Springboot读取配置文件及自定义配置文件的方法

<parent>  <groupId>org.springframework.boot</groupId>  <artifactId>spring-boot-starter-parent</artifactId>  <version>1.5.9.RELEASE</version>  </parent> <dependencies>  <dependency>    <groupId>org.springframework.boot</groupId>    <artifactId>spring-boot-starter-web</artifactId>  </dependency>  <!-- 单元测试使用 -->  <dependency>    <groupId>org.springframework.boot</groupId>    <artifactId>spring-boot-starter-test</artifactId>  </dependency>  <dependency>   <groupId>junit</groupId>   <artifactId>junit</artifactId>   <scope>test</scope>  </dependency> </dependencies>

package com.kelly.controller;import org.springframework.boot.SpringApplication;import org.springframework.boot.autoconfigure.EnableAutoConfiguration;import org.springframework.context.annotation.ComponentScan;import org.springframework.context.annotation.Configuration;@Configuration@EnableAutoConfiguration //自动加载配置信息@ComponentScan("com.kelly")//使包路径下带有注解的类可以使用@Autowired自动注入public class StartApplication {  public static void main(String[] args) {    SpringApplication.run(StartApplication.class, args);  }}package com.kelly.controller;import org.springframework.boot.SpringApplication;import org.springframework.boot.autoconfigure.EnableAutoConfiguration;import org.springframework.context.annotation.ComponentScan;import org.springframework.context.annotation.Configuration;@Configuration@EnableAutoConfiguration //自动加载配置信息@ComponentScan("com.kelly")//使包路径下带有注解的类可以使用@Autowired自动注入public class StartApplication {  public static void main(String[] args) {    SpringApplication.run(StartApplication.class, args);  }}package com.kelly.controller;import org.springframework.beans.factory.annotation.Value;import org.springframework.stereotype.Controller;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.ResponseBody;@Controllerpublic class FirstController {  @Value("${test.name}")  private String name;  @Value("${test.password}")  private String password;  @RequestMapping("/")  @ResponseBody  String home()  {    return "Hello Springboot!";  }  @RequestMapping("/hello")  @ResponseBody  String hello()  {    return "name: " + name + ", " + "password: " + password;  }}

package com.kelly.entity;import org.springframework.boot.context.properties.ConfigurationProperties;import org.springframework.context.annotation.PropertySource;import org.springframework.stereotype.Component;@Component@ConfigurationProperties(prefix="defineTest")@PropertySource("classpath:define.properties")public class DefineEntity {  private String pname;  private String password;  public String getPname() {    return pname;  }  public void setPname(String pname) {    this.pname = pname;  }  public String getPassword() {    return password;  }  public void setPassword(String password) {    this.password = password;  }}SecondController.javapackage com.kelly.controller;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.stereotype.Controller;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.ResponseBody;import com.kelly.entity.DefineEntity;@Controllerpublic class SecondController {  @Autowired  DefineEntity defineEntity;  @RequestMapping("/define")  @ResponseBody  String define()  {    return "test.name:" + defineEntity.getPname() + ", test.password:" + defineEntity.getPassword();  }}