springBoot---整合freemarker ftl

1.首先导入jar包

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-freemarker</artifactId>
</dependency>

2.查看导入的包，确定已经导入过来了

3.导入成功之后，给自己写的包进行分层

4.然后我们编写我们的controller层的代码

package demo.controller;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import javax.servlet.http.HttpServletRequest;
import java.util.Map;

@Controller
public class FreemarkerIndexController {
    @RequestMapping("/freemarkerIndex")
    public String freemarkerIndex(Map<String,String> result, HttpServletRequest request){
        result.put("welcome","hello");
        return "freemarkerIndex";
    }
}

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
this is welcome ${welcome}
</body>
</html>
5.进行启动

6.查看启动之后内容