{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [],
   "source": [
    "import requests\n",
    "import base64\n",
    "import json"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "24.d1553d0054c592e9a54671bb20c7ff98.2592000.1579349472.282335-15518595\n"
     ]
    }
   ],
   "source": [
    "#　获取token\n",
    "# host 中的 client_id   client_secret 为注册成功后百度给的key\n",
    "host = 'https://aip.baidubce.com/oauth/2.0/token?grant_type=client_credentials&client_id=bwnlUhy0DFLVGq72dQGs8Ao8&client_secret=E55Xu9YGMteKFG9AZWnWZGpGUXEriAXL'\n",
    "headers = {\n",
    "    'Content-Type': 'application/json;charset=UTF-8',\n",
    "}\n",
    "response = requests.get(url=host, headers=headers)\n",
    "\n",
    "# print(response.content)\n",
    "if response:\n",
    "    access_token=response.json()['access_token']\n",
    "    print(access_token)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "{\"log_id\": 6154236719442914002, \"words_result_num\": 1, \"words_result\": [{\"location\": {\"width\": 92, \"top\": 15, \"left\": 7, \"height\": 24}, \"words\": \"847=\"}]}\n"
     ]
    }
   ],
   "source": [
    "# 获取数据\n",
    "# access_token = '24.5578dd7759f6e662c7beea352e3667fb.2592000.1579258726.282335-15518595'\n",
    "url = 'https://aip.baidubce.com/rest/2.0/ocr/v1/general?access_token=' + access_token\n",
    "f = open(r'test.jpg', 'rb')\n",
    "imgR = base64.b64encode(f.read())\n",
    "params={'image':imgR}\n",
    "headers = {\n",
    "    'Content-Type':'application/x-www-form-urlencoded'\n",
    "}\n",
    "response = requests.post(url, params=params, headers=headers)\n",
    "result = response.content.decode('utf-8')\n",
    "print(result)\n",
    "f.close()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 25,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "847=\n"
     ]
    }
   ],
   "source": [
    "# 解析json\n",
    "dic = json.loads(result)\n",
    "for item in dic['words_result']:\n",
    "    print(item['words'])\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "{'words_result_num': 1, 'words_result': [{'words': '四仪御', 'location': {'width': 91, 'top': 0, 'left': 8, 'height': 24}}], 'log_id': 1380845182423524947}\n",
      "['四仪御']\n"
     ]
    }
   ],
   "source": [
    "def baidu_ocr(imgpath):\n",
    "    import requests\n",
    "    import base64\n",
    "    import json\n",
    "#     access_token = '24.5578dd7759f6e662c7beea352e3667fb.2592000.1579258726.282335-15518595'\n",
    "#     url = 'https://aip.baidubce.com/rest/2.0/ocr/v1/general?access_token=' + access_token  # 普通版\n",
    "#     url = 'https://aip.baidubce.com/rest/2.0/ocr/v1/accurate_basic?access_token=' + access_token  # 高精度版\n",
    "    url = 'https://aip.baidubce.com/rest/2.0/ocr/v1/accurate?access_token=' + access_token  # 高精度含位置版\n",
    "    f = open(imgpath, 'rb')\n",
    "    imgR = base64.b64encode(f.read())\n",
    "    params={'image':imgR}\n",
    "    headers = {\n",
    "        'Content-Type':'application/x-www-form-urlencoded'\n",
    "    }\n",
    "    response = requests.post(url, params=params, headers=headers)\n",
    "    result = response.content.decode('utf-8')\n",
    "    dic = json.loads(result)\n",
    "    print(dic)\n",
    "    words_list = []\n",
    "    for item in dic['words_result']:\n",
    "        words_list.append(item['words'])\n",
    "    return words_list\n",
    "pic = '../FileInfo1031/057b6bb5-fbce-11e9-9bc7-408d5cd36814_四仪乐印.jpg'\n",
    "# pic = '../FileInfo1031/0cd3bc65-fbc6-11e9-9bc7-408d5cd36814_5302.jpg'\n",
    "print(baidu_ocr(pic))"
   ]
  }
 ],
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