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我已经在页眉创建了 5 个参数字段。当参数没有输入时,它将显示为空白。我的问题是如何使参数 P_2 在参数 P_1 键入时移到顶部。
您应该可以使用 jasper-reports 轻松完成此任务。将您的字段设置为Blank When Null = true和Remove Line When Blank = true。
Blank When Null = true
Remove Line When Blank = true