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本文檔為您介紹二維碼識別常用語言和常見情況的示例代碼。

說明

您可以進入在線咨詢獲取在線人工幫助。
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能力介紹

關于二維碼識別的功能介紹以及具體調用參數說明，請參見二維碼識別。

SDK包安裝

常見語言的SDK依賴包信息，請參見SDK總覽。

配置環境變量

配置環境變量ALIBABA_CLOUD_ACCESS_KEY_ID和ALIBABA_CLOUD_ACCESS_KEY_SECRET。

重要

阿里云賬號AccessKey擁有所有API的訪問權限，建議您使用RAM用戶進行API訪問或日常運維，具體操作，請參見創建RAM用戶。
請不要將AccessKey ID和AccessKey Secret保存到工程代碼里，否則可能導致AccessKey泄露，威脅您賬號下所有資源的安全。

Linux和macOS系統配置方法
1. 在IntelliJ IDEA中打開終端Terminal。
2. 執行以下命令，配置環境變量。
  <access_key_id>需替換為您RAM用戶的AccessKey ID，<access_key_secret>替換為您RAM用戶的AccessKey Secret。如果后續需要進行更多權限相關的配置，具體操作請參見使用RAM Policy控制訪問權限。
```
export ALIBABA_CLOUD_ACCESS_KEY_ID=<access_key_id> 
export ALIBABA_CLOUD_ACCESS_KEY_SECRET=<access_key_secret>
```
Windows系統配置方法
新建環境變量文件，添加環境變量ALIBABA_CLOUD_ACCESS_KEY_ID和ALIBABA_CLOUD_ACCESS_KEY_SECRET，并寫入已準備好的AccessKey ID和AccessKey Secret。然后重啟Windows系統。本操作以Windows 10為例進行說明。
1. 打開文件資源管理器，在此電腦上右鍵單擊屬性。
2. 在右側導航欄，單擊高級系統配置。
3. 在系統屬性對話框的高級頁簽下，單擊環境變量。
4. 在環境變量對話框中，單擊新建(W)。
5. 在彈出的新建系統變量對話框中，添加環境變量ALIBABA_CLOUD_ACCESS_KEY_ID和ALIBABA_CLOUD_ACCESS_KEY_SECRET，并寫入已準備好的AccessKey ID和AccessKey Secret。
6. 重啟Windows系統，使配置生效。

示例代碼

文件在上海地域OSS

Java

/*
引入依賴包
<!-- https://mvnrepository.com/artifact/com.aliyun/ocr20191230 -->
<dependency>
      <groupId>com.aliyun</groupId>
      <artifactId>ocr20191230</artifactId>
      <version>${aliyun.ocr.version}</version>
</dependency>
*/

import com.aliyun.ocr20191230.models.RecognizeQrCodeResponse;
import com.aliyun.tea.TeaException;
import com.aliyun.tea.TeaModel;

public class RecognizeQrCode {

    public static com.aliyun.ocr20191230.Client createClient(String accessKeyId, String accessKeySecret) throws Exception {
        /*
          初始化配置對象com.aliyun.teaopenapi.models.Config
          Config對象存放AccessKeyId、AccessKeySecret、endpoint等配置
         */
         com.aliyun.teaopenapi.models.Config config = new com.aliyun.teaopenapi.models.Config()
                .setAccessKeyId(accessKeyId)
                .setAccessKeySecret(accessKeySecret);
        // 訪問的域名
        config.endpoint = "ocr.cn-shanghai.aliyuncs.com";
        return new com.aliyun.ocr20191230.Client(config);
    }

    public static void main(String[] args_) throws Exception {
        // 創建AccessKey ID和AccessKey Secret，請參見：http://bestwisewords.com/document_detail/175144.html
        // 如果您使用的是RAM用戶的AccessKey，還需要為子賬號授予權限AliyunVIAPIFullAccess，請參見：http://bestwisewords.com/document_detail/145025.html
        // 從環境變量讀取配置的AccessKey ID和AccessKey Secret。運行代碼示例前必須先配置環境變量。
        String accessKeyId = System.getenv("ALIBABA_CLOUD_ACCESS_KEY_ID");
        String accessKeySecret = System.getenv("ALIBABA_CLOUD_ACCESS_KEY_SECRET"); 
        com.aliyun.ocr20191230.Client client = RecognizeQrCode.createClient(accessKeyId, accessKeySecret);
        com.aliyun.ocr20191230.models.RecognizeQrCodeRequest.RecognizeQrCodeRequestTasks tasks0 = new com.aliyun.ocr20191230.models.RecognizeQrCodeRequest.RecognizeQrCodeRequestTasks()
                .setImageURL("http://viapi-test.oss-cn-shanghai.aliyuncs.com/viapi-3.0domepic/ocr/RecognizeQrCode/RecognizeQrCode1.jpg");
        com.aliyun.ocr20191230.models.RecognizeQrCodeRequest recognizeQrCodeRequest = new com.aliyun.ocr20191230.models.RecognizeQrCodeRequest()
                .setTasks(java.util.Arrays.asList(
                        tasks0
                ));
        com.aliyun.teautil.models.RuntimeOptions runtime = new com.aliyun.teautil.models.RuntimeOptions();
        try {
            // 復制代碼運行請自行打印 API 的返回值
            RecognizeQrCodeResponse response = client.recognizeQrCodeWithOptions(recognizeQrCodeRequest, runtime);
            System.out.println(com.aliyun.teautil.Common.toJSONString(TeaModel.buildMap(response)));
        } catch (TeaException error) {
            // 獲取整體報錯信息
            System.out.println(com.aliyun.teautil.Common.toJSONString(error));
            // 獲取單個字段
            System.out.println(error.getCode());
        }
    }
}

