利用maven搭建一个小型SSM框架的web程序

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新建项目

新建maven project

三者全部勾选，
第一个是：创建一个简单的maven工程
第二个是：选择存储路径，只要选择默认即可
第三个是：选择工作区，自己随便创建一个 即可

然后一路finsh 直到创建完成即可

如果创建出来的程序有错误，可以右键项目->选择java ee tools ->点选 generate deployment…这个选项即可

查看webapp是否格式如下

如果不是，则右键项目->选择properties->选择project facets

先取消红框的地方，在勾选那个红框
在弹出的地方进行修改如下 ：

修改红框内容如下即可

然后配置pom.xml文件
maven工程的一个好处就是无需在自行下载导入jar包，而是直接在pom.xml文件写上需要导入的文件即可完成导入

源码如下

<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/4.0.0http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>com.hejie</groupId>
  <artifactId>Web_9_25_0</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <packaging>war</packaging>
 
  <dependencies>
  <!-- spring-webmvc   springmvc的包 -->
  <!-- https://mvnrepository.com/artifact/org.springframework/spring-webmvc -->
       <dependency>
           <groupId>org.springframework</groupId>
           <artifactId>spring-webmvc</artifactId>
           <version>4.3.7.RELEASE</version>
       </dependency>
       
       <!-- spring-jdbc   springjdbc的包-->      
       <!-- https://mvnrepository.com/artifact/org.springframework/spring-jdbc -->
       <dependency>
           <groupId>org.springframework</groupId>
           <artifactId>spring-jdbc</artifactId>
           <version>4.3.7.RELEASE</version>
       </dependency>
       
       <!-- spring aspect -->
       <!-- https://mvnrepository.com/artifact/org.springframework/spring-aspects -->
       <dependency>
           <groupId>org.springframework</groupId>
           <artifactId>spring-aspects</artifactId>
           <version>4.3.7.RELEASE</version>
       </dependency>
       
       <!-- mybatis -->
       <!-- https://mvnrepository.com/artifact/org.mybatis/mybatis -->
       <dependency>
           <groupId>org.mybatis</groupId>
           <artifactId>mybatis</artifactId>
           <version>3.4.2</version>
       </dependency>
       
       <!-- mybatis和spring的整合包 -->
       <!-- https://mvnrepository.com/artifact/org.mybatis/mybatis-spring -->
       <dependency>
           <groupId>org.mybatis</groupId>
           <artifactId>mybatis-spring</artifactId>
           <version>1.3.1</version>
       </dependency>
       
       <!-- c3p0：jdbc 用于连接池的包 -->
       <!-- https://mvnrepository.com/artifact/c3p0/c3p0 -->
       <dependency>
           <groupId>c3p0</groupId>
           <artifactId>c3p0</artifactId>
           <version>0.9.1</version>
       </dependency>
       
       <!-- mysql-connect-java java的mysql驱动包 -->
       <!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java -->
       <dependency>
           <groupId>mysql</groupId>
           <artifactId>mysql-connector-java</artifactId>
           <version>5.0.4</version>
       </dependency>
       
       <!-- jstl-jstl 驱动包 -->
       <!-- https://mvnrepository.com/artifact/jstl/jstl -->
       <dependency>
           <groupId>jstl</groupId>
           <artifactId>jstl</artifactId>
           <version>1.2</version>
       </dependency>
       
       <!-- servlet容器包 -->
       <!-- https://mvnrepository.com/artifact/javax.servlet/servlet-api -->
       <dependency>
           <groupId>javax.servlet</groupId>
           <artifactId>servlet-api</artifactId>
           <version>2.4</version>
           <scope>provided</scope>
       </dependency>
       
       
       <!-- junit测试包 -->
       <!-- https://mvnrepository.com/artifact/junit/junit -->
       <dependency>
           <groupId>junit</groupId>
           <artifactId>junit</artifactId>
           <version>4.12</version>
           <scope>test</scope>
       </dependency>
       
