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为了提升仪表板的使用体验，现支持自定义组件无数据显示时的显示内容或图片，包括图表和富文本。
通过对无数据样式的设置，可以使组件在无数据显示时的体验更好。
如下图所示，设置之后显示了自定义的文本和图片。
具体可设置的空数据样式项目如下：
设置无数据时显示的文本内容。
当设置了多行提示内容时，选择文本的对齐方式。
支持左对齐、右对齐和居中对齐。
设置提示文本远离默认位置的距离。支持0到100，数值越大，越向下方远离默认位置。
设置提示文本的字体样式。
为无数据显示时设置背景图片，单击背景图片后的
，在图片管理中选择共享图片或添加新图片，详情可参考图片组件中相关的介绍。
设置图片填充到组件中的尺寸。
单击下拉箭头，选择原始大小、包含、覆盖、拉伸。