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bao
2026-01-14 08:37:21 +08:00
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49
heima-leadnews-test/freemarker-demo/pom.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>com.heima</groupId>
<artifactId>heima-leadnews</artifactId>
<version>1.0-SNAPSHOT</version>
<relativePath>../../pom.xml</relativePath>
</parent>
<artifactId>freemarker-demo</artifactId>
<properties>
<maven.compiler.source>8</maven.compiler.source>
<maven.compiler.target>8</maven.compiler.target>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-freemarker</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
</dependency>
<!-- lombok -->
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
</dependency>
<!-- apache 对 java io 的封装工具库 -->
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-io</artifactId>
<version>1.3.2</version>
</dependency>
</dependencies>
</project>

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heima-leadnews-test/freemarker-demo/src/main/java/com/heima/freemarker/FreemarkerDemoApplication.java Normal file
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package com.heima.freemarker;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class FreemarkerDemoApplication {
public static void main(String[] args) {
SpringApplication.run(FreemarkerDemoApplication.class, args);
}
}

57
heima-leadnews-test/freemarker-demo/src/main/java/com/heima/freemarker/controller/HelloController.java Normal file
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package com.heima.freemarker.controller;
import com.heima.freemarker.entity.Student;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import java.util.*;
@Controller
public class HelloController {
@GetMapping("/basic")
public String hello(Model model) {
model.addAttribute("name", "freemarker");
Student student = new Student();
student.setName("小明");
student.setAge(18);
model.addAttribute("stu", student);
return "01-basic";
}
@GetMapping("/list")
public String list(Model model){
Student stu1 = new Student();
stu1.setName("小强");
stu1.setAge(18);
stu1.setMoney(1000.86f);
stu1.setBirthday(new Date());
//小红对象模型数据
Student stu2 = new Student();
stu2.setName("小红");
stu2.setMoney(200.1f);
stu2.setAge(19);
//将两个对象模型数据存放到List集合中
List<Student> stus = new ArrayList<>();
stus.add(stu1);
stus.add(stu2);
//向model中存放List集合数据
model.addAttribute("stus",stus);
Map<String, Student> stuMap = new HashMap<>();
stuMap.put("stu1", stu1);
stuMap.put("stu2", stu2);
model.addAttribute("stuMap",stuMap);
model.addAttribute("today",new Date());
model.addAttribute("point",123123123123123L);
return "02-list";
}
}

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heima-leadnews-test/freemarker-demo/src/main/java/com/heima/freemarker/entity/Student.java Normal file
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package com.heima.freemarker.entity;
import lombok.Data;
import java.util.Date;
@Data
public class Student {
private String name;//姓名
private int age;//年龄
private Date birthday;//生日
private Float money;//钱包
}

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heima-leadnews-test/freemarker-demo/src/main/resources/application.yml Normal file
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server:
port: 8881 #服务端口
spring:
application:
name: freemarker-demo #指定服务名
freemarker:
cache: false #关闭模板缓存，方便测试
settings:
template_update_delay: 0 #检查模板更新延迟时间，设置为0表示立即检查，如果时间大于0会有缓存不方便进行模板测试
suffix: .ftl #指定Freemarker模板文件的后缀名
template-loader-path: classpath:/templates/

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heima-leadnews-test/freemarker-demo/src/main/resources/templates/01-basic.ftl Normal file
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Hello World!</title>
</head>
<body>
<b>普通文本 String 展示：</b><br><br>
Hello ${name!'------'} <br>
<hr>
<b>对象Student中的数据展示：</b><br/>
姓名：${stu.name}<br/>
年龄：${stu.age}
<hr>
</body>
</html>

82
heima-leadnews-test/freemarker-demo/src/main/resources/templates/02-list.ftl Normal file
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Hello World!</title>
</head>
<body>
<#-- list 数据的展示 -->
<b>展示list中的stu数据:</b>
<br>
<br>
<table>
<tr>
<td>序号</td>
<td>姓名</td>
<td>年龄</td>
<td>钱包</td>
</tr>
<#if stus??>
<#list stus as stu>
<#if stu.name="小红">
<tr style="color: red">
<td>${stu_index + 1}</td>
<td>${stu.name}</td>
<td>${stu.age}</td>
<td>${stu.money}</td>
</tr>
<#else >
<tr>
<td>${stu_index + 1}</td>
<td>${stu.name}</td>
<td>${stu.age}</td>
<td>${stu.money}</td>
</tr>
</#if>
</#list>
</#if>
stus集合大小：${stus?size}
</table>
<hr>
<#-- Map 数据的展示 -->
<b>map数据的展示：</b>
<br/><br/>
<a href="###">方式一：通过map['keyname'].property</a><br/>
输出stu1的学生信息：<br/>
姓名：${stuMap['stu1'].name}<br/>
年龄：${stuMap['stu1'].age}<br/>
<br/>
<a href="###">方式二：通过map.keyname.property</a><br/>
输出stu2的学生信息：<br/>
姓名：${stuMap.stu2.name}<br/>
年龄：${stuMap.stu2.age}<br/>
<br/>
<a href="###">遍历map中两个学生信息：</a><br/>
<table>
<tr>
<td>序号</td>
<td>姓名</td>
<td>年龄</td>
<td>钱包</td>
</tr>
<#list stuMap?keys as key>
<tr>
<td>${key_index + 1}</td>
<td>${stuMap[key].name}</td>
<td>${stuMap[key].age}</td>
<td>${stuMap[key].money}</td>
</tr>
</#list>
</table>
<hr>
当前的日期为：${today?datetime} <br>
当前的日期为：${today?string("yyyy年MM月")}<br>
<hr>
${point?c}
</body>
</html>

