SpringBoot3.x整合Nacos和Redis

1、安装java17

此步骤省略
安装完成后，查看

2、通过 idea 初始化向导创建springboot项目

然后点击Create即可创建成功

3、配置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 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>3.1.1</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>

    <groupId>com.xgxz.boot</groupId>
    <artifactId>spring-boot-3-nacos</artifactId>
    <version>1.0</version>

    <name>spring-boot-3-nacos</name>
    <description>spring-boot-3-nacos</description>

    <properties>
        <maven.compiler.source>17</maven.compiler.source>
        <maven.compiler.target>17</maven.compiler.target>
        <java.version>17</java.version>
        <spring.cloud.version>2022.0.3</spring.cloud.version>
        <spring.cloud.alibaba.version>2022.0.0.0-RC2</spring.cloud.alibaba.version>
    </properties>

    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-dependencies</artifactId>
                <version>${spring.cloud.version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
            <dependency>
                <groupId>com.alibaba.cloud</groupId>
                <artifactId>spring-cloud-alibaba-dependencies</artifactId>
                <version>${spring.cloud.alibaba.version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencyManagement>

    <dependencies>

        <!-- 使用bootstrap.yml必须依赖此类 -->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-bootstrap</artifactId>
        </dependency>

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

        <!--服务发现-->
        <dependency>
            <groupId>com.alibaba.cloud</groupId>
            <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
        </dependency>


        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-redis</artifactId>
        </dependency>
  
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
        </dependency>
        
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>com.fasterxml.jackson.datatype</groupId>
            <artifactId>jackson-datatype-jsr310</artifactId>
            <version>2.13.1</version>
        </dependency>

    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <configuration>
                    <excludes>
                        <exclude>
                            <groupId>org.projectlombok</groupId>
                            <artifactId>lombok</artifactId>
                        </exclude>
                    </excludes>
                </configuration>
            </plugin>
        </plugins>
    </build>

</project>
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109

关于选择nacos版本，参考

地址：https://github.com/alibaba/spring-cloud-alibaba/blob/2022.x/README-zh.md

4、配置yml文件

server:
  port: 8868

spring:
  application:
    name: spring-boot-nacox

  data:
    redis:
      host: 192.168.56.10
      port: 6379
      database: 2
      #    password: 123456 #默认为空
      timeout: 3000ms
      lettuce:
        pool:
          max-active: 20  # 最大连接数，负值表示没有限制，默认8
          max-wait: -1    # 最大阻塞等待时间，负值表示没限制，默认-1
          max-idle: 8     # 最大空闲连接，默认8
          min-idle: 0     # 最小空闲连接，默认0

  cloud:
    nacos:
      discovery:
        server-addr: 192.168.56.10:8848
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25

5、配置主启动类

/**
 * ClassName: SpringBootQuartzApplication
 * Package: com.xgxz.boot
 * Description:
 *
 * @Author: 习惯向左
 * @Create: 2023/7/6 - 16:59
 * @Version: v1.0
 */
@Slf4j
@EnableDiscoveryClient
@SpringBootApplication
public class SpringBootQuartzApplication {

    public static void main(String[] args) {

        SpringApplication.run(SpringBootQuartzApplication.class, args);

        log.info("--------------启动完成----------------");
    }
}
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21

6、配置RedisConfig

/**
 * ClassName: RedisConfig
 * Package: com.xgxz.boot.config
 * Description:
 *
 * @Author: 习惯向左
 * @Create: 2023/7/6 - 17:10
 * @Version: v1.0
 */
@Configuration
public class RedisConfig {

    @Bean
    public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory factory) {

        RedisTemplate<String, Object> redisTemplate = new RedisTemplate<>();

        redisTemplate.setConnectionFactory(factory);

        redisTemplate.setKeySerializer(new StringRedisSerializer());

        redisTemplate.setValueSerializer(new GenericJackson2JsonRedisSerializer());

        return redisTemplate;
    }

}
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27

7、另外本人习惯在使用日期类时用 LocalDateTime，还需要额外配置一下

/**
 * ClassName: User
 * Package: com.xgxz.boot.entity
 * Description:
 *
 * @Author: 习惯向左
 * @Create: 2023/7/6 - 17:40
 * @Version: v1.0
 */
@Data
public class User {

    private Long id;

    private String name;

    private int age;

    @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")       //此注解用来接收字符串类型的参数封装成LocalDateTime类型
    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss", timezone = "GMT+8", shape = JsonFormat.Shape.STRING) //此注解将date类型数据转成字符串响应出去
    @JsonDeserialize(using = LocalDateTimeDeserializer.class)		// 反序列化
    @JsonSerialize(using = LocalDateTimeSerializer.class)		    // 序列化
    private LocalDateTime sendTime;
}
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24

8、nacos需要额外多暴露两个端口号，8848就不多说了，还需要暴露9848和9849，下面使用docker来安装nacos

8.1、先查询一下nacos镜像

docker search nacos
1

8.2、拉取镜像

docker pull nacos/nacos-server
1

8.3、创建文件目录，为将容器内的文件挂载到外面来

mkdir -p /mydata/nacos/init.d /mydata/nacos/logs
1

8.4、执行启动命令

docker run -d -p 8848:8848 -p 9848:9848 -p 9849:9849 \
-e MODE=standalone \
-e PREFER_HOST_MODE=hostname \
-e JVM_XMS=256m -e JVM_XMX=256m \
-v /mydata/nacos/init.d/custom.properties:/home/nacos/init.d/custom.properties \
-v /mydata/nacos/logs:/home/nacos/logs \
--restart always  \
--name nacos \
nacos/nacos-server
1
2
3
4
5
6
7
8
9

这里采用单机试用模式安装，也可参考Nacos官方文档 https://nacos.io/zh-cn/docs/deployment.html来安装

8.5、查看是否运行成功

docker ps
1

访问浏览器 ip:8848/nacos

默认用户名、密码都为 nacos, 输入即可登录成功

一切就绪，下面我们启动服务来进行测试
服务启动正常

也成功注册到nacos上

存入的数据是没有问题

查出来的数据也是我们想要的

至此，就成功了，是不是还挺容易的
习惯向左，感觉至上