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生成txt文件:

mesg = "hello world"

with open("test.txt", "w") as f:
 f.write("{}".format(mesg))
 print("加载完成!")

生成json文件:

import json


mesg = {"key": "value"}

with open("test.json", "w") as f:
 json.dump(mesg, f)
 print("加载完成!")

生成csv文件:

import csv


with open("test.csv", "w") as f:
 fieldnames = ["name", "age"] # 表的列名
 writer = csv.DictWriter(f, fieldnames=fieldnames)

 writer.writeheader() # 加上表头
 writer.writerow({"name": "shannon-li", "age": 4}) # 按行添加
 print("加载完成!")

打开txt文件:

with open("test.txt") as f:
 content = f.read()
 print("文件内容:{}".format(content))

打开json文件:

import json
import sys


with open("test.json") as f:
 try:
  content = json.load(f)
  print("文件内容:{}".format(content))
 except TypeError:
  sys.exit("Error on load json file.")

打开csv文件:

import csv
import sys

content = []

with open("test.csv") as f:
 reader = csv.DictReader(f, delimiter=",", quotechar="|")

 try:
  for row in reader:
   content.append({"name": row["name"], "age": row["age"]})
  print("文件内容:".format(content))
 except csv.Error as e:
  sys.exit("file %s, line %d: %s" % (f, reader.line_num, e))

以上这篇python生成以及打开json、csv和txt文件的实例就是小编分享给大家的全部内容了,希望能给大家一个参考,也希望大家多多支持。

标签:
python,json,csv,txt

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