Spring Cloud Alibaba教程 第二弹 Nacos配置管理 今天药忘吃喽~ 2022-12-13 14:24 107阅读 0赞 **写在前面的话** 更多Spring与微服务相关的教程请戳这里 [火力全开系列 Spring与微服务教程合集 持续更新][Spring_] # 1、入门示例 # ## 1.1、nacos服务端 ## 首先启动nacos,然后在nacos的配置列表页面,新增三个配置,分别是: * nacos-client.yaml * nacos-client-test.yaml * nacos-client-prod.yaml ![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3hsXzE4MDM_size_16_color_FFFFFF_t_70][] ![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3hsXzE4MDM_size_16_color_FFFFFF_t_70 1][] ![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3hsXzE4MDM_size_16_color_FFFFFF_t_70 2][] ## 1.2、nacos客户端 ## ### 1.2.1、pom.xml ### <properties> <spring-cloud-alibaba.version>2.0.2.RELEASE</spring-cloud-alibaba.version> </properties> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>com.alibaba.cloud</groupId> <artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId> </dependency> </dependencies> <dependencyManagement> <dependencies> <dependency> <groupId>com.alibaba.cloud</groupId> <artifactId>spring-cloud-alibaba-dependencies</artifactId> <version>${spring-cloud-alibaba.version}</version> <type>pom</type> <scope>import</scope> </dependency> </dependencies> </dependencyManagement> ### 1.2.2、bootstrap.yml ### 注意: * nacos客户端会根据spring.application.name去找对应Data Id的配置,比如下面的配置,就会识别到nacos-client.yaml配置文件 * 并且,nacos客户端还会根据spring.profiles.active去找激活的配置,比如下面的配置,就会识别到nacos-client-test.yaml配置文件 spring: profiles: active: test application: name: nacos-client cloud: nacos: config: file-extension: yaml server-addr: 127.0.0.1:8848 ### 1.2.3、controller ### @RestController public class ConfigController { @Value("${user.name}") private String username; @Value("${user.password}") private String password; @Value("${user.school}") private String school; @Value("${user.age}") private String age; @Value("${user.env}") private String env; @RequestMapping("/getConfig/{key}") public String getConfig(@PathVariable(value = "key") String key){ if("username".equals(key)){ return username; }else if("password".equals(key)){ return password; }else if("school".equals(key)){ return school; }else if("age".equals(key)){ return age; }else if("env".equals(key)){ return env; }else{ return "the value is empty by this key!"; } } } [Spring_]: https://blog.csdn.net/xl_1803/article/details/109462842 [watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3hsXzE4MDM_size_16_color_FFFFFF_t_70]: /images/20221123/423732ca4e3846849b908dc1a85ab2aa.png [watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3hsXzE4MDM_size_16_color_FFFFFF_t_70 1]: /images/20221123/624494bbc93f40b2a333e740880370ff.png [watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3hsXzE4MDM_size_16_color_FFFFFF_t_70 2]: /images/20221123/ab48f94c300348818bbd021faaf399ba.png
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