[Java知识库] IDEA用maven和Spring模板分别创建SpringMVC项目

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[Java知识库]IDEA用maven和Spring模板分别创建SpringMVC项目

史上最全的SpringMVC教程，终于整理出来了

IDEA创建一个SpringMVC项目（基于注解）

用Idea创建一个SpringMVC项目（超详细）

idea创建SpringMVC项目

Intellij IDEA的Facets和Artifacts

SpringMVC原理(不使用注解)

【SpringMVC学习03】SpringMVC中注解和非注解方式下的映射器和适配器总结

springmvc非注解项目开发流程

springmvc不使用注解的配置

java.lang.ClassNotFoundException: org.springframework.web.servlet. DispatcherServlet…

轻松解决 java.lang.ClassNotFoundException: org.springframework.web.servlet.DispatcherServlet

SpringMVC启动报错“java.lang.ClassNotFoundException: org.springframework.web. servlet.DispatcherServlet“

轻松解决 java.lang.ClassNotFoundException: org.springframework.web.servlet.DispatcherServlet

在这里插入图片描述

在这里插入图片描述

TestController

package com.deng.controller;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;

/**
 * @Desc: 处理器
 * @Author: 知否技术
 * @date: 下午7:39 2022/4/29
 */
@Controller
public class TestController {
    @RequestMapping("/hello")
    public ModelAndView sayHello() {
        ModelAndView mv = new ModelAndView();
        mv.addObject("msg", "原来是小别扇");
        mv.setViewName("/hello");
        return mv;
    }
}

springmvc.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"
       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">


    <!-- 扫描组件，将加上@Controller注解的类作为SpringMVC的控制层 -->
    <context:component-scan base-package="com.deng.controller"></context:component-scan>
    <!--
        配置视图解析器
        作用：将prefix + 视图名称 + suffix 确定最终要跳转的页面
       -->
    <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/WEB-INF/view/"></property>
        <property name="suffix" value=".jsp"></property>
    </bean>

</beans>

<%@ page isELIgnored="false" %>

hello.jsp

<%--
  Created by IntelliJ IDEA.
  User: U100926
  Date: 2022/08/27
  Time: 18:04
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>

<%--少了这一行，jsp页面接收不到值显示${msg}--%>
<%@ page isELIgnored="false" %>

<html>
<head>
    <title>springmvc2</title>
</head>
<body>
<span style="font-size:30px; color:darkgreen;">springmvc的第一个程序：${msg}</span>
<p>${msg}</p>
</body>
</html>

web.xml

<!DOCTYPE web-app PUBLIC
        "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
        "http://java.sun.com/dtd/web-app_2_3.dtd" >
<web-app>
  <!--servlet: DispatcherServlet-->
  <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:springmvc.xml</param-value>
    </init-param>
    <load-on-startup>1</load-on-startup>
  </servlet>
  <servlet-mapping>
    <servlet-name>SpringMVC</servlet-name>
    <url-pattern>/</url-pattern>
  </servlet-mapping>
</web-app>

index.jsp

<html>
<body>
<h2>Hello World!</h2>
</body>
</html>

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>org.example</groupId>
  <artifactId>springmvc2</artifactId>
  <version>1.0-SNAPSHOT</version>
  <packaging>war</packaging>

  <name>springmvc2 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>1.7</maven.compiler.source>
    <maven.compiler.target>1.7</maven.compiler.target>
  </properties>

  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>4.11</version>
      <scope>test</scope>
    </dependency>
    <!-- servlet -->
    <dependency>
      <groupId>javax.servlet</groupId>
      <artifactId>javax.servlet-api</artifactId>
      <version>4.0.1</version>
    </dependency>
    <!--springmvc -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-webmvc</artifactId>
      <version>5.2.8.RELEASE</version>
    </dependency>
    <!-- junit -->
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>4.11</version>
      <scope>test</scope>
    </dependency>
  </dependencies>

  <build>
    <finalName>springmvc2</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>3.1.0</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>3.0.2</version>
        </plugin>
        <plugin>
          <artifactId>maven-compiler-plugin</artifactId>
          <version>3.8.0</version>
        </plugin>
        <plugin>
          <artifactId>maven-surefire-plugin</artifactId>
          <version>2.22.1</version>
        </plugin>
        <plugin>
          <artifactId>maven-war-plugin</artifactId>
          <version>3.2.2</version>
        </plugin>
        <plugin>
          <artifactId>maven-install-plugin</artifactId>
          <version>2.5.2</version>
        </plugin>
        <plugin>
          <artifactId>maven-deploy-plugin</artifactId>
          <version>2.8.2</version>
        </plugin>
      </plugins>
    </pluginManagement>
  </build>
</project>