springboot防刷的实现帮我写一个
时间: 2023-02-14 18:28:10 浏览: 51
Spring Boot 防刷的实现方法有很多,下面列出几种常用的方法:
1. 使用 Spring Boot 提供的 RateLimiterFilter,它可以通过配置来限制访问频率,例如:
```
@Bean
public FilterRegistrationBean rateLimiterFilter() {
FilterRegistrationBean registration = new FilterRegistrationBean();
registration.setFilter(new RateLimiterFilter());
registration.addUrlPatterns("/*");
registration.setOrder(-1); //越小越靠前
Map<String, String> initParameters = new HashMap<>();
initParameters.put("rate.limit", "10/min"); //限制 10 次/分钟
registration.setInitParameters(initParameters);
return registration;
}
```
2. 使用 Redis 和 Guava 实现令牌桶限流,例如:
```
@Bean
public KeyedRateLimiter redisRateLimiter(RedisTemplate redisTemplate) {
//每秒生成 10 个令牌,最多存储 100 个令牌
RateLimiter rateLimiter = RateLimiter.create(10.0);
return new RedisRateLimiter(redisTemplate, "request_limit_", rateLimiter, 100);
}
@Bean
public KeyedRateLimiter guavaRateLimiter() {
//每秒生成 10 个令牌,最多存储 100 个令牌
RateLimiter rateLimiter = RateLimiter.create(10.0);
return new GuavaRateLimiter("request_limit_", rateLimiter, 100);
}
```
然后,在控制器的方法上添加注解 @RateLimiter,即可实现限流:
```
@GetMapping("/test")
@RateLimiter(key = "request_limit_test")
public String test() {
//处理业务逻辑
return "ok";
}
```
3. 使用 Spring Security 实现防刷,例如:
```
@Configuration
@EnableWebSecurity
public class SecurityConfig extends WebSecurityConfigurerAdapter {
@Autowired
private CustomAuthenticationProvider customAuthenticationProvider;
@Override
protected void configure(HttpSecurity http) throws Exception {
http
.authenticationProvider(customAuthenticationProvider)
.authorizeRequests()