spring boot 读取配置文件信息的两种方式

README.md

@@ -35,6 +35,7 @@ spring boot demo 一个用来学习 spring boot 的项目，已经集成 actuato
 
 	<modules>
 		<module>../spring-boot-demo-helloworld</module>
+      	<module>../spring-boot-demo-properties</module>
 		<module>../spring-boot-demo-actuator</module>
 		<module>../spring-boot-demo-logback</module>
 		<module>../spring-boot-demo-mybatis</module>
@@ -108,6 +109,7 @@ spring boot demo 一个用来学习 spring boot 的项目，已经集成 actuato
 | Module 名称                                | Module 介绍                                |
 | ---------------------------------------- | ---------------------------------------- |
 | [spring-boot-demo-helloworld](./spring-boot-demo-helloworld) | spring-boot 的一个 helloworld               |
+| [spring-boot-demo-properties](./spring-boot-demo-properties) | spring-boot 读取配置文件中的内容                   |
 | [spring-boot-demo-actuator](./spring-boot-demo-actuator) | spring-boot 集成 spring-boot-starter-actuator 用于监控 spring-boot 的启动和运行状态 |
 | [spring-boot-demo-logback](./spring-boot-demo-logback) | spring-boot 集成 logback 日志                |
 | [spring-boot-demo-mybatis](./spring-boot-demo-mybatis) | spring-boot 集成 [mybatis-spring-boot-starter](https://github.com/mybatis/spring-boot-starter)、[mybatis-spring-boot-starter](https://github.com/alibaba/druid/tree/master/druid-spring-boot-starter) |

spring-boot-demo-parent/pom.xml

@@ -13,6 +13,7 @@
 
 	<modules>
 		<module>../spring-boot-demo-helloworld</module>
+		<module>../spring-boot-demo-properties</module>
 		<module>../spring-boot-demo-actuator</module>
 		<module>../spring-boot-demo-logback</module>
 		<module>../spring-boot-demo-mybatis</module>

spring-boot-demo-properties/README.md

@@ -0,0 +1,48 @@
+# spring-boot-demo-properties
+
+依赖 [spring-boot-demo-helloworld](../spring-boot-demo-parent)
+
+### application.yml
+
+```yml
+server:
+  port: 8080
+  context-path: /demo
+application:
+  name: spring-boot-demo-properties
+  version: 0.0.1-SNAPSHOT
+  author:
+    name: xkcoding
+    website: xkcoding.com
+    qq: 237497819
+    phone-number: 18601224166
+```
+
+### 读取配置文件的两种方式
+
+#### ApplicationConfig.java（第一种方式）
+
+```java
+@Component
+@Data
+public class ApplicationConfig {
+	@Value("${application.name}")
+	private String name;
+	@Value("${application.version}")
+	private String version;
+}
+```
+
+#### AuthorConfig.java（第二种方式）
+
+```java
+@Data
+@ConfigurationProperties(prefix = "application.author")
+@Component
+public class AuthorConfig {
+	private String name;
+	private String website;
+	private String qq;
+	private String phoneNumber;
+}
+```

spring-boot-demo-properties/pom.xml

@@ -0,0 +1,24 @@
+<?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>
+
+	<artifactId>spring-boot-demo-properties</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<packaging>war</packaging>
+
+	<name>spring-boot-demo-properties</name>
+	<description>Demo project for Spring Boot</description>
+
+	<parent>
+		<groupId>com.xkcoding</groupId>
+		<artifactId>spring-boot-demo-parent</artifactId>
+		<version>0.0.1-SNAPSHOT</version>
+		<relativePath>../spring-boot-demo-parent/pom.xml</relativePath>
+	</parent>
+
+	<build>
+		<finalName>spring-boot-demo-properties</finalName>
+	</build>
+
+</project>

spring-boot-demo-properties/src/main/java/com/xkcoding/springbootdemoproperties/SpringBootDemoPropertiesApplication.java

@@ -0,0 +1,12 @@
+package com.xkcoding.springbootdemoproperties;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class SpringBootDemoPropertiesApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(SpringBootDemoPropertiesApplication.class, args);
+	}
+}

spring-boot-demo-properties/src/main/java/com/xkcoding/springbootdemoproperties/config/ApplicationConfig.java

@@ -0,0 +1,14 @@
+package com.xkcoding.springbootdemoproperties.config;
+
+import lombok.Data;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+
+@Component
+@Data
+public class ApplicationConfig {
+	@Value("${application.name}")
+	private String name;
+	@Value("${application.version}")
+	private String version;
+}

spring-boot-demo-properties/src/main/java/com/xkcoding/springbootdemoproperties/config/AuthorConfig.java

@@ -0,0 +1,15 @@
+package com.xkcoding.springbootdemoproperties.config;
+
+import lombok.Data;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.stereotype.Component;
+
+@Data
+@ConfigurationProperties(prefix = "application.author")
+@Component
+public class AuthorConfig {
+	private String name;
+	private String website;
+	private String qq;
+	private String phoneNumber;
+}

spring-boot-demo-properties/src/main/java/com/xkcoding/springbootdemoproperties/controller/ConfigController.java

@@ -0,0 +1,29 @@
+package com.xkcoding.springbootdemoproperties.controller;
+
+import com.google.common.collect.Maps;
+import com.xkcoding.springbootdemoproperties.config.ApplicationConfig;
+import com.xkcoding.springbootdemoproperties.config.AuthorConfig;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.HashMap;
+import java.util.Map;
+
+@RestController
+@RequestMapping("/config")
+public class ConfigController {
+	@Autowired
+	private ApplicationConfig applicationConfig;
+	@Autowired
+	private AuthorConfig authorConfig;
+
+	@GetMapping({"", "/", "/index"})
+	public Map index() {
+		HashMap<Object, Object> ret = Maps.newHashMap();
+		ret.put("applicationConfig", applicationConfig);
+		ret.put("authorConfig", authorConfig);
+		return ret;
+	}
+}

spring-boot-demo-properties/src/main/resources/application.yml

@@ -0,0 +1,11 @@
+server:
+  port: 8080
+  context-path: /demo
+application:
+  name: spring-boot-demo-properties
+  version: 0.0.1-SNAPSHOT
+  author:
+    name: xkcoding
+    website: xkcoding.com
+    qq: 237497819
+    phone-number: 18601224166

spring-boot-demo-properties/src/test/java/com/xkcoding/springbootdemoproperties/SpringBootDemoPropertiesApplicationTests.java

@@ -0,0 +1,16 @@
+package com.xkcoding.springbootdemoproperties;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class SpringBootDemoPropertiesApplicationTests {
+
+	@Test
+	public void contextLoads() {
+	}
+
+}