2020-02-05 00:31:51 +08:00
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package com.pj.satoken;
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import java.util.concurrent.TimeUnit;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.data.redis.core.RedisTemplate;
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import org.springframework.data.redis.core.StringRedisTemplate;
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2020-02-17 23:54:18 +08:00
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import org.springframework.data.redis.serializer.JdkSerializationRedisSerializer;
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2020-02-05 00:31:51 +08:00
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import org.springframework.data.redis.serializer.StringRedisSerializer;
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import cn.dev33.satoken.dao.SaTokenDao;
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import cn.dev33.satoken.session.SaSession;
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/**
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* sa-token持久层的实现类 , 基于redis
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*/
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2020-12-16 02:10:51 +08:00
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//@Component // 打开此注解,保证此类被springboot扫描,即可完成sa-token与redis的集成
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2020-02-05 00:31:51 +08:00
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public class SaTokenDaoRedis implements SaTokenDao {
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// string专用
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@Autowired
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StringRedisTemplate stringRedisTemplate;
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// SaSession专用
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RedisTemplate<String, SaSession> redisTemplate;
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@Autowired
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@SuppressWarnings({ "rawtypes", "unchecked" })
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public void setRedisTemplate(RedisTemplate redisTemplate) {
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2020-05-02 15:19:55 +08:00
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redisTemplate.setKeySerializer(new StringRedisSerializer());
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redisTemplate.setValueSerializer(new JdkSerializationRedisSerializer());
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2020-02-05 00:31:51 +08:00
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this.redisTemplate = redisTemplate;
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}
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// 根据key获取value ,如果没有,则返回空
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@Override
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public String getValue(String key) {
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return stringRedisTemplate.opsForValue().get(key);
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}
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// 写入指定key-value键值对,并设定过期时间(单位:秒)
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@Override
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public void setValue(String key, String value, long timeout) {
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stringRedisTemplate.opsForValue().set(key, value, timeout, TimeUnit.SECONDS);
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}
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2020-12-14 01:34:11 +08:00
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// 更新指定key-value键值对 (过期时间取原来的值)
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@Override
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public void updateValue(String key, String value) {
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long expire = redisTemplate.getExpire(key);
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if(expire == -2) { // -2 = 无此键
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return;
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}
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stringRedisTemplate.opsForValue().set(key, value, expire, TimeUnit.SECONDS);
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}
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2020-02-05 00:31:51 +08:00
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// 删除一个指定的key
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@Override
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public void delKey(String key) {
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stringRedisTemplate.delete(key);
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}
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// 根据指定key的session,如果没有,则返回空
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@Override
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public SaSession getSaSession(String sessionId) {
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return redisTemplate.opsForValue().get(sessionId);
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}
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// 将指定session持久化
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@Override
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public void saveSaSession(SaSession session, long timeout) {
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redisTemplate.opsForValue().set(session.getId(), session, timeout, TimeUnit.SECONDS);
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}
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// 更新指定session
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@Override
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public void updateSaSession(SaSession session) {
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long expire = redisTemplate.getExpire(session.getId());
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if(expire == -2) { // -2 = 无此键
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return;
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}
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redisTemplate.opsForValue().set(session.getId(), session, expire, TimeUnit.SECONDS);
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}
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// 删除一个指定的session
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@Override
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2020-12-14 01:34:11 +08:00
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public void deleteSaSession(String sessionId) {
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2020-02-05 00:31:51 +08:00
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redisTemplate.delete(sessionId);
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}
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2020-12-14 01:34:11 +08:00
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2020-02-05 00:31:51 +08:00
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}
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