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  • JAVA SSM 示例代码

    SSM 即spring+spring mvc+mybatis,开发工具IDEA

    1.先看下项目结构如图:

     

    2.主要配置文件

    spring-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:p="http://www.springframework.org/schema/p"
           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-3.1.xsd
                            http://www.springframework.org/schema/context
                            http://www.springframework.org/schema/context/spring-context-3.1.xsd
                            http://www.springframework.org/schema/mvc
                            http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">
        <!-- 自动扫描该包,使SpringMVC认为包下用了@controller注解的类是控制器 -->
        <context:component-scan base-package="com.zoe.aop.controller" />
        <!--避免IE执行AJAX时,返回JSON出现下载文件 -->
        <bean id="mappingJacksonHttpMessageConverter"
              class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter">
            <property name="supportedMediaTypes">
                <list>
                    <value>text/html;charset=UTF-8</value>
                </list>
            </property>
        </bean>
        <!-- 启动SpringMVC的注解功能,完成请求和注解POJO的映射 -->
        <bean
                class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
            <property name="messageConverters">
                <list>
                    <ref bean="mappingJacksonHttpMessageConverter" /> <!-- JSON转换器 -->
                </list>
            </property>
        </bean>
        <!-- 定义跳转的文件的前后缀 ,视图模式配置-->
        <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
            <!-- 这里的配置我的理解是自动给后面action的方法return的字符串加上前缀和后缀,变成一个 可用的url地址 -->
            <property name="prefix" value="/WEB-INF/jsp/" />
            <property name="suffix" value=".jsp" />
        </bean>
    
        <!-- 配置文件上传,如果没有使用文件上传可以不用配置,当然如果不配,那么配置文件中也不必引入上传组件包 -->
        <bean id="multipartResolver"
              class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
            <!-- 默认编码 -->
            <property name="defaultEncoding" value="utf-8" />
            <!-- 文件大小最大值 -->
            <property name="maxUploadSize" value="10485760000" />
            <!-- 内存中的最大值 -->
            <property name="maxInMemorySize" value="40960" />
        </bean>
    
    </beans>

    spring-mybatis.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:p="http://www.springframework.org/schema/p"
           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-3.1.xsd
                            http://www.springframework.org/schema/context
                            http://www.springframework.org/schema/context/spring-context-3.1.xsd
                            http://www.springframework.org/schema/mvc
                            http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">
        <!-- 自动扫描 -->
        <context:component-scan base-package="com.zoe.aop" />
        <!-- 引入配置文件 -->
        <bean id="propertyConfigurer"
              class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
            <property name="location" value="classpath:jdbc.properties" />
        </bean>
    
        <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"
              destroy-method="close">
            <property name="driverClassName" value="${driver}" />
            <property name="url" value="${url}" />
            <property name="username" value="${username}" />
            <property name="password" value="${password}" />
            <!-- 初始化连接大小 -->
            <property name="initialSize" value="${initialSize}"></property>
            <!-- 连接池最大数量 -->
            <property name="maxActive" value="${maxActive}"></property>
            <!-- 连接池最大空闲 -->
            <property name="maxIdle" value="${maxIdle}"></property>
            <!-- 连接池最小空闲 -->
            <property name="minIdle" value="${minIdle}"></property>
            <!-- 获取连接最大等待时间 -->
            <property name="maxWait" value="${maxWait}"></property>
        </bean>
    
        <!-- spring和MyBatis完美整合,不需要mybatis的配置映射文件 -->
        <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
            <property name="dataSource" ref="dataSource" />
            <!-- 自动扫描mapping.xml文件 -->
            <property name="mapperLocations" value="classpath:com.zoe.aop.dao/*.xml"></property>
        </bean>
    
        <!-- DAO接口所在包名,Spring会自动查找其下的类 -->
        <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
            <property name="basePackage" value="com.zoe.aop.dao" />
            <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
        </bean>
    
        <!-- (事务管理)transaction manager, use JtaTransactionManager for global tx -->
        <bean id="transactionManager"
              class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
            <property name="dataSource" ref="dataSource" />
        </bean>
    
    </beans>

    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>
      <display-name>Archetype Created Web Application</display-name>
    
      <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:spring-mybatis.xml</param-value>
      </context-param>
      <!-- 编码过滤器 -->
      <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>
      </filter>
      <filter-mapping>
        <filter-name>encodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
      </filter-mapping>
      <!-- Spring监听器 -->
      <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
      </listener>
      <!-- 防止Spring内存溢出监听器 -->
      <listener>
        <listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class>
      </listener>
    
      <!-- Spring MVC servlet -->
      <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:spring-mvc.xml</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
      </servlet>
      <servlet-mapping>
        <servlet-name>SpringMVC</servlet-name>
        <!-- 此处可以可以配置成*.do,对应struts的后缀习惯 -->
        <url-pattern>/</url-pattern>
      </servlet-mapping>
      <welcome-file-list>
        <welcome-file>/index.jsp</welcome-file>
      </welcome-file-list>
    </web-app>

     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.zoe</groupId>
      <artifactId>com.zoe.aop</artifactId>
      <packaging>war</packaging>
      <version>1.0-SNAPSHOT</version>
      <name>com.zoe.aop Maven Webapp</name>
      <url>http://maven.apache.org</url>
    
