1.pom.xml文件中导包
<!--springboot-web组件-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<!--freemarker 模板引擎-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-freemarker</artifactId>
</dependency>2.controller类
package com.syf.study.controller;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
@Controller
public class PageContrller {
@RequestMapping("/toIndex")
public String index(Map<String,Object> map){
map.put("id",1);
map.put("name","Jane");
map.put("sex",1);
List<String> list =new ArrayList<>();
list.add("Jane1");
list.add("Jane2");
map.put("names",list);
return "index";
}
}3.页面
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8" />
<title>index</title>
</head>
<body>
${id}--${name}
<#list names as n>
${n}
</#list>
<#if sex==1>
男
<#elseif sex==2>
女
<#else>
妖
</#if>
</body>
</html>
4.配置（有默认配置，可写可不写）
spring.freemarker.allow-request-override=false
spring.freemarker.cache=true
spring.freemarker.check-template-location=true
spring.freemarker.charset=UTF-8
spring.freemarker.content-type=text/html
spring.freemarker.expose-request-attributes=false
spring.freemarker.expose-session-attributes=false
spring.freemarker.expose-spring-macro-helpers=false
#spring.freemarker.prefix=
#spring.freemarker.request-context-attribute=
#spring.freemarker.settings.*=
spring.freemarker.suffix=.ftl
spring.freemarker.template-loader-path=classpath:/templates/
#comma-separated list
#spring.freemarker.view-names= # whitelist of view names that can be resolved