  </dependencies>
</project>

然后配置ssm相关的三个配置

其中applicationContext.xml如下

<?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/beanshttp://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/contexthttp://www.springframework.org/schema/context/spring-context-4.3.xsd">
<!-- 扫描包路径，不扫controller -->
<context:component-scan base-package="com.hejie" use-default-filters="false">
       <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
</context:component-scan>
<!-- 扫描c3p0配置 -->
<bean id="comboPooledDataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
       <property name="jdbcUrl" value="${jdbcUrl}"></property>
       <property name="driverClass" value="${driverClass"></property>
       <property name="user" value="${user}"></property>
       <property name="password" value="${password}"></property>
</bean>
<!-- 扫描mybatis-config 以及配置mapper 扫描 -->
<bean class="org.mybatis.spring.SqlSessionFactoryBean">
       <property name="configLocation" value="classpath:mybatis-config.xml"></property>
       <property name="dataSource" ref="comboPooledDataSource"></property>
       <property name="mapperLocations" value="classpath:mapper/*.xml"></property>
</bean>
</beans>

mybatis-config.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE configuration
PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
</configuration>

springmvc.xml配置如下

<?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/beanshttp://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/contexthttp://www.springframework.org/schema/context/spring-context-4.3.xsd">
<!-- 只扫controller层 -->
<context:component-scan base-package="com.hejie" use-default-filters="true">
       <context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
</context:component-scan>
<bean  class="org.springframework.web.servlet.view.InternalResourceViewResolver">
       <property name="prefix" value="/"></property>
       <property name="suffix" value=".jsp"></property>
</bean>
<!-- 解决maven无法加载css js图片这些静态资源 -->
<!-- 将SpringMVC不能处理的请求交给tomcat -->
<mvc:default-servlet-handler/>
<!-- 支持SpringMVC更高级的一些功能,JSR303校验,快捷ajax请求 -->
<!-- 专门为controller分发请求使用的的！ -->
<mvc:annotation-driven/>
</beans>

db.properties

jdbcUrl=jdbc:mysql://localhost/hejie
driverClass=com.mysql.jdbc.Driver
user=root
password=root

在配置好ssm的xml文件之后，需要在相应项目的web.xml配置，即每次登录相应网页，项目会按照web文件的配置去扫描相应的ssm文件，所以如果报错某个ssm配置文件没有扫描到，就要排查是否是你的文件名字或者路径配置错误了！

web.xml

相关代码：

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaeehttp://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" version="2.5">
  <display-name>Web_9_25_0</display-name>
  <welcome-file-list>
    <welcome-file>index.html</welcome-file>
    <welcome-file>index.htm</welcome-file>
    <welcome-file>index.jsp</welcome-file>
    <welcome-file>default.html</welcome-file>
    <welcome-file>default.htm</welcome-file>
    <welcome-file>default.jsp</welcome-file>
  </welcome-file-list>
 
  <!-- The front controller of this Spring Web application, responsible for handling all application requests -->
       <servlet>
              <servlet-name>springDispatcherServlet</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>
       <!-- Map all requests to the DispatcherServlet for handling -->
       <servlet-mapping>
              <servlet-name>springDispatcherServlet</servlet-name>
              <url-pattern>/</url-pattern>
       </servlet-mapping>
       
       
       
       
       <!-- needed for ContextLoaderListener -->
       <context-param>
              <param-name>contextConfigLocation</param-name>
              <param-value>classpath:applicationContext.xml</param-value>
       </context-param>
       <!-- Bootstraps the root web application context before servlet initialization -->
       <listener>
              <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
       </listener>
</web-app>

导入tomcat 运行没有出错即配置文件成功！

版权所有，禁止转载，违者必究。

喜欢的朋友可以关注博主以及点赞评论喔，未来将会持续更新javaweb相关的内容。

您的支持是我更新最大的动力~