Posted 2021-03-29 绋嬪簭鍛樻偿鐡﹀尃

鑰佸娴欐睙涓滄捣杈癸紝闈犳捣鍚冩捣锛岀洰鍓嶇粡钀ヤ竴涓皬鍝佺墝锛岃鏅€氫汉鍚冨埌鏈€鏂伴矞鐨勬捣椴溿€傛湁鍏磋叮鍙互鐐瑰嚮浜嗚В锛氥€娿€嬸煇燄煇燄煇?/p>

鏈枃鎺㈣  浣滀负閰嶇疆涓績锛屽浣曞疄鐜颁笉鍚岀幆澧冿紙寮€鍙戙€佹祴璇曘€佺伆搴︺€佹寮忥級鐨勯厤缃鐞嗛棶棰樸€?/span>

鐢辨锛屽疄鐜板鐜閰嶇疆鐨勬柟妗堜篃鏈変笁绉嶏細

1銆佺敤鍛藉悕绌洪棿锛坣amespace锛夋潵鍖哄垎涓嶅悓鐨勭幆澧冿紝涓€涓懡鍚嶇┖闂村搴斾竴涓幆澧冿紱

2銆佺敤閰嶇疆缁勶紙group锛夋潵鍖哄垎涓嶅悓鐨勭幆澧冿紝鍛藉悕绌洪棿鐢ㄩ粯璁ょ殑public鍗冲彲锛屼竴涓粍瀵瑰簲涓€绉嶇幆澧冿紱

3銆佺敤閰嶇疆闆咺D锛圖ata ID锛夊悕绉版潵鍖哄垎涓嶅悓鐨勭幆澧冿紝鍛藉悕绌洪棿鍜岀粍鐢ㄩ粯璁ょ殑鍗冲彲锛岄€氳繃鏂囦欢鍛藉悕鏉ュ尯鍒嗭紱

鎺ヤ笅鏉ワ紝閫愪釜鏉ョ湅

http://{host}:{port}/nacos

http://{host}:{port}/nacos/index.html

榛樿鐢ㄦ埛鍚嶅瘑鐮侀兘鏄痭acos

涓轰簡鏂逛究婕旂ず锛岃繖閲屽缓浜嗕竴涓悕涓篹xample鐨凷pring Boot椤圭洰锛?/p>

pom.xml

 1 <?xml version="1.0" encoding="UTF-8"?>
 2 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 3          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 4     <modelVersion>4.0.0</modelVersion>
 5     <parent>
 6         <groupId>org.springframework.boot</groupId>
 7         <artifactId>spring-boot-starter-parent</artifactId>
 8         <version>2.3.6.RELEASE</version>
 9         <relativePath/> <!-- lookup parent from repository -->
10     </parent>
11     <groupId>com.example</groupId>
12     <artifactId>example</artifactId>
13     <version>0.0.1-SNAPSHOT</version>
14     <name>example</name>
15 
16     <properties>
17         <java.version>1.8</java.version>
18         <spring-cloud-alibaba.version>2.2.3.RELEASE</spring-cloud-alibaba.version>
19     </properties>
20 
21     <dependencies>
22         <dependency>
23             <groupId>org.springframework.boot</groupId>
24             <artifactId>spring-boot-starter-web</artifactId>
25         </dependency>
26         <dependency>
27             <groupId>com.alibaba.cloud</groupId>
28             <artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>
29         </dependency>
30     </dependencies>
31 
32     <dependencyManagement>
33         <dependencies>
34             <dependency>
35                 <groupId>com.alibaba.cloud</groupId>
36                 <artifactId>spring-cloud-alibaba-dependencies</artifactId>
37                 <version>${spring-cloud-alibaba.version}</version>
38                 <type>pom</type>
39                 <scope>import</scope>
40             </dependency>
41         </dependencies>
42     </dependencyManagement>
43 
44     <build>
45         <plugins>
46             <plugin>
47                 <groupId>org.springframework.boot</groupId>
48                 <artifactId>spring-boot-maven-plugin</artifactId>
49             </plugin>
50         </plugins>
51     </build>
52 
53 </project>

bootstrap.yml

spring:
  application:
    name: example
  cloud:
    nacos:
      config:
        server-addr: 192.168.100.10:8848
        file-extension: yaml

Spring Boot 鍩虹涓嶄粙缁嶄簡锛屼笉浼氱殑鎺ㄨ崘鐪嬩笅杩欎釜鏁欑▼锛?/p>

https://github.com/javastacks/spring-boot-best-practice

HelloController.java

package com.example.controller;

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;

/**
 * @author ChengJianSheng
 * @data 2020/11/19
 */
@RestController
@RequestMapping("/hello")
@RefreshScope
public class HelloController {

    @Value("${greet.hello}")
    private String greet;

