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deer-flow/skills/public/chart-visualization/references/generate_bar_chart.md
JeffJiang 4d5fdcb8db Consolidates market and data analysis skills; adds chart viz (#36)
Unifies market analysis, data analysis, and consulting reporting into a comprehensive consulting-analysis skill, enabling a two-phase workflow from analysis framework design to professional report generation. Introduces a DuckDB-based data analysis utility for Excel/CSV files and a chart-visualization skill with a flexible JS interface and extensive chart type documentation. Removes the legacy market analysis skill to streamline report generation and improve extensibility for consulting and data-driven workflows.
2026-02-12 11:08:09 +08:00

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# generate_bar_chart — 条形图
## 功能概述
以横向条形比较不同类别或分组的指标表现,适合 Top-N 排行、不同地区或渠道对比。
## 输入字段
### 必填
- `data`: array<object>,每条至少含 `category`string`value`number如需分组或堆叠需额外提供 `group`string
### 可选
- `group`: boolean默认 `false`,启用后以并排形式展示不同 `group`,并要求 `stack=false` 且数据含 `group` 字段。
- `stack`: boolean默认 `true`,启用后将不同 `group` 堆叠在同一条形上,并要求 `group=false` 且数据含 `group` 字段。
- `style.backgroundColor`: string自定义背景色`#fff`)。
- `style.palette`: string[],设置系列颜色列表。
- `style.texture`: string默认 `default`,可选 `default`/`rough`
- `theme`: string默认 `default`,可选 `default`/`academy`/`dark`
- `width`: number默认 `600`,控制图表宽度。
- `height`: number默认 `400`,控制图表高度。
- `title`: string默认空字符串用于设置图表标题。
- `axisXTitle`: string默认空字符串设置 X 轴标题。
- `axisYTitle`: string默认空字符串设置 Y 轴标题。
## 使用建议
类别名称保持简短;若系列数较多可改用堆叠或筛选重点项目,以免图表拥挤。
## 返回结果
- 返回条形图图像 URL并在 `_meta.spec` 中给出完整配置以便复用。