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I have an app which is a simplified version of the Spring Bookmark tutorial. In it, Controllers are annotated with @RestController and the app only returns JSON.
I've added to mine the ability to return HTML via Thymeleaf templates. My templates are being returned, but they don't seem to be processed by Thymeleaf. I'm using spring-boot, and I've spring-boot-starter-thymeleaf to my build.gradle file, but that doesn't seem to be enough.
For example, here's a simple controller for the root:
package com.latencyzero.hoa;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.servlet.ModelAndView;
@Controller
@RequestMapping("/")
class
MainController
{
@RequestMapping(method = RequestMethod.GET)
ModelAndView
index()
{
ModelAndView mav = new ModelAndView("index");
mav.addObject("version", "0.1");
return mav;
}
}
and src/main/resources/templates/index.html:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8"/>
<title>HOA v${version}</title>
</head>
<body>
<h1>HOA v${version}</h1>
</body>
</html>
Results in the following page being rendered:
The examples I've found suggest this is all I need to do, but it's not working. Do I need some additional configuration annotations somewhere?
Thanks.
246
I had faced the similar problem with the @RestController when I replaced it with @Controller it worked as expected.
155
These are the 2 options based on Thymeleaf Tutorials
Inlining Expression
- MainController.java
package com.latencyzero.hoa;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.servlet.ModelAndView;
@Controller
@RequestMapping("/")
class MainController
{
@RequestMapping(method = RequestMethod.GET)
ModelAndView
index()
{
ModelAndView mav = new ModelAndView("index");
mav.addObject("version", "0.1");
return mav;
}
}
- index.html
<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.w3.org/1999/xhtml">
<head>
<meta charset="UTF-8"/>
<title>HOA v[[${version}]]</title>
</head>
<body>
<h1>HOA v[[${version}]]</h1>
</body>
</html>
Natural Template
- MainController.java
package com.latencyzero.hoa;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.servlet.ModelAndView;
@Controller
@RequestMapping("/")
class MainController
{
@RequestMapping(method = RequestMethod.GET)
ModelAndView
index()
{
ModelAndView mav = new ModelAndView("index");
mav.addObject("hoa_version", "HOA v0.1");
return mav;
}
}
- index.html
<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.w3.org/1999/xhtml">
<head>
<meta charset="UTF-8"/>
<title th:text="${hoa_version}">Default Title</title>
</head>
<body>
<h1 th:text="${hoa_version}">Default Header</h1>
</body>
</html>
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