Python

# -*- coding: utf-8 -*-
# 引入依賴包
# pip install alibabacloud_ocr20191230

import os
from alibabacloud_ocr20191230.client import Client
from alibabacloud_ocr20191230.models import RecognizeQrCodeRequestTasks, RecognizeQrCodeRequest
from alibabacloud_tea_openapi.models import Config
from alibabacloud_tea_util.models import RuntimeOptions

config = Config(
    # 創建AccessKey ID和AccessKey Secret，請參考http://bestwisewords.com/document_detail/175144.html。
    # 如果您用的是RAM用戶的AccessKey，還需要為RAM用戶授予權限AliyunVIAPIFullAccess，請參考http://bestwisewords.com/document_detail/145025.html。
    # 從環境變量讀取配置的AccessKey ID和AccessKey Secret。運行代碼示例前必須先配置環境變量。
    access_key_id=os.environ.get('ALIBABA_CLOUD_ACCESS_KEY_ID'),
    access_key_secret=os.environ.get('ALIBABA_CLOUD_ACCESS_KEY_SECRET'),
    # 訪問的域名
    endpoint='ocr.cn-shanghai.aliyuncs.com',
    # 訪問的域名對應的region
    region_id='cn-shanghai'
)
tasks_0 = RecognizeQrCodeRequestTasks(
  image_url='http://viapi-test.oss-cn-shanghai.aliyuncs.com/viapi-3.0domepic/ocr/RecognizeQrCode/RecognizeQrCode3.jpg'
)
tasks_1 = RecognizeQrCodeRequestTasks(
  image_url='http://viapi-test.oss-cn-shanghai.aliyuncs.com/viapi-3.0domepic/ocr/RecognizeQrCode/RecognizeQrCode4.jpg'
)
recognize_qr_code_request = RecognizeQrCodeRequest(
   tasks=[
     tasks_0,
     tasks_1
   ]
)
runtime = RuntimeOptions()
try:
  # 初始化Client
  client = Client(config)
  response = client.recognize_qr_code_with_options(recognize_qr_code_request, runtime)
  # 獲取整體結果
  print(response.body)
except Exception as error:
  # 獲取整體報錯信息
  print(error)
  # 獲取單個字段
  print(error.code)
  # tips: 可通過error.__dict__查看屬性名稱

PHP

<?php

//安裝依賴包
//composer require alibabacloud/ocr-20191230
  

use AlibabaCloud\SDK\Ocr\V20191230\Ocr;
use AlibabaCloud\Tea\Utils\Utils;
use \Exception;
use Darabonba\OpenApi\Models\Config;
use AlibabaCloud\SDK\Ocr\V20191230\Models\RecognizeQrCodeRequest\tasks;
use AlibabaCloud\SDK\Ocr\V20191230\Models\RecognizeQrCodeRequest;
use AlibabaCloud\Tea\Utils\Utils\RuntimeOptions;

class RecognizeQrCode {

    /**
     * 使用AK&SK初始化賬號Client
     * @param string $accessKeyId
     * @param string $accessKeySecret
     * @return Ocr Client
     */
    public static function createClient($accessKeyId, $accessKeySecret){
        //初始化配置對象Darabonba\OpenApi\Models\Config。
        //Config對象存放accessKeyId、accessKeySecret、endpoint等配置
        $config = new Config([
            "accessKeyId" => $accessKeyId,
            "accessKeySecret" => $accessKeySecret
        ]);
        // 訪問的域名
        $config->endpoint = "ocr.cn-shanghai.aliyuncs.com";
        return new Ocr($config);
    }
    /**
     * @param string[] $args
     * @return void
     */
    public static function main($args){
        // 創建AccessKey ID和AccessKey Secret，請參考http://bestwisewords.com/document_detail/175144.html。
        // 如果您用的是RAM用戶的AccessKey，還需要為RAM用戶授予權限AliyunVIAPIFullAccess，請參考http://bestwisewords.com/document_detail/145025.html。
        // 從環境變量讀取配置的AccessKey ID和AccessKey Secret。運行示例前必須先配置環境變量。    
        $accessKeyId = getenv('ALIBABA_CLOUD_ACCESS_KEY_ID');      
        $accessKeySecret = getenv('ALIBABA_CLOUD_ACCESS_KEY_SECRET');
        $client = self::createClient($accessKeyId, $accessKeySecret);
        $tasks0 = new tasks([ 
            "imageURL" => "http://viapi-test.oss-cn-shanghai.aliyuncs.com/viapi-3.0domepic/ocr/RecognizeQrCode/RecognizeQrCode3.jpg"
        ]);
        $tasks1 = new tasks([
            "imageURL" => "http://viapi-test.oss-cn-shanghai.aliyuncs.com/viapi-3.0domepic/ocr/RecognizeQrCode/RecognizeQrCode4.jpg"
        ]);
        $recognizeQrCodeRequest = new RecognizeQrCodeRequest([
            "tasks" => [
                $tasks0,
                $tasks1
            ]
        ]);
        $runtime = new RuntimeOptions([]);
        try {
            $resp = $client->recognizeQrCodeWithOptions($recognizeQrCodeRequest, $runtime);
            # 獲取整體結果
            echo Utils::toJSONString($resp->body);
        } catch (Exception $exception) {
            # 獲取整體報錯信息
            echo Utils::toJSONString($exception);
            # 獲取單個字段
            echo $exception->getCode();
        }
    }
}
$path = __DIR__ . \DIRECTORY_SEPARATOR . '..' . \DIRECTORY_SEPARATOR . 'vendor' . \DIRECTORY_SEPARATOR . 'autoload.php';
if (file_exists($path)) {
    require_once $path;
}
//$argv是預留的數組入參參數，無實際意義，無需進行修改
RecognizeQrCode::main(array_slice($argv, 1));

