] interval : result) {
+            System.out.println(Arrays.toString(interval));
+
+        }
+    }
+
+
+    class Solution {
+        /**
+         * |     |
+         *    | |
+         *     |  |
+         *          | |
+         *
+         * @param intervals
+         * @return
+         */
+        public int[][] merge(int[][] intervals) {
+            Arrays.sort(intervals, Comparator.comparingInt(o -> o[0]));
+
+            List<int[]> result = new ArrayList<>();
+            for (int i = 1; i < intervals.length; i++) {
+                int[] before = intervals[i - 1];
+                int[] current = intervals[i];
+                if (before[1] >= current[0]) {
+                    current[0] = Math.min(before[0], current[0]);
+                    current[1] = Math.max(before[1], current[1]);
+                }else {
+                    result.add(before);
+                }
+            }
+            result.add(intervals[intervals.length - 1]);
+            return result.toArray(new int[result.size()][]);
+        }
+    }
+
+}

springDemo/.gitignore

@@ -0,0 +1,33 @@
+HELP.md
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/

springDemo/pom.xml

@@ -49,6 +49,30 @@
             <artifactId>redisson</artifactId>
             <version>3.16.8</version>
         </dependency>
+        <!-- rabbitMQ-->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-amqp</artifactId>
+        </dependency>
+        <!--minio-->
+        <dependency>
+            <groupId>io.minio</groupId>
+            <artifactId>minio</artifactId>
+            <version>8.4.3</version>
+        </dependency>
+        <!-- 其他依赖 -->
+        <dependency>
+            <groupId>com.fasterxml.jackson.dataformat</groupId>
+            <artifactId>jackson-dataformat-xml</artifactId>
+            <version>2.13.0</version> <!-- 根据实际情况选择最新稳定版本 -->
+        </dependency>
+
+
+        <dependency>
+            <groupId>com.google.guava</groupId>
+            <artifactId>guava</artifactId>
+            <version>31.0.1-jre</version>
+        </dependency>
 
         <!--FastJson-->
         <dependency>

springDemo/src/main/java/cn/whaifree/springdemo/controller/WhiteListController.java

@@ -0,0 +1,23 @@
+package cn.whaifree.springdemo.controller;
+
+import jakarta.annotation.Resource;
+import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * @version 1.0
+ * @Author whai文海
+ * @Date 2024/10/15 21:29
+ * @注释
+ */
+@RestController
+public class WhiteListController {
+
+    @Resource
+    private RedisTemplate redisTemplate;
+    @PostMapping("/queryIn")
+    public boolean query(String userId) {
+        return Boolean.TRUE.equals(redisTemplate.opsForSet().isMember("whiteList", userId));
+    }
+}

springDemo/src/main/java/cn/whaifree/springdemo/controller/minio/MinioController.java

