1.在<profiles>元素内增加如下内容
<profile>
<id>jdk17</id>
<activation>
<activeByDefault>true</activeByDefault>
<jdk>1.7<
/jdk>
</activation>
<properties>
<maven.compiler.source>1.7</maven.compiler.source>
<maven.compiler.target>1.7</maven.compiler.target>
<maven.compiler.compilerVersion>1.7</maven.compiler.compilerVersion>
</properties>
</profile>
<profile>
<id>jdk17</id>
<activation>
<activeByDefault>true</activeByDefault>
<jdk>1.7<
![maven 添加支持编译jdk1.7 maven 添加支持编译jdk1.7](https://image.shishitao.com:8440/XFVzZXJzXEFETUlOSX4xXEFwcERhdGFcTG9jYWxcVGVtcFw5OSl7V1VYMDkpMVlKJVJDVjFTRUBXQi5naWY%3D.gif?w=700&webp=1)
</activation>
<properties>
<maven.compiler.source>1.7</maven.compiler.source>
<maven.compiler.target>1.7</maven.compiler.target>
<maven.compiler.compilerVersion>1.7</maven.compiler.compilerVersion>
</properties>
</profile>
2.在<activeProfiles> 元素内增加<activeProfile>jdk17</activeProfile>