在项目中的parent pom中添加如下代码即可
<properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <java.version>1.8</java.version> <maven-compiler-plugin.version>3.3</maven-compiler-plugin.version> </properties> <build> <pluginManagement> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <configuration> <source>${java.version}</source> <target>${java.version}</target> <testSource>${java.version}</testSource> <testTarget>${java.version}</testTarget> </configuration> <version>${maven-compiler-plugin.version}</version> </plugin> </plugins> </pluginManagement> </build>