自定义一个RedisTemplate

发布于:2024-04-24 ⋅ 阅读:(15) ⋅ 点赞:(0)

1.引入依赖

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

2.创建工具类

import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.connection.RedisStandaloneConfiguration;
import org.springframework.data.redis.connection.jedis.JedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.JdkSerializationRedisSerializer;
import org.springframework.data.redis.serializer.RedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;
import org.springframework.stereotype.Component;
import java.util.concurrent.TimeUnit;
import javax.annotation.PostConstruct;

/**
 * @创建人 lr
 * @创建时间 2024-04-14
 * @描述
 */
@Component
@Slf4j
public class MyRedisTemplate {

    public static String KEY = "test:old:boot:";

    @Value("${jeecg_redis.host:local_use1}")
    public String host;
    @Value("${jeecg_redis.port:6379}")
    public Integer port;
    @Value("${jeecg_redis.password:}")
    public String password;
    @Value("${jeecg_redis.db:4}")
    public Integer db;

    RedisTemplate<String, String> redisTemplate = null;

    @PostConstruct
    public RedisTemplate<String, String> getResisTemplate() {
        RedisStandaloneConfiguration configuration = new RedisStandaloneConfiguration(host, port);
        if(password !=null && !"".equals(password))
            configuration.setPassword(password);
        configuration.setDatabase(db);
        JedisConnectionFactory jedisConnectionFactory = new JedisConnectionFactory(configuration);
        //让配置生效 否则会报错
        //java.lang.IllegalStateException: JedisConnectionFactory was not initialized through afterPropertiesSet()
//        jedisConnectionFactory.afterPropertiesSet();

        redisTemplate = new RedisTemplate<>();
        redisTemplate.setConnectionFactory(jedisConnectionFactory);
        GenericJackson2JsonRedisSerializer jackson2JsonRedisSerializer = new GenericJackson2JsonRedisSerializer();
        redisTemplate.setKeySerializer(RedisSerializer.string());
        redisTemplate.setHashKeySerializer(RedisSerializer.string());

        redisTemplate.setValueSerializer(jackson2JsonRedisSerializer);
        redisTemplate.setHashValueSerializer(jackson2JsonRedisSerializer);
        redisTemplate.afterPropertiesSet();
        return redisTemplate;
    }

    /**
     * 保存字符串类型数据
     * @param str_name 保存字符串名字
     * @param str_value	保存字符串值
     * @param expire_minutes	保存字符串时间,是分钟
     * @return
     */
    public boolean insertStr(String str_name,String str_value,Long expire_minutes){
        str_name = getKey(str_name);
        try {
            log.info("redisService保存redis字符串str_name:{}---str_value:{}--expire_time:{}",
                    str_name,str_value,expire_minutes);
            redisTemplate.opsForValue().set(str_name, str_value, expire_minutes, TimeUnit.MINUTES);
            return true;
        } catch (Exception e) {
            log.error("redisService保存系统异常:",e.getLocalizedMessage());
            e.printStackTrace();
            return false;
        }
    }

    /**
     * 更新字符串类型数据
     * @param str_name	字符串名字
     * @param str_value	字符串值
     * @param expire_time	字符串时间,是分钟
     * @return
     */
    public boolean updateStr(String str_name,String str_value,Long expire_time){
        str_name = getKey(str_name);
        try {
            log.info("redisService更新redis字符串str_name:{}---str_value:{}--expire_time:{}",
                    str_name,str_value,expire_time);
            //如果存在直接删除
            Boolean hasKey = redisTemplate.hasKey(str_name);
            if(hasKey){
                redisTemplate.delete(str_name);
            }
            //重新保存
            redisTemplate.opsForValue().set(str_name, str_value, expire_time, TimeUnit.MINUTES);
            return true;
        } catch (Exception e) {
            log.error("redisService更新系统异常:",e.getLocalizedMessage());
            e.printStackTrace();
            return false;
        }
    }

    /**
     * 删除字符串类型数据
     * @param str_name	字符串名字
     * @return
     */
    public Boolean deleteStr(String str_name){
        str_name = getKey(str_name);
        try {
            log.info("redisService删除redis字符串str_name:{}",str_name);
            //如果存在就获取
            Boolean hasKey = redisTemplate.hasKey(str_name);
            if(hasKey){
                redisTemplate.delete(str_name);
            }
            return true;
        } catch (Exception e) {
            log.error("redisService删除系统异常:",e.getLocalizedMessage());
            e.printStackTrace();
            return false;
        }
    }

    public Boolean exist(String str_name) {
        str_name = getKey(str_name);
        return redisTemplate.hasKey(str_name);
    }

