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怎么判断织梦cms dede:field 是否有值

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Release： 2016-06-06 20:23:30
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一个价格标签，结构如下

原价：￥{dede:field.id function="addTableRow(@me,li_tour,price_low)"/}​

怎么判断后台读取的价格是否有值，有就显示值，没有就显示暂无价格

回复内容：

一个价格标签，结构如下

原价：￥{dede:field.id function="addTableRow(@me,li_tour,price_low)"/}​

怎么判断后台读取的价格是否有值，有就显示值，没有就显示暂无价格

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