本文主要是介绍自定义一个RedisTemplate，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
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;@PostConstructpublic 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
这篇关于自定义一个RedisTemplate的文章就介绍到这儿，希望我们推荐的文章对编程师们有所帮助！