@@ -0,0 +1,196 @@
+package cn.whaifree.springdemo.controller.minio;
+
+import cn.hutool.crypto.digest.MD5;
+import cn.hutool.http.HttpRequest;
+import cn.hutool.http.HttpResponse;
+import cn.hutool.http.HttpUtil;
+import com.google.common.cache.CacheBuilder;
+import com.google.common.cache.CacheLoader;
+import com.google.common.cache.LoadingCache;
+import io.minio.MinioClient;
+import io.minio.ObjectWriteResponse;
+import io.minio.PutObjectArgs;
+import jakarta.annotation.Resource;
+import lombok.Data;
+import lombok.Getter;
+import lombok.Setter;
+import lombok.extern.slf4j.Slf4j;
+import okhttp3.Headers;
+import org.springframework.beans.factory.InitializingBean;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnExpression;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.stereotype.Component;
+import org.springframework.util.StreamUtils;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.io.ByteArrayInputStream;
+import java.io.InputStream;
+import java.net.URI;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * @version 1.0
+ * @Author whai文海
+ * @Date 2024/10/16 9:38
+ * @注释
+ */
+@RestController
+@Slf4j
+public class MinioController {
+    @Resource
+    private ImageUploader imageUploader;
+    /**
+     * 外网图片转存缓存
+     */
+    private LoadingCache<String, String> imgReplaceCache = CacheBuilder.newBuilder().maximumSize(300).expireAfterWrite(5, TimeUnit.MINUTES).build(new CacheLoader<String, String>() {
+        @Override
+        public String load(String img) {
+            try {
+                InputStream stream = null;
+                if (img.startsWith("http")) {
+                    // 下载变输入
+                    HttpRequest get = HttpUtil.createGet(img);
+                    get.header("user-agent", "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36");
+                    HttpResponse response = get.execute();
+                    stream = response.bodyStream();
+                }else {
+                    return "";
+                }
+                URI uri = URI.create(img);
+                String path = uri.getPath();
+                int index = path.lastIndexOf(".");
+                String fileType = null;
+                if (index > 0) {
+                    // 从url中获取文件类型
+                    fileType = path.substring(index + 1);
+                }
+                return imageUploader.upload(stream, fileType);
+            } catch (Exception e) {
+                log.error("外网图片转存异常! img:{}", img, e);
+                return "";
+            }
+        }
+    });
+
+
+    @PostMapping("/changeLink")
+    public String changeLink(String url) throws ExecutionException {
+        return imgReplaceCache.get(url);
+    }
+}
+@Slf4j
+@ConditionalOnExpression(value = "#{'minio'.equals(environment.getProperty('image.oss.type'))}")
+@Component
+class MinioOssWrapper implements ImageUploader, InitializingBean {
+
+    private MinioClient minioClient;
+    @Autowired
+    @Setter
+    @Getter
+    private ImageProperties properties;
+
+
+    @Override
+    public String upload(InputStream inputStream, String fileType) {
+        try {
+            byte[] bytes = StreamUtils.copyToByteArray(inputStream);
+            // 计算md5作为文件名，避免重复上传
+            String fileName = MD5.create().digestHex(bytes);
+            ByteArrayInputStream input = new ByteArrayInputStream(bytes);
+
+            fileName = fileName + "." + fileType;
+            log.info("上传文件名：{}", fileName);
+
+            PutObjectArgs args = PutObjectArgs.builder()
+                    .bucket(properties.getOss().getBucket())
+                    .object(fileName)
+                    .stream(input, input.available(), -1)
+                    .contentType(fileType)
+                    .build();
+
+            ObjectWriteResponse response = minioClient.putObject(args);
+
+            // 获取response状态码
+            Headers headers = response.headers();
+            log.info(headers.toString());
+
+
+            StringBuilder sb = new StringBuilder();
+            sb.append(properties.getOss().getEndpoint()).append("/").append(response.bucket()).append("/").append(response.object());
+
+            return sb.toString();
+
+        } catch (Exception e) {
+            log.error(e.getMessage());
+            return "";
+        }
+    }
+
+    @Override
+    public boolean uploadIgnore(String fileUrl) {
+        return false;
+    }
+
+    @Override
+    public void afterPropertiesSet() throws Exception {
+        // 创建OSSClient实例。
+        log.info("init ossClient");
+        minioClient = MinioClient.builder()
+                .credentials(
+                        properties.getOss().getAk(),
+                        properties.getOss().getSk()
+                )
+                .endpoint(properties.getOss().getEndpoint())
+                .build();
+    }
+}
+
+@Setter
+@Getter
+@Component
+@ConfigurationProperties(prefix = "image")
+class ImageProperties {
+    private String absTmpPath; // 存储绝对路径
+    private String webImgPath; // 存储相对路径
+    private String tmpUploadPath; // 上传文件的临时存储目录
+    private String cdnHost; // 访问图片的host
+    private OssProperties oss;
+}
+
+@Data
+class OssProperties {
+    private String prefix; // 上传文件前缀路径
+    private String type; // oss类型
+    //下面几个是oss的配置参数
+    private String endpoint;
+    private String ak;
+    private String sk;
+    private String bucket;
+    private String host;
+}
+
+
+interface ImageUploader {
+    String DEFAULT_FILE_TYPE = "txt";
+//    Set<MediaType> STATIC_IMG_TYPE = new HashSet<>(Arrays.asList(MediaType.ImagePng, MediaType.ImageJpg, MediaType.ImageWebp, MediaType.ImageGif));
+
+    /**
+     * 文件上传
+     *
+     * @param input
+     * @param fileType
+     * @return
+     */
+    String upload(InputStream input, String fileType);
+
+    /**
+     * 判断外网图片是否依然需要处理
+     *
+     * @param fileUrl
+     * @return true 表示忽略，不需要转存
+     */
+    boolean uploadIgnore(String fileUrl);
+}

springDemo/src/main/java/cn/whaifree/springdemo/controller/rabbitMqEvent/EventController.java

