spring.profiles.active手动与自动分环境

- 日理万妓 2023-02-22 13:32 12阅读 0赞

一、手动方法：springboot项目中，我们经常把一些变量参数写在application.properties文件中，但是不同的环境参数可能不一样，spring.profiles.active可以区分环境，如下例：

1、pom：

<?xml version="1.0" encoding="UTF-8"?>
    <project xmlns="http://maven.apache.org/POM/4.0.0"
             xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
             xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
        <modelVersion>4.0.0</modelVersion>
    
        <groupId>com.profiles</groupId>
        <artifactId>profiles-demo</artifactId>
        <version>1.0-SNAPSHOT</version>
    
        <parent>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-parent</artifactId>
            <version>1.4.1.RELEASE</version>
        </parent>
    
        <dependencies>
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-web</artifactId>
            </dependency>
        </dependencies>
    </project>

2、启动类：

package com;
    
    import org.springframework.boot.SpringApplication;
    import org.springframework.boot.autoconfigure.SpringBootApplication;
    
    @SpringBootApplication
    public class ProfilesApplication {
    
        public static void main(String args[]){
            SpringApplication.run(ProfilesApplication.class,args);
        }
    }

3、配置文件：

（1）总配置：

server.port= 8888
    server.context-path=/profiles
    spring.profiles.active=prod
    
    zt.common = conmmon

（2）dev开发环境：

zt.profiles = this is dev

（3）test测试环境：

zt.profiles = this is test

（4）prod生产环境：

zt.profiles = this is prod

4、测试接口：

package com.controller;
    
    import org.springframework.beans.factory.annotation.Value;
    import org.springframework.web.bind.annotation.RequestMapping;
    import org.springframework.web.bind.annotation.RestController;
    
    @RestController
    public class TestController {
    
        @Value("${zt.common}")
        private String common;
    
        @Value("${zt.profiles}")
        private String profilesStr;
    
        @RequestMapping("/test")
        public String getStr(){
            return "公共："+common+";环境："+profilesStr;
        }
    }

如现在环境为prod，postman测试下接口：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dfdF95X3k_size_16_color_FFFFFF_t_70][]

mvn clean package打包测试一下：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dfdF95X3k_size_16_color_FFFFFF_t_70 1][]

解压打包后的jar包，

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dfdF95X3k_size_16_color_FFFFFF_t_70 2][]

从application.properties中可以看到环境为prod

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dfdF95X3k_size_16_color_FFFFFF_t_70 3][]

这时候我们打包带参数，如mvn clean package -Ptest、mvn clean package -Pdev、mvn clean package -Pprod，打包后的仍然是prod，就是说必须手动修改application.properties中的环境。

二、动态指定：

1、在pom中添加以下配置：

<profiles>
            
            <profile>
                <id>test</id>
                <activation>
                    <activeByDefault>true</activeByDefault>
                </activation>
                <properties>
                    <spring.profiles.active>test</spring.profiles.active>
                </properties>
            </profile>
            
            <profile>
                <id>dev</id>
                <activation>
                    <activeByDefault>false</activeByDefault>
                </activation>
                <properties>
                    <spring.profiles.active>dev</spring.profiles.active>
                </properties>
            </profile>
            
            <profile>
                <id>prod</id>
                <activation>
                    <activeByDefault>false</activeByDefault>
                </activation>
                <properties>
                    <spring.profiles.active>prod</spring.profiles.active>
                </properties>
            </profile>
        </profiles>

2、并把application.properties中的profiles指定改为

spring.profiles.active=@spring.profiles.active@

这时候打包使用mvn clean package -Ptest、mvn clean package -Pdev、mvn clean package -Pprod，打出来的就是指定环境的包了。pom文件中test一项默认是true，所以如果不指定环境直接使用mvn clean package打包就是test环境。

idea启动则可以点击右侧的maven，选择环境勾上，再启动服务即可：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dfdF95X3k_size_16_color_FFFFFF_t_70 4][]

如我勾上prod：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dfdF95X3k_size_16_color_FFFFFF_t_70 5][]

启动服务访问的为prod环境：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dfdF95X3k_size_16_color_FFFFFF_t_70 6][]

再去掉prod，勾上test：

![20200704095810984.png][]

重启服务访问的为test：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dfdF95X3k_size_16_color_FFFFFF_t_70 7][]

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[20200704095810984.png]: https://img-blog.csdnimg.cn/20200704095810984.png
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