UTF-16转UTF-8的CSV文件Python正常但Excel乱码,如何解决?
问题
我尝试将名为kyoto_restaurants.csv的UTF-16编码CSV文件转换为UTF-8编码,使用以下Python代码转换后:
from csv import reader from csv import writer with open('kyoto_restaurants.csv', encoding='utf-16') as file: read_file = reader(file) rows = list(read_file) with open('kyoto_restaurants_utf8.csv', mode='w', encoding='utf-8', newline='') as file: write_file = writer(file) for row in rows: write_file.writerow(row) with open('kyoto_restaurants_utf8.csv', encoding='utf-8') as file: read_file = reader(file) rows = list(read_file) print(rows[0]) print(rows[1]) print(rows[2])
打印输出显示英文和日文字符均正常,例如第二条记录为:
['1', 'Orudeidainingurajou ', 'オールデイダイニング ラジョウ', 'Kyoto', 'Buffet style', 'Cafe', '¥4000~¥4999', '¥2000~¥2999', '3.39', '3.2', '3.38', '56', '34.9861751483108', '135.761313932311']
但使用Excel打开转换后的kyoto_restaurants_utf8.csv文件时,日文字符显示乱码。请问该如何修正此问题?
解决方案
Excel对无BOM(字节顺序标记)的UTF-8文件兼容性较差,尤其是包含非英文字符时易出现乱码,可通过以下两种方式解决:
方法一:写入UTF-8文件时自动添加BOM
修改文件写入代码,使用utf-8-sig编码(该编码会自动在文件开头添加UTF-8 BOM,帮助Excel识别编码):
from csv import reader, writer with open('kyoto_restaurants.csv', encoding='utf-16') as file: rows = list(reader(file)) # 关键修改:用utf-8-sig编码写入 with open('kyoto_restaurants_utf8.csv', mode='w', encoding='utf-8-sig', newline='') as file: writer(file).writerows(rows) # 用writerows批量写入更简洁 # 验证 with open('kyoto_restaurants_utf8.csv', encoding='utf-8') as file: print(list(reader(file))[1])
方法二:通过Excel导入功能指定编码
若不想修改代码,可手动通过Excel的导入流程正确识别文件:
- 打开Excel,切换到「数据」选项卡,选择「自文本/CSV」
- 选中转换后的
kyoto_restaurants_utf8.csv文件 - 在导入窗口中,将「文件原始格式」设置为「UTF-8」,再点击加载即可正常显示日文字符
内容的提问来源于stack exchange,提问作者Charles Knell
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