python爬虫爬取股票信息

python爬虫爬取股票信息

话不多说，直接上代码：

import requests
import re
import json
from pyquery import PyQuery
import pymysql

# 数据库连接
def connect():
    conn = pymysql.connect(host='localhost',
                           port=3306,
                           user='root',
                           password='password',
                           database='test',
                           charset='utf8mb4')

    # 获取操作游标
    cursor = conn.cursor()
    return {"conn": conn, "cursor": cursor}

connection = connect()
conn, cursor = connection['conn'], connection['cursor']

sql_insert = "insert into stock(code, name, jinkai, chengjiaoliang, zhenfu, zuigao, chengjiaoe, huanshou, zuidi, zuoshou, liutongshizhi, create_date) values (%(code)s, %(name)s, %(jinkai)s, %(chengjiaoliang)s, %(zhenfu)s, %(zuigao)s, %(chengjiaoe)s, %(huanshou)s, %(zuidi)s, %(zuoshou)s, %(liutongshizhi)s, now())"

headers = {
    'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.108 Safari/537.36'
}

def get_stock_list(stockListURL):
    r =requests.get(stockListURL, headers = headers)
    doc = PyQuery(r.text)
    list = []
    # 获取所有 section 中 a 节点，并进行迭代
    for i in doc('.stockTable a').items():
        try:
            href = i.attr.href
            list.append(re.findall(r"\d{6}", href)[0])
        except:
            continue
    list = [item.lower() for item in list]  # 将爬取信息转换小写
    return list


def getStockInfo(list, stockInfoURL):
    count = 0
    for stock in list:
        try:
            url = stockInfoURL   stock
            r = requests.get(url, headers=headers)
            # 将获取到的数据封装进字典
            dict1 = json.loads(r.text[14: int(len(r.text)) - 1])
            print(dict1)

            # 获取字典中的数据构建写入数据模版
            insert_data = {
                "code": stock,
                "name": dict1['info'][stock]['name'],
                "jinkai": dict1['data'][stock]['7'],
                "chengjiaoliang": dict1['data'][stock]['13'],
                "zhenfu": dict1['data'][stock]['526792'],
                "zuigao": dict1['data'][stock]['8'],
                "chengjiaoe": dict1['data'][stock]['19'],
                "huanshou": dict1['data'][stock]['1968584'],
                "zuidi": dict1['data'][stock]['9'],
                "zuoshou": dict1['data'][stock]['6'],
                "liutongshizhi": dict1['data'][stock]['3475914']
            }
            cursor.execute(sql_insert, insert_data)
            conn.commit()
            print(stock, '：写入完成')
        except:
            print('写入异常')
            # 遇到错误继续循环
            continue
def main():
    stock_list_url = 'https://hq.gucheng.com/gpdmylb.html'
    stock_info_url = 'http://qd.10jqka.com.cn/quote.php?cate=real&type=stock&callback=showStockDate&return=json&code='
    list = get_stock_list(stock_list_url)
    # list = ['601766']
    getStockInfo(list, stock_info_url)

if __name__ == '__main__':
    main()