Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.8.1:

在pom.xml文件中添加如下代码：

           <plugin>
                <groupId>org.apache.maven.pluginsgroupId>
                <artifactId>maven-compiler-pluginartifactId>
                <version>3.8.1version>
                <configuration>
                    <source>1.8source>
                    <target>1.8target>
                configuration>
            plugin>