java Velocity 同时初始化两个 Engine 实例详解编程语言

import org.apache.velocity.VelocityContext; import org.apache.velocity.app.VelocityEngine; public class VelocityEngineTest { private static final String TEMPLATE_NAME = "VelocityEngineTest.vm"; public static void main(String[] args) throws Exception { Properties p1 = new Properties(); p1.put("resource.loader", "file"); p1.put("file.resource.loader.class", "org.apache.velocity.runtime.resource.loader.FileResourceLoader"); p1.put("file.resource.loader.path", "./src/ve1"); Properties p2 = new Properties(); p2.put("resource.loader", "file"); p2.put("file.resource.loader.class", "org.apache.velocity.runtime.resource.loader.FileResourceLoader"); p2.put("file.resource.loader.path", "./src/ve2"); //now create the engines VelocityEngine ve1 = new VelocityEngine(); ve1.init(p1); VelocityEngine ve2 = new VelocityEngine(); ve2.init(p2); // now get the output for each engine writeTemplateOutput(ve1); writeTemplateOutput(ve2); public static void writeTemplateOutput(VelocityEngine ve) throws Exception { Template t = ve.getTemplate(TEMPLATE_NAME); Writer writer = new StringWriter(); t.merge(new VelocityContext(), writer); System.out.println(writer.toString()); }

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