Phantomjs practical code segment (continuously updated ...)

1. Download

Download link

2. Unzip the installation package

Just unzip it directly

3. Configure environment variables

Find the advanced system settings, open it, and the following picture appears. Click on Environment Variables.

Click the edit button

respectively to add the new decompression path to the bin folder. Click on OK.

In this way, the environment variables are configured, you can use the phantomjs command directly in the command line tool .

Fourth, the code segment

Create a new JS file, such as: main.js
execute command: phantomjs main.js

1. Print the title of the specified URL

var page = require('webpage').create();
phantom.outputEncoding="gbk";
page.open("https://url.163.com/EWS", function(status) {
console.log("Status: " + status);
if ( status === "success" ) {
 console.log(page.title)
} else {
console.log("Page failed to load."); 
}
phantom.exit(0);
});

2. Generate screenshots of web pages

var page = require('webpage').create();
page.open('https://maomin.blog.csdn.net/', function() {
  page.render('github.png');
  phantom.exit();
});

3. Convert web pages to PDF

var wpage = require('webpage').create(); 
var url = "https://en.wikipedia.org/wiki/Main_Page"; 
var output = "test.pdf"; 

wpage.paperSize = { 
   width: screen.width+'px', 
   height: '1500px', 
   
   margin: {
      'top':'50px', 
      'left':'50px', 
      'rigtht':'50px' 
   }, 
   orientation:'portrait', 
   header: { 
      height: "1cm", 
      contents: phantom.callback(function(pageNumber, nPages) { 
         return "<h5>Header <b>" + pageNumber + " / " + nPages + "</b></h5>"; 
      }) 
   }, 
   footer: { 
      height: "1cm", 
      contents: phantom.callback(function(pageNumber, nPages) {   
         return "<h5>Footer <b>" + pageNumber + " / " + nPages + "</b></h5>"; 
      }) 
   } 
} 
wpage.open(url, function (status) { 
   if (status !== 'success') { 
      console.log('Page is not opening'); 
      phantom.exit(); 
   } else { 
      wpage.render(output); 
      phantom.exit();     
   } 
});

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To be continued ...