企业官网建设流程全解析

• 在执行 Playwright 脚本时，出现如下错误信息

node:internal/process/promises:394 triggerUncaughtException(err, true /* fromPromise */); ^ browserType.launch: Executable doesn't exist at C:\Users\12312\AppData\Local\ms-playwright\chromium_headless_shell-1243\chrome-headless-shell-win64\chrome-headless-shell.exe ╔════════════════════════════════════════════════════════════╗ ║ Looks like Playwright was just installed or updated. ║ ║ Please run the following command to download new browsers: ║ ║ ║ ║ npx playwright install ║ ║ ║ ║ <3 Playwright Team ║ ╚════════════════════════════════════════════════════════════╝ at D:\WEB\PlaywrightTest\scripts\test.js:15:49 at D:\WEB\PlaywrightTest\scripts\test.js:8:71 at __awaiter (D:\WEB\PlaywrightTest\scripts\test.js:4:12) at D:\WEB\PlaywrightTest\scripts\test.js:13:8 at Object.<anonymous> (D:\WEB\PlaywrightTest\scripts\test.js:26:4) { log: [], name: 'Error' } Node.js v22.23.1

问题原因

• Node 环境里装了 Playwright，但对应的 Chromium 浏览器内核没有被下载到本地，Playwright 找不到浏览器可执行文件

处理策略

1. 在项目目录下执行如下指令，安装 Chromium

npx playwrightinstall

2. 如果不想下载，也可以让 Playwright 调用本机已安装的 Chrome。在playwright.config.ts文件添加如下配置

use:{channel:'chrome',// 或 'msedge'},