springboot项目中没有识别到yml文件解决办法

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1、这个意思就是没有配置数据库的数据源路径。所以需要配置数据源，比如mysql的驱动和路径。检查是否在properties或者yml文件中是否已经配置好。

2、若未配置好，则配置；

spring:
  datasource:
    driverClassName: com.mysql.cj.jdbc.Driver
    url: jdbc:mysql://47.107.54.146:3306/gulimall_pms?useUnicode=true&characterEncoding=UTF-8&useSSL=false&serverTimezone=Asia/Shanghai
    username: root
    password: root
mybatis-plus:
  mapperLocations: classpath:mapper/**/*.xml
  global-config:
    db-config:
      id-type: auto

3、若已配置好，则没加载进去，1）添加springboot和yml插件；2）在pom里面配置build加载文件到项目中

<!--    在build中配置resources，来防止我们资源导出失败的问题-->
    <build>
        <resources>
            <resource>
                <directory>src/main/resources</directory>
                <includes>
                    <include>**/*.properties</include>
                    <include>**/*.xml</include>
                    <include>**/*.yml</include>
                </includes>
                <filtering>true</filtering>
            </resource>
            <resource>
                <directory>src/main/java</directory>
                <includes>
                    <include>**/*.properties</include>
                    <include>**/*.xml</include>
                    <include>**/*.yml</include>
                </includes>
                <filtering>true</filtering>
            </resource>
        </resources>
    </build>

解决成功：