Lancia

-- QQ839128 --

Lancia

PDFPDF

** ** API,. ChromeJavaScript,

** :**

• URLHTMLPDF(PNG/JPEG)

• *PuppeteerChromePDFChrome.

• app (SPA)

• Easy deployment to Heroku. We love Lambda but...Deploy to Heroku button.

• (scrollPage )

• X-Access-Token*

• @media print CSS .Chrome @media screenpdfChrome&emulateScreenMedia=falsePuppeteer API docs. API

• Chrome--no-sandbox--disable-setuid-sandboxdebian.

• Chrome.

?

PDF,

PDFHTML+CSS,

API

APIPuppeteer Chrome node API( html)(https://github.com/aoju/lancia/blob/nodejs/src/app/shared/utils/render.utils.class.js)

::

1. page.setViewport(options) viewport.*.
2. ** page.emulateMedia('screen') emulateScreenMedia=true .
3. URL **** html.

url page.goto(url,options)' goto.* ' ,html page.setContent(html, options) ' goto.* '

4. ** page.waitFor(num) waitFor=1000.

5. ** scrollPage=true false.

• pdf page.pdf(options) ,pdf.*.
• screenshot page.screenshot(options) screenshot.*.

GET/POST /router/rest

Puppeteer options

POST

? pdfscale=2 '' {pdf: {scale: 2}} '

url

Maven

maven,pom.xml

<dependency>
    <groupId>org.aoju</groupId>
    <artifactId>lancia</artifactId>
    <version>1.2.2</version>
</dependency>

Logging

SLF4J

TRACE

1

        List<String> argList = new ArrayList<>();
        Fetcher.on(null);
        LaunchOption options = new LaunchBuilder().withArgs(argList).withHeadless(false).build();
        argList.add("--no-sandbox");
        argList.add("--disable-setuid-sandbox");
        Puppeteer.launch(options);

Chrome

2

        Fetcher.on(null);

        List<String> argList = new ArrayList<>();
        LaunchOption options = new LaunchBuilder().withArgs(argList).withHeadless(false).build();
        argList.add("--no-sandbox");
        argList.add("--disable-setuid-sandbox");
        Browser browser = Puppeteer.launch(options);
        Browser browser2 = Puppeteer.launch(options);

        Page page = browser.newPage();
        page.goTo("http://news.baidu.com/");
        browser.close();
        Page page1 = browser2.newPage();
        page1.goTo("http://news.baidu.com/");

argList

3 PDF

        Fetcher.on(null);

        List<String> argList = new ArrayList<>();
        LaunchOption options = new LaunchBuilder().withArgs(argList).withHeadless(false).build();
        argList.add("--no-sandbox");
        argList.add("--disable-setuid-sandbox");
        Browser browser = Puppeteer.launch(options);
        Browser browser2 = Puppeteer.launch(options);

        Page page = browser.newPage();
        page.goTo("http://news.baidu.com/");
        PDFOption pdfOptions = new PDFOption();
        pdfOptions.setPath("test.pdf");
        page.pdf(pdfOptions);
        page.close();
        browser.close();

PDFPDFheadless

4TRACING

        Fetcher.on(null);

        List<String> argList = new ArrayList<>();
        LaunchOption options = new LaunchBuilder().withArgs(argList).withHeadless(false).build();
        argList.add("--no-sandbox");
        argList.add("--disable-setuid-sandbox");
        Browser browser = Puppeteer.launch(options);

        Page page = browser.newPage();
        // 
        page.tracing().start("/Users/xxx/Desktop/trace.json");
        page.goTo("http://news.baidu.com/");
        page.tracing().stop();

json Chrome json

5

        Fetcher.on(null);

        List<String> arrayList = new ArrayList<>();
        LaunchOption options = new LaunchBuilder().withArgs(arrayList).withHeadless(true).build();
        arrayList.add("--no-sandbox");
        arrayList.add("--disable-setuid-sandbox");
        Browser browser = Puppeteer.launch(options);

        Page page = browser.newPage();
        page.goTo("http://news.baidu.com/");
        ScreenshotOption screenshotOptions = new ScreenshotOption();
        //
        Clip clip = new Clip(1.0, 1.56, 400, 400);
        screenshotOptions.setClip(clip);
        //
        screenshotOptions.setPath("test.png");
        page.screenshot(screenshotOptions);

1.

1. Java 8+
2. CentOS(6.x) LIB:

yum install pango.x86_64 libXcomposite.x86_64 libXcursor.x86_64 libXdamage.x86_64 libXext.x86_64 libXi.x86_64 libXtst.x86_64 cups-libs.x86_64 libXScrnSaver.x86_64 libXrandr.x86_64 GConf2.x86_64 alsa-lib.x86_64 atk.x86_64 gtk3.x86_64 ipa-gothic-fonts xorg-x11-fonts-100dpi xorg-x11-fonts-75dpi xorg-x11-utils xorg-x11-fonts-cyrillic xorg-x11-fonts-Type1 xorg-x11-fonts-misc -y

yum groupinstall "fonts" -y

javanodejs

WARNING: 2GB4GB.