first commit

src/main/java/com/example/sso/util/JedisUtil.java

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+package com.example.sso.util;
+
+import redis.clients.jedis.Jedis;
+
+public class JedisUtil {
+    private static final String HOST = "154.8.146.52";
+    private static final int PORT = 6379;
+
+    // 获取Jedis连接
+    public static Jedis getJedisClient() {
+        return new Jedis(HOST, PORT);
+    }
+
+    // 设置键值对
+    public static void set(String key, String value) {
+        try (Jedis jedis = getJedisClient()) {
+            jedis.set(key, value);
+        }
+    }
+
+    // 获取值
+    public static String get(String key) {
+        try (Jedis jedis = getJedisClient()) {
+            return jedis.get(key);
+        }
+    }
+
+    // 删除键
+    public static void del(String key) {
+        try (Jedis jedis = getJedisClient()) {
+            jedis.del(key);
+        }
+    }
+
+    // 设置过期时间
+    public static void expire(String key, int seconds) {
+        try (Jedis jedis = getJedisClient()) {
+            jedis.expire(key, seconds);
+        }
+    }
+}