Node.js

// 安裝依賴包
// npm install @alicloud/ocr20191230
// 引入SDK
const OcrClient = require('@alicloud/ocr20191230');
const OpenapiClient = require('@alicloud/openapi-client');
const TeaUtil = require('@alicloud/tea-util');

let config = new OpenapiClient.Config({
    // 創建AccessKey ID和AccessKey Secret，請參考http://bestwisewords.com/document_detail/175144.html。
    // 如果您用的是RAM用戶AccessKey，還需要為RAM用戶授予權限AliyunVIAPIFullAccess，請參考http://bestwisewords.com/document_detail/145025.html。
    // 從環境變量讀取配置的AccessKey ID和AccessKey Secret。運行示例前必須先配置環境變量。 
    accessKeyId: process.env.ALIBABA_CLOUD_ACCESS_KEY_ID,   
    accessKeySecret: process.env.ALIBABA_CLOUD_ACCESS_KEY_SECRET
});
// 訪問的域名
config.endpoint = `ocr.cn-shanghai.aliyuncs.com`;
const client = new OcrClient.default(config);
let tasks0 = new OcrClient.RecognizeQrCodeRequestTasks({
  imageURL: "http://viapi-test.oss-cn-shanghai.aliyuncs.com/viapi-3.0domepic/ocr/RecognizeQrCode/RecognizeQrCode3.jpg",
});
let tasks1 = new OcrClient.RecognizeQrCodeRequestTasks({
  imageURL: "http://viapi-test.oss-cn-shanghai.aliyuncs.com/viapi-3.0domepic/ocr/RecognizeQrCode/RecognizeQrCode4.jpg",
});
let recognizeQrCodeRequest = new OcrClient.RecognizeQrCodeRequest({
  tasks: [
    tasks0,
    tasks1
  ],
});
let runtime = new TeaUtil.RuntimeOptions({ });
client.recognizeQrCodeWithOptions(recognizeQrCodeRequest, runtime)
  .then(function(recognizeQrCodeResponse) {
    // 獲取整體結果
    console.log(recognizeQrCodeResponse);
    // 獲取單個字段
    console.log(recognizeQrCodeResponse.body.data);
  }, function(error) {
    // 獲取整體報錯信息
    console.log(error);
    // 獲取單個字段
    console.log(error.data.Code);
  })

/**
依賴github.com/alibabacloud-go/ocr-20191230/v3
建議使用go mod tidy安裝依賴
*/
package main

import (
	"fmt"
	openapi "github.com/alibabacloud-go/darabonba-openapi/v2/client"
	ocr20191230  "github.com/alibabacloud-go/ocr-20191230/v3/client"
	util "github.com/alibabacloud-go/tea-utils/v2/service"
	"github.com/alibabacloud-go/tea/tea"
)

func main() {  
       // 創建AccessKey ID和AccessKey Secret，請參考http://bestwisewords.com/document_detail/175144.html。
       // 如果您用的是RAM用戶的AccessKey，還需要為RAM用戶授予權限AliyunVIAPIFullAccess，請參考http://bestwisewords.com/document_detail/145025.html。
       // 從環境變量讀取配置的AccessKey ID和AccessKey Secret。運行示例前必須先配置環境變量。  
       accessKeyId := os.Getenv("ALIBABA_CLOUD_ACCESS_KEY_ID")  
       accessKeySecret := os.Getenv("ALIBABA_CLOUD_ACCESS_KEY_SECRET")
       // 初始化配置對象 &openapi.Config。Config對象存放AccessKeyId、AccessKeySecret、Endpoint等配置。
	     config := &openapi.Config{
		      AccessKeyId: tea.String(accessKeyId),
		      AccessKeySecret: tea.String(accessKeySecret)
	     }
	// 訪問的域名
	config.Endpoint = tea.String("ocr.cn-shanghai.aliyuncs.com")
	client, err := ocr20191230.NewClient(config)
	if err != nil {
		fmt.Println(err.Error())
	}

	tasks0 := &ocr20191230.RecognizeQrCodeRequestTasks{
		ImageURL: tea.String("http://viapi-test.oss-cn-shanghai.aliyuncs.com/viapi-3.0domepic/ocr/RecognizeQrCode/RecognizeQrCode1.jpg"),
	}
	recognizeQrCodeRequest := &ocr20191230.RecognizeQrCodeRequest{
		Tasks: []*ocr20191230.RecognizeQrCodeRequestTasks{tasks0},
	}
	runtime := &util.RuntimeOptions{}
	recognizeQrCodeResponse, _err := client.RecognizeQrCodeWithOptions(recognizeQrCodeRequest, runtime)
	if _err != nil {
		fmt.Println(_err.Error())
	} else {
		// 獲取整體結果
		fmt.Println(recognizeQrCodeResponse)
		// 獲取單個字段
		fmt.Println(recognizeQrCodeResponse.Body.Data)
	}
}

