[Python 代码块] CSV保存中文
保存中文
python
#!python3
#coding:utf8
import csv
data = [[u'American',u'美国人'],
[u'Chinese',u'中国人']]
with open('results.csv','w',newline='',encoding='utf-8-sig') as f:
w = csv.writer(f)
w.writerows(data)
读取
python
import csv
def readFileRows():
with open('soft.csv', 'r') as f:
file = csv.reader(f)
for line in file:
print(line)
print(line[0])
if __name__ == "__main__":
readFileRows()
python
import csv
filename = "my_data.csv"
fields = []
rows = []
# 读取csv文件
with open(filename, 'r') as csvfile:
# 创建一个csv reader对象
csvreader = csv.reader(csvfile)
# 从文件中第一行中读取属性名称信息
# fields = next(csvreader) python3.2 以上的版本使用
fields = csvreader.next()
# 接着一行一行读取数据
for row in csvreader:
rows.append(row)
# 打印前5行信息
for row in rows[:5]:
print(row)
写入
python
# 多行写入
import csv
header = ['line1','line2','line3']
rows = [[1,2,3],[4,5,6],[7,8,9]]
with open('test.csv','w') as f:
file = csv.writer(f)
file.writerow(header)
file.writerows(rows)
# 字典写入
import csv
header = ['line1','line2','line3']
rows = {{'line1':1,'line2':2,'line3':3},
{'line1':4,'line2':5,'line3':6},
{'line1':7,'line2':8,'line3':9}}
with open('dict.csv','w', newline='') as f:
file = csv.DictWriter(f,header)
file.writeheader()
file.writerows(rows)