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SpringBoot2：学SpringBoot前的知识准备-用IDEA创建传统的webapp工程，并整合SpringMVC

news 来源：原创 2024/9/20 0:00:47

1、IDEA创建工程

基于Maven模板创建的SpringMVC工程
在这里插入图片描述
工程创建好后，只有webapp目录

这里，我们需要手动创建java目录和resources配置文件目录

创建好后，配置下目录属性

最终结构

至此，工程就创建好了

2、配置Tomcat

参考：IDEA配置Tomcat
在这里插入图片描述

3、整合SpringMVC

pom.xml

<?xml version="1.0" encoding="UTF-8"?><project xmlns="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>mvcweb</groupId><artifactId>mvcweb</artifactId><version>1.0-SNAPSHOT</version><packaging>war</packaging><name>mvcweb Maven Webapp</name><!-- FIXME change it to the project's website --><url>http://www.example.com</url><properties><project.build.sourceEncoding>UTF-8</project.build.sourceEncoding><maven.compiler.source>8</maven.compiler.source><maven.compiler.target>8</maven.compiler.target><project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding><!-- spring版本号 --><spring.version>4.2.5.RELEASE</spring.version><!-- mybatis版本号 --><mybatis.version>3.2.8</mybatis.version><!-- mysql驱动版本号 --><mysql-driver.version>5.1.29</mysql-driver.version><!-- log4j日志包版本号 --><slf4j.version>1.7.18</slf4j.version><log4j.version>1.2.17</log4j.version></properties><dependencies><!-- 添加spring核心依赖 --><dependency><groupId>org.springframework</groupId><artifactId>spring-webmvc</artifactId><version>${spring.version}</version></dependency><dependency><groupId>javax</groupId><artifactId>javaee-api</artifactId><version>8.0</version></dependency><dependency><groupId>com.alibaba</groupId><artifactId>fastjson</artifactId><version>1.1.41</version></dependency></dependencies><build><finalName>mvcweb</finalName><pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) --><plugins><plugin><artifactId>maven-clean-plugin</artifactId><version>3.4.0</version></plugin><!-- see http://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_war_packaging --><plugin><artifactId>maven-resources-plugin</artifactId><version>3.3.1</version></plugin><plugin><artifactId>maven-compiler-plugin</artifactId><version>3.13.0</version></plugin><plugin><artifactId>maven-surefire-plugin</artifactId><version>3.3.0</version></plugin><plugin><artifactId>maven-war-plugin</artifactId><version>3.4.0</version></plugin><plugin><artifactId>maven-install-plugin</artifactId><version>3.1.2</version></plugin><plugin><artifactId>maven-deploy-plugin</artifactId><version>3.1.2</version></plugin></plugins></pluginManagement></build>
</project>

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-appversion="4.0"xmlns="http://xmlns.jcp.org/xml/ns/javaee"xmlns:javaee="http://xmlns.jcp.org/xml/ns/javaee"xmlns:xml="http://www.w3.org/XML/1998/namespace"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"><display-name>Archetype Created Web Application</display-name><!-- springMVC核心配置 --><servlet><servlet-name>springmvc</servlet-name><servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class><init-param><param-name>contextConfigLocation</param-name><param-value>classpath:conf/spring-mvc.xml</param-value></init-param><load-on-startup>1</load-on-startup></servlet><servlet-mapping><servlet-name>springmvc</servlet-name><url-pattern>*.do</url-pattern></servlet-mapping>
</web-app>

创建jsp页面
页面位置：E:\workspace\mvcweb\src\main\webapp\hello.jsp

<html>
<head><title>Test SpringMVC</title>
</head>
<body>
<h2>Hello SpringMVC</h2>
</body>
</html>

创建hello controller
我这里用的最原始的springmvc接口方式，继承controller类的方式写一个测试接口

package com.mvc.controller;import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.Controller;import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;public class HelloController implements Controller {@Overridepublic ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response) throws Exception {ModelAndView mv = new ModelAndView("hello.jsp");return mv;}
}

创建spring-mvc.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd"><bean id="/hello.do" class="com.mvc.controller.HelloController"/>
</beans>