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package com.example.jcef;
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import com.melloware.jintellitype.HotkeyListener;
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import com.melloware.jintellitype.JIntellitype;
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import me.friwi.jcefmaven.CefAppBuilder;
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import me.friwi.jcefmaven.CefBuildInfo;
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import me.friwi.jcefmaven.CefInitializationException;
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import me.friwi.jcefmaven.MavenCefAppHandlerAdapter;
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import me.friwi.jcefmaven.UnsupportedPlatformException;
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import org.cef.CefApp;
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import org.cef.CefClient;
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import org.cef.browser.CefBrowser;
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import javax.swing.*;
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import java.awt.*;
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import java.awt.event.FocusListener;
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import java.awt.event.KeyListener;
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import java.awt.event.MouseListener;
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import java.awt.event.WindowAdapter;
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import java.awt.event.WindowEvent;
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import java.io.IOException;
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public class WebClient extends JFrame {
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// 退出
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private final int KEY_MARK_ESC = 1;
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// 最小化
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private final int KEY_MARK_SWITCH = 2;
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// 刷新
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private final int KEY_MARK_RELOAD = 3;
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// 强制刷新
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private final int KEY_MARK_RELOAD_FORCE = 4;
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private CefClient cefClient;
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private CefBrowser cefBrowser;
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private final HotkeyListener hotkeyListener = new HotkeyListener() {
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@Override
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public void onHotKey(int i) {
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switch (i) {
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case KEY_MARK_ESC: {
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System.out.println("log: esc");
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JIntellitype.getInstance().unregisterHotKey(KEY_MARK_ESC);
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JIntellitype.getInstance().removeHotKeyListener(hotkeyListener);
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close();
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}
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break;
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case KEY_MARK_SWITCH: {
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System.out.println("log: switch");
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if (getExtendedState() == Frame.NORMAL) {
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removeNotify();
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setUndecorated(true);
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setExtendedState(JFrame.MAXIMIZED_BOTH);
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} else {
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setExtendedState(Frame.NORMAL);
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removeNotify();
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setUndecorated(false);
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}
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setVisible(true);
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}
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break;
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case KEY_MARK_RELOAD: {
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System.out.println("log: reload");
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reload();
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}
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break;
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case KEY_MARK_RELOAD_FORCE: {
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System.out.println("log: reloadForce");
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reloadForce();
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}
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break;
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}
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}
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};
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public WebClient() throws HeadlessException, InterruptedException, UnsupportedPlatformException, CefInitializationException, IOException {
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super();
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initCef(new String[]{});
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initClient(new String[]{});
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}
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private void initClient(String[] args) {
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setTitle("WebClient");
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getContentPane().add(cefBrowser.getUIComponent(), BorderLayout.CENTER);
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setSize(800, 600);//初始大小
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setLocation(0, 0);//位置
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// 设置为全屏模式
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setExtendedState(JFrame.MAXIMIZED_BOTH);
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setUndecorated(true);
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setAlwaysOnTop(true);
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addWindowListener(new WindowAdapter() {
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@Override
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public void windowClosing(WindowEvent e) {
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// 关闭应用时要释放资源
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CefApp.getInstance().dispose();
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dispose();
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System.exit(0);//0正常退出，1非正常退出
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}
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});
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// 添加热键
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JIntellitype.getInstance().registerHotKey(KEY_MARK_ESC, 0, KeyEnum.ESC.value());
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JIntellitype.getInstance().registerHotKey(KEY_MARK_SWITCH, 0, KeyEnum.F11.value());
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JIntellitype.getInstance().registerHotKey(KEY_MARK_RELOAD, 0, KeyEnum.F5.value());
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JIntellitype.getInstance().registerHotKey(KEY_MARK_RELOAD_FORCE, KeyEnum.MOD_CONTROL.value(), KeyEnum.F5.value());
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JIntellitype.getInstance().addHotKeyListener(hotkeyListener);
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// 显示
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setVisible(true);
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}
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/**
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* 初始化 CefBrowser
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*
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* @param args
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*/
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private void initCef(String[] args) throws InterruptedException, UnsupportedPlatformException, CefInitializationException, IOException {
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CefAppBuilder builder = new CefAppBuilder();
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// window下不需要OSR
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boolean useOSR = false;
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builder.getCefSettings().windowless_rendering_enabled = useOSR;
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builder.setAppHandler(new MavenCefAppHandlerAdapter() {
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@Override
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public void stateHasChanged(org.cef.CefApp.CefAppState state) {
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// 关闭应用时退出jvm运行
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if (state == CefApp.CefAppState.TERMINATED) System.exit(0);
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}
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});
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// 设置cef运行参数，这里为空
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builder.addJcefArgs(args);
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// 这边不设置，程序会自动解压
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// 设置 cef chrome实例的目录，关键，若不设置他会默认从网络中下载，国外网络可能下载不稳定导致失败
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// 我的 cef chrome 位于项目的chrome目录下 C:\Users\Administrator\Desktop\project\java\demo-desktop\chrome
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// builder.setInstallDir(new File(System.getProperty("user.dir") + File.separator + "chrome"));
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// 由于是手动设置cef的chrome，我们要跳过ins检查，防止版本不一致导致从镜像站下载
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// builder.setSkipInstallation(true);
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// 全局的 CefApp 每个程序只能有一个，线程安全
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CefApp build = builder.build();
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// 显示一些版本信息
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CefBuildInfo buildInfo = CefBuildInfo.fromClasspath();
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System.out.println(buildInfo);
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CefApp.CefVersion cefVersion = build.getVersion();
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System.out.println(cefVersion);
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// 创建一个浏览器客户端实例
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cefClient = build.createClient();
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// 创建一个浏览器实例，设置访问 url https://www.baidu.com
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cefBrowser = cefClient.createBrowser("about:blank", useOSR, true);
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}
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/**
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* 加载地址
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*
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* @param url 地址
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* @throws InterruptedException
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*/
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public void loadUrl(String url) throws InterruptedException {
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// 必须延迟，否则可能因为切换太快无法加载成功
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Thread.sleep(300);
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cefBrowser.loadURL(url);
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}
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/**
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* 刷新
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*/
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public void reload() {
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cefBrowser.reload();
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}
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/**
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* 强制刷新
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*/
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public void reloadForce() {
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cefBrowser.reloadIgnoreCache();
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}
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public void addFocusListener(FocusListener listener) {
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cefBrowser.getUIComponent().addFocusListener(listener);
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}
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public void addMouseListener(MouseListener listener) {
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cefBrowser.getUIComponent().addMouseListener(listener);
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}
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public void addKeyListener(KeyListener listener) {
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cefBrowser.getUIComponent().addKeyListener(listener);
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}
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public void executeJavaScript(String javascript) {
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cefBrowser.executeJavaScript(javascript, null, 1);
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}
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public void close() {
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// 关闭应用时要释放资源
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CefApp.getInstance().dispose();
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dispose();
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System.exit(0);
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}
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}
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