TVM Relax抽象层深度解析:从Relay到下一代编译IR
2026/9/6 5:58:35
1、文件是xlsx类型的
import datetime import openpyxl # 加载一个工作簿 ---> Workbook wb = openpyxl.load_workbook('阿里巴巴2020年股票数据.xlsx') # 获取工作表的名字 print(wb.sheetnames) # 获取工作表 ---> Worksheet sheet = wb.worksheets[0] # 获得单元格的范围 print(sheet.dimensions) # 获得行数和列数 print(sheet.max_row, sheet.max_column) # 获取指定单元格的值 print(sheet.cell(3, 3).value) print(sheet['C3'].value) print(sheet['G255'].value) # 获取多个单元格(嵌套元组) print(sheet['A2:C5']) # 读取所有单元格的数据 for row_ch in range(2, sheet.max_row + 1): for col_ch in 'ABCDEFG': value = sheet[f'{col_ch}{row_ch}'].value if type(value) == datetime.datetime: print(value.strftime('%Y年%m月%d日'), end='\t') elif type(value) == int: print(f'{value:<10d}', end='\t') elif type(value) == float: print(f'{value:.4f}', end='\t') else: print(value, end='\t') print()2.、运行结果如下:
3、写入数据到xlsx
import random import openpyxl # 第一步:创建工作簿(Workbook) wb = openpyxl.Workbook() # 第二步:添加工作表(Worksheet) sheet = wb.active sheet.title = '期末成绩' titles = ('姓名', '语文', '数学', '英语') for col_index, title in enumerate(titles): sheet.cell(1, col_index + 1, title) names = ('关羽', '张飞', '赵云', '马超', '黄忠') for row_index, name in enumerate(names): sheet.cell(row_index + 2, 1, name) for col_index in range(2, 5): sheet.cell(row_index + 2, col_index, random.randrange(50, 101)) # 第四步:保存工作簿 wb.save('考试成绩表2.xlsx')运行结果如下:
4、生成统计图表
from openpyxl import Workbook from openpyxl.chart import BarChart, Reference wb = Workbook(write_only=True) sheet = wb.create_sheet() rows = [ ('类别', '销售A组', '销售B组'), ('手机', 40, 30), ('平板', 50, 60), ('笔记本', 80, 70), ('外围设备', 20, 10), ] # 向表单中添加行 for row in rows: sheet.append(row) # 创建图表对象 chart = BarChart() chart.type = 'col' chart.style = 10 # 设置图表的标题 chart.title = '销售统计图' # 设置图表纵轴的标题 chart.y_axis.title = '销量' # 设置图表横轴的标题 chart.x_axis.title = '商品类别' # 设置数据的范围 data = Reference(sheet, min_col=2, min_row=1, max_row=5, max_col=3) # 设置分类的范围 cats = Reference(sheet, min_col=1, min_row=2, max_row=5) # 给图表添加数据 chart.add_data(data, titles_from_data=True) # 给图表设置分类 chart.set_categories(cats) chart.shape = 4 # 将图表添加到表单指定的单元格中 sheet.add_chart(chart, 'A10') wb.save('demo.xlsx')运行结果如下: