ssm的.xml文件

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:aop="http://www.springframework.org/schema/aop"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:tx="http://www.springframework.org/schema/tx"
    xsi:schemaLocation="
    http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
    http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd
    http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd
    http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd
    ">

    <!--使Spring支持自動檢測組件，如註解的@Controller -->
<context:component-scan base-package="com.root.ssmdemo"></context:component-scan>
    
    <!-- C3PO 連接池 -->
    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
    	<property name="driverClass" value="com.mysql.jdbc.Driver"></property>
    	<property name="jdbcUrl" value="jdbc:mysql://localhost:3306/ssmdemo?useSSL=false"></property>
    	<property name="user" value="root"></property>
    	<property name="password" value="wyj980206"></property>
    </bean>
    
    <!-- 註冊SqlSessionFactoryBean -->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource" />
        <!-- mybatis總配置文件路徑 -->
        <property name="configLocation" value="classpath:mybatis-config.xml" />
        <!-- mapper和resultmap配置路徑 -->
        <property name="mapperLocations" value="classpath:com/root/ssmdemo/mapper/*.xml"></property>
    </bean>
    
    <!-- Mapper掃描器 -->
	<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
		<!-- Mapper接口所在的包 -->
        <property name="basePackage" value="com.root.ssmdemo.mapper" />
        <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
    </bean>
</beans>

log4j.properties

#USE THIS SETTING FOR OUTPUT MYBATIS`s SQL ON THE CONSOLE
log4j.rootLogger=DEBUG,Console

#Console
log4j.appender.Console=org.apache.log4j.ConsoleAppender
log4j.appender.Console.layout=org.apache.log4j.PatternLayout
log4j.appender.Console.layout.ConversionPattern=%d [%t] %-5p [%c] - %m%n

log4j.logger.java.sql.ResultSet=INFO
log4j.logger.org.apache=INFO
log4j.logger.java.sql.Connection=DEBUG
log4j.logger.java.sql.Statement=DEBUG
log4j.logger.java.sql.PreparedStatement=DEBUG

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>
	<settings>
		<setting name="logImpl" value="LOG4J"/>
	</settings>
	<!-- 取別名 -->
	<typeAliases>
  		<typeAlias type="com.root.ssmdemo.pojo.UserInf" alias="u"></typeAlias>
  		<typeAlias type="com.root.ssmdemo.pojo.UserType" alias="ut"></typeAlias>
	</typeAliases>
</configuration>

spring-mvc.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--spring 配置文件-->
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:context="http://www.springframework.org/schema/context"
	xmlns:aop="http://www.springframework.org/schema/aop"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    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/aop http://www.springframework.org/schema/aop/spring-aop.xsd
    http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd
    ">	
    <!-- 解決@RequestMapping中文亂碼 -->
    <mvc:annotation-driven>
	<mvc:message-converters register-defaults="true">
	<bean class="org.springframework.http.converter.StringHttpMessageConverter">
	<property name="supportedMediaTypes" value = "text/plain;charset=UTF-8" />
	</bean>
	</mvc:message-converters>
	
	<!-- 註冊MVC註解驅動 -->
	</mvc:annotation-driven>
	
	<!-- 靜態資源可訪問的設置方式 -->
	<mvc:default-servlet-handler/>
	
	<!-- 視圖解析器 -->
	<bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
		<property name="prefix" value="/"></property>
		<property name="suffix" value=".jsp"></property>
	</bean>
	
    <!-- 組件掃描器 掃描控制器 -->
    <context:component-scan base-package="com.root.ssmdemo.controller"></context:component-scan>
    