@@ -0,0 +1,106 @@
+package cn.whaifree.springdemo.controller.rabbitMqEvent;
+
+import cn.hutool.extra.spring.SpringUtil;
+import cn.whaifree.springdemo.utils.ResVo;
+import lombok.Getter;
+import lombok.ToString;
+import org.springframework.context.ApplicationEvent;
+import org.springframework.context.ApplicationListener;
+import org.springframework.stereotype.Service;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * @version 1.0
+ * @Author whai文海
+ * @Date 2024/10/15 19:12
+ * @注释
+ */
+@RestController
+public class EventController {
+
+    /**
+     * 根据不同的青桔
+     *
+     * @param msg
+     * @return
+     */
+    @PostMapping("/sendMsg")
+    public ResVo sendMsgNotify(NotifyTypeEnum notifyType, String msg) {
+        // 发送异步消息
+        SpringUtil.publishEvent(new NotifyMsgEvent<>(this, notifyType, msg));
+        return ResVo.success();
+    }
+}
+
+@Getter
+@ToString
+class NotifyMsgEvent<T> extends ApplicationEvent {
+    private NotifyTypeEnum notifyType;
+    private T content;
+    public NotifyMsgEvent(Object source, NotifyTypeEnum notifyType, T content) {
+        super(source);
+        this.notifyType = notifyType;
+        this.content = content;
+    }
+}
+
+
+@Service
+class NotifyMsgListener<T> implements ApplicationListener<NotifyMsgEvent<T>> {
+    @Override
+    public void onApplicationEvent(NotifyMsgEvent<T> event) {
+        System.out.println(event); // 获取到发送的消息,做下一步处理
+    }
+}
+
+
+
+@Getter
+enum NotifyTypeEnum {
+    COMMENT(1, "评论"),
+    REPLY(2, "回复"),
+    PRAISE(3, "点赞"),
+    COLLECT(4, "收藏"),
+    FOLLOW(5, "关注消息"),
+    SYSTEM(6, "系统消息"),
+    DELETE_COMMENT(1, "删除评论"),
+    DELETE_REPLY(2, "删除回复"),
+    CANCEL_PRAISE(3, "取消点赞"),
+    CANCEL_COLLECT(4, "取消收藏"),
+    CANCEL_FOLLOW(5, "取消关注"),
+
+    // 注册、登录添加系统相关提示消息
+    REGISTER(6, "用户注册"),
+    LOGIN(6, "用户登录"),
+    ;
+
+
+    private int type;
+    private String msg;
+
+    private static Map<Integer, NotifyTypeEnum> mapper;
+
+    static {
+        mapper = new HashMap<>();
+        for (NotifyTypeEnum type : values()) {
+            mapper.put(type.type, type);
+        }
+    }
+
+    NotifyTypeEnum(int type, String msg) {
+        this.type = type;
+        this.msg = msg;
+    }
+
+    public static NotifyTypeEnum typeOf(int type) {
+        return mapper.get(type);
+    }
+
+    public static NotifyTypeEnum typeOf(String type) {
+        return valueOf(type.toUpperCase().trim());
+    }
+}

springDemo/src/main/java/cn/whaifree/springdemo/controller/rabbitMqEvent/RabbitMQController.java

