登录增加限流控制

src/main/java/xyz/playedu/api/caches/UserLoginCache.java

@@ -0,0 +1,32 @@
+package xyz.playedu.api.caches;
+
+import org.springframework.stereotype.Component;
+import xyz.playedu.api.exception.LimitException;
+import xyz.playedu.api.util.RedisUtil;
+
+/**
+ * @Author 杭州白书科技有限公司
+ * @create 2023/3/10 14:13
+ */
+@Component
+public class UserLoginCache {
+
+    private final static String keyTemplate = "user-login:%s";
+
+    private final static int expire = 10;//10s
+
+    public void check(String email) throws LimitException {
+        if (RedisUtil.exists(key(email))) {
+            throw new LimitException();
+        }
+    }
+
+    public void put(String email) {
+        RedisUtil.set(key(email), "1", expire);
+    }
+
+    private String key(String email) {
+        return String.format(keyTemplate, email);
+    }
+
+}