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<>总共分三步
* 在nacos里面进行配置
* 在后端xml文件配置bootstrap.yml文件
* 在后端创建一个接口进行验证
<>在nacos里面进行配置
直接在配置列表点击加号新建即可
这个配置一般选用yml格式的配置文件
创建好以后，在配置列表可以查看创建好的配置文件
<>在后端xml文件配置bootstrap.yml文件
因为我们使用的是云端的配置文件，所以修改或者是直接新建一个bootstrap.yml文件即可
简单的学习使用的话，只需要一些默认配置即可，配置多了可能会取不到值
server: port: 8081 spring: application: name: nacos-config-a #
项目在启动的时候根据下面的配置去寻找配置文件 cloud: nacos: config: server-addr: localhost:8848 #
配置文件的地址 file-extension: yml # 文件类型
<>在后端创建一个接口进行验证
可以通过value注入的方式来查看有没有被应用到，如果没有被应用是取不到值的，项目启动也会因为取值，取不到失败
package com.powernode.controller; import org.springframework.beans.factory.
annotation.Value; import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController; @RestController
public class TestController { @Value("${hero.name}") private String name; @Value
("${hero.age}") private String age; @Value("${hero.sex}") private String sex;
@GetMapping("info") public String hero(){ return name + ":" + age + ":" + sex; }
}
