週三：python和工程數學
python學習：
import requests
from bs4 import BeautifulSoup as bs
import pandas as pd
from matplotlib import pyplot as plt
def get_rank(url):
count = 0
rank = \[\]
headers = {
"user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.54 Safari/537.36 Edg/101.0.1210.3"
}
resp = requests.get(url, headers=headers).content.decode()
soup = bs(resp, "lxml")
univname = soup.find_all('a', class\_="name-cn")
for i in univname:
if count != 10:
university = i.text.replace(" ", "")
score = soup.select("#content-box > div.rk-table-box > table > tbody > tr:nth-child({}) > td:nth-child(5)"
.format(count + 1))\[0\].text.strip()
rank.append(\[university, score\])
else:
break
count += 1
return rank
total = []
u_year = 2015
for i in range(15, 20):
url = "https://www.shanghairanking.cn/rankings/bcur/20{}11".format(i)
print(url)
title = \['學校名稱', '總分'\]
df = pd.DataFrame(get_rank(url), columns=title)
total.append(df)
for i in total:
plt.rcParams\['font.sans-serif'\] = \['SimHei'\] # 用來正常顯示中文標籤
x = list(i\["學校名稱"\])\[::-1\]
y = list(i\["總分"\])\[::-1\]
# 1.建立畫布
plt.figure(figsize=(20, 8), dpi=100)
# 2.繪製影像
plt.plot(x, y, label="大學排名")
# 2.2 新增網格顯示
plt.grid(True, linestyle="--", alpha=0.5)
# 2.3 新增描述資訊
plt.xlabel("大學名稱")
plt.ylabel("總分")
plt.title(str(u_year) + "年軟科中國最好大學排名Top10", fontsize=20)
# 2.5 新增圖例
plt.legend(loc="best")
# 3.影像顯示
plt.savefig(str(u_year)+".png")
plt.show()
u_year += 1
while True:
info = input("請輸入要查詢的大學名稱和年份：")
count = 0
university, year = info.split()
year = int(year)
judge = 2019 - year
tmp = total\[::-1\]
if 4 >= judge >= 0:
name = list(total\[judge - 1\]\["學校名稱"\])
for j in name:
if university == j:
print(university + "在{0}年排名第{1}".format(year, count + 1))
break
count += 1
if count ==10:
print("很抱歉，沒有該學校的排名記錄！！！")
print("請選擇以下選項:")
print(" 1.繼續查詢")
print(" 2.結束查詢")
select = int(input(""))
if select == 1:
continue
elif select == 2:
break
else:
break
else:
print("很抱歉，沒有該年份的排名記錄！！！")
print("請選擇以下選項:")
print(" 1.繼續查詢")
print(" 2.結束查詢")
select = int(input(""))
if select == 1:
continue
elif select == 2:
break