第三节：SpringBoot使用properties配置文件实现多环境配置

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application.properties配置文件如下

 #配置属性占位符xiaowen.name="xiaowen"xiaowen.desc=${xiaowen.name} is successfully#配置tomcat端口server.port=8088#激活pplication-dev.properties配置文件spring.profiles.active=dev

application-dev.properties配置文件如下

xiaowen.age=18

WebController类

package com.xiaowen.controller;import java.util.HashMap;import java.util.Map;import org.springframework.beans.factory.annotation.Value;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RestController;@RestControllerpublic class WebController {@Value("${xiaowen.name}")private String name;@Value("${xiaowen.desc}")private String desc;@Value("${xiaowen.age}")private int age;@RequestMapping("/index")public Map<String, Object> Index(){Map<String, Object> map=new HashMap<String, Object>();map.put("name", name);map.put("desc", desc);map.put("age", age);return map; }}

浏览器访问http://localhost:8088/index

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