@@ -0,0 +1,268 @@
+package cn.whaifree.springdemo.controller.rabbitMqEvent;
+
+import cn.hutool.core.date.DateUtil;
+import cn.whaifree.springdemo.utils.ResVo;
+import com.alibaba.fastjson.JSON;
+import com.rabbitmq.client.Channel;
+import jakarta.annotation.Resource;
+import lombok.Data;
+import lombok.experimental.Accessors;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.lang3.BooleanUtils;
+import org.springframework.amqp.core.*;
+import org.springframework.amqp.rabbit.annotation.RabbitListener;
+import org.springframework.amqp.rabbit.core.RabbitTemplate;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.dao.DataAccessException;
+import org.springframework.data.redis.connection.RedisConnection;
+import org.springframework.data.redis.core.RedisCallback;
+import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.io.IOException;
+import java.util.Set;
+import java.util.function.Function;
+import java.util.stream.Collectors;
+
+/**
+ * @version 1.0
+ * @Author whai文海
+ * @Date 2024/10/15 19:20
+ * @注释
+ */
+@RestController
+@Slf4j
+public class RabbitMQController {
+    @Resource
+    private RabbitTemplate rabbitTemplate;
+    @Resource
+    private RedisTemplate<String, Object> redisTemplate;
+
+    @PostMapping("/send")
+    public String send(NotifyTypeEnum type, String msg) {
+        rabbitTemplate.convertAndSend(RabbitMQConstants.EXCHANGE, RabbitMQConstants.ROUTER, new NotifyMsgEvent<>(null, type, msg));
+        return "success";
+    }
+
+    @RabbitListener(queues = RabbitMQConstants.QUEUE)
+    void synBlogConsumer(Message msg , Channel channel) throws IOException {
+        try {
+            log.info("synBlogConsumer 接收到消息：{}", msg.toString());
+            consumer(msg, "user1"); // 某个用户
+
+            channel.basicAck(msg.getMessageProperties().getDeliveryTag(), false);
+        } catch (Exception e) {
+            log.error("synBlogConsumer 接收消息失败：{}", e.getMessage());
+            channel.basicNack(msg.getMessageProperties().getDeliveryTag(), false, true);
+        }
+    }
+
+    private final String oprKey = "oprLog";
+
+    /**
+     * 消息重复消费？幂等性
+     * @param message
+     * @return
+     */
+    public void consumer(Message message,String user) {
+        // 转为NotifyMsgEvent
+        NotifyMsgEvent<String> event = JSON.parseObject(message.getBody(), NotifyMsgEvent.class);
+
+        // 构造活跃度增加的通知
+    }
+
+
+    final String todayRankKey = DateUtil.format(DateUtil.date(), "yyyyMMdd");
+    @PostMapping("/activity")
+    public ResVo getRank(int k) {
+        // 获取前k个
+        Set<String> execute = redisTemplate.execute((RedisCallback<Set<String>>) connection -> {
+            Set<String> collect = connection.zRange(todayRankKey.getBytes(), 0, k - 1).stream().map(new Function<byte[], String>() {
+                @Override
+                public String apply(byte[] bytes) {
+                    return new String(bytes);
+                }
+            }).collect(Collectors.toSet());
+            return collect;
+        });
+        return ResVo.success(execute);
+    }
+
+    public void incrDecrByActivity(ActivityScoreBo activityScore,String userId) {
+
+        if (userId == null) {
+            return;
+        }
+
+        String field;
+        int score = 0;
+        if (activityScore.getPath() != null) { // 关于页面
+            field = "path_" + activityScore.getPath();
+            score = 1;
+        } else if (activityScore.getArticleId() != null) { // 关于文章
+            field = activityScore.getArticleId() + "_";
+            if (activityScore.getPraise() != null) {
+                field += "praise";
+                score = BooleanUtils.isTrue(activityScore.getPraise()) ? 2 : -2;
+            } else if (activityScore.getCollect() != null) {
+                field += "collect";
+                score = BooleanUtils.isTrue(activityScore.getCollect()) ? 2 : -2;
+            } else if (activityScore.getRate() != null) {
+                // 评论回复
+                field += "rate";
+                score = BooleanUtils.isTrue(activityScore.getRate()) ? 3 : -3;
+            } else if (BooleanUtils.isTrue(activityScore.getPublishArticle())) {
+                // 发布文章
+                field += "publish";
+                score += 10;
+            }
+        } else if (activityScore.getFollowedUserId() != null) { // 关于关注
+            field = activityScore.getFollowedUserId() + "_follow";
+            score = BooleanUtils.isTrue(activityScore.getFollow()) ? 2 : -2;
