首先我们在idea下新建一个maven工程
像这样,将模块加进去。注意web项目,还是普通的项目
web项目勾选
普通的项目直接勾选creat from archetype
完了以后就是解决依赖的问题了。
假设A依赖B,B依赖C
那就先把C的坐标(groupId artifactId version)放入B的依赖中,再将C执行 clear compile install,注意:
选择LifeCycle里面的;
项目就创建好了,然后是配置:
springmvc相关的依赖就不用说了,只不过注意:用到jsp的时候再加两个依赖:
<!-- https://mvnrepository.com/artifact/javax.servlet/jstl -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<dependency>
<groupId>taglibs</groupId>
<artifactId>standard</artifactId>
<version>1.1.2</version>
</dependency>
接下来就是web.xml配置
先注意我们的
目录结构:
我们将xml配置文件放在resources里面的,右键mark directory as Test Resources Root;
所以xml配置如下:
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
<display-name>Spring MVC Study</display-name>
<!-- Spring应用上下文, 理解层次化的ApplicationContext -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath*:applicationContext.xml</param-value>
</context-param>
<listener>
<listener-class>
org.springframework.web.context.ContextLoaderListener
</listener-class>
</listener>
<!-- DispatcherServlet, Spring MVC的核心 -->
<servlet>
<servlet-name>mvc-dispatcher</servlet-name>
<servlet-class> org.springframework.web.servlet.DispatcherServlet</servlet-class>
<!-- DispatcherServlet对应的上下文配置, 默认为/WEB-INF/$servlet-name$-servlet.xml
-->
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:mvc-dispatcher-servlet.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>mvc-dispatcher</servlet-name>
<!-- mvc-dispatcher拦截所有的请求-->
<url-pattern>/</url-pattern>
</servlet-mapping>
</web-app>
接下来是一些xml配置:
applicationContext.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"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd">
<!--引入外部属性文件-->
<!--<context:property-placeholder location="classpath:jdbc.properties"/>-->
<bean
class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="locations">
<list>
<value>classpath:jdbc.properties</value>
</list>
</property>
</bean>
<!-- 配置c3p0连接池-->
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="driverClass" value="${jdbc.driverClass}"></property>
<property name="jdbcUrl" value="${jdbc.url}"></property>
<property name="user" value="${jdbc.username}"></property>
<property name="password" value="${jdbc.password}"></property>
</bean>
<!-- 配置业务层-->
<bean id="userService" class="bizImpl.UserServiceImpl" >
<property name="userDAO" ref="userDAO"/>
</bean>
<!-- 配置DAO层-->
<bean id="userDAO" class="daoImpl.UserDAOImpl">
<!-- 注入连接池-->
<property name="dataSource" ref="dataSource"/>
</bean>
<!-- 事物管理 -->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource"></property>
</bean>
<context:component-scan base-package="com.tradingplatform.controller">
<context:include-filter type="annotation"
expression="org.springframework.stereotype.Controller" />
</context:component-scan>
<!-- 配置事物的通知(增强事物) -->
<tx:annotation-driven transaction-manager="transactionManager"/>
<context:annotation-config />
</beans>
注意路径是classpath , 不是/
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" xmlns:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd">
<!-- 本配置文件是工名为mvc-dispatcher的DispatcherServlet使用, 提供其相关的Spring MVC配置 -->
<!-- 启用Spring基于annotation的DI, 使用户可以在Spring MVC中使用Spring的强大功能。 激活 @Required
@Autowired,JSR 250's @PostConstruct, @PreDestroy and @Resource 等标注 -->
<context:annotation-config />
<!-- DispatcherServlet上下文, 只管理@Controller类型的bean, 忽略其他型的bean, 如@Service -->
<context:component-scan base-package="com.*">
<context:include-filter type="annotation"
expression="org.springframework.stereotype.Controller" />
</context:component-scan>
<!-- HandlerMapping, 无需配置, Spring MVC可以默认启动。 DefaultAnnotationHandlerMapping
annotation-driven HandlerMapping -->
<!-- 扩充了注解驱动,可以将请求参数绑定到控制器参数 -->
<mvc:annotation-driven />
<!-- 静态资源处理, css, js, imgs -->
<mvc:resources mapping="/resource/**" location="resources" />
<!-- 配置ViewResolver。 可以用多个ViewResolver。 使用order属性排序。 InternalResourceViewResolver放在最后。 -->
<bean
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="viewClass"
value="org.springframework.web.servlet.view.JstlView" />
<property name="prefix" value="/WEB-INF/jsps/" />
<property name="suffix" value=".jsp" />
</bean>
<!--200*1024*1024即200M resolveLazily属性启用是为了推迟文件解析,以便捕获文件大小异常 -->
<bean id="multipartResolver"
class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
<property name="maxUploadSize" value="209715200" />
<property name="defaultEncoding" value="UTF-8" />
<property name="resolveLazily" value="true" />
</bean>
</beans>
最后是:Controller:
package com.tradingplatform.controller;
import com.spittr.Spittle;
import org.apache.tools.ant.taskdefs.Get;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import java.util.List;
/**
* @program: Tradingplatform
* @description:
* @author: Robert_Wang
* @create: 2018-08-17 18:57
**/
@Controller
@RequestMapping({"/hello","/homepage"})//代表这两个路径都行
public class HelloController {
@RequestMapping("/mvc")
public String helloSay(){
return "home";
}
}