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IDEA 创建 Java 项目 SpringMVC Thymeleaf 碰到的问题

news 2026/6/11 2:06:43

IDEA 创建 Java 项目 SpringMVC Thymeleaf 碰到的问题

一、环境配置

1.1、Maven 配置

Maven 配置阿里云镜像等

1.2、IDEA 配置 Maven

1.3、IDEA 添加 Tomcat

二、创建 Project

<?xml version="1.0" encoding="UTF-8"?><projectxmlns="http://maven.apache.org/POM/4.0.0"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"><modelVersion>4.0.0</modelVersion><groupId>com.yangjunbo</groupId><artifactId>springmvc-demo-01</artifactId><version>1.0-SNAPSHOT</version><properties><maven.compiler.source>17</maven.compiler.source><maven.compiler.target>17</maven.compiler.target><project.build.sourceEncoding>UTF-8</project.build.sourceEncoding></properties><dependencies><!-- SpringMVC --><dependency><groupId>org.springframework</groupId><artifactId>spring-webmvc</artifactId><version>5.3.1</version></dependency><!-- 日志 --><dependency><groupId>ch.qos.logback</groupId><artifactId>logback-classic</artifactId><version>1.2.3</version></dependency><!-- Spring5和Thymeleaf整合包 --><dependency><groupId>org.thymeleaf</groupId><artifactId>thymeleaf-spring5</artifactId><version>3.0.12.RELEASE</version></dependency></dependencies></project>

<?xml version="1.0" encoding="UTF-8"?><web-appxmlns="https://jakarta.ee/xml/ns/jakartaee"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="https://jakarta.ee/xml/ns/jakartaee https://jakarta.ee/xml/ns/jakartaee/web-app_5_0.xsd"version="5.0"><!-- 配置SpringMVC的前端控制器，对浏览器发送的请求统一进行处理 --><servlet><servlet-name>springMVC</servlet-name><servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class><!-- 通过初始化参数指定SpringMVC配置文件的位置和名称 --><init-param><!-- contextConfigLocation为固定值 --><param-name>contextConfigLocation</param-name><!-- 使用classpath:表示从类路径查找配置文件，例如maven工程中的src/main/resources --><param-value>classpath:springMVC.xml</param-value></init-param><!-- 作为框架的核心组件，在启动过程中有大量的初始化操作要做 而这些操作放在第一次请求时才执行会严重影响访问速度 因此需要通过此标签将启动控制DispatcherServlet的初始化时间提前到服务器启动时 --><load-on-startup>1</load-on-startup></servlet><servlet-mapping><servlet-name>springMVC</servlet-name><!-- 设置springMVC的核心控制器所能处理的请求的请求路径 /所匹配的请求可以是/login或.html或.js或.css方式的请求路径 但是/不能匹配.jsp请求路径的请求 --><url-pattern>/</url-pattern></servlet-mapping></web-app>

<?xml version="1.0" encoding="UTF-8"?><beansxmlns="http://www.springframework.org/schema/beans"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xmlns:context="http://www.springframework.org/schema/context"xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd"><!-- 自动扫描包 --><context:component-scanbase-package="yang.junbo.mvc"/><!-- 配置Thymeleaf视图解析器 --><beanid="viewResolver"class="org.thymeleaf.spring5.view.ThymeleafViewResolver"><propertyname="order"value="1"/><propertyname="characterEncoding"value="UTF-8"/><propertyname="templateEngine"><beanclass="org.thymeleaf.spring5.SpringTemplateEngine"><propertyname="templateResolver"><beanclass="org.thymeleaf.spring5.templateresolver.SpringResourceTemplateResolver"><!-- 视图前缀 --><propertyname="prefix"value="/WEB-INF/templates/"/><!-- 视图后缀 --><propertyname="suffix"value=".html"/><propertyname="templateMode"value="HTML5"/><propertyname="characterEncoding"value="UTF-8"/></bean></property></bean></property></bean></beans>

packageyang.junbo.mvc;importorg.springframework.stereotype.Controller;importorg.springframework.web.bind.annotation.RequestMapping;/** * ClassName: HelloController * Package: yang.junbo.mvc * Description: * * @Author 杨钧博 * @Create 2026/6/10 19:39 * @Version 1.0 */@ControllerpublicclassHelloController{// localhost:8080/springMVC/@RequestMapping("/")publicStringindex(){//设置视图名称return"index";}}

<!DOCTYPEhtml><htmllang="en"xmlns:th="http://www.thymeleaf.org"><head><metacharset="UTF-8"><title>首页</title></head><body><h1>首页</h1><ath:href="@{/hello}">HelloWorld</a><br/></body></html>