66
heima-leadnews-test/freemarker-demo/src/test/java/com/heima/freemarker/test/FreemarkerTest.java Normal file
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package com.heima.freemarker.test;
import com.heima.freemarker.FreemarkerDemoApplication;
import com.heima.freemarker.entity.Student;
import freemarker.template.Configuration;
import freemarker.template.Template;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;
import java.io.FileWriter;
import java.util.*;
@SpringBootTest(classes = FreemarkerDemoApplication.class)
@RunWith(SpringRunner.class)
public class FreemarkerTest {
@Autowired
private Configuration configuration;
@Test
public void test() throws Exception {
Template template = configuration.getTemplate("02-list.ftl");
/**
* 合成方法
*/
template.process(getData(),new FileWriter("d:/list.html"));
}
private Map getData(){
Map<String, Object> map = new HashMap<>();
Student stu1 = new Student();
stu1.setName("小强");
stu1.setAge(18);
stu1.setMoney(1000.86f);
stu1.setBirthday(new Date());
//小红对象模型数据
Student stu2 = new Student();
stu2.setName("小红");
stu2.setMoney(200.1f);
stu2.setAge(19);
//将两个对象模型数据存放到List集合中
List<Student> stus = new ArrayList<>();
stus.add(stu1);
stus.add(stu2);
//向model中存放List集合数据
map.put("stus",stus);
Map<String, Student> stuMap = new HashMap<>();
stuMap.put("stu1", stu1);
stuMap.put("stu2", stu2);
map.put("stuMap",stuMap);
map.put("today",new Date());
map.put("point",123123123123123L);
return map;
}
}

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heima-leadnews-test/freemarker-demo/target/classes/application.yml Normal file
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server:
port: 8881 #服务端口
spring:
application:
name: freemarker-demo #指定服务名
freemarker:
cache: false #关闭模板缓存，方便测试
settings:
template_update_delay: 0 #检查模板更新延迟时间，设置为0表示立即检查，如果时间大于0会有缓存不方便进行模板测试
suffix: .ftl #指定Freemarker模板文件的后缀名
template-loader-path: classpath:/templates/

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heima-leadnews-test/freemarker-demo/target/classes/com/heima/freemarker/controller/HelloController.class Normal file
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heima-leadnews-test/freemarker-demo/target/classes/templates/01-basic.ftl Normal file
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Hello World!</title>
</head>
<body>
<b>普通文本 String 展示：</b><br><br>
Hello ${name!'------'} <br>
<hr>
<b>对象Student中的数据展示：</b><br/>
姓名：${stu.name}<br/>
年龄：${stu.age}
<hr>
</body>
</html>

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heima-leadnews-test/freemarker-demo/target/classes/templates/02-list.ftl Normal file
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Hello World!</title>
</head>
<body>
<#-- list 数据的展示 -->
<b>展示list中的stu数据:</b>
<br>
<br>
<table>
<tr>
<td>序号</td>
<td>姓名</td>
<td>年龄</td>
<td>钱包</td>
</tr>
<#if stus??>
<#list stus as stu>
<#if stu.name="小红">
<tr style="color: red">
<td>${stu_index + 1}</td>
<td>${stu.name}</td>
<td>${stu.age}</td>
<td>${stu.money}</td>
</tr>
<#else >
<tr>
<td>${stu_index + 1}</td>
<td>${stu.name}</td>
<td>${stu.age}</td>
<td>${stu.money}</td>
</tr>
</#if>
</#list>
</#if>
stus集合大小：${stus?size}
</table>
<hr>
<#-- Map 数据的展示 -->
<b>map数据的展示：</b>
<br/><br/>
<a href="###">方式一：通过map['keyname'].property</a><br/>
输出stu1的学生信息：<br/>
姓名：${stuMap['stu1'].name}<br/>
年龄：${stuMap['stu1'].age}<br/>
<br/>
<a href="###">方式二：通过map.keyname.property</a><br/>
输出stu2的学生信息：<br/>
姓名：${stuMap.stu2.name}<br/>
年龄：${stuMap.stu2.age}<br/>
<br/>
<a href="###">遍历map中两个学生信息：</a><br/>
<table>
<tr>
<td>序号</td>
<td>姓名</td>
<td>年龄</td>
<td>钱包</td>
</tr>
<#list stuMap?keys as key>
<tr>
<td>${key_index + 1}</td>
<td>${stuMap[key].name}</td>
<td>${stuMap[key].age}</td>
<td>${stuMap[key].money}</td>
</tr>
</#list>
</table>
<hr>
当前的日期为：${today?datetime} <br>
当前的日期为：${today?string("yyyy年MM月")}<br>
<hr>
${point?c}
</body>
</html>