44 lines
1.1 KiB
Python
44 lines
1.1 KiB
Python
# _*_ coding: utf-8 _*_
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"""
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python_csv.py by xianhu
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"""
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import csv
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import datetime
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# 数据
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data = [
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[1, "a,bc", 19.353, datetime.datetime(2001, 3, 17)],
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[2, "ei,f", 13.287, datetime.datetime(2011, 4, 27)],
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[3, "q\"ij", 15.852, datetime.datetime(2003, 7, 14)],
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[4, "zh'n", 11.937, datetime.datetime(2012, 1, 9)],
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[5, "i\'op", 12.057, datetime.datetime(2009, 5, 18)],
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]
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# 写文件
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with open("test.csv", "w") as file:
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writer = csv.writer(file, dialect="excel")
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# writer.writerows(data)
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for item in data:
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writer.writerow(item)
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# 读文件
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with open("test.csv", "r") as file:
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reader = csv.reader(file, dialect="excel")
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for item in reader:
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print(item)
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# 读文件
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with open("test.csv", "r") as file:
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reader = csv.DictReader(file, fieldnames=["id", "name", "float", "datetime"], dialect="excel")
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data = [item for item in reader]
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print(data)
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# 写文件
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with open("test.csv", "w") as file:
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writer = csv.DictWriter(file, fieldnames=["id", "name", "float", "datetime"], dialect="excel")
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writer.writeheader()
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for item in data:
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writer.writerow(item)
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