Spring Boot锛堝崄涓€锛塕edis闆嗘垚浠嶥ocker瀹夎鍒板垎甯冨紡Session鍏变韩

Posted 2021-01-17

鏍囩锛?a href='http://www.mamicode.com/so/1/rar' title='rar'>rar   ansi c   杩炴帴   浣跨敤姝ラ   www.   娉ㄨВ   hub   tree   浠ｇ爜   

浜屻€佸湪Docker涓畨瑁匯edis

2.1 涓嬭浇闀滃儚

璁块棶瀹樼綉锛歨ttps://hub.docker.com/r/library/redis/ 閫夋嫨涓嬭浇鐗堟湰锛屾湰鏂囬€夋嫨鏈€鏂癝table 4.0.11

浣跨敤鍛戒护鎷夊彇闀滃儚锛?/p>

docker pull redis:4.0.11

2.2 鍚姩瀹瑰櫒

鍚姩Redis鍛戒护濡備笅锛?/p>

docker run --name myredis -p 6379:6379 -d redis:4.0.11 redis-server --appendonly yes

鍛戒护璇存槑锛?/p>

• --name 璁剧疆鍒悕
• -p 鏄犲皠瀹夸富绔彛鍒板鍣ㄧ鍙?/li>
• -d 鍚庡彴杩愯
• redis-server --appendonly yes 鍦ㄥ鍣ㄥ惎鍔ㄦ墽琛宺edis-server鍚姩鍛戒护锛屾墦寮€redis鎸佷箙鍖?/li>

鍚姩鎴愬姛涔嬪悗浣跨敤鍛戒护锛?/p>

docker ps

鏌ョ湅redis杩愯璇锋眰锛屽涓嬪浘涓鸿繍琛屾垚鍔燂細

涓夈€丷edis闆嗘垚

寮€鍙戠幆澧?/p>

• Spring Boot 2.0.4 RELEASE
• Manven

3.1 娣诲姞渚濊禆

鍦╬om.xml娣诲姞濡備笅渚濊禆锛?/p>

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

娉ㄦ剰涓嶈渚濊禆鈥渟pring-boot-starter-redis鈥濆畠鏄棫鐗堟湰锛屾柊鐗堝凡缁忚縼绉诲埌鈥渟pring-boot-starter-data-redis鈥濅簡銆?/p>

3.2 閰嶇疆Redis

鍦╝pplication.properties杩涜濡備笅璁剧疆锛?/p>

# Redis 閰嶇疆
# Redis鏈嶅姟鍣ㄥ湴鍧€
spring.redis.host=127.0.0.1
# Redis鏈嶅姟鍣ㄨ繛鎺ュ瘑鐮侊紙榛樿涓虹┖锛?spring.redis.password=
# Redis鏈嶅姟鍣ㄨ繛鎺ョ鍙?spring.redis.port=6379  
# Redis鍒嗙墖锛堥粯璁や负0锛塕edis榛樿鏈?6涓垎鐗?spring.redis.database=0
# 杩炴帴姹犳渶澶ц繛鎺ユ暟锛堜娇鐢ㄨ礋鍊艰〃绀烘病鏈夐檺鍒讹級
spring.redis.pool.max-active=8  
# 杩炴帴姹犳渶澶ч樆濉炵瓑寰呮椂闂达紙浣跨敤璐熷€艰〃绀烘病鏈夐檺鍒讹級
spring.redis.pool.max-wait=-1  
# 杩炴帴姹犱腑鐨勬渶澶х┖闂茶繛鎺?spring.redis.pool.max-idle=8  
# 杩炴帴姹犱腑鐨勬渶灏忕┖闂茶繛鎺?spring.redis.pool.min-idle=0  
# 杩炴帴瓒呮椂鏃堕棿锛堟绉掞級
spring.redis.timeout=10000
# 鎸囧畾spring鐨勭紦瀛樹负redis
spring.cache.type=redis

