原文: http://www.java2000.net/p7845
模板
输出结果
结果分析:
<#if
语句通过后面的测试条件,如果为true,则显示
如果不等于,则进入<#else>部分显示,
以</#if>结束。
<script type="text/javascript"> </script> <script type="text/javascript" src="http://pagead2.googlesyndication.com/pagead/show_ads.js"> </script>
测试IF语句的使用
程序- package freemarker;
- import java.io.File;
- import java.io.FileOutputStream;
- import java.io.OutputStreamWriter;
- import java.io.Writer;
- import java.util.HashMap;
- import java.util.Map;
- import freemarker.template.Configuration;
- import freemarker.template.Template;
- public class TestIf {
- private Configuration cfg;
- public Configuration getCfg() {
- return cfg;
- }
- public void init() throws Exception {
- cfg = new Configuration();
- cfg.setDirectoryForTemplateLoading(new File("bin/freemaker"));
- }
- public static void main(String[] args) throws Exception {
- TestIf obj = new TestIf();
- obj.init();
- Map root = new HashMap();
- root.put("user", "java2000.net");
- Map latestProduct = new HashMap();
- latestProduct.put("url", "http://www.java2000.net");
- latestProduct.put("name", "Java世纪网");
- root.put("latestProduct", latestProduct);
- Template t = obj.getCfg().getTemplate("TestIf.ftl");
- Writer out = new OutputStreamWriter(new FileOutputStream("TestIf.html"), "GBK");
- t.process(root, out);
- System.out.println("Successfull................");
- }
- }
- <html>
- <head>
- <title>Welcome!</title>
- </head>
- <body>
- <h1>
- Welcome ${user}<#if user == "java2000.net">, our beloved leader<#else>my friend</#if>!
- </h1>
- <p>Our latest product:
- <a href="${latestProduct.url}">${latestProduct.name}</a>!
- </body>
- </html>
- <html>
- <head>
- <title>Welcome!</title>
- </head>
- <body>
- <h1>
- Welcome java2000.net, our beloved leader!
- </h1>
- <p>Our latest product:
- <a href="http://www.java2000.net">Java世纪网</a>!
- </body>
- </html>
结果分析:
<#if
语句通过后面的测试条件,如果为true,则显示
如果不等于,则进入<#else>部分显示,
以</#if>结束。
<script type="text/javascript"> </script> <script type="text/javascript" src="http://pagead2.googlesyndication.com/pagead/show_ads.js"> </script>