// 安裝依賴包
// dotnet add package AlibabaCloud.SDK.Ocr20191230
using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Threading.Tasks;
using AlibabaCloud.SDK.Ocr20191230.Models;
using Tea;
using Tea.Utils;

namespace AlibabaCloud.SDK.Sample
{
    public class Sample
    {
        /**
            * 使用AK&SK初始化賬號Client
            * @param accessKeyId
            * @param accessKeySecret
            * @return Client
            * @throws Exception
        */
        public static AlibabaCloud.SDK.Ocr20191230.Client CreateClient(string accessKeyId, string accessKeySecret)
        {
            AlibabaCloud.OpenApiClient.Models.Config config = new AlibabaCloud.OpenApiClient.Models.Config
            {
                AccessKeyId = accessKeyId,
                AccessKeySecret = accessKeySecret,
            };
            // 訪問的域名
            config.Endpoint = "ocr.cn-shanghai.aliyuncs.com";
            return new AlibabaCloud.SDK.Ocr20191230.Client(config);
        }
        public static void Main(string[] args)
        {
            // 創建AccessKey ID和AccessKey Secret，請參考http://bestwisewords.com/document_detail/175144.html
            // 如果您使用的是RAM用戶的AccessKey，還需要為子賬號授予權限AliyunVIAPIFullAccess，請參考http://bestwisewords.com/document_detail/145025.html
            // 從環境變量讀取配置的AccessKey ID和AccessKey Secret。運行代碼示例前必須先配置環境變量。
            AlibabaCloud.SDK.Ocr20191230.Client client = CreateClient(System.Environment.GetEnvironmentVariable("ALIBABA_CLOUD_ACCESS_KEY_ID"), System.Environment.GetEnvironmentVariable("ALIBABA_CLOUD_ACCESS_KEY_SECRET"));
            AlibabaCloud.SDK.Ocr20191230.Models.RecognizeQrCodeRequest.RecognizeQrCodeRequestTasks tasks0 = new AlibabaCloud.SDK.Ocr20191230.Models.RecognizeQrCodeRequest.RecognizeQrCodeRequestTasks
            {
                ImageURL = "http://viapi-test.oss-cn-shanghai.aliyuncs.com/viapi-3.0domepic/ocr/RecognizeQrCode/RecognizeQrCode3.jpg",
            };
            AlibabaCloud.SDK.Ocr20191230.Models.RecognizeQrCodeRequest.RecognizeQrCodeRequestTasks tasks1 = new AlibabaCloud.SDK.Ocr20191230.Models.RecognizeQrCodeRequest.RecognizeQrCodeRequestTasks
            {
                ImageURL = "http://viapi-test.oss-cn-shanghai.aliyuncs.com/viapi-3.0domepic/ocr/RecognizeQrCode/RecognizeQrCode4.jpg",
            };
            AlibabaCloud.SDK.Ocr20191230.Models.RecognizeQrCodeRequest recognizeQrCodeRequest = new AlibabaCloud.SDK.Ocr20191230.Models.RecognizeQrCodeRequest
            {
                Tasks = new List<AlibabaCloud.SDK.Ocr20191230.Models.RecognizeQrCodeRequest.RecognizeQrCodeRequestTasks>
                {
                    tasks0,
                    tasks1
                },
            };
            AlibabaCloud.TeaUtil.Models.RuntimeOptions runtime = new AlibabaCloud.TeaUtil.Models.RuntimeOptions();
            try
            {
                AlibabaCloud.SDK.Ocr20191230.Models.RecognizeQrCodeResponse recognizeQrCodeResponse = client.RecognizeQrCodeWithOptions(recognizeQrCodeRequest, runtime);
                // 獲取整體結果
                Console.WriteLine(AlibabaCloud.TeaUtil.Common.ToJSONString(recognizeQrCodeResponse.Body));
                // 獲取單個字段
                Console.WriteLine(AlibabaCloud.TeaUtil.Common.ToJSONString(recognizeQrCodeResponse.Body.Data));
            }
            catch (TeaException error)
            {
                // 如有需要，請打印 error
                Console.WriteLine(AlibabaCloud.TeaUtil.Common.AssertAsString(error.Message));
            }
            catch (Exception _error)
            {
                TeaException error = new TeaException(new Dictionary<string, object>
              {
                { "message", _error.Message }
              });
                // 如有需要，請打印 error
                Console.WriteLine(AlibabaCloud.TeaUtil.Common.AssertAsString(error.Message));
            }
        }
    }
}

