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当我们在报表中使用报表参数时，预览报表总会弹出参数输入框，必须输入参数值才可以打开报表。
当我们为报表参数设定了默认数据时，首次打开报表则不需要用户输入参数值，可以直接进入报表显示查询结果。
下面为您介绍如何为报表参数设置默认值。
1. 制作一个使用了报表查询参数的报表，比如使用大区进行查询的报表。
2. 为报表参数设定一个默认值，单击报表参数打开设置面板。找到默认数据设置区域，选择手动添加。
3. 添加一个默认数据，比如“西北”。
4. 预览时，报表直接按照默认数据“西北”进行了数据查询，不会再弹出参数输入面板。此时，您可以展开参数面板，修改查询条件。