    @GetMapping("/sayHi")
    public String sayHi() {
        return greet;
    }
}

1銆佸埄鐢?Data ID 鍛藉悕 鏉ュ尯鍒嗙幆澧?/h2>

鍒╃敤Data ID鍛藉悕鏉ュ尯鍒嗙幆澧冿紝鍛藉悕绌洪棿鍜岀粍榛樿鍗冲彲銆?/p>

鍦?Nacos Spring Cloud 涓紝dataId 鐨勫畬鏁存牸寮忓涓嬶細

 ${prefix}-${spring.profiles.active}.${file-extension}

• prefix 榛樿涓?spring.application.name 鐨勫€硷紝涔熷彲浠ラ€氳繃閰嶇疆椤?spring.cloud.nacos.config.prefix鏉ラ厤缃?
• spring.profiles.active 鍗充负褰撳墠鐜瀵瑰簲鐨?profile锛岃鎯呭彲浠ュ弬鑰?Spring Boot鏂囨。銆傛敞鎰忥細褰?spring.profiles.active 涓虹┖鏃讹紝瀵瑰簲鐨勮繛鎺ョ - 涔熷皢涓嶅瓨鍦紝dataId 鐨勬嫾鎺ユ牸寮忓彉鎴?nbsp; {file-extension}
• file-exetension 涓洪厤缃唴瀹圭殑鏁版嵁鏍煎紡锛屽彲浠ラ€氳繃閰嶇疆椤?spring.cloud.nacos.config.file-extension 鏉ラ厤缃€傜洰鍓嶅彧鏀寔 properties 鍜?yaml 绫诲瀷銆?

鐢ㄥ懡浠よ鍚姩涔熸槸涓€鏍风殑锛?/p>

渚嬪锛?/p>

java -Dspring.profiles.active=test -jar example-0.0.1-SNAPSHOT.jar

2銆佸埄鐢?Group 鏉ュ尯鍒嗙幆澧?/h2>

椤圭洰涓嶅彉锛屾垜浠妸spring.application.name鏀规垚example2

鍛藉悕绌洪棿鐢ㄩ粯璁ょ殑public

java -Dspring.cloud.nacos.config.group=DEV_GROUP -jar example-0.0.1-SNAPSHOT.jar


java -Dspring.cloud.nacos.config.group=TEST_GROUP -jar example-0.0.1-SNAPSHOT.jar

java -Dspring.profiles.active=test -Dspring.cloud.nacos.config.group=TEST_GROUP -jar example-0.0.1-SNAPSHOT.jar


濡傛灉鏄繖鏍风殑璇濓紝杩欎釜鏃跺€欙紝Data ID 鍛藉悕灏卞簲璇ユ槸 example2-test.yaml

3銆佸埄鐢?Namespace 鍖哄垎鐜

鍒涘缓鍛藉悕绌洪棿鐨勬椂鍊欙紝濡傛灉涓嶆寚瀹欼D锛屽垯鑷姩鐢熸垚鐨刬d灏辨槸杩欐牱鐨剈uid瀛楃涓诧紝鎴戜滑杩樻槸鑷繁鎸囧畾涓€涓湁鎰忎箟鐨処D鍚?/p>

java -Dspring.cloud.nacos.config.namespace=ns_dev -jar example-0.0.1-SNAPSHOT.jar


java -Dspring.profiles.active=dev -Dspring.cloud.nacos.config.namespace=ns_dev -jar example-0.0.1-SNAPSHOT.jar

java -Dspring.cloud.nacos.config.namespace=ns_test -jar example-0.0.1-SNAPSHOT.jar

java -Dspring.profiles.active=test 
     -Dspring.cloud.nacos.config.namespace=ns_test 
     -Dspring.cloud.nacos.config.group=TEST_GROUP 
     -jar example-0.0.1-SNAPSHOT.jar

4銆佸皬缁?/h2>

绗竴绉嶏紝鐢?Data ID 鍖哄垎鐜锛岃櫧鐒剁畝鍗曪紝浣嗘槸姣忎釜椤圭洰瑕佸垱寤?涓厤缃枃浠讹紝闅忕潃椤圭洰鐨勫澶氾紝閮藉湪涓€涓懡鍚嶇┖闂翠笅鍥炴樉寰楀緢娣蜂贡锛屾煡鎵捐捣鏉ヤ篃涓嶆槸寰堟柟渚匡紝鑰屼笖涓嶅埄浜庡仛鏉冮檺鎺у埗

绗簩绉嶏紝鐢℅roup鍖哄垎锛岄棶棰樹篃鏄竴鏍风殑

缁间笂锛屾渶濂界殑鏄敤Namespace鍖哄垎鐜锛屾竻鏅版槑浜嗭紝鑰屼笖鏈夊埄浜庡仛鏉冮檺鎺у埗

https://nacos.io/zh-cn/docs/concepts.html

鑰佸娴欐睙涓滄捣杈癸紝闈犳捣鍚冩捣锛岀洰鍓嶇粡钀ヤ竴涓皬鍝佺墝锛岃鏅€氫汉鍚冨埌鏈€鏂伴矞鐨勬捣椴溿€傛湁鍏磋叮鍙互鐐瑰嚮浜嗚В锛氥€娿€嬸煇燄煇燄煇?/p>

寰€鏈熸帹鑽?/p>

涓嬫柟浜岀淮鐮佸叧娉ㄦ垜

鎶€鏈崏鏍?/span>锛?span>鍧氭寔鍒嗕韩 缂栫▼锛岀畻娉曪紝鏋舵瀯

鏈嬪弸鍔╁姏涓嬶紒鐐逛釜 璧?/strong> 鍜?/strong> 鍦ㄧ湅 锛?/strong>