文件在本地或可訪問的URL

Java

/*
引入依賴包
<!-- https://mvnrepository.com/artifact/com.aliyun/ocr20191230 -->
<dependency>
      <groupId>com.aliyun</groupId>
      <artifactId>ocr20191230</artifactId>
      <version>${aliyun.ocr.version}</version>
</dependency>
*/

import com.aliyun.ocr20191230.models.RecognizeQrCodeResponse;
import com.aliyun.tea.TeaException;
import com.aliyun.tea.TeaModel;

import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.net.URL;

public class RecognizeQrCode {

    public static com.aliyun.ocr20191230.Client createClient(String accessKeyId, String accessKeySecret) throws Exception {
        /*
          初始化配置對象com.aliyun.teaopenapi.models.Config
          Config對象存放 AccessKeyId、AccessKeySecret、endpoint等配置
         */
         com.aliyun.teaopenapi.models.Config config = new com.aliyun.teaopenapi.models.Config()
                .setAccessKeyId(accessKeyId)
                .setAccessKeySecret(accessKeySecret);
        // 訪問的域名
        config.endpoint = "ocr.cn-shanghai.aliyuncs.com";
        return new com.aliyun.ocr20191230.Client(config);
    }

    public static void main(String[] args) throws Exception {
        // 創建AccessKey ID和AccessKey Secret，請參見：http://bestwisewords.com/document_detail/175144.html
        // 如果您使用的是RAM用戶的AccessKey，還需要為子賬號授予權限AliyunVIAPIFullAccess，請參見：http://bestwisewords.com/document_detail/145025.html
        // 從環境變量讀取配置的AccessKey ID和AccessKey Secret。運行代碼示例前必須先配置環境變量。
        String accessKeyId = System.getenv("ALIBABA_CLOUD_ACCESS_KEY_ID");
        String accessKeySecret = System.getenv("ALIBABA_CLOUD_ACCESS_KEY_SECRET"); 
        com.aliyun.ocr20191230.Client client = RecognizeQrCode.createClient(accessKeyId, accessKeySecret);
        // 場景一，使用本地文件
        InputStream inputStream0 = new FileInputStream(new File("/tmp/RecognizeQrCode1.jpg"));
        com.aliyun.ocr20191230.models.RecognizeQrCodeAdvanceRequest.RecognizeQrCodeAdvanceRequestTasks tasks0 = new com.aliyun.ocr20191230.models.RecognizeQrCodeAdvanceRequest.RecognizeQrCodeAdvanceRequestTasks()
                .setImageURLObject(inputStream0);
        // 場景二，使用任意可訪問的url
        URL url = new URL("https://viapi-test-bj.oss-cn-beijing.aliyuncs.com/viapi-3.0domepic/ocr/RecognizeQrCode/RecognizeQrCode3.jpg");
        InputStream inputStream1 = url.openConnection().getInputStream();
        com.aliyun.ocr20191230.models.RecognizeQrCodeAdvanceRequest.RecognizeQrCodeAdvanceRequestTasks tasks1 = new com.aliyun.ocr20191230.models.RecognizeQrCodeAdvanceRequest.RecognizeQrCodeAdvanceRequestTasks()
                .setImageURLObject(inputStream1);
        com.aliyun.ocr20191230.models.RecognizeQrCodeAdvanceRequest recognizeQrCodeAdvanceRequest = new com.aliyun.ocr20191230.models.RecognizeQrCodeAdvanceRequest()
                .setTasks(java.util.Arrays.asList(
                        tasks0, tasks1
                ));
        com.aliyun.teautil.models.RuntimeOptions runtime = new com.aliyun.teautil.models.RuntimeOptions();
        try {
            // 復制代碼運行請自行打印 API 的返回值
            RecognizeQrCodeResponse response = client.recognizeQrCodeAdvance(recognizeQrCodeAdvanceRequest, runtime);
            System.out.println(com.aliyun.teautil.Common.toJSONString(TeaModel.buildMap(response)));
        } catch (TeaException error) {
            // 獲取整體報錯信息
            System.out.println(com.aliyun.teautil.Common.toJSONString(error));
            // 獲取單個字段
            System.out.println(error.getCode());
        }
    }
}

Python

# -*- coding: utf-8 -*-
# 引入依賴包
# pip install alibabacloud_ocr20191230

import os
import io
from urllib.request import urlopen
from alibabacloud_ocr20191230.client import Client
from alibabacloud_ocr20191230.models import RecognizeQrCodeAdvanceRequestTasks, RecognizeQrCodeAdvanceRequest
from alibabacloud_tea_openapi.models import Config
from alibabacloud_tea_util.models import RuntimeOptions

config = Config(
    # 創建AccessKey ID和AccessKey Secret，請參考http://bestwisewords.com/document_detail/175144.html。
    # 如果您用的是RAM用戶的AccessKey，還需要為RAM用戶授予權限AliyunVIAPIFullAccess，請參考http://bestwisewords.com/document_detail/145025.html。
    # 從環境變量讀取配置的AccessKey ID和AccessKey Secret。運行代碼示例前必須先配置環境變量。
    access_key_id=os.environ.get('ALIBABA_CLOUD_ACCESS_KEY_ID'),
    access_key_secret=os.environ.get('ALIBABA_CLOUD_ACCESS_KEY_SECRET'),
    # 訪問的域名
    endpoint='ocr.cn-shanghai.aliyuncs.com',
    # 訪問的域名對應的region
    region_id='cn-shanghai'
)
#場景一：文件在本地
stream0 = open(r'/tmp/RecognizeQrCode3.jpg', 'rb')
tasks_0 = RecognizeQrCodeAdvanceRequestTasks()
tasks_0.image_urlobject = stream0
#場景二：使用任意可訪問的url
url1 = 'https://viapi-test-bj.oss-cn-beijing.aliyuncs.com/viapi-3.0domepic/ocr/RecognizeQrCode/RecognizeQrCode4.jpg'
img1 = urlopen(url1).read()
tasks_1 = RecognizeQrCodeAdvanceRequestTasks()
tasks_1.image_urlobject = io.BytesIO(img1)

