nacos配置中心的配置修改之后,无需重启服务的实现过程

<!--nacos config-->
<dependency>
    <groupId>com.alibaba.cloud</groupId>
    <artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>
</dependency>

import com.supervise.common.core.web.controller.BaseController;
import com.supervise.common.core.web.domain.AjaxResult;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.cloud.context.config.annotation.RefreshScope;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
@RequestMapping("/test")
@RefreshScope //自动刷新bean配置
public class TestController extends BaseController {

    //测试
    @Value("${sys.test.name}")
    private String name;

    /**
     * 测试自动刷新配置
     */
    @GetMapping(value = "/onTrial")
    public AjaxResult onTrial() {

        return success(name);
    }

}

@Data
@RefreshScope //自动刷新bean配置
@Component
public class TestConfig {

    //测试
    @Value("${sys.test.name}")
    private String name;

}

import com.supervise.common.core.web.controller.BaseController;
import com.supervise.common.core.web.domain.AjaxResult;
import com.supervise.supervision.config.TestConfig;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.cloud.context.config.annotation.RefreshScope;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.annotation.Resource;

@RestController
@RequestMapping("/test")
//@RefreshScope //自动刷新bean配置
public class TestController extends BaseController {

    //测试
    @Value("${sys.test.name}")
    private String name;

    @Resource
    private TestConfig testConfig;

    /**
     * 测试自动刷新配置
     */
    @GetMapping(value = "/onTrial")
    public AjaxResult onTrial() {
        return success(testConfig.getName());
    }

}

package com.supervise.supervision.config;

import lombok.Data;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.cloud.context.config.annotation.RefreshScope;
import org.springframework.stereotype.Component;

@Data
@ConfigurationProperties(prefix = "sys.test") //只要前缀名和变量名两者拼接与配置配置文件一致，就能完成属性的自动注入
@Component
public class TestConfig {

    private String name;

}