自定义Spring Boot Starter

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# 自定义Spring Boot Starter #

1.  pom中添加依赖

<parent>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-parent</artifactId>
            <version>2.0.0.RELEASE</version>
            <relativePath /> 
        </parent>
    
        <dependencies>
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter</artifactId>
            </dependency>
            <dependency>
                <groupId>redis.clients</groupId>
                <artifactId>jedis</artifactId>
            </dependency>
        </dependencies>

1.  编写配置类：

@Configuration
    @EnableConfigurationProperties(JedisProperties.class)
    @ConditionalOnClass(Jedis.class)
    public class JedisAutoConfiguration { 
    
        @Bean
        @ConditionalOnMissingBean
        public Jedis jedis(JedisProperties jedisProperties) {
            Jedis jedis = new Jedis(jedisProperties.getHost(), jedisProperties.getPort());
            jedis.auth(jedisProperties.getPassword());
            System.out.println("jedis-----------init");
            return jedis;
        }
    }

1.  编写属性文件配置类：

@ConfigurationProperties(prefix = "redis")
    public class JedisProperties { 
        private String host;
        private Integer port;
        private String password;
    
        public String getPassword() {
            return password;
        }
    
        public void setPassword(String password) {
            this.password = password;
        }
    
        public String getHost() {
            return host;
        }
    
        public void setHost(String host) {
            this.host = host;
        }
    
        public Integer getPort() {
            return port;
        }
    
        public void setPort(Integer port) {
            this.port = port;
        }
    
    }

1.  META-INF/spring.properties 中添加配置，或者使用@Impoert注解导入

org.springframework.boot.autoconfigure.EnableAutoConfiguration=com.aimilin.JedisAutoConfiguration

1.  使用：pom导入依赖:

<dependency>
        <groupId>com.aimilin</groupId>
        <artifactId>spring-boot-starter-redis</artifactId>
        <version>1.0.0</version>
    </dependency>

@Component
    public class RedisTest { 
        @Autowired
        private Jedis jedis;
    
        public void run() {
            jedis.set("hello", "text");
            System.out.println("redis ---- text");
        }
    }