recognize_qr_code_request = RecognizeQrCodeAdvanceRequest(
    tasks=[
        tasks_0,
        tasks_1
    ]
)
runtime = RuntimeOptions()
try:
    # 初始化Client
    client = Client(config)
    response = client.recognize_qr_code_advance(recognize_qr_code_request, runtime)
    # 獲取整體結果
    print(response.body)
except Exception as error:
    # 獲取整體報錯信息
    print(error)
    # 獲取單個字段
    print(error.code)
    # tips: 可通過error.__dict__查看屬性名稱

PHP

<?php

//安裝依賴包
//composer require alibabacloud/ocr-20191230
  
use AlibabaCloud\SDK\Ocr\V20191230\Ocr;
use AlibabaCloud\Tea\Utils\Utils;
use \Exception;
use Darabonba\OpenApi\Models\Config;
use AlibabaCloud\SDK\Ocr\V20191230\Models\RecognizeQrCodeAdvanceRequest\tasks;
use AlibabaCloud\SDK\Ocr\V20191230\Models\RecognizeQrCodeAdvanceRequest;
use AlibabaCloud\Tea\Utils\Utils\RuntimeOptions;
use GuzzleHttp\Psr7\Stream;

class RecognizeQrCodeAdvance {

    /**
     * 使用AK&SK初始化賬號Client
     * @param string $accessKeyId
     * @param string $accessKeySecret
     * @return Ocr Client
     */
    public static function createClient($accessKeyId, $accessKeySecret){
        //初始化配置對象Darabonba\OpenApi\Models\Config。
        //Config對象存放accessKeyId、accessKeySecret、endpoint等配置
        $config = new Config([
            "accessKeyId" => $accessKeyId,
            "accessKeySecret" => $accessKeySecret
        ]);
        // 訪問的域名
        $config->endpoint = "ocr.cn-shanghai.aliyuncs.com";
        return new Ocr($config);
    }
    /**
     * @param string[] $args
     * @return void
     */
    public static function main($args){
        // 創建AccessKey ID和AccessKey Secret，請參考http://bestwisewords.com/document_detail/175144.html。
        // 如果您用的是RAM用戶的AccessKey，還需要為RAM用戶授予權限AliyunVIAPIFullAccess，請參考http://bestwisewords.com/document_detail/145025.html。
        // 從環境變量讀取配置的AccessKey ID和AccessKey Secret。運行示例前必須先配置環境變量。    
        $accessKeyId = getenv('ALIBABA_CLOUD_ACCESS_KEY_ID');      
        $accessKeySecret = getenv('ALIBABA_CLOUD_ACCESS_KEY_SECRET');
        $client = self::createClient($accessKeyId, $accessKeySecret);
        // 場景一，使用本地文件
        $file0 = fopen('/tmp/RecognizeQrCode3.jpg', 'rb');
        $stream0 = new Stream($file0);
        // 場景二，使用任意可訪問的url
        $file1 = fopen('https://viapi-test-bj.oss-cn-beijing.aliyuncs.com/viapi-3.0domepic/ocr/RecognizeQrCode/RecognizeQrCode4.jpg', 'rb');
        $stream1 = new Stream($file1);
        $tasks0 = new tasks([ 
            "imageURLObject" => $stream0
        ]);
        $tasks1 = new tasks([
            "imageURLObject" => $stream1
        ]);
        $recognizeQrCodeAdvanceRequest = new RecognizeQrCodeAdvanceRequest([
            "tasks" => [
                $tasks0,
                $tasks1
            ]
        ]);
        $runtime = new RuntimeOptions([]);
        try {
            $resp = $client->recognizeQrCodeAdvance($recognizeQrCodeAdvanceRequest, $runtime);
            # 獲取整體結果
            echo Utils::toJSONString($resp->body);
        } catch (Exception $exception) {
            # 獲取整體報錯信息
            echo Utils::toJSONString($exception);
            # 獲取單個字段
            echo $exception->getCode();
        }
    }
}
$path = __DIR__ . \DIRECTORY_SEPARATOR . '..' . \DIRECTORY_SEPARATOR . 'vendor' . \DIRECTORY_SEPARATOR . 'autoload.php';
if (file_exists($path)) {
    require_once $path;
}
//$argv是預留的數組入參參數，無實際意義，無需進行修改
RecognizeQrCodeAdvance::main(array_slice($argv, 1));

