> For the complete documentation index, see [llms.txt](https://clu.gitbook.io/python-web-crawler-note/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://clu.gitbook.io/python-web-crawler-note/45-tai-wan-zheng-quan-jiao-yi-suo.md).

# 4.5 台灣證券交易所API

這個API長得大概像這樣:

```
http://www.twse.com.tw/exchangeReport/STOCK_DAY?response=json&date=20160501&stockNo=2330
```

比較重要的地方是date這個參數, 基本上你給的值一定要是yyyyMMdd的形式, 但是真正作用的只有yyyy與MM, 因為他會把這段request解讀成你想要看**stockNo股票在yyyy年MM月的紀錄**, 所以dd基本上沒有太大意義, 但卻是不可少的部分.

```python
import requests
import time


TWSE_URL = 'http://www.twse.com.tw/exchangeReport/STOCK_DAY?response=json'


def get_web_content(stock_id, current_date):
    resp = requests.get(TWSE_URL + '&date=' + current_date + '&stockNo=' + stock_id)
    if resp.status_code != 200:
        return None
    else:
        return resp.json()


def get_data(stock_id, current_date):
    info = list()
    resp = get_web_content(stock_id, current_date)
    if resp is None:
        return None
    else:
        if resp['data']:
            for data in resp['data']:
                record = {
                    '日期': data[0],
                    '開盤價': data[3],
                    '收盤價': data[6],
                    '成交筆數': data[8]
                }
                info.append(record)
        return info


def main():
    stock_id = '2330'
    current_date = time.strftime('%Y%m%d')
    current_year = time.strftime('%Y')
    current_month = time.strftime('%m')
    print('Processing data for %s %s...' % (current_year, current_month))
    get_data(stock_id, current_date)
    collected_info = get_data(stock_id, current_date)
    for info in collected_info:
        print(info)


if __name__ == '__main__':
    main()
```

執行結果:

```javascript
Processing data for 2017 05...
{'日期': '106/05/02', '開盤價': '198.50', '收盤價': '196.50', '成交筆數': '15,718'}
{'日期': '106/05/03', '開盤價': '198.00', '收盤價': '198.00', '成交筆數': '9,259'}
{'日期': '106/05/04', '開盤價': '198.50', '收盤價': '198.00', '成交筆數': '8,787'}
{'日期': '106/05/05', '開盤價': '197.00', '收盤價': '197.50', '成交筆數': '6,078'}
{'日期': '106/05/08', '開盤價': '199.00', '收盤價': '202.50', '成交筆數': '15,190'}
{'日期': '106/05/09', '開盤價': '205.50', '收盤價': '203.50', '成交筆數': '15,467'}
{'日期': '106/05/10', '開盤價': '204.00', '收盤價': '205.50', '成交筆數': '11,094'}
{'日期': '106/05/11', '開盤價': '204.50', '收盤價': '207.50', '成交筆數': '16,478'}
{'日期': '106/05/12', '開盤價': '205.00', '收盤價': '206.00', '成交筆數': '7,515'}
{'日期': '106/05/15', '開盤價': '204.00', '收盤價': '206.00', '成交筆數': '8,141'}
{'日期': '106/05/16', '開盤價': '205.00', '收盤價': '204.50', '成交筆數': '11,066'}
{'日期': '106/05/17', '開盤價': '203.00', '收盤價': '204.00', '成交筆數': '9,323'}
{'日期': '106/05/18', '開盤價': '202.50', '收盤價': '203.50', '成交筆數': '6,983'}
{'日期': '106/05/19', '開盤價': '203.50', '收盤價': '203.00', '成交筆數': '6,014'}
{'日期': '106/05/22', '開盤價': '203.50', '收盤價': '205.00', '成交筆數': '5,278'}
{'日期': '106/05/23', '開盤價': '205.00', '收盤價': '205.00', '成交筆數': '7,003'}
{'日期': '106/05/24', '開盤價': '205.00', '收盤價': '205.50', '成交筆數': '5,141'}
{'日期': '106/05/25', '開盤價': '206.00', '收盤價': '207.00', '成交筆數': '7,406'}
{'日期': '106/05/26', '開盤價': '205.00', '收盤價': '207.00', '成交筆數': '8,059'}

Process finished with exit code 0
```

原始碼[點我](https://github.com/yotsuba1022/web-crawler-practice/blob/master/ch4/tw_stock_exchange.py)


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