Spring Boot 配置文件

springboot-properties/src/main/java/org/spring/springboot/Application.java

@@ -1,20 +1,32 @@
 package org.spring.springboot;
 
+import org.spring.springboot.property.HomeProperties;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.CommandLineRunner;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
 /**
  * Spring Boot 应用启动类
- *
+ * <p>
  * Created by bysocket on 16/4/26.
  */
 // Spring Boot 应用的标识
 @SpringBootApplication
-public class Application {
+public class Application implements CommandLineRunner {
+
+    @Autowired
+    private HomeProperties homeProperties;
 
     public static void main(String[] args) {
         // 程序启动入口
         // 启动嵌入式的 Tomcat 并初始化 Spring 环境及其各 Spring 组件
-        SpringApplication.run(Application.class,args);
+        SpringApplication.run(Application.class, args);
+    }
+
+    @Override
+    public void run(String... args) throws Exception {
+        System.out.println("\n" + homeProperties.toString());
+        System.out.println();
     }
 }

springboot-properties/src/main/java/org/spring/springboot/property/HomeProperties.java

@@ -11,7 +11,7 @@ import org.springframework.stereotype.Component;
  */
 @Component
 @ConfigurationProperties(prefix = "home")
-public class HomeProperties2 {
+public class HomeProperties {
 
     /**
      * 省份
@@ -51,4 +51,13 @@ public class HomeProperties2 {
     public void setDesc(String desc) {
         this.desc = desc;
     }
+
+    @Override
+    public String toString() {
+        return "HomeProperties{" +
+                "province='" + province + '\'' +
+                ", city='" + city + '\'' +
+                ", desc='" + desc + '\'' +
+                '}';
+    }
 }

springboot-properties/src/main/java/org/spring/springboot/property/HomeProperties1.java

@@ -1,55 +0,0 @@
-package org.spring.springboot.property;
-
-import org.springframework.beans.factory.annotation.Value;
-import org.springframework.stereotype.Component;
-
-/**
- * 家乡属性
- *
- * Created by bysocket on 17/04/2017.
- */
-@Component
-public class HomeProperties1 {
-
-    /**
-     * 省份
-     */
-    @Value("${home.province}")
-    private String province;
-
-    /**
-     * 城市
-     */
-    @Value("${home.city}")
-    private String city;
-
-    /**
-     * 描述
-     */
-    @Value("${home.desc}")
-    private String desc;
-
-    public String getProvince() {
-        return province;
-    }
-
-    public void setProvince(String province) {
-        this.province = province;
-    }
-
-    public String getCity() {
-        return city;
-    }
-
-    public void setCity(String city) {
-        this.city = city;
-    }
-
-    public String getDesc() {
-        return desc;
-    }
-
-    public void setDesc(String desc) {
-        this.desc = desc;
-    }
-}

springboot-properties/src/main/java/org/spring/springboot/property/UserProperties.java

@@ -1,17 +1,14 @@
-package org.spring.springboot.domain;
+package org.spring.springboot.property;
 
 import org.springframework.boot.context.properties.ConfigurationProperties;
 import org.springframework.stereotype.Component;
 
 /**
- * 用户
- *
- * Created by bysocket on 18/04/2017.
+ * Created by bysocket on 20/04/2017.
  */
 @Component
 @ConfigurationProperties(prefix = "user")
-public class User {
-
+public class UserProperties {
     /**
      * 用户 ID
      */
@@ -64,12 +61,13 @@ public class User {
         this.uuid = uuid;
     }
 
+
     @Override
     public String toString() {
-        return "User{" +
+        return "UserProperties{" +
                 "id=" + id +
                 ", age=" + age +
-                ", desc=" + desc +
+                ", desc='" + desc + '\'' +
                 ", uuid='" + uuid + '\'' +
                 '}';
     }

springboot-properties/src/main/resources/application-dev.properties

@@ -0,0 +1,4 @@
+## 家乡属性 Dev
+home.province=ZheJiang
+home.city=WenLing
+home.desc=dev: I'm living in ${home.province} ${home.city}.

springboot-properties/src/main/resources/application-prod.properties

@@ -0,0 +1,4 @@
+## 家乡属性 Prod
+home.province=ZheJiang
+home.city=WenLing
+home.desc=prod: I'm living in ${home.province} ${home.city}.

springboot-properties/src/main/resources/application.properties

@@ -0,0 +1,3 @@
+# Spring Profiles Active
+spring.main.banner-mode=off
+spring.profiles.active=dev

springboot-properties/src/main/resources/application.yml

@@ -1,12 +0,0 @@
-## 家乡属性
-home:
-  province: 浙江省
-  city: 温岭松门
-  desc: 我家住在${home.province}的${home.city}
-
-## 随机属性
-user:
-  id: ${random.long}
-  age: ${random.int[1,200]}
-  desc: 泥瓦匠叫做${random.value}
-  uuid: ${random.uuid}