首先引入maven jar依赖

                 
      
       org.springframework.boot
                  
      
       spring-boot-starter-thymeleaf
              
     
     
      net.sourceforge.nekohtml
                 
     
      nekohtml
                 
     
      1.9.22
             

接着在application.properties内配置 thymeleaf

#设置thymeleaf  注意：一定要在web后面添加一个 斜杠 /，否则找不到文件spring.thymeleaf.prefix=classpath:/web/spring.thymeleaf.suffix=.html#设置thymeleaf不按照HTML5严格的检查标签spring.thymeleaf.mode=LEGACYHTML5

模板默认还是放在templates文件夹下，这里我修改到web文件夹下面了

package com.example.demo.controller;import org.springframework.stereotype.Controller;import org.springframework.ui.Model;import org.springframework.web.bind.annotation.RequestMapping;import com.example.demo.entity.Student;@Controller@RequestMapping("/student/")public class StudentController {        @RequestMapping("show")    public String show(Model model) {                Student stu = new Student();        stu.setId(1001);        stu.setName("小明");        model.addAttribute("student", stu);                model.addAttribute("str", "this is spring boot freemarker");        return "show";    }}

 

     
thymeleaf
h3
id:
name: