Velocity demo to solve Chinese display problem

The project structure is as shown in the screenshot:

1, first, the introduction of velocity programming required jar package, build all kinds of files. Under the required JAR package:

2. Configure the Web. xml file

<!--Configuring the velocity's servlet--
    <servlet>  
        <servlet-name>velocity</servlet-name>  
        <servlet-class>org.apache.velocity.tools.view.VelocityViewServlet</servlet-class>  
    </servlet >  
    <servlet-mapping>  
        <servlet-name>velocity</servlet-name>  
        <url-pattern> *.vm</url-pattern>  
    </servlet-mapping>  
      
    <servlet>  
        <servlet-name>hello</ servlet-name>  
        <servlet-class>velocityHandler.HelloHandler</servlet-class>  
    </ servlet>  
    <servlet-mapping>  
        <servlet-name>hello</servlet-name>  
        < Url-pattern>/index</url-pattern>  <!--for browser access-
    </servlet-mapping>  

Hellohandler.java specific code is as follows:

public class Hellohandler extends velocityviewservlet{private static final long serialversionuid = 1L;  

	Private Velocityengine Velo; @Override public void Init () throws servletexception{//velocity Engine Object velo = new Velocit 
       
       Yengine ();
       Set the load path for the VM template Properties prop = new properties ();
       String path = This.getservletcontext (). Getrealpath ("/");
       
       Prop.setproperty (Velocity.file_resource_loader_path, PATH + "templates/");
       Set the encoding Prop.setproperty (Velocity.encoding_default, "UTF-8");
       Prop.setproperty (velocity.input_encoding, "UTF-8");
       
       Prop.setproperty (velocity.output_encoding, "UTF-8");
         try {//Initialize settings, use the GetTemplate ("*.VM") output below to make sure to invoke Velo object to do, namely Velo.gettemplate ("*.VM") velo.init (prop);
         } catch (Exception E1) {e1.printstacktrace (); }} @SuppressWarnings ("Unchecked") @Override protected Template handlerequest (httpservletreQuest Request, HttpServletResponse response, Context ctx) {try {request.setcharacterencoding ("UTF-8");
		} catch (Unsupportedencodingexception e) {e.printstacktrace ();
		} response.setcharacterencoding ("UTF-8");
		String p1 = "Lily";
		String P2 = "Molly";
		String p3 = "Zhang San mad";
		@SuppressWarnings ("rawtypes") vector personlist = new vector ();
		Personlist.addelement (p1);
		Personlist.addelement (p2);
		Personlist.addelement (p3); Ctx.put ("Personlist", personlist); 
		The template data list is placed in the contextual context template template = Velo.gettemplate ("INDEX.VM");
	return template; }
}

INDEX.VM file

3, enter the address Http://localhost/velocity/index in the browser, you can see the following effect


Note: VM files can not be accessed directly, that is, enter the address directly in the browser HTTP://LOCALHOST/VELOCITY/TEMPLATES/INDEX.VM will not see the effect, the VM files need to go through a mechanism to be parsed, such as struts2,spring and so on.