求解配置文件生成

src/main/resources/templates/pipenet.ftl

@@ -11,7 +11,7 @@
  <#list coms as c>
     <${c.com.code}<#if c.com.type??> type="${c.com.type}"</#if> ID="${c.pcom.idCode}${c.pcom.ser}">
       <#list c.atts as a>
-       <#if a.value?? && a.value!"">
+       <#if a.value?? && a.value?has_content>
         <${a.code}<#if a.unitType??&&a.unitType!="无"> unit="${a.unit!""}"<#else></#if>>${a.value!""}</${a.code}>
        </#if>
       </#list>