java——spring boot集成redis——SpringDataRedis入门示例——redisTemplate代码验证示例...

末蓝、 2023-09-29 19:05 13阅读 0赞

pom文件：

<?xml version="1.0" encoding="UTF-8"?>
    <project xmlns="http://maven.apache.org/POM/4.0.0"
             xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
             xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
        <modelVersion>4.0.0</modelVersion>
    
        <groupId>org.example</groupId>
        <artifactId>springredis</artifactId>
        <version>1.0-SNAPSHOT</version>
    
        <properties>
            <maven.compiler.source>8</maven.compiler.source>
            <maven.compiler.target>8</maven.compiler.target>
        </properties>
    
    
        <parent>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-parent</artifactId>
            <version>2.4.5</version>
            <relativePath/>
        </parent>
    
    
        <dependencies>
           <dependency>
              <groupId>org.springframework.boot</groupId>
              <artifactId>spring-boot-starter-web</artifactId>
           </dependency>
            
            
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-data-redis</artifactId>
                <exclusions>
                    <exclusion>
                        <groupId>io.lettuce</groupId>
                        <artifactId>lettuce-core</artifactId>
                    </exclusion>
                </exclusions>
            </dependency>
    
            
            <dependency>
                <groupId>org.apache.commons</groupId>
                <artifactId>commons-pool2</artifactId>
            </dependency>
    
            
            <dependency>
                <groupId>redis.clients</groupId>
                <artifactId>jedis</artifactId>
                <version>3.3.0</version>
            </dependency>
    
    
            <dependency>
                <groupId>com.fasterxml.jackson.core</groupId>
                <artifactId>jackson-databind</artifactId>
            </dependency>
    
    
    
        </dependencies>
    
    
    </project>

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配置文件：

#Redis\u6570\u636E\u5E93\u7D22\u5F15\uFF08\u9ED8\u8BA4\u4E3A0\uFF09
    spring.redis.database=0
    #Redis\u670D\u52A1\u5668\u5730\u5740\uFF08\u9ED8\u8BA4\u4E3Alocalhost\uFF09
    spring.redis.host=127.0.0.1
    #Redis\u670D\u52A1\u5668\u8FDE\u63A5\u7AEF\u53E3\uFF08\u9ED8\u8BA4\u4E3A6379\uFF09
    spring.redis.port=6379
    #Redis\u670D\u52A1\u5668\u8FDE\u63A5\u5BC6\u7801\uFF08\u9ED8\u8BA4\u4E3A\u7A7A\uFF09
    spring.redis.password=
    #\u8FDE\u63A5\u8D85\u65F6\u65F6\u95F4\uFF08\u6BEB\u79D2\uFF09
    spring.redis.timeout=3600
    #\u662F\u5426\u4F7F\u7528ssl\uFF0C\u9ED8\u8BA4\u4E3Afalse
    spring.redis.ssl=false
    
    
    #\u914D\u7F6E\u8FDE\u63A5\u6C60
    #\u5982\u679C\u4F7F\u7528lettuce \u5219\u5C06jedis\u6539\u6210lettuce\u5373\u53EF
    
    #\u8FDE\u63A5\u6C60\u6700\u5927\u963B\u585E\u7B49\u5F85\u65F6\u95F4\uFF08\u4F7F\u7528\u8D1F\u503C\u8868\u793A\u6CA1\u6709\u9650\u5236\uFF09 \u9ED8\u8BA4\u503C\u4E3A-1
    spring.redis.lettuce.pool.max-wait=-1
    #\u8FDE\u63A5\u6C60\u6700\u5927\u8FDE\u63A5\u6570\uFF08\u4F7F\u7528\u8D1F\u503C\u8868\u793A\u6CA1\u6709\u9650\u5236\uFF09 \u9ED8\u8BA4\u503C\u4E3A8
    spring.redis.lettuce.pool.max-active=8
    #\u8FDE\u63A5\u6C60\u4E2D\u7684\u6700\u5927\u7A7A\u95F2\u8FDE\u63A5 \u9ED8\u8BA4\u503C\u4E3A8
    spring.redis.lettuce.pool.max-idle=8
    #\u8FDE\u63A5\u6C60\u4E2D\u7684\u6700\u5C0F\u7A7A\u95F2\u8FDE\u63A5 \u9ED8\u8BA4\u503C\u4E3A0
    spring.redis.lettuce.pool.min-idle=0
    
