采用phantomjs进行网页截图

/**
 * 采用phantomjs进行网页截图
 * @author lizheng
 *
 */
public class ScreenShot {
	public static void main(String[] args) {  
        try {  
            long start=System.currentTimeMillis();  
            String targetUrl="https://www.cnblogs.com";  
            String targetImg=" D:/200.png";  
            String command = "E:/phantomjs/bin/phantomjs.exe D:/lizheng.js "+targetUrl+targetImg;  
            Process p = Runtime.getRuntime().exec(command);  
            p.waitFor();  
            System.out.println((System.currentTimeMillis()-start)+" 毫秒");  
        } catch (Exception e) {  
            e.printStackTrace();  
        }  
    }  
}

var page = require('webpage').create(),
    system = require('system'),
    address, output, size;

if (system.args.length < 3 || system.args.length > 5) {
    console.log('Usage: rasterize.js URL filename');
    phantom.exit(1);
} else {
    address = system.args[1];
    output = system.args[2];
    page.viewportSize = { width: 1024, height: 600 };
    page.open(address, function (status) {
      // 通过在页面上执行脚本获取页面的渲染高度
      var bb = page.evaluate(function () { 
        return document.getElementsByTagName('html')[0].getBoundingClientRect(); 
      });
      // 按照实际页面的高度，设定渲染的宽高
      page.clipRect = {
        top:    bb.top,
        left:   bb.left,
        width:  bb.width,
        height: bb.height
      };
      // 预留一定的渲染时间
      window.setTimeout(function () {
        page.render(output);
        page.close();
        console.log('render ok');
      }, 1000);
    });
}