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Update chaoxing_ocr.js

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This commit is contained in:
Yuki Kikuchi
2022-05-12 09:22:29 +08:00
committed by GitHub
parent 0826850cff
commit 0171b171b3
1 changed files with 27 additions and 7 deletions
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34
chaoxing_ocr.js
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@@ -8,7 +8,7 @@
// @grant GM_xmlhttpRequest
// @grant GM_setClipboard
// @grant unsafeWindow
// @require https://cdn.jsdelivr.net/npm/dom-to-image@2.6.0/dist/dom-to-image.min.js
// @require https://unpkg.com/dom-to-image@2.6.0/dist/dom-to-image.min.js
// @match https://mooc1.chaoxing.com/work/doHomeWorkNew*
// @run-at document-end
// ==/UserScript==
@@ -20,7 +20,7 @@ function geneFunction(ocrEnabled, encText) {
return 'var ocrEnabled = ' + ocrEnabled + ',' +
'encText = ' + encText + ';' +
// 获取图片 ID 存入数组，然后开始 OCR
`var quizImg=document.querySelectorAll('img[alt="chaoxing_nmsl"]');quizImg.forEach(function(e,t,n){encText[t].innerText="正在修复乱码问题以便后续搜题，请稍候..."});var imgList=[];setTimeout(function(){for(var e=document.querySelectorAll('img[alt="chaoxing_nmsl"]'),t=0;t<e.length;t++)imgList.push(t);if(0<imgList.length){async function n(){for(var e in imgList){var{data:{text:t}}=await async function(e){return await Tesseract.recognize(e,"eng+chi_sim")}(document.querySelectorAll('img[alt="chaoxing_nmsl"]')[e].src);encText[e].innerText=t,encText[e].style.color="black",console.log(t)}}n()}},2e3);`;
`var quizImg=document.querySelectorAll('img[alt="chaoxing_nmsl"]');quizImg.forEach(function(e,t,n){encText[t].innerText="正在修复乱码问题以便后续搜题，请稍候..."});var imgList=[];setTimeout(function(){for(var e=document.querySelectorAll('img[alt="chaoxing_nmsl"]'),t=0;t<e.length;t++)imgList.push(t);if(0<imgList.length){var n=-1<window.navigator.userAgent.indexOf("Edge")?"https://unpkg.com/tesseract.js-core@latest/tesseract-core.asm.js":"https://unpkg.com/tesseract.js-core@latest/tesseract-core.wasm.js",c=-1<window.navigator.userAgent.indexOf("Edge")?"false":"true";async function a(){for(var e in imgList){var{data:{text:t}}=await async function(e){return await Tesseract.recognize(e,"eng+chi_sim",{corePath:n,cacheMethod:c})}(document.querySelectorAll('img[alt="chaoxing_nmsl"]')[e].src);encText[e].innerText=t,encText[e].style.color="black",console.log(t)}}a()}},2e3);`;
// 未压缩代码
/*
@@ -29,16 +29,21 @@ var quizImg = document.querySelectorAll('img[alt="chaoxing_nmsl"]');
quizImg.forEach(function(item, index, arr) {
encText[index].innerText = '正在修复乱码问题以便后续搜题，请稍候...';
});
// 获取图片 ID 存入数组
var imgList = [];
// 启动 OCR
setTimeout(function() {
var imgTag = document.querySelectorAll('img[alt="chaoxing_nmsl"]');
for (var i = 0; i < imgTag.length; i++) {
imgList.push(i);
}
if (imgList.length > 0) {
var corePath = window.navigator.userAgent.indexOf("Edge") > -1 ?
'https://unpkg.com/tesseract.js-core@latest/tesseract-core.asm.js' :
'https://unpkg.com/tesseract.js-core@latest/tesseract-core.wasm.js';
var cacheEnabled = window.navigator.userAgent.indexOf("Edge") > -1 ?
'false' :
'true';
async function displayText() {
for (var img in imgList) {
const {
@@ -52,7 +57,12 @@ setTimeout(function() {
}
}
async function recText(img) {
return await Tesseract.recognize(img, 'eng+chi_sim');
return await Tesseract.recognize(
img,
'eng+chi_sim', {
corePath: corePath,
cacheMethod: cacheEnabled
});
}
displayText();
}
@@ -63,8 +73,18 @@ setTimeout(function() {
function prettyText() {
var _encText = document.getElementsByClassName('font-cxsecret');
if (_encText) {
// 透过正则纠正一部分字符串，提高题目匹配成功率
[].forEach.call(_encText, function(item, index, arr) {
arr[index].innerText = arr[index].innerText.replace(/[\r\n]/g, '').replace(/\ +/g, '').replace(/\[/g, '【').replace(/\]/g, '】');
// 移除空格和换行
arr[index].innerText = arr[index].innerText.replace(/[\r\n]/g, '').replace(/\ +/g, '');
// 半角符号转全角
arr[index].innerText = arr[index].innerText.replace(/\[/g, '【').replace(/\]/g, '】');
// 碰到两个相同方向双引号，则替换为「“”」
//arr[index].innerText = arr[index].innerText.replace(/(?<=“).*?(?=“)/, '“$2”');
// 句号误判为 o，自动转句号
//arr[index].innerText = arr[index].innerText.replace(/(.{3}$)/g, arr[index].innerText.match(/(.{3}$)/g)[0].replace(/o/g, '。'));
// 显示最终结果
arr[index].innerText = arr[index].innerText;
});
}
return prettyText;
@@ -133,7 +153,7 @@ if (document.getElementsByClassName('font-cxsecret')[0]) {
var pageHead = document.getElementsByTagName('head')[0],
importOcr = document.createElement('script'),
extScript = document.createElement('script');
importOcr.src = 'https://cdnjs.cloudflare.com/ajax/libs/tesseract.js/2.1.5/tesseract.min.js';
importOcr.src = 'https://unpkg.com/tesseract.js@2.1.5/dist/tesseract.min.js';
pageHead.appendChild(importOcr);
// 生成内联函数并执行 OCR 识别任务
extScript.innerText = geneFunction(ocrEnabled, encText);