智能财务票据识别

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curl -i -k 'https://aip.baidubce.com/rest/2.0/ocr/v1/multiple_invoice?access_token=【调用鉴权接口获取的token】' --data 'image=【图片Base64编码，需UrlEncode】' -H 'Content-Type:application/x-www-form-urlencoded'

# encoding:utf-8
import requestsimport base64'''
智能财务票据识别
'''
request_url = "https://aip.baidubce.com/rest/2.0/ocr/v1/multiple_invoice"
# 二进制方式打开图片文件
f = open('[本地文件]', 'rb')
img = base64.b64encode(f.read())
params = {"image":img}
access_token = '[调用鉴权接口获取的token]'
request_url = request_url + "?access_token=" + access_token
headers = {'content-type': 'application/x-www-form-urlencoded'}
response = requests.post(request_url, data=params, headers=headers)
if response:
    print (response.json())

package com.baidu.ai.aip;
import com.baidu.ai.aip.utils.Base64Util;
import com.baidu.ai.aip.utils.FileUtil;
import com.baidu.ai.aip.utils.HttpUtil;
import java.net.URLEncoder;
/**
* 智能财务票据识别
*/
public class MultipleInvoice {
    /**
    * 重要提示代码中所需工具类
    * FileUtil,Base64Util,HttpUtil,GsonUtils请从
    * https://ai.baidu.com/file/658A35ABAB2D404FBF903F64D47C1F72
    * https://ai.baidu.com/file/C8D81F3301E24D2892968F09AE1AD6E2
    * https://ai.baidu.com/file/544D677F5D4E4F17B4122FBD60DB82B3
    * https://ai.baidu.com/file/470B3ACCA3FE43788B5A963BF0B625F3
    * 下载
    */
    public static String multipleInvoice() {
        // 请求url
        String url = "https://aip.baidubce.com/rest/2.0/ocr/v1/multiple_invoice";
        try {
            // 本地文件路径
            String filePath = "[本地文件路径]";
            byte[] imgData = FileUtil.readFileByBytes(filePath);
            String imgStr = Base64Util.encode(imgData);
            String imgParam = URLEncoder.encode(imgStr, "UTF-8");
            String param = "image=" + imgParam;
            // 注意这里仅为了简化编码每一次请求都去获取access_token，线上环境access_token有过期时间， 客户端可自行缓存，过期后重新获取。
            String accessToken = "[调用鉴权接口获取的token]";
            String result = HttpUtil.post(url, accessToken, param);
            System.out.println(result);
            return result;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }
    public static void main(String[] args) {
        MultipleInvoice.multipleInvoice();
    }
}

#include <iostream>
#include <curl/curl.h>
// libcurl库下载链接：https://curl.haxx.se/download.html
// jsoncpp库下载链接：https://github.com/open-source-parsers/jsoncpp/
const static std::string request_url = "https://aip.baidubce.com/rest/2.0/ocr/v1/multiple_invoice";
static std::string multipleInvoice_result;
/**
* curl发送http请求调用的回调函数，回调函数中对返回的json格式的body进行了解析，解析结果储存在全局的静态变量当中
* @param 参数定义见libcurl文档
* @return 返回值定义见libcurl文档
*/
static size_t callback(void *ptr, size_t size, size_t nmemb, void *stream) {
    // 获取到的body存放在ptr中，先将其转换为string格式
    multipleInvoice_result = std::string((char *) ptr, size * nmemb);
    return size * nmemb;
}
/**
* 智能财务票据识别
* @return 调用成功返回0，发生错误返回其他错误码
*/
int multipleInvoice(std::string &json_result, const std::string &access_token) {
    std::string url = request_url + "?access_token=" + access_token;
    CURL *curl = NULL;
    CURLcode result_code;
    int is_success;
    curl = curl_easy_init();
    if (curl) {
        curl_easy_setopt(curl, CURLOPT_URL, url.data());
        curl_easy_setopt(curl, CURLOPT_POST, 1);
        curl_httppost *post = NULL;
        curl_httppost *last = NULL;
        curl_formadd(&post, &last, CURLFORM_COPYNAME, "image", CURLFORM_COPYCONTENTS, "【base64_img】", CURLFORM_END);
        curl_easy_setopt(curl, CURLOPT_HTTPPOST, post);
        curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, callback);
        result_code = curl_easy_perform(curl);
        if (result_code != CURLE_OK) {
            fprintf(stderr, "curl_easy_perform() failed: %s\n",
                    curl_easy_strerror(result_code));
            is_success = 1;
            return is_success;
        }
        json_result = multipleInvoice_result;
        curl_easy_cleanup(curl);
        is_success = 0;
    } else {
        fprintf(stderr, "curl_easy_init() failed.");
        is_success = 1;
    }
    return is_success;
}