Node.js

// 安裝依賴包
// npm install @alicloud/ocr20191230
const OcrClient = require('@alicloud/ocr20191230');
const OpenapiClient = require('@alicloud/openapi-client');
const TeaUtil = require('@alicloud/tea-util');
const fs = require('fs');
const http = require('http');
const https = require('https');

let config = new OpenapiClient.Config({
    // 創建AccessKey ID和AccessKey Secret，請參考http://bestwisewords.com/document_detail/175144.html。
    // 如果您用的是RAM用戶AccessKey，還需要為RAM用戶授予權限AliyunVIAPIFullAccess，請參考http://bestwisewords.com/document_detail/145025.html。
    // 從環境變量讀取配置的AccessKey ID和AccessKey Secret。運行示例前必須先配置環境變量。 
    accessKeyId: process.env.ALIBABA_CLOUD_ACCESS_KEY_ID,   
    accessKeySecret: process.env.ALIBABA_CLOUD_ACCESS_KEY_SECRET
});
// 訪問的域名
config.endpoint = `ocr.cn-shanghai.aliyuncs.com`;
const client = new OcrClient.default(config);
const getResponse = function (httpClient, url) {
  return new Promise((resolve, reject) => {
    httpClient.get(url, function (response) {
      resolve(response);
    })
  })
}
const request = async function () {
  try {
    // 場景一，使用本地文件
    const fileStream = fs.createReadStream('/tmp/RecognizeQrCode3.jpg');
    let tasks0 = new OcrClient.RecognizeQrCodeAdvanceRequestTasks();
    tasks0.imageURLObject = fileStream;
    // 場景二，使用任意可訪問的url
    const url = new URL("https://viapi-test-bj.oss-cn-beijing.aliyuncs.com/viapi-3.0domepic/ocr/RecognizeQrCode/RecognizeQrCode4.jpg");
    let const httpClient = (url.protocol == "https:") ? https : http;
    let tasks1 = new OcrClient.RecognizeQrCodeAdvanceRequestTasks();
    tasks1.imageURLObject = await getResponse(httpClient, url);
    let recognizeQrCodeAdvanceRequest = new OcrClient.RecognizeQrCodeAdvanceRequest({
      tasks: [
        tasks0,
        tasks1
      ],
    });
    let runtime = new TeaUtil.RuntimeOptions({});
    client.recognizeQrCodeAdvance(recognizeQrCodeAdvanceRequest, runtime)
      .then(function (recognizeQrCodeResponse) {
        // 獲取整體結果
        console.log(recognizeQrCodeResponse);
        // 獲取單個字段
        console.log(recognizeQrCodeResponse.body.data);
      }, function (error) {
        // 獲取整體報錯信息
        console.log(error);
        // 獲取單個字段
        console.log(error.data.Code);
      })
  } catch (error) {
    console.log(error);
  }
}();

/**
依賴github.com/alibabacloud-go/ocr-20191230/v3
建議使用go mod tidy安裝依賴
*/
package main

import (
	"fmt"
	openapi "github.com/alibabacloud-go/darabonba-openapi/v2/client"
	ocr20191230  "github.com/alibabacloud-go/ocr-20191230/v3/client"
	util "github.com/alibabacloud-go/tea-utils/v2/service"
	"github.com/alibabacloud-go/tea/tea"
	"net/http"
	"os"
)

func main() {  
       // 創建AccessKey ID和AccessKey Secret，請參考http://bestwisewords.com/document_detail/175144.html。
       // 如果您用的是RAM用戶的AccessKey，還需要為RAM用戶授予權限AliyunVIAPIFullAccess，請參考http://bestwisewords.com/document_detail/145025.html。
       // 從環境變量讀取配置的AccessKey ID和AccessKey Secret。運行示例前必須先配置環境變量。  
       accessKeyId := os.Getenv("ALIBABA_CLOUD_ACCESS_KEY_ID")  
       accessKeySecret := os.Getenv("ALIBABA_CLOUD_ACCESS_KEY_SECRET")
       // 初始化配置對象 &openapi.Config。Config對象存放AccessKeyId、AccessKeySecret、Endpoint等配置。
	     config := &openapi.Config{
		       AccessKeyId: tea.String(accessKeyId),
		       AccessKeySecret: tea.String(accessKeySecret)
	      }
	// 訪問的域名
	config.Endpoint = tea.String("ocr.cn-shanghai.aliyuncs.com")
	client, err := ocr20191230.NewClient(config)
	if err != nil {
		fmt.Println(err.Error())
	}

	// 場景一，使用本地文件
	file, err := os.Open("/tmp/RecognizeQrCode1.jpg")
	if err != nil {
		fmt.Println("can not open file", err)
	}
	tasks0 := &ocr20191230.RecognizeQrCodeAdvanceRequestTasks{
		ImageURLObject: file,
	}
	// 場景二，使用任意可訪問的url
	httpClient := http.Client{}
	file1, _ := httpClient.Get("https://viapi-test-bj.oss-cn-beijing.aliyuncs.com/viapi-3.0domepic/ocr/RecognizeQrCode/RecognizeQrCode3.jpg")
	tasks1 := &ocr20191230.RecognizeQrCodeAdvanceRequestTasks{
		ImageURLObject: file1.Body,
	}
	recognizeQrCodeAdvanceRequest := &ocr20191230.RecognizeQrCodeAdvanceRequest{
		Tasks: []*ocr20191230.RecognizeQrCodeAdvanceRequestTasks{tasks0, tasks1},
	}
	runtime := &util.RuntimeOptions{}
	recognizeQrCodeResponse, _err := client.RecognizeQrCodeAdvance(recognizeQrCodeAdvanceRequest, runtime)
	if _err != nil {
		fmt.Println(_err.Error())
	} else {
		// 獲取整體結果
		fmt.Println(recognizeQrCodeResponse)
		// 獲取單個字段
		fmt.Println(recognizeQrCodeResponse.Body.Data)
	}
}