娉ㄦ剰锛歴pring.redis.timeout涓嶈璁剧疆涓?锛岃缃负0鏌ヨRedis鏃朵細鎶ラ敊锛屽洜涓烘煡璇㈣繛鎺ユ椂闂村お鐭簡銆?/p>

3.3 Redis浣跨敤

瀹屾垚浠ヤ笂閰嶇疆涔嬪悗灏卞彲浠ュ啓浠ｇ爜鎿嶄綔Redis浜嗭紝绀轰緥浠ｇ爜濡備笅锛?/p>

@Autowired
private StringRedisTemplate stringRedisTemplate;

@RequestMapping("/")
public String doTest() {
    String _key = "time"; //缂撳瓨key
    stringRedisTemplate.opsForValue().set(_key, String.valueOf(new Date().getTime())); //redis瀛樺€?    return stringRedisTemplate.opsForValue().get(_key); //redis鍙栧€?}

鏇村鎿嶄綔锛?/p>

• stringRedisTemplate.opsForValue().set("test", "100",60*10,TimeUnit.SECONDS); 鍚憆edis閲屽瓨鍏ユ暟鎹拰璁剧疆缂撳瓨鏃堕棿锛?/li>
• stringRedisTemplate.hasKey("keyName"); 妫€鏌ey鏄惁瀛樺湪锛岃繑鍥瀊oolean锛?/li>

鍥涖€佸０鏄庡紡缂撳瓨

涓轰簡绠€鍖栫紦瀛樺彲浠ョ洿鎺ヤ娇鐢ㄥ０鍚嶅紡缂撳瓨锛屽彲浠ョ渷鍘昏缃紦瀛樺拰璇诲彇缂撳瓨鐨勪唬鐮侊紝浣跨敤璧锋潵浼氭柟渚垮緢澶氥€?/p>

澹版槑寮忕紦瀛樹娇鐢ㄦ楠ゅ涓嬶細

4.1 璁剧疆Redis缂撳瓨

鍦╬om.xml鏂囦欢璁剧疆缂撳瓨涓篟edis锛屼唬鐮佸涓嬶細

spring.cache.type=redis

4.2 寮€鍚叏灞€缂撳瓨

鍦ㄥ惎鍔ㄦ枃浠禔pplication.java璁剧疆寮€鍚紦瀛橈紝浠ｇ爜濡備笅锛?/p>

@SpringBootApplication
@EnableCaching
public class Application {
    public static void main(String[] args) {
        SpringApplication.run(Application.class, args);
    }
}

4.3 浣跨敤娉ㄨВ

娉ㄨВ濡備笅锛?/p>

• @Cacheable 璁剧疆骞惰鍙栫紦瀛橈紙绗竴娆¤缃互鍚庣洿鎺ヨ鍙栵級锛?/li>
• @CachePut 鏇存柊缂撳瓨锛堟瘡娆″垹闄ゅ苟鏇存柊缂撳瓨缁撴灉锛夛紱
• @CacheEvict 鍒犻櫎缂撳瓨锛堝彧鍒犻櫎缂撳瓨锛夛紱

閫氱敤灞炴€э細

• value 缂撳瓨鍚嶇О锛?/li>
• key 浣跨敤SpEL琛ㄨ揪寮忚嚜瀹氫箟鐨勭紦瀛楰ey锛屾瘮濡傦細#name鏄互鍙傛暟name涓簁ey鐨勭紦瀛橈紝#resule.name鏄互杩斿洖缁撴灉鐨刵ame浣滀负key鐨勭紦瀛橈紱

4.3.1 @Cacheable 浣跨敤

绀轰緥浠ｇ爜濡備笅锛?/p>

// 缂撳瓨key
private final String _CacheKey = "userCacheKeyTime";
    
@RequestMapping("/")
@Cacheable(value = _CacheKey)
public String index() {
    System.out.println("set cache");
    return "cache:" + new Date().getTime();
}

鍙湁棣栨璁块棶鐨勬椂鍊欎細鍦ㄦ帶鍒跺彴鎵撳嵃鈥渟et cache鈥濅俊鎭紝涔嬪悗鐩存帴杩斿洖Redis缁撴灉浜嗭紝涓嶄細鍦ㄦ湁娣诲姞鐨勬墦鍗颁俊鎭嚭鐜般€?/p>

4.3.2 @CachePut 浣跨敤

绀轰緥浠ｇ爜濡備笅锛?/p>

// 缂撳瓨key
private final String _CacheKey = "userCacheKeyTime";

