将 javascript 回调传递给使用deployJava部署的java小程序
我有一个小程序,启动时间很长,但我的应用程序需要它才能工作。
我曾经注册过一个 javascript 回调:jsAppletIsStarted。 在小程序的 start 方法执行结束时调用此回调。
代码看起来或多或少像这样:
<script>
var jsAppletIsStarted = function(){/*do some useful stuff*/};
</script>
<applet id=".." etc>
<param name="appletStartedCallBack" value="jsAppletIsStarted "/>
</applet>
而且它的工作方式就像一个魅力。
我必须切换到另一种方式来启动小程序:使用deployJava.runApplet()方法。
代码现在看起来像这样:
<script>
var jsAppletIsStarted = function(){/*do some useful stuff*/};
var attributes = {};
attributes.code = "myAppletClass.class";
attributes.codebase="myCodeBase";
var parameters = {};
parameters.appletStartedCallBack="jsAppletIsStarted " ;
var version = '1.6' ;
deployJava.runApplet(attributes, parameters, version);
</script>
并且回调不再被识别。在我的 java 控制台中,出现以下错误。
12:26:24,655 ERROR com.mypackage.JavaScriptCallBack -
netscape.javascript.JSException: No such method "jsAppletIsStarted" on JavaScript object
netscape.javascript.JSException: No such method "jsAppletIsStarted" on JavaScript object
at sun.plugin2.main.client.MessagePassingJSObject.newJSException(Unknown Source) at
sun.plugin2.main.client.MessagePassingJSObject.waitForReply(Unknown Source) at
sun.plugin2.main.client.MessagePassingJSObject.call(Unknown Source) at
com.mypackage.JavaScriptCallBack.callJsCallBack(JavaScriptCallBack.java:131)
com.myapplet.MyApplet.start(MyApplet.java:662) at
sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source) at
java.lang.Thread.run(Unknown Source)
是否有办法将 javascript 回调作为参数传递给小程序以与部署Java.js 一起使用?
I have an applet which is pretty long to start, but which is needed for my application to work.
I used to register a javascript callback : jsAppletIsStarted.
This callback was called at the end of execution of the applet's start method.
The code looked more or less like this:
<script>
var jsAppletIsStarted = function(){/*do some useful stuff*/};
</script>
<applet id=".." etc>
<param name="appletStartedCallBack" value="jsAppletIsStarted "/>
</applet>
And it worked like a charm.
I had to switch to another way to start the applet : using the deployJava.runApplet() method.
The code now looks like this:
<script>
var jsAppletIsStarted = function(){/*do some useful stuff*/};
var attributes = {};
attributes.code = "myAppletClass.class";
attributes.codebase="myCodeBase";
var parameters = {};
parameters.appletStartedCallBack="jsAppletIsStarted " ;
var version = '1.6' ;
deployJava.runApplet(attributes, parameters, version);
</script>
And the callback is no more recognized. In my java console, I have the following error.
12:26:24,655 ERROR com.mypackage.JavaScriptCallBack -
netscape.javascript.JSException: No such method "jsAppletIsStarted" on JavaScript object
netscape.javascript.JSException: No such method "jsAppletIsStarted" on JavaScript object
at sun.plugin2.main.client.MessagePassingJSObject.newJSException(Unknown Source) at
sun.plugin2.main.client.MessagePassingJSObject.waitForReply(Unknown Source) at
sun.plugin2.main.client.MessagePassingJSObject.call(Unknown Source) at
com.mypackage.JavaScriptCallBack.callJsCallBack(JavaScriptCallBack.java:131)
com.myapplet.MyApplet.start(MyApplet.java:662) at
sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source) at
java.lang.Thread.run(Unknown Source)
Is there a hack to pass the javascript callbacks as parameters to the applet for using with deployJava.js ?
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请尝试手动调用该函数。
Please try calling the function manually.