maven错误解决：编码GBK的不可映射字符

<!-- pom前部加入-->
<properties>
    <maven.compiler.encoding>UTF-8</maven.compiler.encoding>
</properties>
....
...
...
<!-- pom后部加入-->
<build>
    <plugins>
    <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-compiler-plugin</artifactId>
        <version>3.1</version>
        <configuration>
             <source>1.7</source>
            <target>1.7</target>
            <encoding>UTF-8</encoding>
        </configuration>
    </plugin>
    </plugins>
</build>