Spring Boot? 配置文件详解：自定义属性、随机数、多环境配置等

com.didispace.blog:
  name: 程序猿DD
  title: Spring Boot教程
  desc: ${com.didispace.blog.name}正在努力写《${com.didispace.blog.title}》
# 随机字符串
  value: ${random.value}
# 随机int
  number: ${random.int}
# 随机long
  bignumber: ${random.long}
# 10以内的随机数
  test1: ${random.int(10)}
# 10-20的随机数
  test2: ${random.int[10,20]}

package com.wls.integrateplugs.property;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;

/**
 * @author 程序猿DD
 * @version 1.0.0
 * @date 16/5/5 下午12:16.
 * @blog http://blog.didispace.com
 */
@Component
public class BlogProperties {

    @Value("${com.didispace.blog.name}")
    private String name;
    @Value("${com.didispace.blog.title}")
    private String title;
    @Value("${com.didispace.blog.desc}")
    private String desc;

    @Value("${com.didispace.blog.value}")
    private String value;
    @Value("${com.didispace.blog.number}")
    private Integer number;
    @Value("${com.didispace.blog.bignumber}")
    private Long bignumber;
    @Value("${com.didispace.blog.test1}")
    private Integer test1;
    @Value("${com.didispace.blog.test2}")
    private Integer test2;

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getTitle() {
        return title;
    }

    public void setTitle(String title) {
        this.title = title;
    }

    public String getDesc() {
        return desc;
    }

    public void setDesc(String desc) {
        this.desc = desc;
    }

    public String getValue() {
        return value;
    }

    public void setValue(String value) {
        this.value = value;
    }

    public Integer getNumber() {
        return number;
    }

    public void setNumber(Integer number) {
        this.number = number;
    }

    public Long getBignumber() {
        return bignumber;
    }

    public void setBignumber(Long bignumber) {
        this.bignumber = bignumber;
    }

    public Integer getTest1() {
        return test1;
    }

    public void setTest1(Integer test1) {
        this.test1 = test1;
    }

    public Integer getTest2() {
        return test2;
    }

    public void setTest2(Integer test2) {
        this.test2 = test2;
    }
}

package com.wls.test.integrateplugs.property;

import com.wls.integrateplugs.property.BlogProperties;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.junit.Assert;
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.SpringJUnit4ClassRunner;


/**
 *
 * @author 程序猿DD
 * @version 1.0.0
 * @blog http://blog.didispace.com
 *
 */
@RunWith(SpringJUnit4ClassRunner.class)
@SpringBootTest
public class BlogPropertiesTest {

    private static final Log log = LogFactory.getLog(BlogPropertiesTest.class);

    @Autowired
    private BlogProperties blogProperties;


    @Test
    public void test1() throws Exception {
        Assert.assertEquals("程序猿DD", blogProperties.getName());
        Assert.assertEquals("Spring Boot教程", blogProperties.getTitle());
        Assert.assertEquals("程序猿DD正在努力写《Spring Boot教程》", blogProperties.getDesc());

        log.info("随机数测试输出：");
        log.info("随机字符串 : " + blogProperties.getValue());
        log.info("随机int : " + blogProperties.getNumber());
        log.info("随机long : " + blogProperties.getBignumber());
        log.info("随机10以下 : " + blogProperties.getTest1());
        log.info("随机10-20 : " + blogProperties.getTest2());

    }

}

com.didispace.blog.name=程序猿DD
com.didispace.blog.title=Spring Boot教程
com.didispace.blog.desc=${com.didispace.blog.name}正在努力写《${com.didispace.blog.title}》

# 随机字符串
com.didispace.blog.value=${random.value}
# 随机int
com.didispace.blog.number=${random.int}
# 随机long
com.didispace.blog.bignumber=${random.long}
# 10以内的随机数
com.didispace.blog.test1=${random.int(10)}
# 10-20的随机数
com.didispace.blog.test2=${random.int[10,20]}