Maven中指定Java的编译版本和源文件编码方式

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使用Maven编译Java项目，默认的编译版本是1.5.

参考官网的说明－》https://maven.apache.org/plugins/maven-compiler-plugin/compile-mojo.html

sourceString2.0

The -source argument for the Java compiler.

Default value is: 1.5.

User property is: maven.compiler.source.

targetString2.1The -encoding argument for the Java compiler.
Default value is: ${project.build.sourceEncoding}.
User property is: encoding.encodingString2.0

The -target argument for the Java compiler.

Default value is: 1.5.

User property is: maven.compiler.target.

如果要指定Java编译版本有两种方式

1）在settings.xml中指定，例如

<profiles>    <profile>        <id>JDK1.7</id>        <activation>            <activeByDefault>true</activeByDefault>        </activation>        <properties>            <maven.compiler.source>1.7</maven.compiler.source>            <maven.compiler.target>1.7</maven.compiler.target><encoding>UTF-8</encoding>        </properties>    </profile></profiles>

2）在pom.xml中指定，例如

<build><plugins><plugin><groupId>org.apache.maven.plugins</groupId><artifactId>maven-compiler-plugin</artifactId><version>${maven-compiler-plugin.version}</version><configuration><source>1.7</source><target>1.7</target><encoding>UTF-8</encoding></configuration></plugin></plugins></build>

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