判断对象是否存在,若成立说明存在 <#if blockObjList ??></#if> <#if blockObjList ??> <#else> </#if> 判断知否和某一个值相等(先判断是否存在,在判断相等,如果该指定的参数不存在还比较相等的话就回出错) <#if componentId ? Read More
posted @ 2023-03-30 13:28 泺渊 Views(1112) Comments(0) Diggs(0) Edit
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posted @ 2021-08-17 11:54 泺渊 Views(32) Comments(0) Diggs(0) Edit