themeleaf是springboot推荐的页面渲染方式
用法总结暂时参见此博客
配置好之后访问测试接口报错：
controller：
@Controller
@RequestMapping("/demo")
public class SampleController {
@RequestMapping("/thymeleaf")
public String thymeleaf(Model model){
System.out.println("hello");
model.addAttribute("name","yuanfei");
return "hello";
}
}application.properties
spring.thymeleaf.prefix=classpath:/templates/
spring.thymeleaf.suffix=.html目录截图：
启动MainApplication，
访问 /demo/thymeleaf
控制台能打印输出 hello，但是页面上却是404
Whitelabel Error Page
This application has no explicit mapping for /error, so you are seeing this as a fallback.
解决：添加thymeleaf依赖
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>启动，查看效果：
hello.html 页面代码：
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org">
<head>
<title>hello</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
</head>
<body>
<p th:text="'Hello, ' + ${name} + '!'" ></p>
</body>
</html>