FreeMarker 实例

1.jar包:freemarker-2.3.19.jar,将jar拷贝到lib目录下;html

2.新建Web项目:TestFreeMarkerjava

在web目录下新建ftl文件夹;web

在ftl下新建模版文件ftl03.ftl测试

<#ftl attributes={"content_type":"text/html; charset=UTF-8"}>
<?xml version="1.0" encoding="utf-8"?>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
${hello},cfg.setDirectoryForTemplateLoading(new File("/ftl"));测试
</body>
</html>

3.Java测试类FreeMarkerDemo:ui

package com.freemarker.test;
 
import java.io.File;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.util.HashMap;
import java.util.Map;
 
import freemarker.template.Configuration;
import freemarker.template.Template;
 
public class FreeMarkerDemo {
    public static void main(String[] args) {
        try {
             // 经过Freemaker的Configuration读取相应的ftl
            Configuration cfg = new Configuration();
             // 设定去哪里读取相应的ftl模板文件
            cfg.setDirectoryForTemplateLoading(new File("D:/workspace/TestFreeMarker/WebContent/ftl"));
             // 在模板文件目录中找到名称为name的模板文件
            Template template = cfg.getTemplate("ftl03.ftl");
            Map<String, Object> root = new HashMap<String, Object>(); 
            root.put("hello", "Hello FreeMarker!"); 
            root.put("files", "li");
            
            //以字符串形式在控制台输出 
            StringWriter stringWriter = new StringWriter();
            template.process(root, stringWriter);
            String resultStr = stringWriter.toString();
            System.out.println(resultStr);
             
            //以文件形式输出到指定文件
            PrintWriter pt = new PrintWriter(new File("D:/pt.txt"));
            template.process(root,  pt);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

控制台输出结果resultStr:spa

<?xml version="1.0" encoding="utf-8"?>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
Hello FreeMarker!,cfg.setDirectoryForTemplateLoading(new File("/ftl"));测试
</body>
</html>

同时在D盘生成pt.txt文件,内容与resultStr相同。code

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