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🗣 Wd提问: playwright proxy

🤖 Ai回答: In Playwright, a proxy can be configured to route network traffic through a specific proxy server、This is useful for testing applications in different environments, simulating user behavior from various locations, or working around network restrictions.

Key Points About Proxies in Playwright:
1、Proxy Configuration: You can configure a proxy when launching a browser context.
2、Types of Proxies:
HTTP Proxy
HTTPS Proxy
SOCKS5 Proxy
3、Authentication: If the proxy requires authentication, you can provide credentials.
4、Exclusions: You can specify URLs that should bypass the proxy (e.g., local resources).

How to Configure a Proxy in Playwright

1、Basic Proxy Configuration
You can set up a basic proxy by specifying the `proxy` option when creating a browser context.

javascript
const { chromium } = require('playwright');

(async () = {
const browser = await chromium.launch();
const context = await browser.newContext({
proxy: {
server: 'http://proxy.example.com:8080', // Replace with your proxy URL and port
},
});

const page = await context.newPage();
await page.goto('https://example.com');
console.log(await page.title());

await browser.close();
})();

2、Using Authentication with a Proxy
If your proxy requires authentication, you can include the username and password in the proxy configuration.

javascript
const { chromium } = require('playwright');

(async () = {
const browser = await chromium.launch();
const context = await browser.newContext({
proxy: {
server: 'http://proxy.example.com:8080',
username: 'your-username',
password: 'your-password',
},
});

const page = await context.newPage();
await page.goto('https://example.com');
console.log(await page.title());

await browser.close();
})();

3、Excluding Specific URLs from the Proxy
Sometimes, you may want certain URLs to bypass the proxy、You can use the `exclude` option to specify patterns of URLs that should not go through the proxy.

javascript
const { chromium } = require('playwright');

(async () = {
const browser = await chromium.launch();
const context = await browser.newContext({
proxy: {
server: 'http://proxy.example.com:8080',
exclude: ['<local', /.*\.googleapis\.com/], // Exclude local URLs and Google APIs
},
});

const page = await context.newPage();
await page.goto('https://example.com');
console.log(await page.title());

await browser.close();
})();

`<local`: A special keyword that excludes all local URLs.
Regular expressions: You can use regex patterns to exclude specific domains or paths.

4、Using Different Types of Proxies
Playwright supports multiple types of proxies, including HTTP, HTTPS, and SOCKS5、You can specify the type using the `server` field.

Example: Using an HTTPS Proxy
javascript
const { chromium } = require('playwright');

(async () = {
const browser = await chromium.launch();
const context = await browser.newContext({
proxy: {
server: 'https://proxy.example.com:8443',
},
});

const page = await context.newPage();
await page.goto('https://example.com');
console.log(await page.title());

await browser.close();
})();

Example: Using a SOCKS5 Proxy
javascript
const { chromium } = require('playwright');

(async () = {
const browser = await chromium.launch();
const context = await browser.newContext({
proxy: {
server: 'socks5://proxy.example.com:1080',
},
});

const page = await context.newPage();
await page.goto('https://example.com');
console.log(await page.title());

await browser.close();
})();

Important Notes:
1、Browser Support: Not all browsers support all types of proxies、For example, Firefox and Chromium support SOCKS5, but WebKit does not.
2、Error Handling: If the proxy is unreachable or misconfigured, Playwright will throw an error、Make sure to handle such cases gracefully.
3、Performance: Using a proxy can introduce latency, so keep this in mind during performance-sensitive tests.

Full Example with Authentication and Exclusions
Here's a complete example that includes authentication, exclusions, and logging:

javascript
const { chromium } = require('playwright');

(async () = {
try {
const browser = await chromium.launch();
const context = await browser.newContext({
proxy: {
server: 'http://proxy.example.com:8080',
username: 'your-username',
password: 'your-password',
exclude: ['<local', /.*\.googleapis\.com/],
},
});

const page = await context.newPage();
await page.goto('https://example.com');
console.log(await page.title());

await browser.close();
} catch (error) {
console.error('An error occurred:', error);
}
})();

Summary
Use the `proxy` option when creating a browser context to configure a proxy.
Include `username` and `password` if the proxy requires authentication.
Use the `exclude` option to specify URLs that should bypass the proxy.
Choose the appropriate proxy type (`http`, `https`, `socks5`) based on your requirements.

This setup allows you to effectively use proxies in Playwright for testing and development purposes.

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提问时间: 2025-09-17 19:42:50

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