+        } else {
+            return;
+        }
+
+
+        // 幂等性
+        final String userActionKey = "ActivityCore:" + userId + DateUtil.format(DateUtil.date(), ":yyyyMMdd");
+
+        // {user:{action1,action2}}
+        Integer opr = (Integer) redisTemplate.opsForHash().get(userActionKey, field);
+        if (opr == null) { // 某个用户在之前是否做过field这个操作
+            // 没有操作过
+            // 加记录
+            redisTemplate.opsForHash().put(userActionKey, field, score);
+            redisTemplate.execute((RedisCallback<Object>) connection -> {
+                connection.expire(userActionKey.getBytes(), 31 * 24 * 60 * 60); // 保存一个月
+                return null;
+            });
+
+            // 加分
+            // 更新当天和当月的活跃度排行榜
+            final String todayRankKey = DateUtil.format(DateUtil.date(), "yyyyMMdd");
+            final String monthRankKey = DateUtil.format(DateUtil.date(), "yyyyMM");
+
+
+            Double newAns = redisTemplate.execute(new RedisCallback<Double>() {
+                @Override
+                public Double doInRedis(RedisConnection connection) throws DataAccessException {
+                    return connection.zScore(todayRankKey.getBytes(), userId.getBytes());
+                }
+            });
+            Object execute = redisTemplate.execute(new RedisCallback<Object>() {
+                @Override
+                public Object doInRedis(RedisConnection connection) throws DataAccessException {
+                    return connection.zScore(monthRankKey.getBytes(), userId.getBytes());
+                }
+            });
+
+            redisTemplate.execute((RedisCallback<Object>) connection -> {
+                connection.expire(todayRankKey.getBytes(), 31 * 24 * 60 * 60); // 保存一个月
+                return null;
+            });
+            redisTemplate.execute((RedisCallback<Object>) connection -> {
+                connection.expire(monthRankKey.getBytes(), 31 * 24 * 60 * 60 * 12); // 保存一年
+                return null;
+            });
+        } else if (opr > 0 && score < 0) {
+            // 减分
+            Long delete = redisTemplate.opsForHash().delete(userActionKey, field);
+            if (delete == 1) {
+                // 减分成功
+                // 更新日、月排行榜
+                final String todayRankKey = DateUtil.format(DateUtil.date(), "yyyyMMdd");
+                final String monthRankKey = DateUtil.format(DateUtil.date(), "yyyyMM");
+
+                redisTemplate.opsForHash().increment(todayRankKey, userId, -score);
+                redisTemplate.opsForHash().increment(monthRankKey, userId, -score);
+            }
+
+        }
+
+    }
+
+    @Data
+    @Accessors(chain = true)
+    public class ActivityScoreBo {
+        /**
+         * 访问页面增加活跃度
+         */
+        private String path;
+
+        /**
+         * 目标文章
+         */
+        private Long articleId;
+
+        /**
+         * 评论增加活跃度
+         */
+        private Boolean rate;
+
+        /**
+         * 点赞增加活跃度
+         */
+        private Boolean praise;
+
+        /**
+         * 收藏增加活跃度
+         */
+        private Boolean collect;
+
+        /**
+         * 发布文章增加活跃度
+         */
+        private Boolean publishArticle;
+
+        /**
+         * 被关注的用户
+         */
+        private Long followedUserId;
+
+        /**
+         * 关注增加活跃度
+         */
+        private Boolean follow;
+    }
+
+
+}
+
+
+
+@Configuration
+class RabbitMQConfig {
+    @Bean
+    Queue aqueue() {
+        return QueueBuilder.durable(RabbitMQConstants.QUEUE)
+                .ttl(1000).maxLength(5)
+                .deadLetterExchange(RabbitMQConstants.EXCHANGE).deadLetterRoutingKey(RabbitMQConstants.FAIL_ROUTER)
+                .build();
+    }
+    @Bean
+    Queue failQueue() {
+        return QueueBuilder.durable(RabbitMQConstants.FAIL_QUEUE)
+                .build();
+    }
+
+    @Bean
+    Exchange commentExchange() {
+        return ExchangeBuilder.directExchange(RabbitMQConstants.EXCHANGE).durable(true).build();
+    }
+
+    @Bean
+    Binding commentBinding() {
+        return BindingBuilder.bind(aqueue()).to(commentExchange()).with(RabbitMQConstants.ROUTER).noargs();
+    }
+}
+
+class RabbitMQConstants{
+    public static final String QUEUE = "queue";
+    public static final String FAIL_QUEUE = "fail_queue";
+    public static final String EXCHANGE = "exchange";
+    public static final String ROUTER = "router";
+    public static final String FAIL_ROUTER = "fail_router";
+}