    /**
     * 查找字符串类型数据
     * @param str_name	字符串名字
     * @return
     */
    public String selectStr(String str_name){
        str_name = getKey(str_name);
        try {
            log.info("redisService保存redis字符串str_name:{}",str_name);
            //如果存在就获取
            Boolean hasKey = redisTemplate.hasKey(str_name);
            Object str = null;
            if(hasKey){
                str= redisTemplate.opsForValue().get(str_name);
                log.info("redisService查找redis字符串str_name:{}--str_value:{}",
                        str_name,str);
            }
            return str!=null?str.toString():"";
        } catch (Exception e) {
            log.error("redisService查询系统异常:",e.getLocalizedMessage());
            e.printStackTrace();
            return null;
        }
    }

    public boolean expire(String token, long minutes) {
        Boolean expire = redisTemplate.expire(token, minutes, TimeUnit.MINUTES);
        return expire;
    }

    public String getKey(String key) {
        return new StringBuffer(KEY).append(key).toString();
    }

}

3.记录异常

java.lang.IllegalStateException: JedisConnectionFactory was not initialized through afterPropertiesSet()
	at org.springframework.util.Assert.state(Assert.java:76)
	at org.springframework.data.redis.connection.jedis.JedisConnectionFactory.assertInitialized(JedisConnectionFactory.java:970)
	at org.springframework.data.redis.connection.jedis.JedisConnectionFactory.getConnection(JedisConnectionFactory.java:509)
	at org.springframework.data.redis.core.RedisConnectionUtils.fetchConnection(RedisConnectionUtils.java:193)
	at org.springframework.data.redis.core.RedisConnectionUtils.doGetConnection(RedisConnectionUtils.java:144)
	at org.springframework.data.redis.core.RedisConnectionUtils.getConnection(RedisConnectionUtils.java:105)
	at org.springframework.data.redis.core.RedisTemplate.execute(RedisTemplate.java:211)
	at org.springframework.data.redis.core.RedisTemplate.execute(RedisTemplate.java:191)
	at org.springframework.data.redis.core.RedisTemplate.hasKey(RedisTemplate.java:782)
	at org.jeecg.common.util.easy.MyRedisTemplate.selectStr(MyRedisTemplate.java:132)
	at org.jeecg.config.shiro.ShiroRealm.checkUserTokenIsEffect(ShiroRealm.java:121)
	at org.jeecg.config.shiro.ShiroRealm.doGetAuthenticationInfo(ShiroRealm.java:111)
	at org.apache.shiro.realm.AuthenticatingRealm.getAuthenticationInfo(AuthenticatingRealm.java:571)
	at org.apache.shiro.authc.pam.ModularRealmAuthenticator.doSingleRealmAuthentication(ModularRealmAuthenticator.java:180)
	at org.apache.shiro.authc.pam.ModularRealmAuthenticator.doAuthenticate(ModularRealmAuthenticator.java:273)
	at org.apache.shiro.authc.AbstractAuthenticator.authenticate(AbstractAuthenticator.java:198)
	at org.apache.shiro.mgt.AuthenticatingSecurityManager.authenticate(AuthenticatingSecurityManager.java:106)
	at org.apache.shiro.mgt.DefaultSecurityManager.login(DefaultSecurityManager.java:275)
	at org.apache.shiro.subject.support.DelegatingSubject.login(DelegatingSubject.java:260)
	at org.jeecg.config.shiro.filters.JwtFilter.executeLogin(JwtFilter.java:74)
	at org.jeecg.config.shiro.filters.JwtFilter.isAccessAllowed(JwtFilter.java:50)
	at org.apache.shiro.web.filter.AccessControlFilter.onPreHandle(AccessControlFilter.java:162)
	at org.apache.shiro.web.filter.PathMatchingFilter.isFilterChainContinued(PathMatchingFilter.java:223)
	at org.apache.shiro.web.filter.PathMatchingFilter.preHandle(PathMatchingFilter.java:198)
	at org.jeecg.config.shiro.filters.JwtFilter.preHandle(JwtFilter.java:108)
	at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:131)
	at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:154)
	at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66)
	at org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108)
	at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137)
	at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:154)
	at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66)
	at org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:458)
	at org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:373)
	at org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)
	at org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)
	at org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:387)
	at org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:370)
	at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:154)
	at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:354)
	at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:267)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153)
	at org.springframework.boot.actuate.web.trace.servlet.HttpTraceFilter.doFilterInternal(HttpTraceFilter.java:88)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153)
	at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:61)
	at org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108)
	at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137)
	at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:154)
	at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66)
	at org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108)
	at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137)
	at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:154)
	at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66)
	at org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:458)
	at org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:373)
	at org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)
	at org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)
	at org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:387)
	at org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:370)
	at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:154)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153)
	at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153)
	at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153)
	at org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.doFilterInternal(WebMvcMetricsFilter.java:96)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153)
	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:168)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:481)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:130)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342)
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:390)
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63)
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:928)
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1794)
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52)
	at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)
	at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:748)

造成问题原因:  

jedisConnectionFactory没有让配置生效