maven项目编码改为UTF-8

在pom文件配置两个方面的内容

<build>
    <plugins>
      <!-- 指定jdk，防止update project -->
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-compiler-plugin</artifactId>
        <configuration>
          <source>1.8</source>
          <target>1.8</target>
          <!-- 项目编码-->
          <encoding>UTF-8</encoding>
        </configuration>
      </plugin>
</build>

  <properties>
       <!--项目编码改为UTF-8 -->
       <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
   </properties>