我正在尝试在一个站点中自动填写表单。但问题是,该网站有验证码。那么,有没有什么方法可以让我在显示登录页面时,在命令提示符下手动输入验证码,例如 C# 中的 Console.ReadLine();
。 puppeteer中有类似的功能吗?
这是我的代码:
const puppeteer = require('puppeteer');
(async () => {
const browser = await puppeteer.launch({headless: false});
const page = await browser.newPage();
await page.setViewport({ width: 1366, height: 768});
await page.goto('https://www.irctc.co.in/nget/train-search');
await page.click('#loginText');
await page.type('#userId','xxxxxx');
await page.type('#pwd','xxxxxx');
await page.screenshot({path: 'varanjith.png'});
})();
屏幕截图:
最佳答案
如果想在命令行输入验证码,可以使用内置的readline
模块
const puppeteer = require('puppeteer');
const readline = require('readline');
async function readLine() {
const rl = readline.createInterface({
input: process.stdin,
output: process.stdout
});
return new Promise(resolve => {
rl.question('Enter captcha: ', (answer) => {
rl.close();
resolve(answer)
});
})
}
(async () => {
const browser = await puppeteer.launch({headless: false});
const page = await browser.newPage();
await page.setViewport({ width: 1366, height: 768});
await page.goto('https://www.irctc.co.in/nget/train-search');
await page.click('#loginText');
await page.type('#userId','xxxxxx');
await page.type('#pwd','xxxxxx');
const captcha = await readLine();
await page.type('#nlpAnswer', captcha)
await page.screenshot({path: 'varanjith.png'});
})();
<小时/>
原始答案:
如果您想在 UI 中输入验证码,并在填充完毕后继续使用脚本,您可以使用: page.waitForFunction
const puppeteer = require('puppeteer');
(async () => {
const browser = await puppeteer.launch({headless: false});
const page = await browser.newPage();
await page.setViewport({ width: 1366, height: 768});
await page.goto('https://www.irctc.co.in/nget/train-search');
await page.click('#loginText');
await page.type('#userId','xxxxxx');
await page.type('#pwd','xxxxxx');
console.log('Waiting for captcha');
await page.waitForFunction(() => {
const captchaInput = document.getElementById('nlpAnswer');
return captchaInput &&
captchaInput.value &&
captchaInput !== document.activeElement
})
console.log('Captcha filled');
await page.screenshot({path: 'varanjith.png'});
})();
分割:
该特定页面中的验证码输入为:
'nlpAnswer'
const captchaInput = document.getElementById('nlpAnswer');
- 等到
captchaInput
可用,它有值(value)并且不再集中
return captchaInput &&
captchaInput.value &&
captchaInput !== document.activeElement
关于node.js - 运行 puppeteer 时输入文本,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/58999602/