https://blog.csdn.net/weixin_44852067/article/details/119930728

    直接在ktr文件的这一段后面

    1.       <attribute>
    2.         <code>EXTRA_OPTION_MYSQL.characterEncoding</code>
    3.         <attribute>utf-8</attribute>
    4.       </attribute>

    加入下面的代码

    
      <attribute>
        <code>EXTRA_OPTION_MYSQL.rewriteBatchedStatements</code>
        <attribute>true</attribute>
      </attribute>
      <attribute>
        <code>EXTRA_OPTION_MYSQL.useCompression</code>
        <attribute>true</attribute>
      </attribute>
      <attribute>
        <code>EXTRA_OPTION_MYSQL.useServerPrepStmts</code>
        <attribute>false</attribute>
      </attribute>