使用@ConfigurationProperties实现类型安全的配置过程

tomcat.ip=192.168.1.110
tomcat.port=8787
tomcat.projectName=screenshot
tomcat.userName=admin
tomcat.password=admin

tomcat.ip=192.168.1.110
tomcat.port=8787
tomcat.projectName=screenshot

package com.wisely.ch6_2_3.config;

import lombok.Getter;
import lombok.Setter;
import lombok.extern.log4j.Log4j;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;
@Component
@ConfigurationProperties(prefix = "tomcat") //1
@Log4j
public class TomcatSetting {
    @Getter
    @Setter
    private String ip;
    @Getter
    @Setter
    private int port;
    @Getter
    @Setter
    private String projectName;

    public String getUrl() {
        return "http://"+getIp()+"/"+getPort()+"/"+getProjectName();
    }

}

@ConfigurationProperties(prefix = "remote"})  

@ConfigurationProperties(prefix = "remote",locations={"classpath:remote.properties"}) 

remote.address= www.java265.com
remote.port= 9090

 
@Component
@PropertySource({"classpath:remote.properties"})
@ConfigurationProperties(prefix = "remote")
public class RemoteConfig {
    
    private String address;
    private int port;
    // getter/stetter方法
}

@RestController
public class ConfigurationController {
    @Resource
    private RemoteConfig remoteConfig;
    @GetMapping
    public void getInfo() {
        System.out.println("地址：" + remoteConfig.getAddress());
        System.out.println("端口：" + remoteConfig.getPort());
    }
}

//测试
@SpringBootTest
@AutoConfigureMockMvc
class ConfigurationControllerTest {
    @Autowired
    private MockMvc mockMvc;
    @Test
    void getInfo() throws Exception {
        mockMvc.perform(MockMvcRequestBuilders.get("/"));
    }
}

-----运行以上代码，将输出以下信息------
地址：www.java265.com
端口：9090

@Configuration
public class MyConfig {
    @Bean
    @ConfigurationProperties(prefix = "user")
    public User user() {
        return new User();
    }
}