前端开发攻略---前端ocr图片文字提取功能
1、引入资源
通过链接引用
<script src="https://cdn.bootcdn.net/ajax/libs/tesseract.js/5.1.0/tesseract.min.js"></script>npm或其他方式下载
npm i tesseract
2、示例
<!DOCTYPE html>
<html lang="en"><head><meta charset="UTF-8" /><meta name="viewport" content="width=device-width, initial-scale=1.0" /><title>Document</title></head><script src="https://cdn.bootcdn.net/ajax/libs/tesseract.js/5.1.0/tesseract.min.js"></script><body><img src="./en.png" alt="" /><button onclick="orcBtn1()">识别英文</button><hr /><img src="./zn.png" alt="" /><button onclick="orcBtn2()">识别中文</button><hr /><img src="./1.png" alt="" /><button onclick="orcBtn3()">识别中英文</button><hr /></body><script>const btn = document.querySelector('button')function orcBtn1() {Tesseract.recognize('./en.png').then(res => {console.log(res.data.text)})}function orcBtn2() {Tesseract.recognize('./zn.png', 'chi_sim').then(res => {console.log(res.data.text)})}function orcBtn3() {Tesseract.recognize('./1.png', 'eng+chi_sim').then(res => {console.log(res.data.text)})}</script>
</html>