mybatis书写mapper.xml文件无法写入<=,JDBC

解决办法，采用转义字符；

> 大于 转义 &gt;

< 小于 转义 &lt;

& 和 转义 &amp;

' 单引号 转义 &apos;

" 双引号 转义 &quot;

select id as id,name as name,url as url,module as module,view as view from YYH_LINK where view=#{view} and  admin <={admin}

select id as id,name as name,url as url,module as module,view as view from YYH_LINK where view=#{view} and  admin &lt;={admin}