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README
Apache-2.0

JxBrowser-demo

介绍

JxBrowser-demo JxBrowser是一个跨平台的Java库,允许将基于Google Chromium的Web浏览器组件集成到Java Swing / AWT / JavaFX应用程序中。使用JxBrowser,您可以将轻量级Swing / JavaFX组件嵌入到Java应用程序中,以显示现代网页,支持最新的Web标准,如HTML5,CSS3,JavaScript等

软件架构

软件架构说明 为什么选用JxBrowser?

BS结构的优点在于,软件维护和升级方便,只要能上网就能升级了且在很多地方都能够直接使用软件,而不需要安装,前提要能登陆到服务器。
CS结构缺乏通用性,具有较大的局限性,维护和管理的难度大,但是CS结构的交互性强,而且使用CS能与本地的硬件进行交互(如小票打印机、银联pos机、钱箱等……)
虽然BS结构有诸多优点,但当遇到需要与硬件进行交互时,并不能完全满足业务需求,故而采用了BS+CS结合的方式,希望能同时具有CS结构的交互性与BS的灵活性,使用JxBrowser后,客户端相当于一个带有谷歌浏览器内核的定制浏览器,负责与硬件(如打印机、钱箱、POS机等)的交互,同时负责业务网页的显示,而业务的处理仍是在服务端后台。

软件的版本迭代是怎么处理的?

客户端的jar包采用第三方插件FxLauncher,在打包时,Fxlauncher会生成一个固定格式的app.xml,app.xml文件中记录了代码的线上地址、每个jar包详情等信息;在客户端启动时,FxLauncher会将本地的app.xml与线上的进行比较,若文件列表中有文件发生变化,则对该文件进行下载覆盖。
其它的文件,如调用银联pos所需的dll文件等,则有自己编写的下载更新模块进行下载与安装

安装教程

6.18版本下载: https://jxbrowser.support.teamdev.com/support/discussions/topics/9000039314

使用说明

JxBrowser怎么使用?

JxBrowser的下载
https://jxbrowser.support.teamdev.com/support/discussions/forums/9000110576
jxbrowser的破解
(注:破解仅用于技术交流,如有需要还是购买正版的好#手动捂脸)
在jxbrowser的启动类中加入如下代码:
static {
        try {
            Class claz = null;
            //6.5.1版本破解 兼容xp
            claz =  Class.forName("com.teamdev.jxbrowser.chromium.aq");
            //6.21版本破解 默认使用最新的6.21版本
            // claz =  Class.forName("com.teamdev.jxbrowser.chromium.ba");

            Field e = claz.getDeclaredField("e");
            Field f = claz.getDeclaredField("f");


            e.setAccessible(true);
            f.setAccessible(true);
            Field modifersField = Field.class.getDeclaredField("modifiers");
            modifersField.setAccessible(true);
            modifersField.setInt(e, e.getModifiers() & ~Modifier.FINAL);
            modifersField.setInt(f, f.getModifiers() & ~Modifier.FINAL);
            e.set(null, new BigInteger("1"));
            f.set(null, new BigInteger("1"));
            modifersField.setAccessible(false);
        } catch (Exception e) {
            e.printStackTrace();
            logger.error("执行jxbrowser破解程序时出现异常"+LoggerUtil.getErrorMessage(e));
        }
    }

在resources资源文件夹中创建文件夹META-INF,在META-INF文件夹下创建teamdev.licenses文件,将下列信息复制到文件中

Product: JxBrowser
Version: 6.x
Licensed to:
License type: Enterprise
License info: JxBrowser License
Expiration date: 01-01-9999
Support expiration date: NO SUPPORT
Generation date: 01-01-1970
Platforms: win32/x86;win32/x64;mac/x86;mac/x64;linux/x86;linux/x64
Company name: TeamDev Ltd.
SigB: 1
SigA: 1

OK,破解好了,到此就可以正常使用了

jxbrowser的6.5.1是最后的支持XP系统的版本,6.21为我下载时的最新版本,根据具体需求选择版本,jxbrowser支持windows、mac、linux,并且都有对应的jar包,jxbrowser.jar为核心jar包,其它的可以根据需求选择性的引入。 3. 通过JxBrowser实现js与java代码进行交互 JxBrowser为Browser对象提供了丰富的监听器,要实现js与java代码的交互,只需在监听器中添加创建对象的代码,window是前端中的window对象,这里是通过jxbrowser浏览器获取到window对象,并对该对象扩展了一个名为jsEntity的对象。当然,JsEntity为自定义的一个实体类,需自行创建,创建对象是为了供前端js调用,而后端调用js,直接使用browser.executeJavaScript()即可,传入方法名与参数

 browser.addLoadListener(new LoadAdapter() {
            @Override
            public void onFinishLoadingFrame(FinishLoadingEvent finishLoadingEvent) {
                super.onFinishLoadingFrame(finishLoadingEvent);
                JSValue window = browser.executeJavaScriptAndReturnValue("window");
                //给jswindows对象添加一个扩展的属性
                JsEntity jsEntity = new JsEntity();
                window.asObject().setProperty("jsEntity", jsEntity);
                //调用前端页面js
                browser.executeJavaScript("alert('我是后台,我调用了js!')");
            }
        });

这里我选择的是加载事件的监听器,加载事件的监听器中有几个方法:

 @Override
            public void onStartLoadingFrame(StartLoadingEvent startLoadingEvent) {
                super.onStartLoadingFrame(startLoadingEvent);
            }

            @Override
            public void onProvisionalLoadingFrame(ProvisionalLoadingEvent provisionalLoadingEvent) {
                super.onProvisionalLoadingFrame(provisionalLoadingEvent);
            }

            @Override
            public void onFinishLoadingFrame(FinishLoadingEvent finishLoadingEvent) {
                super.onFinishLoadingFrame(finishLoadingEvent);
            }

            @Override
            public void onFailLoadingFrame(FailLoadingEvent failLoadingEvent) {
                super.onFailLoadingFrame(failLoadingEvent);
            }

            @Override
            public void onDocumentLoadedInFrame(FrameLoadEvent frameLoadEvent) {
                super.onDocumentLoadedInFrame(frameLoadEvent);
            }

            @Override
            public void onDocumentLoadedInMainFrame(LoadEvent loadEvent) {
                super.onDocumentLoadedInMainFrame(loadEvent);
            }

从方法名上很容易能看出来分别是重写了什么事件,只需对需要的方法进行重写即可。 前端js代码:

<script>
     function jsToJava(){
 	try{
 	    var res = jsEntity.toTest('我是js,我来调用java了');
 	    alert(res);
        }catch(e){
 	    alert(e);
        }
     }
</script>
<body onclick="jsToJava()">
js调用java
</body>

JsEntity实体类的代码:

public class JsEntity {

    public String toTest(String str){
        System.out.println(str);
        return "I'm ok,真的ok,thank you";
    }
}

在客户端启动时,浏览器加载完毕后,会弹出“我是后台,我调用了js!”,点击事件发生后,后台会输出被js调用的信息,而同时,浏览器会弹窗“I'm ok,真的ok,thank you”,如果要实现js调用硬件,只需在自定义的实体类中添加java调用硬件的代码即可

到此结束!

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