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53 строки
1.8 KiB
HTML
53 строки
1.8 KiB
HTML
<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
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<meta name="Author" content="Norris Boyd">
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<meta name="GENERATOR" content="Mozilla/4.75 [en] (Windows NT 5.0; U) [Netscape]">
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<meta name="KeyWords" content="Rhino, JavaScript, Java">
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<title>Rhino FAQ</title>
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</head>
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<body bgcolor="#FFFFFF">
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<script src="owner.js"></script>
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<center>
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<h1>
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Frequently Asked Questions about Rhino</h1></center>
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<script>document.write(owner());</script>
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<br><script>
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var d = new Date(document.lastModified);
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document.write((d.getMonth()+1)+"/"+d.getDate()+"/"+d.getFullYear());
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document.write('<br>');
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</script>
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<center>
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<hr WIDTH="100%"></center>
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<p><b><font size=+2>Q</font>.</b> <i>How do I create a Java array from
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JavaScript?</i>
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<p><b><font size=+2>A.</font></b> You must use Java reflection. For instance,
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to create an array of java.lang.String of length five, do
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<blockquote><tt>var stringArray = java.lang.reflect.Array.newInstance(java.lang.String,
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5);</tt></blockquote>
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Then if you wish to assign the string "hi" to the first element, simply
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execute <tt>stringArray[0] = "hi"</tt>.
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<p>Creating arrays of primitive types is slightly different: you must use
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the TYPE field. For example, creating an array of seven ints can be done
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with the code
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<blockquote><tt>var intArray = java.lang.reflect.Array.newInstance(java.lang.Integer.TYPE,
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7);</tt></blockquote>
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<p><br><b><font size=+2>Q</font>.</b> <i>When I try to execute a script
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I get the exception </i><tt>Required security context missing</tt><i>.
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What's going on?</i>
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<p><b><font size=+2>A.</font></b> You've likely missed placing the <tt>Security.properties</tt>
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file in your class path at <tt>org.mozilla.javascript.resources</tt>.
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<h3>
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<hr WIDTH="100%"><br>
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<a href="index.html">back to top</a></h3>
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</body>
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</html>
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