springDemo/src/main/java/cn/whaifree/springdemo/controller/wxQrLogin/WxQrLoginController.java

@@ -0,0 +1,284 @@
+package cn.whaifree.springdemo.controller.wxQrLogin;
+
+import cn.hutool.core.util.RandomUtil;
+import cn.hutool.jwt.JWT;
+import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlProperty;
+import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlRootElement;
+import com.google.common.cache.CacheBuilder;
+import com.google.common.cache.CacheLoader;
+import com.google.common.cache.LoadingCache;
+import jakarta.annotation.PostConstruct;
+import lombok.Data;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.lang3.StringUtils;
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.servlet.mvc.method.annotation.SseEmitter;
+
+import java.io.IOException;
+import java.util.Date;
+
+/**
+ * @version 1.0
+ * @Author whai文海
+ * @Date 2024/10/15 17:07
+ * @注释
+ */
+@Slf4j
+@RestController
+@RequestMapping("/wxQrLogin")
+public class WxQrLoginController {
+
+    /**
+     * 1. 客户端请求网站，/subscribe，响应SSEEmitter
+     *      获取客户端deviceId
+     *      生成验证码numCode
+     *          存放Cache < deviceId,numCode >
+     *          存放Cache < numCode, SSEEmitter>
+     *      SSE发送验证码给客户端
+     *
+     * 2. 客户端扫描公众号，发送numCode到公众号
+     *      wx会请求/callback接口，带有numCode
+     *      使用numCode找到deviceId，再找到SSEEmitter，发送生成的最新Token
+     *
+     */
+
+
+    /**
+     * sse的超时时间，默认15min
+     */
+    private final static Long SSE_EXPIRE_TIME = 15 * 60 * 1000L;
+    private final RedisTemplate redisTemplate;
+
+
+    /**
+     * key = 验证码, value = 长连接
+     */
+    private LoadingCache<String, SseEmitter> verifyCodeCache;
+    /**
+     * key = 设备 value = 验证码
+     */
+    private LoadingCache<String, String> deviceCodeCache;
+
+    public WxQrLoginController(@Qualifier("redisTemplate") RedisTemplate redisTemplate) {
+        this.redisTemplate = redisTemplate;
+    }
+
+
+    @PostConstruct
+    public void init() {
+        // 验证码，SSE
+        verifyCodeCache = CacheBuilder.newBuilder().build(new CacheLoader<String, SseEmitter>() {
+            @Override
+            public SseEmitter load(String key) throws Exception {
+                // 如果缓存未命中，则抛出异常，提示缓存未命中
+                throw new RuntimeException("no val: " + key);
+            }
+        });
+        // 设备，验证码
+        deviceCodeCache = CacheBuilder.newBuilder().build(new CacheLoader<String, String>() {
+            @Override
+            public String load(String key) throws Exception {
+                // 生成id
+                int cnt = 0;
+                while (true) {
+                    String code = "deviceId#" + cnt++; // 可以是其他生成算法
+                    // 如果verifyCodeCache中已经有这个缓存，证明这个Code已经被使用了
+                    if (!verifyCodeCache.asMap().containsKey(code)) {
+                        return code;
+                    }
+                }
+            }
+        });
+    }
+
+
+    /**
+     * deviceId code
+     * code sse
+     * @return
+     * @throws IOException
+     */
+    @GetMapping(path = "subscribe", produces = {org.springframework.http.MediaType.TEXT_EVENT_STREAM_VALUE})
+    public SseEmitter subscribe() throws IOException {
+        String deviceId = String.valueOf(RandomUtil.randomInt(100)); // 随机生成一个UUID
+
+        String realCode = deviceCodeCache.getUnchecked(deviceId) ;
+        // 生成验证码
+
+
+        // fixme 设置15min的超时时间, 超时时间一旦设置不能修改；因此导致刷新验证码并不会增加连接的有效期
+        SseEmitter sseEmitter = new SseEmitter(SSE_EXPIRE_TIME);
+        SseEmitter oldSse = verifyCodeCache.getIfPresent(realCode); // 是否已经存在旧的半长连接
+
+        if (oldSse != null) {
+            oldSse.complete(); // 旧的长连接
+        }
+
+
+        verifyCodeCache.put(realCode, sseEmitter);
+        sseEmitter.onTimeout(() -> {
+            log.info("sse 超时中断 --> {}", realCode);
+            verifyCodeCache.invalidate(realCode);
+            sseEmitter.complete();
+        });
+        sseEmitter.onError((e) -> {
+            log.warn("sse error! --> {}", realCode, e);
+            verifyCodeCache.invalidate(realCode);
+            sseEmitter.complete();
+        });
+        // 若实际的验证码与前端显示的不同，则通知前端更新
+        sseEmitter.send("initCode!");
+        sseEmitter.send("init#" + realCode);
+        return sseEmitter;
+    }
+
+
+    /**
+     * fixme: 需要做防刷校验
+     *
+     *
+     * 微信的响应返回
+     * 本地测试访问:
+     * curl -X POST 'http://localhost:8080/wx/callback'
+     * -H 'content-type:application/xml' -d
+     * '<xml>
+     *     <URL><![CDATA[https://hhui.top]]></URL>
+     *     <ToUserName><![CDATA[一灰灰blog]]></ToUserName>
+     *     <FromUserName><![CDATA[demoUser1234]]></FromUserName>
+     *     <CreateTime>1655700579</CreateTime>
