SpringBoot 中從application.yml中獲取自定義常量


今天嘗試了一下從application.yml獲取配置的常量,因為干接觸不是很熟所以記錄下來。

要注意的地方是 application.yml 中不能用駝峰式寫法(systemParams)要改成system-params

要導入依賴

pom.xml

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-configuration-processor</artifactId>
    <optional>true</optional>
</dependency>

application.yml

system-params:
  image-uri: http://xxxxxx
SystemParams
package com.shior.demoshior.config;

import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;

/**
 * @Author: zhugf
 * @Description:
 * @Date created in 2018/5/14
 */
@Component
@ConfigurationProperties(prefix = "system-params")
public class SystemParams {

    private String imageUri;

    public String getImageUri() {
        return imageUri;
    }

    public void setImageUri(String imageUri) {
        this.imageUri = imageUri;
    }
}

測試

package com.shior.demoshior.common;

import com.shior.demoshior.config.SystemParams;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;

/**
 * @Author: zhugf
 * @Description:
 * @Date created in 2018/5/14
 */
@RunWith(SpringRunner.class)
@SpringBootTest
public class TestConfig {
    @Autowired
    SystemParams systemParams;
    @Test
    public void testParam(){
        System.out.println(systemParams.getImageUri());
    }
}


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