Spring Boot - beetl 模板引擎

傷城~ 2023-10-12 17:17 59阅读 0赞

## head.html、User请参考上篇 ##

[Spring Boot - thymeleaf 模板引擎][Spring Boot - thymeleaf]

## index.btl展示首页数据 ##

<!doctype html>
    <html lang="en">
    <% include("/common/head.html"){
        } %>
    <body>
    <div id="app" style="margin: 20px 20%">
    	欢迎登录，${
        user.name}！
    </div>
    </body>
    </html>

## login.btl展示登录页数据 ##

<!doctype html>
    <html lang="en">
    <% include("/common/head.html"){
        } %>
    <body>
    <div id="app" style="margin: 20px 20%">
    	<form action="/demo/user/login" method="post">
    		用户名<input type="text" name="name" placeholder="用户名"/>
    		密码<input type="password" name="password" placeholder="密码"/>
    		<input type="submit" value="登录">
    	</form>
    </div>
    </body>
    </html>

## IndexController ##

package com.lfsun.springboottemplatebeetl.controller;
    
    import cn.hutool.core.util.ObjectUtil;
    import com.lfsun.springboottemplatebeetl.model.User;
    import lombok.extern.slf4j.Slf4j;
    import org.springframework.stereotype.Controller;
    import org.springframework.web.bind.annotation.GetMapping;
    import org.springframework.web.servlet.ModelAndView;
    
    import javax.servlet.http.HttpServletRequest;
    
    /**
     * <p>
     * 主页
     * </p>
     */
    @Controller
    @Slf4j
    public class IndexController {
        
    
        @GetMapping(value = {
        "", "/"})
        public ModelAndView index(HttpServletRequest request) {
        
            ModelAndView mv = new ModelAndView();
    
            User user = (User) request.getSession().getAttribute("user");
            if (ObjectUtil.isNull(user)) {
        
                mv.setViewName("redirect:/user/login");
            } else {
        
                mv.setViewName("page/index.btl");
                mv.addObject(user);
            }
            return mv;
        }
    }

## UserController ##

package com.lfsun.springboottemplatebeetl.controller;
    
    import com.lfsun.springboottemplatebeetl.model.User;
    import lombok.extern.slf4j.Slf4j;
    import org.springframework.stereotype.Controller;
    import org.springframework.web.bind.annotation.GetMapping;
    import org.springframework.web.bind.annotation.PostMapping;
    import org.springframework.web.bind.annotation.RequestMapping;
    import org.springframework.web.servlet.ModelAndView;
    
    import javax.servlet.http.HttpServletRequest;
    
    /**
     * <p>
     * 用户页面
     * </p>
     */
    @Controller
    @RequestMapping("/user")
    @Slf4j
    public class UserController {
        
        @PostMapping("/login")
        public ModelAndView login(User user, HttpServletRequest request) {
        
            ModelAndView mv = new ModelAndView();
    
            mv.addObject(user);
            mv.setViewName("redirect:/");
    
            request.getSession().setAttribute("user", user);
            return mv;
        }
    
        @GetMapping("/login")
        public ModelAndView login() {
        
            return new ModelAndView("page/login.btl");
        }
    }

## 完整代码案例地址 ##

[Spring Boot 项目集成 beetl 模板引擎][Spring Boot _ beetl]

[Spring Boot - thymeleaf]: https://blog.csdn.net/qq_43116031/article/details/131254303?spm=1001.2014.3001.5501
[Spring Boot _ beetl]: https://gitee.com/lfsun666/springboot-study-2023/tree/master/spring-boot-template-beetl