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/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/test/java/org/spring/springboot/property/HomeProperties1.java

@@ -52,4 +52,13 @@ public class HomeProperties1 {
     public void setDesc(String desc) {
         this.desc = desc;
     }
+
+    @Override
+    public String toString() {
+        return "HomeProperties1{" +
+                "province='" + province + '\'' +
+                ", city='" + city + '\'' +
+                ", desc='" + desc + '\'' +
+                '}';
+    }
 }

springboot-properties/src/test/java/org/spring/springboot/property/PropertiesTest.java

@@ -5,7 +5,6 @@ import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import org.spring.springboot.domain.User;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.test.context.junit4.SpringRunner;
@@ -22,39 +21,19 @@ public class PropertiesTest {
     private static final Logger LOGGER = LoggerFactory.getLogger(PropertiesTest.class);
 
     @Autowired
-    private HomeProperties1 homeProperties1;
+    private UserProperties userProperties;
 
     @Autowired
-    private HomeProperties2 homeProperties2;
-
-    @Autowired
-    private User user;
+    private HomeProperties homeProperties;
 
     @Test
-    public void getHomeProperties1() {
-        LOGGER.info(homeProperties1.getProvince());
-        Assert.assertEquals("浙江省", homeProperties1.getProvince());
-
-        LOGGER.info(homeProperties1.getCity());
-        Assert.assertEquals("温岭松门", homeProperties1.getCity());
-
-        LOGGER.info(homeProperties1.getDesc());
-    }
-
-    @Test
-    public void getHomeProperties2() {
-        LOGGER.info(homeProperties2.getProvince());
-        Assert.assertEquals("浙江省", homeProperties2.getProvince());
-
-        LOGGER.info(homeProperties2.getCity());
-        Assert.assertEquals("温岭松门", homeProperties2.getCity());
-
-        LOGGER.info(homeProperties2.getDesc());
+    public void getHomeProperties() {
+        LOGGER.info(homeProperties.toString());
     }
 
     @Test
     public void randomTestUser() {
-        LOGGER.info(user.toString());
+        LOGGER.info(userProperties.toString());
     }
 
 }