方法一：全局指定 settings.xml(第20行)
1 <!-- 指定本地仓库位置 -->
2 <localRepository>D:\repository\</localRepository>
3
4 <!-- 指定远程镜像 -->
5 <mirrors>
6 <mirror>
7 <id>central</id>
8 <mirrorOf>central</mirrorOf>
9 <name>aliyunmaven</name>
10 <url>https://maven.aliyun.com/repository/central</url>
11 </mirror>
12 <mirror>
13 <id>apache.snapshots.https</id>
14 <mirrorOf>apache.snapshots.https</mirrorOf>
15 <name>aliyunmaven</name>
16 <url>https://maven.aliyun.com/repository/apache-snapshots</url>
17 </mirror>
18 </mirrors>
19
20 <!--指定JDK等参数-->
21 <profiles>
22 <profile>
23 <id>jdk-1.8</id>
24 <activation>
25 <jdk>1.8</jdk>
26 <activeByDefault>true</activeByDefault>
27 </activation>
28 <properties>
29 <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
30 <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
31 <maven.compiler.encoding>UTF-8</maven.compiler.encoding>
32 <maven.compiler.source>1.8</maven.compiler.source>
33 <maven.compiler.target>1.8</maven.compiler.target>
34 <maven.compiler.compilerVersion>1.8</maven.compiler.compilerVersion>
35 </properties>
36 </profile>
37 </profiles>
方法二：当前项目 pom.xml中指定(第28行)
1 <properties>
2 <java.version>11</java.version>
3 <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
4 </properties>
5
6 <repositories>
7 <repository>
8 <id>public</id>
9 <url>https://maven.aliyun.com/repository/public</url>
10 <snapshots>
11 <enabled>false</enabled>
12 </snapshots>
13 </repository>
14 </repositories>
15
16 <pluginRepositories>
17 <pluginRepository>
18 <id>public</id>
19 <url>https://maven.aliyun.com/repository/public</url>
20 <snapshots>
21 <enabled>false</enabled>
22 </snapshots>
23 </pluginRepository>
24 </pluginRepositories>
25
26 <build>
27 <plugins>
28 <!-- 指定jdk -->
29 <plugin>
30 <groupId>org.apache.maven.plugins</groupId>
31 <artifactId>maven-compiler-plugin</artifactId>
32 <version>3.8.1</version>
33 <configuration>
34 <skip>true</skip>
35 <source>${java.version}</source>
36 <target>${java.version}</target>
37 <encoding>${project.build.sourceEncoding}</encoding>
38 </configuration>
39 </plugin>
40 <!-- 跳过测试 -->
41 <plugin>
42 <groupId>org.apache.maven.plugins</groupId>
43 <artifactId>maven-surefire-plugin</artifactId>
44 <version>3.0.0-M4</version>
45 <configuration>
46 <skip>true</skip>
47 <skipTests>true</skipTests>
48 </configuration>
49 </plugin>
50 </plugins>
51 </build>