@RequestMapping("/put")
@CachePut(value = _CacheKey)
public String putCache() {
    System.out.println("update cache");
    return "update cache:" + new Date().getTime();
}

璁块棶http://xxx/put 姣忔浼氭妸鏈€鏂扮殑鏁版嵁瀛樺偍缂撳瓨璧锋潵銆?/p>

4.3.3 @CacheEvict 浣跨敤

绀轰緥浠ｇ爜濡備笅锛?/p>

// 缂撳瓨key
private final String _CacheKey = "userCacheKeyTime";

@RequestMapping("/del")
@CacheEvict(value = _CacheKey)
public String delCache() {
    System.out.println("缂撳瓨鍒犻櫎");
    return "delete cache:" + new Date().getTime();
}

璁块棶http://xxx/del 鍙細鍒犻櫎缂撳瓨锛岄櫎姝や箣鍚庝笉浼氳繘琛屼换浣曟搷浣溿€?/p>

浜斻€佸垎甯冨紡Session鍏变韩

鍦ㄥ垎甯冨紡绯荤粺涓璖ession鍏变韩鏈夊緢澶氱鏂规锛岃€屾妸Session鎵樼鍦ㄧ紦瀛樹腑鏄渶甯哥敤鐨勬柟妗堜箣涓€锛屼笅闈㈡潵鐪婼ession鍦≧edis涓殑鎵樼姝ラ銆?/p>

5.1 娣诲姞渚濊禆

鍦╬om.xml涓坊鍔犲涓嬪紩鐢細

<dependency>
    <groupId>org.springframework.session</groupId>
    <artifactId>spring-session-data-redis</artifactId>
</dependency>

5.2 寮€鍚疭ession鍔熻兘

鍦ㄥ惎鍔ㄧ被Application.java鐨勭被娉ㄨВ娣诲姞寮€鍚疭ession锛屼唬鐮佸涓嬶細

@SpringBootApplication
@EnableCaching
@EnableRedisHttpSession(maxInactiveIntervalInSeconds = 1800)
public class RedisApplication {
    public static void main(String[] args) {
        SpringApplication.run(RedisApplication.class, args);
    }
}

鍏朵腑maxInactiveIntervalInSeconds涓篠ession杩囨湡鏃堕棿锛岄粯璁?0鍒嗛挓锛岃缃崟浣嶄负绉掋€?/p>

5.3 Session浣跨敤

鎺ヤ笅鏉ョ紪鍐欎竴娈典唬鐮佹潵娴嬭瘯涓€涓婼ession锛岀ず渚嬩唬鐮佸涓嬶細

@RequestMapping("/uid")
public String testSession(HttpSession session) {
    UUID uid = (UUID) session.getAttribute("uid");
    if (uid == null) {
        uid = UUID.randomUUID();
    }
    session.setAttribute("uid", uid);
    
    return session.getId();
}

杩炵画璁块棶涓ゆ璇锋眰涔嬪悗锛屾煡鐪嬫帶鍒跺彴淇℃伅濡備笅鍥撅細

鍙互鐪嬪嚭锛屼袱娆¤闂殑SessionId鏄竴鏍风殑锛岃繖涓椂鍊欏湪鏌ョ湅Redis 瀹㈡埛绔紝濡備笅鍥撅細

鍙戠幇Redis閲屽瓨鍌ㄧ殑Session杩囨湡鏃堕棿涔熸槸瀵圭殑锛岀鍚堟垜浠殑璁剧疆銆?/p>

5.4 鍒嗗竷寮忕郴缁熷叡浜玈ession

鍥犱负鎶奡ession鎵樼缁欏悓涓€鍙癛edis鏈嶅姟鍣ㄤ簡锛屾墍浠ession鍦⊿pring Boot涓寜鐓у涓婃柟寮忓湪閰嶇疆澶氬彴鏈嶅姟鍣紝寰楀埌鐨凷ession鏄竴鏍风殑銆?/p>

绀轰緥婧愮爜涓嬭浇锛歨ttps://github.com/vipstone/springboot-example/tree/master/springboot-redis

鍙傝€冭祫鏂?/strong>