程序代码
package freemaker;
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 Test2 {
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 {
Test2 obj = new Test2();
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("Test2.ftl");
Writer out = new OutputStreamWriter(new FileOutputStream("Test2.html"), "GBK");
t.process(root, out);
System.out.println("Successfull................");
}
}
模板
<html>
<head>
<title>Welcome!</title>
</head>
<body>
<h1>Welcome ${user}!</h1>
<p>Our latest product:
<a href="${latestProduct.url}">${latestProduct.name}</a>!
</body>
</html>
运行结果
<html>
<head>
<title>Welcome!</title>
</head>
<body>
<h1>Welcome java2000.net!</h1>
<p>Our latest product:
<a href="http://www.java2000.net">Java世纪网</a>!
</body>
</html>
分析：
数据结构为
引用:
(root)
|
+- user = "java2000.net"
|
+- latestProduct
|
+- url = "http://www.java2000.net"
|
+- name = "Java世纪网"
我们使用嵌套的Map给其传递参数