<?php
/**
* 发起http post请求(REST API), 并获取REST请求的结果
* @param string $url
* @param string $param
* @return - http response body if succeeds, else false.
*/
function request_post($url = '', $param = '')
{
    if (empty($url) || empty($param)) {
        return false;
    }
    $postUrl = $url;
    $curlPost = $param;
    // 初始化curl
    $curl = curl_init();
    curl_setopt($curl, CURLOPT_URL, $postUrl);
    curl_setopt($curl, CURLOPT_HEADER, 0);
    // 要求结果为字符串且输出到屏幕上
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
    // post提交方式
    curl_setopt($curl, CURLOPT_POST, 1);
    curl_setopt($curl, CURLOPT_POSTFIELDS, $curlPost);
    // 运行curl
    $data = curl_exec($curl);
    curl_close($curl);
    return $data;
}
$token = '[调用鉴权接口获取的token]';
$url = 'https://aip.baidubce.com/rest/2.0/ocr/v1/multiple_invoice?access_token=' . $token;
$img = file_get_contents('[本地文件路径]');
$img = base64_encode($img);
$bodys = array(
    'image' => $img
);
$res = request_post($url, $bodys);
var_dump($res);

using System;
using System.IO;
using System.Net;
using System.Text;
using System.Web;
namespace com.baidu.ai{
    public class MultipleInvoice
    {
        // 智能财务票据识别
        public static string multipleInvoice()
        {
            string token = "[调用鉴权接口获取的token]";
            string host = "https://aip.baidubce.com/rest/2.0/ocr/v1/multiple_invoice?access_token=" + token;
            Encoding encoding = Encoding.Default;
            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(host);
            request.Method = "post";
            request.KeepAlive = true;
            // 图片的base64编码
            string base64 = getFileBase64("[本地图片文件]");
            String str = "image=" + HttpUtility.UrlEncode(base64);
            byte[] buffer = encoding.GetBytes(str);
            request.ContentLength = buffer.Length;
            request.GetRequestStream().Write(buffer, 0, buffer.Length);
            HttpWebResponse response = (HttpWebResponse)request.GetResponse();
            StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.Default);
            string result = reader.ReadToEnd();
            Console.WriteLine("智能财务票据识别:");
            Console.WriteLine(result);
            return result;
        }
        public static String getFileBase64(String fileName) {
            FileStream filestream = new FileStream(fileName, FileMode.Open);
            byte[] arr = new byte[filestream.Length];
            filestream.Read(arr, 0, (int)filestream.Length);
            string baser64 = Convert.ToBase64String(arr);
            filestream.Close();
            return baser64;
        }
    }
}

