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oneao committed 2025-11-24 17:31:41 +08:00
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import pandas as pd
import random
import string
from datetime import datetime, timedelta
# 配置
rows = 10000
cols = 20
rows = 4000
# 生成列名
columns = [f"列{i+1}" for i in range(cols)]
# 列名
columns = ["箱号", "箱型", "制造日期"]
# 箱型列表
container_types = ["20GP", "40GP", "40HQ", "45HQ"]
# 随机日期函数(生成 2000-01-01 到 2024-12-31)
def random_date():
start_date = datetime(2000, 1, 1)
end_date = datetime(2024, 12, 31)
delta = end_date - start_date
rand_days = random.randint(0, delta.days)
return (start_date + timedelta(days=rand_days)).strftime("%Y-%m-%d")
# 随机生成箱号(4字母 + 7数字)
def random_conno():
prefix = ''.join(random.choices(string.ascii_uppercase, k=4))
number = ''.join(random.choices(string.digits, k=7))
return prefix + number
# 生成数据
data = []
for _ in range(rows):
row = []
for _ in range(cols):
# 随机数字或者随机字符串
if random.random() < 0.5:
row.append(random.randint(1, 10000)) # 随机数字
else:
row.append(''.join(random.choices(string.ascii_uppercase, k=5))) # 随机5个字母
data.append(row)
for i in range(rows):
箱号 = random_conno()
箱型 = random.choice(container_types)
制造日期 = random_date()
data.append([箱号, 箱型, 制造日期])
# 创建 DataFrame
df = pd.DataFrame(data, columns=columns)
# 保存 Excel
df.to_excel("随机20列10000行.xlsx", index=False)
# 或者保存 CSV
df.to_csv("随机20列10000行.csv", index=False, encoding='utf-8-sig')
# 保存 Excel 和 CSV
df.to_excel("箱数据4000行2.xlsx", index=False)
df.to_csv("箱数据4000行2.csv", index=False, encoding="utf-8-sig")
print("生成完成!")
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