SpringBoot2整合Redis实现读写操作

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

        <dependency>
            <groupId>org.apache.commons</groupId>
            <artifactId>commons-pool2</artifactId>
        </dependency>

<?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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.2.2.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.syrdbt</groupId>
    <artifactId>redis-study</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>redis-study</name>
    <description>Demo project for Spring Boot</description>

    <properties>
        <java.version>1.8</java.version>
    </properties>

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

        <dependency>
            <groupId>org.apache.commons</groupId>
            <artifactId>commons-pool2</artifactId>
        </dependency>

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

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
            <exclusions>
                <exclusion>
                    <groupId>org.junit.vintage</groupId>
                    <artifactId>junit-vintage-engine</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

</project>

package com.syrdbt.redis.study;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
public class RedisStudyApplication {

    public static void main(String[] args) {
        SpringApplication.run(RedisStudyApplication.class, args);
    }

}

package com.syrdbt.redis.study.controller;

import com.sun.tools.javac.code.Attribute;
import com.syrdbt.redis.study.constant.Constant;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import java.io.Console;


@RestController
public class RedisStudyController {
    @Autowired
    private RedisTemplate redisTemplate;

    
    @GetMapping("/redis/get")
    public String visitStringByKey(@RequestParam String key) {
        return (String) redisTemplate.opsForValue().get(Constant.NAMESPACE + ":" + key);
    }

    
    @GetMapping("/redis/set")
    public String visitStringByKey(@RequestParam String key, @RequestParam String value) {
        try {
            redisTemplate.opsForValue().set(Constant.NAMESPACE + ":" + key, value);
        } catch (Exception e) {
            return "error";
        }
        return "success";
    }
}

package com.syrdbt.redis.study.config;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.GenericToStringSerializer;
import org.springframework.data.redis.serializer.RedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;


@Configuration
public class RedisConfig {

    private final RedisTemplate redisTemplate;

    @Autowired
    public RedisConfig(RedisTemplate redisTemplate) {
        this.redisTemplate = redisTemplate;
    }

    @Bean
    @SuppressWarnings("unchecked")
    public RedisTemplate<String, Object> redisTemplate() {
        RedisSerializer<String> stringSerializer = new StringRedisSerializer();
        RedisSerializer<Object> JSONString = new GenericToStringSerializer<>(Object.class);
        redisTemplate.seTKEySerializer(stringSerializer);
        redisTemplate.setValueSerializer(jsonString);
        redisTemplate.setHashKeySerializer(stringSerializer);
        redisTemplate.setHashValueSerializer(jsonString);
        return redisTemplate;
    }
}

package com.syrdbt.redis.study.constant;


public class Constant {
    public static final String NAMESPACE = "REDIS-STUDY";
}