Admin: 1 версия

2010-06-01T07:07:22Z

1 версия

в 18:01, 31 мая 2010

2010-05-31T18:01:46Z

Новая страница

== Define and use Macro ==



<source lang="java">

import java.io.StringWriter;
import java.io.Writer;
import org.apache.velocity.Template;
import org.apache.velocity.VelocityContext;
import org.apache.velocity.app.Velocity;
import org.apache.velocity.tools.generic.RenderTool;
public class VMDemo {
public static void main(String[] args) throws Exception {
Velocity.init();
Template t = Velocity.getTemplate("./src/VMDemo.vm");
VelocityContext ctx = new VelocityContext();
Writer writer = new StringWriter();
t.merge(ctx, writer);
System.out.println(writer);
}
}
-------------------------------------------------------------------------------------
#macro (writeTable $productList)
#set ($rowCount = 1)
#foreach($product in $productList)
#if ($rowCount % 2 == 0)
#set ($bgcolor = "#FFFFFF")
#else
#set ($bgcolor = "#CCCCCC")
#end
<tr>
<td bgcolor="$bgcolor">$product</td>
<td bgcolor="$bgcolor">$product</td>
</tr>
#set ($rowCount = $rowCount + 1)
#end
#end
#set ($products = ["one", "two", "three"])
<html>
<head>
<title>Title</title>
</head>
<body>
<table>
#writeTable($products)
</table>
</body>
</html>

</source>



== Use macro to wrap HTML tags ==



<source lang="java">

import java.io.StringWriter;
import java.io.Writer;
import org.apache.velocity.Template;
import org.apache.velocity.VelocityContext;
import org.apache.velocity.app.Velocity;
import org.apache.velocity.tools.generic.IteratorTool;
public class VMDemo {
public static void main(String[] args) throws Exception {
Velocity.init();
Template t = Velocity.getTemplate("./src/demo.vm");
VelocityContext ctx = new VelocityContext();
ctx.put("var", new IteratorTool());
Writer writer = new StringWriter();
t.merge(ctx, writer);
System.out.println(writer);
}
}
-------------------------------------------------------------------------------------
#macro( d )
<tr><td></td></tr>
#end
#d()

</source>



== Velocity Macro With Parameters ==



<source lang="java">

import java.io.StringWriter;
import java.io.Writer;
import org.apache.velocity.Template;
import org.apache.velocity.VelocityContext;
import org.apache.velocity.app.Velocity;
import org.apache.velocity.tools.generic.IteratorTool;
public class VMDemo {
public static void main(String[] args) throws Exception {
Velocity.init();
Template t = Velocity.getTemplate("./src/demo.vm");
VelocityContext ctx = new VelocityContext();
ctx.put("var", new IteratorTool());
Writer writer = new StringWriter();
t.merge(ctx, writer);
System.out.println(writer);
}
}
-------------------------------------------------------------------------------------
#macro( tablerows $color $somelist )
#foreach( $something in $somelist )
<tr><td bgcolor=$color>$something</td></tr>
#end
#end

#set( $greatlakes = ["Superior","Michigan","Huron","Erie","Ontario"] )
#set( $color = "blue" )
<table>
#tablerows( $color $greatlakes )
</table>

</source>

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Java/Velocity/Macro - История изменений

Admin: 1 версия

в 18:01, 31 мая 2010