+     *     <MsgType><![CDATA[text]]></MsgType>
+     *     <Content><![CDATA[login]]></Content>
+     *     <MsgId>11111111</MsgId>
+     * </xml>' -i
+     *
+     * @param msg
+     * @return 返回给微信，微信会给客户端
+     */
+    @PostMapping(path = "callback",
+            consumes = {"application/xml", "text/xml"},
+            produces = "application/xml;charset=utf-8")
+    public BaseWxMsgResVo callBack(@RequestBody WxTxtMsgReqVo msg) throws IOException {
+        BaseWxMsgResVo res = new BaseWxMsgResVo();
+        res.setToUserName(msg.getFromUserName());
+        res.setFromUserName(msg.getToUserName());
+        res.setCreateTime(System.currentTimeMillis());
+
+        String content = msg.getContent();
+        if ("subscribe".equals(msg.getEvent()) || "scan".equalsIgnoreCase(msg.getEvent())) {
+            String key = msg.getEventKey();
+            if (StringUtils.isNotBlank(key) || key.startsWith("qrscene_")) {
+
+                // 带参数的二维码，扫描、关注事件拿到之后，直接登录，省却输入验证码这一步
+                // fixme 带参数二维码需要 微信认证，个人公众号无权限
+                String code = key.substring("qrscene_".length());
+
+
+                // TODO sessionService.autoRegisterWxUserInfo(msg.getFromUserName());
+                //  自动注册一个用户，获得用户ID
+
+                // 找到对应的SSE，实现登录
+                SseEmitter sseEmitter = verifyCodeCache.getIfPresent(code);
+
+                // 生成Token
+                String session = genSession(100L);
+                // 登录成功，写入session
+                sseEmitter.send(session);
+
+                // 设置cookie的路径
+                sseEmitter.send("login#Session=" + session + ";path=/;"); // session告诉前端，跳转到/根目录
+
+
+                return res;
+            }
+        }
+        return res;
+    }
+
+
+
+    public String genSession(Long userId) {
+        // 1.生成jwt格式的会话，内部持有有效期，用户信息
+        String session = String.valueOf(userId);
+        String token = JWT.create()
+                .setIssuer("issuer")
+                .setPayload("session", session)
+                .setExpiresAt(new Date(System.currentTimeMillis() + 2592000000L)).sign();
+
+        // 2.使用jwt生成的token时，后端可以不存储这个session信息, 完全依赖jwt的信息
+        // 但是需要考虑到用户登出，需要主动失效这个token，而jwt本身无状态，所以再这里的redis做一个简单的token -> userId的缓存，用于双重判定
+        redisTemplate.opsForValue().set("UserId:Session:" + session, token);
+        return token;
+    }
+
+
+    @Data
+    @JacksonXmlRootElement(localName = "xml")
+    public class WxTxtMsgReqVo {
+        @JacksonXmlProperty(localName = "ToUserName")
+        private String toUserName;
+        @JacksonXmlProperty(localName = "FromUserName")
+        private String fromUserName;
+        @JacksonXmlProperty(localName = "CreateTime")
+        private Long createTime;
+        @JacksonXmlProperty(localName = "MsgType")
+        private String msgType;
+        @JacksonXmlProperty(localName = "Event")
+        private String event;
+        @JacksonXmlProperty(localName = "EventKey")
+        private String eventKey;
+        @JacksonXmlProperty(localName = "Ticket")
+        private String ticket;
+        @JacksonXmlProperty(localName = "Content")
+        private String content;
+        @JacksonXmlProperty(localName = "MsgId")
+        private String msgId;
+        @JacksonXmlProperty(localName = "MsgDataId")
+        private String msgDataId;
+        @JacksonXmlProperty(localName = "Idx")
+        private String idx;
+    }
+
+
+    @Data
+    @JacksonXmlRootElement(localName = "xml")
+    public class BaseWxMsgResVo {
+
+        @JacksonXmlProperty(localName = "ToUserName")
+        private String toUserName;
+        @JacksonXmlProperty(localName = "FromUserName")
+        private String fromUserName;
+        @JacksonXmlProperty(localName = "CreateTime")
+        private Long createTime;
+        @JacksonXmlProperty(localName = "MsgType")
+        private String msgType;
+    }
+
+
+//
+//    /**
+//     * 初始化设备id
+//     *
+//     * @return
+//     */
+//    private String getOrInitDeviceId(HttpServletRequest request, HttpServletResponse response) {
+//        String deviceId = request.getParameter("deviceId");
+//        if (StringUtils.isNotBlank(deviceId) && !"null".equalsIgnoreCase(deviceId)) {
+//            return deviceId;
+//        }
+//
+//        Cookie device = SessionUtil.findCookieByName(request, LoginOutService.USER_DEVICE_KEY);
+//        if (device == null) {
+//            deviceId = UUID.randomUUID().toString();
+//            if (response != null) {
+//                response.addCookie(SessionUtil.newCookie(LoginOutService.USER_DEVICE_KEY, deviceId));
+//            }
+//            return deviceId;
+//        }
+//        return device.getValue();
+//    }
+
+
+
+}

