Spring Boot整合FreeMarker
本文讲解如何在Spring Boot整合FreeMarker。
1 创建项目,导入依赖
<?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>
<groupId>com.yiidian</groupId>
<artifactId>ch03_05_springboot_freemarker</artifactId>
<version>1.0-SNAPSHOT</version>
<!-- 导入springboot父工程. 注意:任何的SpringBoot工程都必须有的!!! -->
<!-- 父工程的作用:锁定起步的依赖的版本号,并没有真正到依赖 -->
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.1.11.RELEASE</version>
</parent>
<dependencies>
<!--web起步依赖-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<!-- freemarker -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-freemarker</artifactId>
</dependency>
</dependencies>
</project>
这里记得要到FreeMarker的依赖,否则无法运行!
2 编写Controller
package com.yiidian.controller;
import java.util.ArrayList;
import java.util.List;
import com.yiidian.domain.User;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import javax.servlet.http.HttpServletRequest;
/**
* 控制器
* 一点教程网 - www.yiidian.com
*/
@Controller
public class UserController {
/**
* 用户列表展示
*/
@RequestMapping("/list")
public String list(Model model){
//模拟用户数据
List<User> list = new ArrayList<User>();
list.add(new User(1,"小张",18));
list.add(new User(2,"小李",20));
list.add(new User(3,"小陈",22));
//把数据存入model
model.addAttribute("list", list);
//跳转到freemarker页面: list.ftl
return "list";
}
}
在Controller把数据传递到FreeMarker模板渲染
3 编写FreeMarker模板文件
FreeMarker模板文件必须放在/resources/templates目录下,后缀名为.ftl,内容如下:
<html>
<title>一点教程网-用户列表展示</title>
<meta charset="utf-8"/>
<body>
<h3>用户列表展示</h3>
<table border="1">
<tr>
<th>编号</th>
<th>姓名</th>
<th>年龄</th>
</tr>
<#list list as user>
<tr>
<td>${user.id}</td>
<td>${user.name}</td>
<td>${user.age}</td>
</tr>
</#list>
</table>
</body>
</html>
4 运行测试
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