    
    #\u8FDE\u63A5\u6C60\u6700\u5927\u963B\u585E\u7B49\u5F85\u65F6\u95F4\uFF0C\u5355\u4F4D\u6BEB\u79D2\uFF08\u4F7F\u7528\u8D1F\u503C\u8868\u793A\u6CA1\u6709\u9650\u5236\uFF09
    spring.redis.jedis.pool.max-wait=3600
    #\u8FDE\u63A5\u6C60\u6700\u5927\u8FDE\u63A5\u6570\uFF08\u4F7F\u7528\u8D1F\u503C\u8868\u793A\u6CA1\u6709\u9650\u5236\uFF09 \u9ED8\u8BA4\u503C\u4E3A8
    spring.redis.jedis.pool.max-active=8
    #\u8FDE\u63A5\u6C60\u4E2D\u7684\u6700\u5927\u7A7A\u95F2\u8FDE\u63A5 \u9ED8\u8BA4\u503C\u4E3A8
    spring.redis.jedis.pool.max-idle=8
    #\u8FDE\u63A5\u6C60\u4E2D\u7684\u6700\u5C0F\u7A7A\u95F2\u8FDE\u63A5 \u9ED8\u8BA4\u503C\u4E3A0
    spring.redis.jedis.pool.min-idle=0

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redis配置文件：

key序列化为String；

value序列化为json对象；

package org.example.config;
    
    import org.springframework.context.annotation.Bean;
    import org.springframework.context.annotation.Configuration;
    import org.springframework.data.redis.connection.RedisConnectionFactory;
    import org.springframework.data.redis.core.*;
    import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer;
    import org.springframework.data.redis.serializer.RedisSerializer;
    
    @Configuration
    public class RedisConfig
    {
        @Bean
        public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory redisConnectionFactory)
        {
            // 创建一个RedisTemplate对象
            RedisTemplate<String, Object> template = new RedisTemplate<>();
    
            // 设置连接工厂
            template.setConnectionFactory(redisConnectionFactory);
    
            // 创建json序列化工具
    
            GenericJackson2JsonRedisSerializer jsonRedisSerializer = new GenericJackson2JsonRedisSerializer();
    
            //配置key序列化
            template.setKeySerializer(RedisSerializer.string());
            template.setHashKeySerializer(RedisSerializer.string());
    
            //配置value序列化
            template.setValueSerializer(jsonRedisSerializer);
            template.setHashValueSerializer(jsonRedisSerializer);
    
            return template;
        }
    }

![58eae2e4560a3890efba622479a8fad0.png][]

POJO类：

package org.example.Entity;
    
    public class MyUser
    {
    
        private int id;
    
        private String name;
    
        public MyUser() {
        }
    
        public MyUser(int id, String name, int age) {
            this.id = id;
            this.name = name;
            this.age = age;
        }
    
        private int age;
    
        public int getId()
        {
    
            return id;
        }
    
        public void setId(int id)
        {
    
            this.id = id;
        }
    
        public String getName()
        {
    
            return name;
        }
    
        public void setName(String name)
        {
    
            this.name = name;
        }
    
        public int getAge()
        {
    
            return age;
        }
    
        public void setAge(int age)
        {
    
            this.age = age;
        }
    
        @Override
        public String toString()
        {
    
            return "MyUser{" +
                    "id=" + id +
                    ", name='" + name + '\'' +
                    ", age=" + age +
                    '}';
        }
    }

controller：

package org.example.controller;
    
    import org.example.Entity.MyUser;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.data.redis.core.RedisTemplate;
    import org.springframework.web.bind.annotation.*;
    
    @RestController
    public class MyUserController
    {
        @Autowired
        private RedisTemplate<String,Object> redisTemplate;
    
    
        /**
         * 查询所有用户信息
         * @return
         */
        @GetMapping(value = "/get")
        public MyUser get()
        {
            redisTemplate.opsForValue().set("abc",new MyUser(10,"a",11));
    
            MyUser  s = (MyUser) redisTemplate.opsForValue().get("abc");
    
            System.out.println(s);
    
            return s;
    
        }
    
    }

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[1dd89f0f34c319b019a90f40e338638f.png]: https://img-blog.csdnimg.cn/img_convert/1dd89f0f34c319b019a90f40e338638f.png
[58eae2e4560a3890efba622479a8fad0.png]: https://img-blog.csdnimg.cn/img_convert/58eae2e4560a3890efba622479a8fad0.png
[6b2a144f5aead41ded13a07cf87601f8.png]: https://img-blog.csdnimg.cn/img_convert/6b2a144f5aead41ded13a07cf87601f8.png
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