    <!-- 打開 依賴注入開關 -->
    <context:annotation-config />
</beans>

pom.xml

<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/maven-v4_0_0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>com.root</groupId>
  <artifactId>ssmdemo</artifactId>
  <packaging>war</packaging>
  <version>0.0.1-SNAPSHOT</version>
  <name>ssmdemo Maven Webapp</name>
  <url>http://maven.apache.org</url>
  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>3.8.1</version>
      <scope>test</scope>
    </dependency>
	<!-- spring-context -->
	<dependency>
	    <groupId>org.springframework</groupId>
	    <artifactId>spring-context</artifactId>
	    <version>5.0.8.RELEASE</version>
	</dependency>
	  <!-- spring-core -->
	<dependency>
	    <groupId>org.springframework</groupId>
	    <artifactId>spring-core</artifactId>
	    <version>5.0.8.RELEASE</version>
	</dependency>
	<!-- spring-beans -->
	<dependency>
	    <groupId>org.springframework</groupId>
	    <artifactId>spring-beans</artifactId>
	    <version>5.0.8.RELEASE</version>
	</dependency>
	<!-- spring-web -->
	<dependency>
	    <groupId>org.springframework</groupId>
	    <artifactId>spring-web</artifactId>
	    <version>5.0.8.RELEASE</version>
	</dependency>
	<!-- spring-webmvc -->
	<dependency>
	    <groupId>org.springframework</groupId>
	    <artifactId>spring-webmvc</artifactId>
	    <version>5.0.8.RELEASE</version>
	</dependency>
	<!-- mybatis -->
	<dependency>
	    <groupId>org.mybatis</groupId>
	    <artifactId>mybatis</artifactId>
	    <version>3.4.6</version>
	</dependency>
	<!-- mybatis-spring -->
	<dependency>
	    <groupId>org.mybatis</groupId>
	    <artifactId>mybatis-spring</artifactId>
	    <version>1.3.1</version>
	</dependency>
	<!--jstl -->
	<dependency>
	    <groupId>javax.servlet</groupId>
	    <artifactId>jstl</artifactId>
	    <version>1.2</version>
	</dependency>
	<!-- mysql-connector-java -->
	<dependency>
	    <groupId>mysql</groupId>
	    <artifactId>mysql-connector-java</artifactId>
	    <version>5.1.38</version>
	</dependency>
	<!-- aspectjweaver -->
	<dependency>
	    <groupId>org.aspectj</groupId>
	    <artifactId>aspectjweaver</artifactId>
	    <version>1.8.10</version>
	</dependency>
	<!-- log4j -->
	<dependency>
	    <groupId>log4j</groupId>
	    <artifactId>log4j</artifactId>
	    <version>1.2.17</version>
	</dependency>
	<!-- slf4j-api -->
	<dependency>
	    <groupId>org.slf4j</groupId>
	    <artifactId>slf4j-api</artifactId>
	    <version>1.7.25</version>
	</dependency>
	<!-- spring-tx -->
	<dependency>
	    <groupId>org.springframework</groupId>
	    <artifactId>spring-tx</artifactId>
	    <version>5.0.8.RELEASE</version>
	</dependency>
	<!-- spring-jdbc -->
	<dependency>
	    <groupId>org.springframework</groupId>
	    <artifactId>spring-jdbc</artifactId>
	    <version>5.0.8.RELEASE</version>
	</dependency>
	<!-- c3p0 -->
	<dependency>
    <groupId>com.mchange</groupId>
    <artifactId>c3p0</artifactId>
    <version>0.9.5.2</version>
	</dependency>

  </dependencies>
  
  
  <build>
    <finalName>ssmdemo</finalName>
  </build>
</project>

web.xml

<?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/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">
  <display-name>ssmdemo</display-name>
  <!-- 編碼過濾器 -->
  <filter>
        <filter-name>encodingFilter</filter-name>
        <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
        <init-param>
            <param-name>encoding</param-name>
            <param-value>UTF-8</param-value>
        </init-param>
        <init-param>
            <param-name>forceEncoding</param-name>
            <param-value>true</param-value>
        </init-param>
    </filter>
    <filter-mapping>
        <filter-name>encodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
    
    <!-- 核心控制器 -->
    <!-- 默認情況下：spring mvc會從web-inf目錄中查找xxx.servlet.xml的文件，xxx指的是 -servlet-name-->
    <servlet>
    	<servlet-name>dispatcherServlet</servlet-name>
    	<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    	<!-- 手動指定spring mvc的配置文件 -->
    	<init-param>
    		<param-name>contextConfigLocation</param-name>
    		<param-value>classpath:spring-mvc.xml</param-value>
    	</init-param>
    	<!-- 指定啓動順序，最先加載核心控制器 -->
    	<load-on-startup>1</load-on-startup>
    </servlet>
  	<servlet-mapping>
  		<servlet-name>dispatcherServlet</servlet-name>
  		<!-- 確定控制器的後綴的 -->
  		<url-pattern>*.action</url-pattern>
  	</servlet-mapping>
  <!-- 配置適配器spring -->
  <listener>
	  <description>啓動spring容器</description>
	  <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  </listener>
  <context-param>
  	<param-name>contextConfigLocation</param-name>
  	<param-value>classpath:applicationContext.xml</param-value>
  </context-param>
  <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>
</web-app>