define Variable in zscript and access by EL

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Variable defined in zscript can be easily accessed by EL.

<window>
	<zscript><![CDATA[
		var="abc";	
	]]>
	</zscript>
	1:${var}
</window>

The result shows 1:abc

To achieve the same result in java, you can rewrite it to

<window id="win_1" use="MyWindow">
	1:${win_1.var}
</window>

And the java file:

import org.zkoss.zul.Window;

public class MyWindow extends Window {
	String var = "abc";
	public String getVar(){
		return var;
	}
}

Note that ${win_1.var} will be mapped to MyWindow.getVar(). It's case sensitive. The mapping getter function will map first character of variable to upper case and append get in front of it.