无法正常工作"/>
操纵符在单击按钮时无法正常工作
[我的问题是,我需要将评论选择器设置为“所有评论”,但该伪造者单击正确的按钮“所有评论”后,评论不会呈现,评论部分消失了,我将提供运行中的浏览器的代码和视频。
const $ = require('cheerio');
const puppeteer = require('puppeteer');
const url = '/';
const main = async () => {
const browser = await puppeteer.launch({
headless: false,
args: ['--no-sandbox', '--disable-setuid-sandbox']
});
const page = await browser.newPage();
await page.setViewport({
width: 1920,
height: 1080
});
await page.goto(url, {
waitUntil: 'networkidle2',
timeout: 0
});
page.mouse.click(50, 540, {});
for (var a = 0; a < 18; a++) {
setTimeout(() => {}, 16);
await page.keyboard.press('ArrowDown');
}
let bodyHTML = await page.evaluate(() => document.body.innerHTML);
var id = "#" + $("._427x ._4-u2.mbm._4mrt", bodyHTML).attr('id'); // selects id of first post
try {
var exp = await page.$(`${id} a._21q1`); // clicks on "most relevant" from the first post
await exp.evaluate(exp => exp.click());
await page.click('div[data-ordering="RANKED_UNFILTERED"]'); // selects "all the comments"
var exp = await page.$(`${id} a._42ft`); // should click on "more comments" but it doesn't load
await exp.evaluate(exp => exp.click());
await page.waitForSelector(`${id} a._5v47.fss`); // wait for the "others" in facebook comments
var exp = await page.$$(`${id} a._5v47.fss`);
await exp.evaluate(exp => exp.click());
await page.screenshot({
path: "./srn4.png"
});
// var post = await page.$eval(id + " .userContentWrapper", el => el.innerHTML);
// console.log("that's the post " + post);
} catch (e) {
console.log(e);
}
setTimeout(async function() {
await browser.close(); //close after some time
}, 1500);
};
main();
这是完整执行过程的视频:,这是一个慢动作:
回答如下:page.mouse.click(50, 540, {});
这不一定行得通。您要点击什么?您需要使用CSS选择器来查找要单击的元素。
更多推荐
操纵符在单击按钮时无法正常工作
发布评论