页面历史

import plotly.graph_objects as go

# 查询各车系的销量情况
sql_json = {"sel": ["车系", "销量"],"conds": [${年}], "from": "即席查询"}
df_car_series_sales = detail_trend_data_query_assistant(sql_json)

# 用柱形图展示数据
fig = go.Figure()
fig.add_trace(go.Bar(
    x=df_car_series_sales['车系'],
    y=df_car_series_sales['销量'],
    name='销量'
))

# 设置图表标题和轴标签
fig.update_layout(
    title='各车系销量情况',
    xaxis_title='车系',
    yaxis_title='销量',
    title_x=0.5  # 标题居中
)

# 输出结果
import json
json_result = json.dumps([{"output_variable_name": "fig", "type": "plotly", "desc": "各车系销量柱形图"}])
json_result