创建通过多个URL导入数据的循环

使用python3(这里使用的是3.7)和requests模块,可以简化为:

import requests
for year in range(2014, 2018):
    url = f'https://www.ndbc.noaa.gov/view_text_file.php?filename=42887h{year}.txt.gz&dir=data/historical/stdmet/'
    r = requests.get(url)
    print(r.text)

您可以将输出保存到一个文件中,而不是打印

//为Python编辑<3.6,使用str.format()

url = "https://www.ndbc.noaa.gov/view_text_file.php?filename=42887h{}.txt.gz&dir=data/historical/stdmet/".format(year)

进一步阅读字符串格式: https://realpython.com/python-f-strings/

import urllib.request

core = 'https://www.ndbc.noaa.gov/view_text_file.php?filename=42887h'
year = 2014
end = '.txt.gz&dir=data/historical/stdmet/'

for i in range(0,3):

        year += 1
        year_fixed = str(year)
        filename = "text" + str(i) + ".txt"
        urllib.request.urlretrieve(core+year_fixed+end, filename)