springDemo/src/main/java/cn/whaifree/springdemo/utils/Filter/SelfFilter.java

@@ -22,9 +22,9 @@ public class SelfFilter implements Filter {
 
     @Override
     public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
-        System.out.println("SelfFilter doFilter");
+//        System.out.println("SelfFilter doFilter");
         filterChain.doFilter(servletRequest, servletResponse);
-        System.out.println("SelfFilter doFilter end");
+//        System.out.println("SelfFilter doFilter end");
     }
 
     @Override

springDemo/src/main/resources/application.yaml

@@ -16,11 +16,24 @@ spring:
     redisson:
       file: classpath:redisson.yaml
 
-
   rabbitmq:
+    host: localhost
+    port: 5672
+    username: whai
+    password: whai
+    publisher-confirm-type: correlated
+    # 不可达到 返回给生产者
+    # 当启用publisher-returns时，如果发送者发送的消息无法被消费者确认，消息会返回发送者。否则发送者是不知道的
+    template:
+      mandatory: true
+    publisher-returns: true
     listener:
+      simple:
+        acknowledge-mode: manual
       direct:
-        auto-startup: false
+        acknowledge-mode: manual
+
+
 
 
 # springdoc-openapi项目配置
@@ -42,3 +55,10 @@ knife4j:
     language: zh_cn
 server:
   port: 8080
+image:
+  oss:
+    type: minio
+    bucket: picgo
+    ak: wOSfawBbzug2S3qz9u6W
+    sk: CCxIopdXdBRNPloaFV7l8XplKpVLPzjSnMxlKcru
+    endpoint: http://42.192.130.83:9000