    
      <properties>
        <!-- spring版本号 -->
        <spring.version>4.0.2.RELEASE</spring.version>
        <!-- mybatis版本号 -->
        <mybatis.version>3.2.6</mybatis.version>
        <!-- log4j日志文件管理包版本 -->
        <slf4j.version>1.7.7</slf4j.version>
        <log4j.version>1.2.17</log4j.version>
      </properties>
    
      <dependencies>
        <dependency>
          <groupId>junit</groupId>
          <artifactId>junit</artifactId>
          <version>4.12</version>
          <scope>test</scope>
        </dependency>
    
        <dependency>
          <groupId>org.springframework</groupId>
          <artifactId>spring-core</artifactId>
          <version>${spring.version}</version>
        </dependency>
    
        <dependency>
          <groupId>org.springframework</groupId>
          <artifactId>spring-web</artifactId>
          <version>${spring.version}</version>
        </dependency>
        <dependency>
          <groupId>org.springframework</groupId>
          <artifactId>spring-oxm</artifactId>
          <version>${spring.version}</version>
        </dependency>
        <dependency>
          <groupId>org.springframework</groupId>
          <artifactId>spring-tx</artifactId>
          <version>${spring.version}</version>
        </dependency>
    
        <dependency>
          <groupId>org.springframework</groupId>
          <artifactId>spring-jdbc</artifactId>
          <version>${spring.version}</version>
        </dependency>
    
        <dependency>
          <groupId>org.springframework</groupId>
          <artifactId>spring-webmvc</artifactId>
          <version>${spring.version}</version>
        </dependency>
        <dependency>
          <groupId>org.springframework</groupId>
          <artifactId>spring-aop</artifactId>
          <version>${spring.version}</version>
        </dependency>
    
        <dependency>
          <groupId>org.springframework</groupId>
          <artifactId>spring-context-support</artifactId>
          <version>${spring.version}</version>
        </dependency>
    
        <dependency>
          <groupId>org.springframework</groupId>
          <artifactId>spring-test</artifactId>
          <version>${spring.version}</version>
        </dependency>
    
        <!-- mybatis核心包 -->
        <dependency>
          <groupId>org.mybatis</groupId>
          <artifactId>mybatis</artifactId>
          <version>${mybatis.version}</version>
        </dependency>
        <!-- mybatis/spring包 -->
        <dependency>
          <groupId>org.mybatis</groupId>
          <artifactId>mybatis-spring</artifactId>
          <version>1.2.2</version>
        </dependency>
        <!-- 导入java ee jar 包 -->
        <dependency>
          <groupId>javax</groupId>
          <artifactId>javaee-api</artifactId>
          <version>7.0</version>
        </dependency>
        <!-- 导入Mysql数据库链接jar包 -->
        <dependency>
          <groupId>mysql</groupId>
          <artifactId>mysql-connector-java</artifactId>
          <version>5.1.30</version>
        </dependency>
        <!-- 导入dbcp的jar包,用来在applicationContext.xml中配置数据库 -->
        <dependency>
          <groupId>commons-dbcp</groupId>
          <artifactId>commons-dbcp</artifactId>
          <version>1.2.2</version>
        </dependency>
        <!-- JSTL标签类 -->
        <dependency>
          <groupId>jstl</groupId>
          <artifactId>jstl</artifactId>
          <version>1.2</version>
        </dependency>
        <!-- 日志文件管理包 -->
        <!-- log start -->
        <dependency>
          <groupId>log4j</groupId>
          <artifactId>log4j</artifactId>
          <version>${log4j.version}</version>
        </dependency>
    
    
        <!-- 格式化对象,方便输出日志 -->
        <dependency>
          <groupId>com.alibaba</groupId>
          <artifactId>fastjson</artifactId>
          <version>1.1.41</version>
        </dependency>
    
    
        <dependency>
          <groupId>org.slf4j</groupId>
          <artifactId>slf4j-api</artifactId>
          <version>${slf4j.version}</version>
        </dependency>
    
        <dependency>
          <groupId>org.slf4j</groupId>
          <artifactId>slf4j-log4j12</artifactId>
          <version>${slf4j.version}</version>
        </dependency>
        <!-- log end -->
        <!-- 映入JSON -->
        <dependency>
          <groupId>org.codehaus.jackson</groupId>
          <artifactId>jackson-mapper-asl</artifactId>
          <version>1.9.13</version>
        </dependency>
        <!-- 上传组件包 -->
        <dependency>
          <groupId>commons-fileupload</groupId>
          <artifactId>commons-fileupload</artifactId>
          <version>1.3.1</version>
        </dependency>
        <dependency>
          <groupId>commons-io</groupId>
          <artifactId>commons-io</artifactId>
          <version>2.4</version>
        </dependency>
        <dependency>
          <groupId>commons-codec</groupId>
          <artifactId>commons-codec</artifactId>
          <version>1.9</version>
        </dependency>
      </dependencies>
    
    
      <build>
        <finalName>com.zoe.aop</finalName>
      </build>
    </project>

    代码:点我下载

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  • 原文地址:https://www.cnblogs.com/Gyoung/p/5136603.html
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