<dependency>
<groupId>com.fasterxml.jackson.datatype</groupId>
<artifactId>jackson-datatype-properties</artifactId>
<version>2.12.5</version>
</dependency>
properties
db.url=jdbc:mysql://localhost:3306/mydb
db.username=root
db.password=123456
public class DatabaseConfig {
private String url;
private String username;
private String password;
}
public class Main {
public static void main(String[] args) throws IOException {
ObjectMapper objectMapper = new ObjectMapper(new PropertiesFactory());
DatabaseConfig config = objectMapper.readValue(new File("config.properties"), DatabaseConfig.class);
System.out.println("URL: " + config.getUrl());
System.out.println("Username: " + config.getUsername());
System.out.println("Password: " + config.getPassword());
}
}
public class Main {
public static void main(String[] args) throws IOException {
ObjectMapper objectMapper = new ObjectMapper(new PropertiesFactory());
DatabaseConfig config = new DatabaseConfig();
config.setUrl("jdbc:mysql://localhost:3306/mydb");
config.setUsername("admin");
config.setPassword("password");
objectMapper.writeValue(new File("config.properties"), config);
}
}
PropertiesFactory factory = new PropertiesFactory(Charset.forName("GBK"));
ObjectMapper objectMapper = new ObjectMapper(factory);
