python openpyxl创建散点图
时间: 2024-01-01 12:03:55 浏览: 37
以下是使用openpyxl在Excel中创建散点图的步骤:
1.导入openpyxl模块和相关模块:
```python
import openpyxl
from openpyxl.chart import (
ScatterChart,
Reference,
Series,
)
```
2.打开Excel文件并选择要操作的工作表:
```python
wb = openpyxl.load_workbook('example.xlsx')
ws = wb.active
```
3.创建一个散点图对象:
```python
chart = ScatterChart()
```
4.创建一个数据范围引用:
```python
xvalues = Reference(ws, min_col=1, min_row=2, max_row=10)
yvalues = Reference(ws, min_col=2, min_row=2, max_row=10)
```
5.创建一个数据系列:
```python
series = Series(yvalues, xvalues, title="Sample Chart")
```
6.将数据系列添加到散点图对象中:
```python
chart.series.append(series)
```
7.设置散点图的标题和坐标轴标签:
```python
chart.title = "Sample Chart"
chart.x_axis.title = 'X Label'
chart.y_axis.title = 'Y Label'
```
8.将散点图添加到工作表中:
```python
ws.add_chart(chart, "C3")
```
完整代码如下:
```python
import openpyxl
from openpyxl.chart import (
ScatterChart,
Reference,
Series,
)
# 打开Excel文件并选择要操作的工作表
wb = openpyxl.load_workbook('example.xlsx')
ws = wb.active
# 创建一个散点图对象
chart = ScatterChart()
# 创建一个数据范围引用
xvalues = Reference(ws, min_col=1, min_row=2, max_row=10)
yvalues = Reference(ws, min_col=2, min_row=2, max_row=10)
# 创建一个数据系列
series = Series(yvalues, xvalues, title="Sample Chart")
# 将数据系列添加到散点图对象中
chart.series.append(series)
# 设置散点图的标题和坐标轴标签
chart.title = "Sample Chart"
chart.x_axis.title = 'X Label'
chart.y_axis.title = 'Y Label'
# 将散点图添加到工作表中
ws.add_chart(chart, "C3")
# 保存Excel文件
wb.save('example.xlsx')
```