Python获取excel内容及相关操作代码实例

import openpyxl
wb = openpyxl.load_workbook("test.xlsx")
# print(type(wb))  # <class 'openpyxl.workbook.workbook.Workbook'>
# 工作簿对象.sheetnames  - 获取当前工作簿中所有表的名字
# print(wb.sheetnames) ['Sheet1', 'Sheet2', 'Sheet3']
# 工作簿对象.active  - 获取当前活动表对应的Worksheet对象
# print(wb.active)  <Worksheet "Sheet1">
# 工作簿对象[表名]  - 根据表名获取指定表对象
# print(wb["Sheet2"]) <Worksheet "Sheet2">
# 表对象.title  - 获取表对象的表名
ws = wb["Sheet1"]
# print(ws.title)  Sheet1
# 表对象.max_row  - 获取表中最多有多少行
# print(ws.max_row)  15
# 表对象.max_column  - 获取表有多少列
print(ws.max_column) # 3

import openpyxl
wb = openpyxl.load_workbook("test.xlsx")
ws = wb["Sheet1"]
# 表对象['列号行号']  - 获取指定列的指定行对应的单元格对象（单元格对象是 Cell 类的对象，列号是从A开始，行号是从1开始）
a = ws["A1"]
# print(a) # <Cell 'Sheet1'.A1>
# 单元格对象.value  - 获取单元格中的内容
print(a.value)
# 单元格对象.row - 获取行号（数字1开始）
print(a.row)
# 单元格对象.column  - 获取列号（数字1开始）
print(a.column)
# 单元格对象.coordinate  - 获取位置（包括行号和列号）
print(a.coordinate)
# 表对象.iter_rows() - 一行一行的取
row_s = ws.iter_rows()
for a in row_s:
  for i in a:
    print(i.value)
# 表对象.iter_cols()  - 列表一列的取
col_s = ws.iter_cols()
for c in col_s:
  for j in c:
    print(j.value)

import openpyxl
wb = openpyxl.load_workbook("test.xlsx")
ws = wb["Sheet1"]
# 获取第二列的所有内容
max_row = ws.max_row
for row in range(1, max_row + 1):
  cell = ws.cell(row, 2)
  print(cell.value)

import openpyxl
from openpyxl.utils import get_column_letter, column_index_from_string
wb = openpyxl.load_workbook("test.xlsx")
ws = wb["Sheet1"]
max_row = ws.max_row
column = get_column_letter(max_row)
# 获取第一列所有单元格对象
row2 = ws["A1":f"{column}1"]
ss = [(cell.coordinate, cell.value) for cells in row2 for cell in cells]
print(ss)

import openpyxl
from openpyxl.utils import get_column_letter, column_index_from_string
wb = openpyxl.load_workbook("test.xlsx")
ws = wb["Sheet1"]
max_cols = ws.max_column
column = get_column_letter(max_cols)
# 获取第一片区域所有单元格对象
row2 = ws["A1":f"{column}3"]
ss = [(cell.coordinate, cell.value) for cells in row2 for cell in cells]
print(ss)

import openpyxl
wb = openpyxl.load_workbook("test.xlsx")
ws = wb["Sheet1"]
# 修改sheet的名称
ws.title = "hello_world"
wb.save("test.xlsx")

import openpyxl
wb = openpyxl.load_workbook("test.xlsx")
wb.create_sheet()
print(wb.sheetnames)
wb.create_sheet("test1")
print(wb.sheetnames)
wb.create_sheet("test2", index=0)
print(wb.sheetnames)
wb.remove(wb["test2"])
print(wb.sheetnames)
wb.save("test.xlsx")

import openpyxl
wb = openpyxl.load_workbook("test.xlsx")
ws = wb["hello_world"]
# 方式一
ws["A4"] = "hello_world"
# 方式二
ws.cell(4, 5).value = "hello_test"
wb.save("test.xlsx")

import openpyxl
from openpyxl.styles import Font, PatternFill, Border, Side, Alignment

# 1.打开工作薄
wb = openpyxl.load_workbook("test.xlsx")
ws = wb["hello_world"]
# 2.设置单元格字体样式
"""
Font(
  name=None,   # 字体名，可以用字体名字的字符串
  strike=None,  # 删除线，True/False
  color=None,   # 文字颜色
  size=None,   # 字号
  bold=None,   # 加粗, True/False
  italic=None,  # 倾斜，Tue/False
  underline=None # 下划线, 'singleAccounting', 'double', 'single', 'doubleAccounting'
)
"""
# 1:创建字体对象
font1 = Font(
  size=20,
  italic=True,
  color="ff0000",
  bold=True,
  strike=True
)
# 2:设置指定单元格的字体
# 单元格对象.font = 字体对象
ws["B2"].font = font1

# 3:设置单元格填充样式
"""
PatternFill(
  fill_type=None,  # 设置填充样式: 'darkGrid', 'darkTrellis', 'darkHorizontal', 'darkGray', 'lightDown', 'lightGray', 'solid', 'lightGrid', 'gray125', 'lightHorizontal', 'lightTrellis', 'darkDown', 'mediumGray', 'gray0625', 'darkUp', 'darkVertical', 'lightVertical', 'lightUp'
  start_color=None # 设置填充颜色
)
"""
fill = PatternFill(
  fill_type="solid",
  start_color="ffff00"
)
ws["B2"].fill = fill

# 设置单元格对齐样式
al = Alignment(
  horizontal="right",  # 水平向方: center 靠左：left 靠右: right
  vertical="top"     # 垂直方向: center, top, bottom
)
ws["B2"].alignment = al

# 设置边框样式
# 设置边对象(四个边可以是一样的也可以不同,如果不同就创建多个Side对象)
side = Side(border_style="thin", color="0000ff")
# 设置边框对象(left、right、top、bottom表示的是边框的四个边，这儿四个边使用的是一个边对象)
db = Border(left=side, right=side, top=side, bottom=side)
ws["B2"].border = db

# 设置单元格的宽度和高度
# 设置指定列的宽度
ws.column_dimensions["A"].width = 20
# 设置指定行的高度
ws.row_dimensions[1].height = 45

wb.save("test.xlsx")