SpringBoot获取yml和properties配置文件的内容

<!-- 支持 @ConfigurationProperties 注解 --><!-- https://mvnrepository.com/artifact/org.springframework.boot/spring-boot-configuration-processor --><dependency>   <groupId>org.springframework.boot</groupId>   <artifactId>spring-boot-configuration-processor</artifactId>   <version>${spring-boot.version}</version></dependency>

#自定义的属性和值myYml: simpleProp: simplePropValue arrayProps: 1,2,3,4,5 listProp1:  - name: abc   value: abcValue  - name: efg   value: efgValue listProp2:  - config2Value1  - config2Vavlue2 mapProps:  key1: value1  key2: value2

package com.sun.configuration;import org.springframework.boot.context.properties.ConfigurationProperties;import org.springframework.stereotype.Component;import java.util.ArrayList;import java.util.HashMap;import java.util.List;import java.util.Map;/** * 加载yaml配置文件的方法 * Created by sun on 2017-1-15. * spring-boot更新到1.5.2版本后locations属性无法使用 * @PropertySource注解只可以加载proprties文件,无法加载yaml文件 * 故现在把数据放到application.yml文件中,spring-boot启动时会加载 */@Component//@ConfigurationProperties(locations = {"classpath:config/myProps.yml"},prefix = "myProps")@ConfigurationProperties(prefix = "myYml")public class YmlConfig {  String simpleProp;  private String[] arrayProps;  private List<Map<String, String>> listProp1 = new ArrayList<>(); //接收prop1里面的属性值  private List<String> listProp2 = new ArrayList<>(); //接收prop2里面的属性值  private Map<String, String> mapProps = new HashMap<>(); //接收prop1里面的属性值  public String getSimpleProp() {    return simpleProp;  }  //String类型的一定需要setter来接收属性值；maps, collections, 和 arrays 不需要  public void setSimpleProp(String simpleProp) {    this.simpleProp = simpleProp;  }  public String[] getArrayProps() {    return arrayProps;  }  public void setArrayProps(String[] arrayProps) {    this.arrayProps = arrayProps;  }  public List<Map<String, String>> getListProp1() {    return listProp1;  }  public void setListProp1(List<Map<String, String>> listProp1) {    this.listProp1 = listProp1;  }  public List<String> getListProp2() {    return listProp2;  }  public void setListProp2(List<String> listProp2) {    this.listProp2 = listProp2;  }  public Map<String, String> getMapProps() {    return mapProps;  }  public void setMapProps(Map<String, String> mapProps) {    this.mapProps = mapProps;  }}

@Autowiredprivate YmlConfig config;

ObjectMapper objectMapper = new ObjectMapper();//测试加载yml文件System.out.println("simpleProp: " + config.getSimpleProp());System.out.println("arrayProps: " + objectMapper.writeValueAsString(config.getArrayProps()));System.out.println("listProp1: " + objectMapper.writeValueAsString(config.getListProp1()));System.out.println("listProp2: " + objectMapper.writeValueAsString(config.getListProp2()));System.out.println("mapProps: " + objectMapper.writeValueAsString(config.getMapProps()));

package com.sun.configuration;import org.springframework.context.annotation.Bean;import org.springframework.context.annotation.Configuration;import org.springframework.context.annotation.PropertySource;import org.springframework.context.support.PropertySourcesPlaceholderConfigurer;/** * 加载properties配置文件,在方法中可以获取 * abc.properties文件不存在,验证ignoreResourceNotFound属性 * 加上encoding = "utf-8"属性防止中文乱码,不能为大写的"UTF-8" * Created by sun on 2017-3-30. */@Configuration@PropertySource(value = {"classpath:/config/propConfigs.properties","classpath:/config/abc.properties"},    ignoreResourceNotFound = true,encoding = "utf-8")public class PropConfig {  // PropertySourcesPlaceholderConfigurer这个bean，  // 这个bean主要用于解决@value中使用的${…}占位符。  // 假如你不使用${…}占位符的话，可以不使用这个bean。  @Bean  public static PropertySourcesPlaceholderConfigurer propertySourcesPlaceholderConfigurer() {    return new PropertySourcesPlaceholderConfigurer();  }}//获取properties文件参数值有两种方法，一种获得Environment 的对象，第二种就是@Value注解@Autowired  private Environment env;  @Value("${age}")  String name;  @RequestMapping("/")  @ResponseBody  String home(HttpServletRequest req) throws JsonProcessingException, UnsupportedEncodingException {    logger.info("测试通过！！！");    ObjectMapper objectMapper = new ObjectMapper();    //测试加载yml文件    System.out.println("simpleProp: " + config.getSimpleProp());    System.out.println("arrayProps: " + objectMapper.writeValueAsString(config.getArrayProps()));    System.out.println("listProp1: " + objectMapper.writeValueAsString(config.getListProp1()));    System.out.println("listProp2: " + objectMapper.writeValueAsString(config.getListProp2()));    System.out.println("mapProps: " + objectMapper.writeValueAsString(config.getMapProps()));    //测试加载properties文件    System.out.println(env.getProperty("name"));//孙凯    System.out.println(env.getProperty("abc"));//null    System.out.println(name);//26    return "Hello World!";  }