Google图表显示多个工具提示

问题描述：

我有以下图表，其中包含每月的权益和债务价值

I have folloing chart which has month wise equity and debt value

当鼠标悬停在月份v轴上时，我需要显示两个工具提示，我尝试添加aggregationTarget: 'category'，但它不起作用.

I need to show both the tooltip while mouse hover the month v-axis, i try to add aggregationTarget: 'category' but its not working.

答

我找到了解决方案，需要添加focusTarget: 'category'

I found the solution, which is need to add focusTarget: 'category'