{
    "words_result": [
        {
            "type": "vat_invoice",
            "width": 0,
            "probability": 0.9980429411,
            "height": 649,
            "left": 154,
            "top": 177,
            "result": {
                "AmountInWords": [
                    {
                        "word": "叁佰陆拾圆整"
                    }
                ],
                "InvoiceNumConfirm": [
                    {
                        "word": "07286261"
                    }
                ],
                "CommodityEndDate": [],
                "CommodityVehicleType": [],
                "CommodityStartDate": [],
                "CommodityPrice": [
                    {
                        "row": "1",
                        "word": "339.62"
                    }
                ],
                "NoteDrawer": [
                    {
                        "word": "余佳燕"
                    }
                ],
                "SellerAddress": [],
                "CommodityNum": [
                    {
                        "row": "1",
                        "word": "1"
                    }
                ],
                "SellerRegisterNum": [
                    {
                        "word": "91330106673959654P"
                    }
                ],
                "MachineCode": [],
                "Remarks": [],
                "SellerBank": [
                    {
                        "word": "招商银行杭州高新支行502905023610702"
                    }
                ],
                "CommodityTaxRate": [
                    {
                        "row": "1",
                        "word": "6%"
                    }
                ],
                "TotalTax": [
                    {
                        "word": "20.38"
                    }
                ],
                "InvoiceCodeConfirm": [
                    {
                        "word": "3321192130"
                    }
                ],
                "CheckCode": [],
                "InvoiceCode": [
                    {
                        "word": "3321192130"
                    }
                ],
                "InvoiceDate": [
                    {
                        "word": "2019年08月28日"
                    }
                ],
                "PurchaserRegisterNum": [
                    {
                        "word": "91110911717743469K"
                    }
                ],
                "InvoiceTypeOrg": [
                    {
                        "word": "浙江增值税专用发票"
                    }
                ],
                "OnlinePay": [],
                "Password": [
                    {
                        "word": "508>3909>1*>01/-46709-6/3+*7+8>/1*19+7-0**>+58290-6>647-+324865*9*1<*2191/7754/<0>2<838+//5-69--748*<251408<"
                    }
                ],
                "Agent": [
                    {
                        "word": "否"
                    }
                ],
                "AmountInFiguers": [
                    {
                        "word": "360.00"
                    }
                ],
                "PurchaserBank": [
                    {
                        "word": "招商银行北京分行大电路支行866180100210002"
                    }
                ],
                "Checker": [
                    {
                        "word": "柳余"
                    }
                ],
                "City": [],
                "TotalAmount": [
                    {
                        "word": "339.62"
                    }
                ],
                "CommodityAmount": [
                    {
                        "row": "1",
                        "word": "339.62"
                    }
                ],
                "PurchaserName": [
                    {
                        "word": "百度在线网络技术(北京)有限公司"
                    }
                ],
                "CommodityType": [],
                "Province": [
                    {
                        "word": "浙江"
                    }
                ],
                "InvoiceType": [
                    {
                        "word": "专用发票"
                    }
                ],
                "SheetNum": [
                    {
                        "word": "第二联：抵扣联"
                    }
                ],
                "PurchaserAddress": [],
                "CommodityTax": [
                    {
                        "row": "1",
                        "word": "20.38"
                    }
                ],
                "CommodityPlateNum": [],
                "CommodityUnit": [
                    {
                        "row": "1",
                        "word": "套"
                    }
                ],
                "Payee": [
                    {
                        "word": "佳机"
                    }
                ],
                "CommodityName": [
                    {
                        "row": "1",
                        "word": "*信息技术服务*软件服务费"
                    }
                ],
                "SellerName": [
                    {
                        "word": "百度智能云"
                    }
                ],
                "InvoiceNum": [
                    {
                        "word": "07286261"
                    }
                ]
            }
        },
        {
            "type": "taxi_receipt",
            "width": 0,
            "probability": 0.9858493805,
            "height": 615,
            "left": 1325,
            "top": 200,
            "result": {
                "PickupTime": [
                    {
                        "word": "10:50"
                    }
                ],
                "DropoffTime": [
                    {
                        "word": "17:06"
                    }
                ],
                "Time": [
                    {
                        "word": "10:50-17:06"
                    }
                ],
                "City": [
                    {
                        "word": ""
                    }
                ],
                "FuelOilSurcharge": [
                    {
                        "word": "1.00"
                    }
                ],
                "Date": [
                    {
                        "word": "2019-03-20"
                    }
                ],
                "Province": [
                    {
                        "word": "陕西省"
                    }
                ],
                "CallServiceSurcharge": [
                    {
                        "word": "0.00"
                    }
                ],
                "Fare": [
                    {
                        "word": "21.10"
                    }
                ],
                "TotalFare": [
                    {
                        "word": "22.00"
                    }
                ],
                "TaxiNum": [
                    {
                        "word": "AQ6353"
                    }
                ],
                "PricePerkm": [
                    {
                        "word": "2.30"
                    }
                ],
                "InvoiceCode": [
                    {
                        "word": "161001881016"
                    }
                ],
                "Distance": [
                    {
                        "word": "6.0"
                    }
                ],
                "InvoiceNum": [
                    {
                        "word": "05070716"
                    }
                ],
                "Location": [
                    {
                        "word": "陕西省"
                    }
                ]
            }
        }
    ],
    "words_result_num": 2,
    "log_id": 1438382953545048984
}