SpringBoot项目中接口防刷的完整代码

import java.lang.annotation.Retention;
import java.lang.annotation.Target;

import static java.lang.annotation.ElementType.METHOD;
import static java.lang.annotation.RetentionPolicy.RUNTIME;


@Retention(RUNTIME)
@Target(METHOD)
public @interface AccessLimit {

    int seconds();

    int maxCount();

    boolean needLogin() default true;

}

import com.alibaba.fastJSON.jsON;
import com.mengxiangnongfu.payment.annotation.AccessLimit;
import com.mengxiangnongfu.payment.commons.RedisUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Configuration;
import org.springframework.stereotype.Component;
import org.springframework.WEB.method.HandlerMethod;
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;

import javax.servlet.Http.httpservletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.OutputStream;


@Component
public class Fangshuainterceptor extends HandlerInterceptorAdapter {

    @Autowired
    private RedisUtil redisUtil;

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        //判断请求是否属于方法的请求
        if (handler instanceof HandlerMethod) {
            HandlerMethod hm = (HandlerMethod) handler;
            //获取方法中的注解,看是否有该注解
            AccessLimit accessLimit = hm.getMethodAnnotation(AccessLimit.class);
            if (accessLimit == null) {
                return true;
            }
            int seconds = accessLimit.seconds();
            int maxCount = accessLimit.maxCount();
            boolean login = accessLimit.needLogin();
            String key = "1";
            //如果需要登录
            if (login) {
                //获取登录的session进行判断
                //.....
                key += "" + "1";  //这里假设用户是1,项目中是动态获取的userId
            }

            //从redis中获取用户访问的次数
            Integer count = (Integer) redisUtil.get(key);
            if (count == null) {
                //第一次访问
                redisUtil.set(key, 1, seconds);
            } else if (count < maxCount) {
                //加1
                redisUtil.incr(key, 1);
            } else {
                //超出访问次数
                render(response, "请求过于频繁~请稍后再试~"); //这里的CodeMsg是一个返回参数
                return false;
            }
        }

        return true;

    }

    private void render(HttpServletResponse response, String cm) throws Exception {
        response.setContentType("application/json;charset=UTF-8");
        OutputStream out = response.getOutputStream();
        String str = JSON.toJSONString(cm);
        out.write(str.getBytes("UTF-8"));
        out.flush();
        out.close();
    }

}

import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Component;
import org.springframework.util.CollectionUtils;

import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.TimeUnit;


@Component
@Slf4j
public class RedisUtil {

    @Autowired
    RedisTemplate redisTemplate;

    // =============================common============================

    
    public boolean expire(String key, long time) {
        try {
            if (time > 0) {
                redisTemplate.expire(key, time, TimeUnit.SECONDS);
            }
            return true;
        } catch (Exception e) {
            log.error(key, e);
            return false;
        }
    }

    
    public long getExpire(String key) {
        return redisTemplate.getExpire(key, TimeUnit.SECONDS);
    }

    
    public boolean hasKey(String key) {
        try {
            return redisTemplate.hasKey(key);
        } catch (Exception e) {
            log.error(key, e);
            return false;
        }
    }

    
    @SuppressWarnings("unchecked")
    public void del(String... key) {
        if (key != null && key.length > 0) {
            if (key.length == 1) {
                redisTemplate.delete(key[0]);
            } else {
                redisTemplate.delete(CollectionUtils.arrayToList(key));
            }
        }
    }

    // ============================String=============================

    
    public Object get(String key) {
        return key == null ? null : redisTemplate.opsForValue().get(key);
    }

    
    public boolean set(String key, Object value) {
        try {
            redisTemplate.opsForValue().set(key, value);
            return true;
        } catch (Exception e) {
            log.error(key, e);
            return false;
        }

    }

    
    public boolean set(String key, Object value, long time) {
        try {
            if (time > 0) {
                redisTemplate.opsForValue().set(key, value, time, TimeUnit.SECONDS);
            } else {
                set(key, value);
            }
            return true;
        } catch (Exception e) {
            log.error(key, e);
            return false;
        }
    }

    
    public long incr(String key, long delta) {
        if (delta < 0) {
            throw new RuntimeException("递增因子必须大于0");
        }
        return redisTemplate.opsForValue().increment(key, delta);
    }

    
    public long decr(String key, long delta) {
        if (delta < 0) {
            throw new RuntimeException("递减因子必须大于0");
        }
        return redisTemplate.opsForValue().increment(key, -delta);
    }

    // ================================Map=================================

    
    public Object hget(String key, String item) {
        return redisTemplate.opsForHash().get(key, item);
    }

    
    public Map<Object, Object> hmget(String key) {
        return redisTemplate.opsForHash().entries(key);
    }

    
    public boolean hmset(String key, Map<String, Object> map) {
        try {
            redisTemplate.opsForHash().putAll(key, map);
            return true;
        } catch (Exception e) {
            log.error(key, e);
            return false;
        }
    }

    
    public boolean hmset(String key, Map<String, Object> map, long time) {
        try {
            redisTemplate.opsForHash().putAll(key, map);
            if (time > 0) {
                expire(key, time);
            }
            return true;
        } catch (Exception e) {
            log.error(key, e);
            return false;
        }
    }

    
    public boolean hset(String key, String item, Object value) {
        try {
            redisTemplate.opsForHash().put(key, item, value);
            return true;
        } catch (Exception e) {
            log.error(key, e);
            return false;
        }
    }

    
    public boolean hset(String key, String item, Object value, long time) {
        try {
            redisTemplate.opsForHash().put(key, item, value);
            if (time > 0) {
                expire(key, time);
            }
            return true;
        } catch (Exception e) {
            log.error(key, e);
            return false;
        }
    }

    
    public void hdel(String key, Object... item) {
        redisTemplate.opsForHash().delete(key, item);
    }

    
    public boolean hHasKey(String key, String item) {
        return redisTemplate.opsForHash().hasKey(key, item);
    }

    
    public double hincr(String key, String item, double by) {
        return redisTemplate.opsForHash().increment(key, item, by);
    }

    
    public double hdecr(String key, String item, double by) {
        return redisTemplate.opsForHash().increment(key, item, -by);
    }

