ocr文字识别

import base64
import json
import requests

# 设置OCR API地址
url = 'https://ocr.tencentcloudapi.com/'

# 设置API参数
data = {
    'ImageBase64': base64.b64encode(open('test.jpg', 'rb').read()).decode('utf-8'),
    'LanguageType': 'zh',
    'IsPdf': False,
    'PdfPageNumber': 0,
    'TableLanguage': False
}
params = {
    'Action': 'GeneralBasicOCR',
    'Version': '2018-11-19',
    'Region': 'ap-guangzhou',
    'Timestamp': int(time.time()),
    'Nonce': random.randint(1, 65535),
    'SecretId': 'YourSecretId',
    'SignatureMethod': 'HmacSHA256'
}

# 生成签名
sign_str = 'POST' + url.split('//')[1] + '?' + urllib.parse.urlencode(sorted(params.items(), key=lambda x: x[0])).replace('%27', '%22').replace('%3A', '%22%3A%22').replace('%2C', '%22%2C%22').replace('%7D%5D', '%7D%2C%22') + '&'.join([k + '=' + urllib.parse.quote(str(v)) for k, v in sorted(data.items(), key=lambda x: x[0])])
params['Signature'] = base64.b64encode(hmac.new('YourSecretKey'.encode('utf-8'), sign_str.encode('utf-8'), digestmod=hashlib.sha256).digest()).decode('utf-8')

# 发送API请求
response = requests.post(url, data=data, params=params).json()
print(json.dumps(response, ensure_ascii=False, indent=4))