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我想实现通过产品一级类的选择改变产品二级类的选择内容,这个需要怎么做? 例:产品一级 分 设备类/耗材类 对应设备类二级字段显示 某设备··· ,而耗材类 对应二级字段显示 某器件···
你可以通过吧这个二级目录字段用关联字段,然后通过内置查询方式过滤