aliyun_ocr_sdk

Description:

aliyun ocr sdk

A sdk tool for developers use functions of aliyun OCR text recognition
in the dart language for flutter framework.
Features #
This package supports users skip the process of generating the signature to use
the aliyun OCR text recognition api with HTTP by uploading the image's url in web.
This package supports old and new version of aliyun OCR Method, the old one is Ok
but the new one only support using the url format image but not the binary image.

aliyun_ocr_homepage
aliyun signature page

Old Method #
It's Ok
New Method #
NOTES: In some reason, I can not upload my image with the HTTP ERROR 503.
After consulting the engineers from aliyun,they tell me to debug
other framework sdk such as JAVA to find some way and refuse to
show me how to put my image binary file into the http body.
Getting started #
This package needs user have the aliyun accessKeyId and accessKeySecret.
Your should login in the website of the aliyun and follow this approach:

User's image


AccessKey Management

Usage #

/// 1.1 Input Your appcode
aliYunSdkOld.appCode = "YourappCode";
aliYunSdkOld.generateHeaders();

print(aliYunSdkOld.headers);

/// 1.2 Input ImgUrl
aliYunSdkOld.imgUrl = "https://img.alicdn.com/tfs/TB1Wo7eXAvoK1RjSZFDXXXY3pXa-2512-3509.jpg";
aliYunSdkOld.generateBodyWithImg();

/// 1.2 Or Input Img binary
final value = File("bin/1.png");
var bytes =await value.readAsBytes();
aliYunSdkOld.imgBinary = bytes.buffer.asUint8List();
aliYunSdkOld.generateBodyWithImg();

/// 2. New Method OCR
var aliYunSdkNew = aliYunOcrClientNew();

/// 2.1 Input Your accessKey
aliYunSdkNew.accessKeyId = "YouraccessKeyId";
aliYunSdkNew.accessKeySecret = "YouraccessKeySecret";

/// 2.2 Input imgUrl
aliYunSdkNew.imgUrl =
"https://img.alicdn.com/tfs/TB1Wo7eXAvoK1RjSZFDXXXY3pXa-2512-3509.jpg";

aliYunSdkNew.queries['AccessKeyId'] = aliYunSdkNew.accessKeyId;
aliYunSdkNew.queries['Url'] = aliYunSdkNew.imgUrl;

/// 2.3 Generate Signature and update the queries
aliYunSdkNew.generateSignature(
accessKeySecret: aliYunSdkNew.accessKeySecret,
queries: aliYunSdkNew.queries,
method: "POST",
);
copied to clipboard
Additional information #
Some issues can be submitted into My Homepage
This package has been published in pub.dev website, here is the link aliyun_ocr_sdk 1.0.0