import requests
import re

def getHtmlText(url):
    try:
        r = requests.get(url, timeout=30)
        r.raise_for_status()
        r.encoding = r.apparent_encoding
        return r.text
    except:
        print("getHtmlText err")
def parsePage(ulist, html):
    try:
        ranking = re.findall(r'\"ranking\"\:\"[\d]*\"', html)
        univNameCn = re.findall(r'\"univNameCn\"\:\".*?\"', html)
        scores = re.findall(r'\"score\"\:[\d]*', html)
        for i in range(30):
            rank = eval(ranking[i].split(":")[1])
            name = eval(univNameCn[i].split(":")[1])
            score = eval(scores[i].split(":")[1])
            ulist.append([rank, name, score])
    except:
        print("parsePage err")

def printGoodsList(ulist):
    tplt = "{0:^10}{1:{3}^10}{2:^10}"
    print(tplt.format("序号", "学校名称", "分数", chr(12288)))  # 中文空格填充，能保证输出对齐
    for i in range(len(ulist)):
        u = ulist[i]
        print(tplt.format(u[0], u[1], u[2], chr(12288)))
def main():
    url = "https://www.shanghairanking.cn/api/pub/v1/bcur?bcur_type=11&year=2020"
    ulist = []
    html = getHtmlText(url)
    parsePage(ulist, html)
    printGoodsList(ulist)
main()