// 安裝依賴包
// dotnet add package AlibabaCloud.SDK.Ocr20191230
using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Threading.Tasks;
using AlibabaCloud.SDK.Ocr20191230.Models;
using Tea;
using Tea.Utils;

namespace AlibabaCloud.SDK.Sample
{
    public class Sample
    {
        /**
            * 使用AK&SK初始化賬號Client
            * @param accessKeyId
            * @param accessKeySecret
            * @return Client
            * @throws Exception
        */
        public static AlibabaCloud.SDK.Ocr20191230.Client CreateClient(string accessKeyId, string accessKeySecret)
        {
            AlibabaCloud.OpenApiClient.Models.Config config = new AlibabaCloud.OpenApiClient.Models.Config
            {
                AccessKeyId = accessKeyId,
                AccessKeySecret = accessKeySecret,
            };
            // 訪問的域名
            config.Endpoint = "ocr.cn-shanghai.aliyuncs.com";
            return new AlibabaCloud.SDK.Ocr20191230.Client(config);
        }
        public static void Main(string[] args)
        {
            // 創建AccessKey ID和AccessKey Secret，請參考http://bestwisewords.com/document_detail/175144.html
            // 如果您使用的是RAM用戶的AccessKey，還需要為子賬號授予權限AliyunVIAPIFullAccess，請參考http://bestwisewords.com/document_detail/145025.html
            // 從環境變量讀取配置的AccessKey ID和AccessKey Secret。運行代碼示例前必須先配置環境變量。
            AlibabaCloud.SDK.Ocr20191230.Client client = CreateClient(System.Environment.GetEnvironmentVariable("ALIBABA_CLOUD_ACCESS_KEY_ID"), System.Environment.GetEnvironmentVariable("ALIBABA_CLOUD_ACCESS_KEY_SECRET"));
            AlibabaCloud.SDK.Ocr20191230.Models.RecognizeQrCodeAdvanceRequest.RecognizeQrCodeAdvanceRequestTasks tasks0 = new AlibabaCloud.SDK.Ocr20191230.Models.RecognizeQrCodeAdvanceRequest.RecognizeQrCodeAdvanceRequestTasks
            ();
            AlibabaCloud.SDK.Ocr20191230.Models.RecognizeQrCodeAdvanceRequest.RecognizeQrCodeAdvanceRequestTasks tasks1 = new AlibabaCloud.SDK.Ocr20191230.Models.RecognizeQrCodeAdvanceRequest.RecognizeQrCodeAdvanceRequestTasks
            ();
            // 場景一，使用本地文件
            System.IO.StreamReader file = new System.IO.StreamReader(@"/tmp/RecognizeQrCode3.jpg");
            tasks0.ImageURLObject = file.BaseStream;

            // 場景二，使用任意可訪問的url
            HttpWebRequest request = (HttpWebRequest)WebRequest.Create("https://viapi-test-bj.oss-cn-beijing.aliyuncs.com/viapi-3.0domepic/ocr/RecognizeQrCode/RecognizeQrCode4.jpg");
            WebResponse response = request.GetResponse();
            Stream stream = response.GetResponseStream();
            tasks1.ImageURLObject = stream;
            AlibabaCloud.SDK.Ocr20191230.Models.RecognizeQrCodeAdvanceRequest recognizeQrCodeAdvanceRequest = new AlibabaCloud.SDK.Ocr20191230.Models.RecognizeQrCodeAdvanceRequest
            {
                Tasks = new List<AlibabaCloud.SDK.Ocr20191230.Models.RecognizeQrCodeAdvanceRequest.RecognizeQrCodeAdvanceRequestTasks>
                {
                    tasks0,
                    tasks1
                },
            };
            AlibabaCloud.TeaUtil.Models.RuntimeOptions runtime = new AlibabaCloud.TeaUtil.Models.RuntimeOptions();
            try
            {
                AlibabaCloud.SDK.Ocr20191230.Models.RecognizeQrCodeResponse recognizeQrCodeResponse = client.RecognizeQrCodeAdvance(recognizeQrCodeAdvanceRequest, runtime);
                // 獲取整體結果
                Console.WriteLine(AlibabaCloud.TeaUtil.Common.ToJSONString(recognizeQrCodeResponse.Body));
                // 獲取單個字段
                Console.WriteLine(AlibabaCloud.TeaUtil.Common.ToJSONString(recognizeQrCodeResponse.Body.Data));
            }
            catch (TeaException error)
            {
                // 如有需要，請打印 error
                Console.WriteLine(AlibabaCloud.TeaUtil.Common.AssertAsString(error.Message));
            }
            catch (Exception _error)
            {
                TeaException error = new TeaException(new Dictionary<string, object>
              {
                { "message", _error.Message }
              });
                // 如有需要，請打印 error
                Console.WriteLine(AlibabaCloud.TeaUtil.Common.AssertAsString(error.Message));
            }
        }
    }
}

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能力介紹

SDK包安裝

配置環境變量

示例代碼

文件在上海地域OSS

文件在本地或可訪問的URL