80 lines
3.1 KiB
JavaScript
80 lines
3.1 KiB
JavaScript
import { chromium } from '@playwright/test'
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/**
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* 真正的滚动场景复现：行数固定（多到溢出），容器高度在「行高之和」附近连续变化。
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* 这才是用户说的「表格高度 <= 行高之和」——内容溢出并出现滚动条。
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*/
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const BASE = process.env.PROBE_URL || 'http://localhost:5200'
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const browser = await chromium.launch()
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const page = await browser.newPage({ viewport: { width: 1400, height: 1200 } })
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await page.goto(BASE, { waitUntil: 'networkidle' })
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const clipSample = async (x, y, w, h) => {
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const shot = await page.screenshot({ clip: { x, y, width: w, height: h } })
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return page.evaluate(async (dataUrl) => {
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const img = new Image()
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await new Promise((res) => {
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img.onload = res
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img.src = dataUrl
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})
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const cv = document.createElement('canvas')
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cv.width = img.width
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cv.height = img.height
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const ctx = cv.getContext('2d')
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ctx.drawImage(img, 0, 0)
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const d = ctx.getImageData(0, 0, img.width, img.height).data
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const out = []
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for (let i = 0; i < d.length; i += 4) out.push([d[i], d[i + 1], d[i + 2]])
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return out
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}, `data:image/png;base64,${shot.toString('base64')}`)
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}
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// 用 5000 行的 table-big（真实滚动）扫高度
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// 表头 34 + 行 30×N；这里固定用大数据量表，只改容器高度
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const heights = [500, 400, 300, 250, 200, 180, 160, 150, 140, 130, 120, 110, 100]
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console.log('=== table-big（5000 行，真实滚动）扫容器高度 ===')
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for (const h of heights) {
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await page.evaluate((hh) => {
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document.querySelector('[data-testid="table-big-wrap"]').style.height = `${hh}px`
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}, h)
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await page.waitForTimeout(450)
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await page.locator('[data-testid="table-big-wrap"]').scrollIntoViewIfNeeded()
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await page.waitForTimeout(200)
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const g = await page.evaluate(() => {
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const wrap = document.querySelector('[data-testid="table-big-wrap"]')
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const root = wrap.querySelector('.g3-table')
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const inner = wrap.querySelector('.stk-table')
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const r = root.getBoundingClientRect()
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const rows = [...wrap.querySelectorAll('.stk-tbody-main tr')]
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const last = rows[rows.length - 1]
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return {
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left: Math.round(r.left),
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bottom: Math.round(r.bottom),
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bodyFill: root.classList.contains('is-body-fill'),
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scrollH: inner.scrollHeight,
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clientH: inner.clientHeight,
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lastRowBottom: last ? Math.round(last.getBoundingClientRect().bottom) : null,
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innerBottom: (() => {
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const ir = inner.getBoundingClientRect()
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return Math.round(ir.bottom)
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})(),
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}
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})
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const y = Math.max(0, g.bottom - 4)
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if (1200 - y < 10) {
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console.log(`h=${h} 超出视口`)
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continue
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}
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const px = await clipSample(g.left + 300, y, 1, 10)
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const vec = px.map(([r, gg, b]) => (r < 246 || gg < 246 || b < 246 ? 1 : 0))
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const n = vec.reduce((a, b) => a + b, 0)
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console.log(
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`h=${String(h).padStart(3)} fill=${String(g.bodyFill).padStart(5)} lastRowBottom=${String(g.lastRowBottom).padStart(5)} innerBottom=${String(g.innerBottom).padStart(5)} 底部 ${vec.join('')} (${n}条) ${n === 1 ? '✅' : '❌'}`,
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)
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}
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await browser.close()
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