Build SpringMVC project with IntelliJ

Silicon Valley classroom 2020-11-10 17:30:35
build springmvc project intellij


1.SpringMVC Project structures,
Code HelloController.java

package controller;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.Controller;
public class HelloController implements Controller{
@Override
public ModelAndView handleRequest(javax.servlet.http.HttpServletRequest httpServletRequest, javax.servlet.http.HttpServletResponse httpServletResponse) throws Exception {
ModelAndView mv = new ModelAndView("index.jsp");
mv.addObject("message", "Hello Spring MVC");
return mv;
}
}

index.jsp

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>The index of hello SpringMVC</title>
</head>
<body>
<h1>${message}</h1>
</body>
</html>

dispatcher-servlet.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="simpleUrlHandlerMapping"
class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">
<property name="mappings">
<props>
<!-- /hello The request for the path is given to id by helloController The controller handles -->
<prop key="/hello">helloController</prop>
</props>
</property>
</bean>
<bean id="helloController" class="controller.HelloController"></bean>
</beans>

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
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"
version="4.0">
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/applicationContext.xml</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<servlet>
<servlet-name>dispatcher</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>dispatcher</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
</web-app>


2.Tomcat To configure
step1: To configure server_name、url、 Port number


step2: Configure project access context

step3: Log configuration
The default log is multiple logs , You need to check other logs

This project tomcat The configuration is complete , In the editor, you will see the configuration just completed tomcat, It's ready to start .

3. exception handling
3-1. build by oneself SpringMvc project org.springframework.web.context.ContextLoaderListener Class cannot find exception handling

org.apache.catalina.core.StandardContext.listenerStart Error configuring application listener of class org.springframework.web.context.ContextLoaderListener
java.lang.ClassNotFoundException: org.springframework.web.context.ContextLoaderListener

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