Java实现网页全屏截图并保存图片实例代码介绍



Java实现网页全屏截图并保存图片实例代码介绍。

所需jar包和完整代码下载地址：http://download.csdn.net/detail/zajin/6705271

[java] view plaincopyprint?在CODE上查看代码片派生到我的代码片

  1. package shot;
  3. import java.awt.BorderLayout;
  4. import java.awt.Dimension;
  5. import java.awt.FlowLayout;
  6. import java.awt.geom.AffineTransform;
  7. import java.awt.image.AffineTransformOp;
  9. import javax.swing.SwingUtilities;
  11. import chrriis.dj.nativeswing.swtimpl.NativeComponent;
  12. import chrriis.dj.nativeswing.swtimpl.components.WebBrowserEvent;
  13. /**
  14. * @Author Rain
  15. * @Date   Dec 12, 2013
  16. * @Email  2527350@QQ.com
  17. * @Discription  undefined
  18. */
  19. public class Main extends JPanel {
  21.     private static final long serialVersionUID = 1L;
  22.     // 行分隔符
  23.     final static public String LS = System.getProperty(“line.separator”, “\n”);
  24.     // 文件分割符
  25.     final static public String FS = System.getProperty(“file.separator”, “\\”);
  26.     //以javascript脚本获得网页全屏后大小
  27.     final static StringBuffer jsDimension;
  29.     static {
  30.         jsDimension = new StringBuffer();
  31.         jsDimension.append(“var width = 0;”).append(LS);
  32.         jsDimension.append(“var height = 0;”).append(LS);
  33.         jsDimension.append(“if(document.documentElement) {“).append(LS);
  34.         jsDimension.append(“  width = Math.max(width, document.documentElement.scrollWidth);”).append(LS);
  35.         jsDimension.append(“  height = Math.max(height, document.documentElement.scrollHeight);”).append(LS);
  36.         jsDimension.append(“}”).append(LS);
  37.         jsDimension.append(“if(self.innerWidth) {“).append(LS);
  38.         jsDimension.append(“  width = Math.max(width, self.innerWidth);”).append(LS);
  39.         jsDimension.append(“  height = Math.max(height, self.innerHeight);”).append(LS);
  40.         jsDimension.append(“}”).append(LS);
  41.         jsDimension.append(“if(document.body.scrollWidth) {“).append(LS);
  42.         jsDimension.append(“  width = Math.max(width, document.body.scrollWidth);”).append(LS);
  43.         jsDimension.append(“  height = Math.max(height, document.body.scrollHeight);”).append(LS);
  44.         jsDimension.append(“}”).append(LS);
  45.         jsDimension.append(“return width + ‘:’ + height;”);
  46.     }
  48.     public Main(final String url, final int maxWidth, final int maxHeight) {
  49.         super(new BorderLayout());
  50.         JPanel webBrowserPanel = new JPanel(new BorderLayout());
  51.         final String fileName = System.currentTimeMillis() + “.jpg”;
  52.         final JWebBrowser webBrowser = new JWebBrowser(null);
  53.         webBrowser.setBarsVisible(false);
  54.         webBrowser.navigate(url);
  55.         webBrowserPanel.add(webBrowser, BorderLayout.CENTER);
  56.         add(webBrowserPanel, BorderLayout.CENTER);
  57.         JPanel panel = new JPanel(new FlowLayout(FlowLayout.CENTER, 4, 4));
  58.         webBrowser.addWebBrowserListener(new WebBrowserAdapter() {
  59.             // 监听加载进度
  60.             public void loadingProgressChanged(WebBrowserEvent e) {
  61.                 // 当加载完毕时
  62.                 if (e.getWebBrowser().getLoadingProgress() == 100) {
  63.                     String result = (String) webBrowser.executeJavascriptWithResult(jsDimension.toString());
  64.                     int index = result == null ? -1 : result.indexOf(“:”);
  65.                     NativeComponent nativeComponent = webBrowser.getNativeComponent();