    // ============================set=============================

    
    public Set<Object> sGet(String key) {
        try {
            return redisTemplate.opsForSet().members(key);
        } catch (Exception e) {
            log.error(key, e);
            return null;
        }
    }

    
    public boolean sHasKey(String key, Object value) {
        try {
            return redisTemplate.opsForSet().isMember(key, value);
        } catch (Exception e) {
            log.error(key, e);
            return false;
        }
    }

    
    public long sSet(String key, Object... values) {
        try {
            return redisTemplate.opsForSet().add(key, values);
        } catch (Exception e) {
            log.error(key, e);
            return 0;
        }
    }

    
    public long sSetAndTime(String key, long time, Object... values) {
        try {
            Long count = redisTemplate.opsForSet().add(key, values);
            if (time > 0) {
                expire(key, time);
            }
            return count;
        } catch (Exception e) {
            log.error(key, e);
            return 0;
        }
    }

    
    public long sGetSetSize(String key) {
        try {
            return redisTemplate.opsForSet().size(key);
        } catch (Exception e) {
            log.error(key, e);
            return 0;
        }
    }

    
    public long setRemove(String key, Object... values) {
        try {
            Long count = redisTemplate.opsForSet().remove(key, values);
            return count;
        } catch (Exception e) {
            log.error(key, e);
            return 0;
        }
    }

    // ============================zset=============================

    
    public Set<Object> zSGet(String key) {
        try {
            return redisTemplate.opsForSet().members(key);
        } catch (Exception e) {
            log.error(key, e);
            return null;
        }
    }

    
    public boolean zSHasKey(String key, Object value) {
        try {
            return redisTemplate.opsForSet().isMember(key, value);
        } catch (Exception e) {
            log.error(key, e);
            return false;
        }
    }

    public Boolean zSSet(String key, Object value, double score) {
        try {
            return redisTemplate.opsForZSet().add(key, value, 2);
        } catch (Exception e) {
            log.error(key, e);
            return false;
        }
    }

    
    public long zSSetAndTime(String key, long time, Object... values) {
        try {
            Long count = redisTemplate.opsForSet().add(key, values);
            if (time > 0) {
                expire(key, time);
            }
            return count;
        } catch (Exception e) {
            log.error(key, e);
            return 0;
        }
    }

    
    public long zSGetSetSize(String key) {
        try {
            return redisTemplate.opsForSet().size(key);
        } catch (Exception e) {
            log.error(key, e);
            return 0;
        }
    }

    
    public long zSetRemove(String key, Object... values) {
        try {
            Long count = redisTemplate.opsForSet().remove(key, values);
            return count;
        } catch (Exception e) {
            log.error(key, e);
            return 0;
        }
    }
    // ===============================list=================================

    
    public List<Object> lGet(String key, long start, long end) {
        try {
            return redisTemplate.opsForList().range(key, start, end);
        } catch (Exception e) {
            log.error(key, e);
            return null;
        }
    }

    
    public long lGetListSize(String key) {
        try {
            return redisTemplate.opsForList().size(key);
        } catch (Exception e) {
            log.error(key, e);
            return 0;
        }
    }

    
    public Object lGetIndex(String key, long index) {
        try {
            return redisTemplate.opsForList().index(key, index);
        } catch (Exception e) {
            log.error(key, e);
            return null;
        }
    }

    
    public boolean lSet(String key, Object value) {
        try {
            redisTemplate.opsForList().rightPush(key, value);
            return true;
        } catch (Exception e) {
            log.error(key, e);
            return false;
        }
    }

    
    public boolean lSet(String key, Object value, long time) {
        try {
            redisTemplate.opsForList().rightPush(key, value);
            if (time > 0) {
                expire(key, time);
            }
            return true;
        } catch (Exception e) {
            log.error(key, e);
            return false;
        }
    }

    
    public boolean lSet(String key, List<Object> value) {
        try {
            redisTemplate.opsForList().rightPushAll(key, value);
            return true;
        } catch (Exception e) {
            log.error(key, e);
            return false;
        }
    }

    
    public boolean lSet(String key, List<Object> value, long time) {
        try {
            redisTemplate.opsForList().rightPushAll(key, value);
            if (time > 0) {
                expire(key, time);
            }
            return true;
        } catch (Exception e) {
            log.error(key, e);
            return false;
        }
    }

    
    public boolean lUpdateIndex(String key, long index, Object value) {
        try {
            redisTemplate.opsForList().set(key, index, value);
            return true;
        } catch (Exception e) {
            log.error(key, e);
            return false;
        }
    }

    
    public long lRemove(String key, long count, Object value) {
        try {
            Long remove = redisTemplate.opsForList().remove(key, count, value);
            return remove;
        } catch (Exception e) {
            log.error(key, e);
            return 0;
        }
    }

}

<groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-aop</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-redis</artifactId>
        </dependency>