SpringBoot配置文件值注入 墨蓝 2022-03-26 10:14 229阅读 0赞 ### springboot配置文件值注入有两种: ### ① @Value ② 将配置文件和Bean进行映射,使用 @ConfigurationProperties注入 ### 1、导入pom文件 ### <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-configuration-processor</artifactId> <optional>true</optional> </dependency> ### 2、配置文件application.yml ### person: name: lizhoujian age: 17 boss: true birth: 2018/12/12 maps: {k1 : v1, k2 : v2} lists: - lisi - lzj dog: name: 狗子 age: 12 ### 3、bean ### public class Person { private String name; private Integer age; private boolean boss; private Date birth; private Map<String, Object> maps; private List<Object> lists; private Dog dog; ... } public class Dog { private String name; private Integer age; ... } 在person上面加上如下注解: @ConfigurationProperties(prefix = "person") //ConfigurationProperties:默认读取全局配置文件 @Component //交给springboot管理 public class Person { ... 若是自定义了一个person.properties, 则需要再加上 @PropertySource(value = "classpath:people.properties")指定文件的具体位置。 //person.properties people.name=liuzhoujian people.age=14 @Value的使用 public class Person { @Value("${person.name}") private String name; }
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