yml configuration file:
qingnianren:
blog:
address: https://blog.csdn.net/m0_60252632
name: Responsibilities of young people
brief: Young people should fully understand their responsibilities
time: 2022-12-02
method one:
@value value binding
configuration
/**
* @Value 【值绑定】
* 在每个对应的属性上加@Value注解，注解中的内容填写yml中对应的属性，
* 使用@Value注解时，yml中的属性名和JavaBean中的属性名可以不对应，但是数据类型需要对应
*/
@Data
@Configuration
public class BlogProperties {
/**
* 博客地址
*/
@Value("${qingnianren.blog.address}")
private String address;
/**
* 博客名称
*/
@Value("${qingnianren.blog.name}")
private String name;
/**
* 博客简介
*/
@Value("${qingnianren.blog.brief}")
private String brief;
/**
* 博客时间
*/
@Value("${qingnianren.blog.time}")
private String time;
}test
@Slf4j
@RunWith(SpringRunner.class)
@SpringBootTest
public class BlogPropertiesTests {
/**
* 注入Bean
*/
@Resource
private BlogProperties blogProperties;
@Test
public void testValue() {
log.info("博客地址：{}", blogProperties.getAddress());
log.info("博客名称：{}", blogProperties.getName());
log.info("博客简介：{}", blogProperties.getBrief());
log.info("博客时间：{}", blogProperties.getTime());
}
}structure
Blog Address: Blog of Youth Responsibility_CSDN Blog-Field Blogger
Blog Name: Youth Responsibility
Blog Introduction: Youths Should Fully Realize Their Responsibilities
Blog time: 2022-12-02
Method 2:
@ConfigurationProperties loose binding
Configuration:
/**
* @ConfigurationProperties 【松散绑定】，只需要通过prefix属性指定属性参数名的前缀即可
* 松散绑定的bean属性名需要跟yml中的属性名对应，但是不需要精确匹配，
* yml可依据约定使用驼峰（如：qingNianRen）、"-"线（如：qing-nian-ren）、全大写加上"_"（如：QING_NIAN_REN）
*/
@Data
@Configuration
@ConfigurationProperties(prefix = "qingnianren.blog")
public class BlogProperties02 {
/**
* 博客地址
*/
private String address;
/**
* 博客名称
*/
private String name;
/**
* 博客简介
*/
private String brief;
/**
* 博客时间
*/
private String time;
}test:
@Slf4j
@RunWith(SpringRunner.class)
@SpringBootTest
public class BlogPropertiesTests {
/**
* 注入Bean
*/
@Resource
private BlogProperties02 blogProperties02;
@Test
public void testConfigurationProperties() {
log.info("博客地址：{}", blogProperties02.getAddress());
log.info("博客名称：{}", blogProperties02.getName());
log.info("博客简介：{}", blogProperties02.getBrief());
log.info("博客时间：{}", blogProperties02.getTime());
}
}result:
Blog Address: Blog of Youth Responsibility_CSDN Blog-Field Blogger
Blog Name: Youth Responsibility
Blog Introduction: Youths Should Fully Realize Their Responsibilities
Blog time: 2022-12-02
Method 3:
@Environment
test:
@Slf4j
@RunWith(SpringRunner.class)
@SpringBootTest
public class BlogPropertiesTests {
/**
* 注入Bean
*/
@Resource
private Environment environment;
@Test
public void testEnvironment() {
log.info("博客地址：{}", environment.getProperty("qingnianren.blog.address"));
log.info("博客名称：{}", environment.getProperty("qingnianren.blog.name"));
log.info("博客简介：{}", environment.getProperty("qingnianren.blog.brief"));
log.info("博客时间：{}", environment.getProperty("qingnianren.blog.time"));
}
}structure:
Blog Address: Blog of Youth Responsibility_CSDN Blog-Field Blogger
Blog Name: Youth Responsibility
Blog Introduction: Youths Should Fully Realize Their Responsibilities
Blog time: 2022-12-0