正如您从屏幕截图中看到的,网格线直接从框的中间开始。
有什么办法可以用情节来做到这一点吗?

这是热图的设置:
colorscale= [[0, 'yellow'], [0.7, 'red'], [1, 'darkred']]
trace_activity = go.Heatmap(
z=activity_orgname['activity'],
x=activity_orgname['month'],
y=activity_orgname['org_name'].astype(str),
hoverongaps = False,colorscale=colorscale)
layout = go.Layout(title='Activity "' + ac_name + '" per Month:',
xaxis={'type':'category', "gridcolor": "rgba(157, 166, 0, 1)"},
yaxis={'type':'category', "gridcolor": "rgba(157, 166, 0, 1)"},
plot_bgcolor="white")
fig = go.Figure(data=[trace_activity],
layout=layout,
)
iplot(fig)
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