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  • JAVA:ssm框架搭建

    文章来源:http://www.cnblogs.com/hello-tl/p/8328071.html 

    环境简介 : jdk1.7.0_25/jdk1.8.0_31  tomcat-7.0.81  maven-3.3.9  MyEclipse-2013  spring-4.0.2 springMvc-4.0.2 mybatis-3.2.8

    SSM(Spring+SpringMVC+MyBatis)框架集由Spring、SpringMVC、MyBatis三个开源框架整合而成,常作为数据源较简单的web项目的框架。

    其中spring是一个轻量级的控制反转(IoC)和面向切面(AOP)的容器框架。
    SpringMVC分离了控制器、模型对象、分派器以及处理程序对象的角色,这种分离让它们更容易进行定制。
    MyBatis是一个支持普通SQL查询,存储过程和高级映射的优秀持久层框架。
     
    0、创建一个maven项目
      1)图解
        右键->New->Project
        
     
        出现以下界 选择 Maven Project  ->  Next

        

         

        选择项目路径 -> Next

        

         

        选择项目类型 webapp

        

         

        填写 Group Id / Artifact Id -> Fubush

        

        

        之后会出现一下

        

        项目右键单击 properties 设置项目字符编码

        

        

        设置包 完事之后  maven 项目就创建完毕

        

     1、ssm jar包下载

       1) 下载ssm框架所需jar包

        pom.xml

    <!-- 用来设置版本号 -->
    	<properties>
    		<srping.version>4.0.2.RELEASE</srping.version>
    		<mybatis.version>3.2.8</mybatis.version>
    		<slf4j.version>1.7.12</slf4j.version>
    		<log4j.version>1.2.17</log4j.version>
    	</properties>
    	<!-- 用到的jar包 -->
    	<dependencies>
    		<!-- 单元测试 -->
    		<dependency>
    			<groupId>junit</groupId>
    			<artifactId>junit</artifactId>
    			<version>4.11</version>
    			<!-- 表示开发的时候引入,发布的时候不会加载此包 -->
    			<scope>test</scope>
    		</dependency>
    		<!-- java ee包 -->
    		<dependency>
    			<groupId>javax</groupId>
    			<artifactId>javaee-api</artifactId>
    			<version>7.0</version>
    		</dependency>
    		<!-- spring框架包 start -->
    		<dependency>
    			<groupId>org.springframework</groupId>
    			<artifactId>spring-test</artifactId>
    			<version>${srping.version}</version>
    		</dependency>
    		<dependency>
    			<groupId>org.springframework</groupId>
    			<artifactId>spring-core</artifactId>
    			<version>${srping.version}</version>
    		</dependency>
    		<dependency>
    			<groupId>org.springframework</groupId>
    			<artifactId>spring-oxm</artifactId>
    			<version>${srping.version}</version>
    		</dependency>
    		<dependency>
    			<groupId>org.springframework</groupId>
    			<artifactId>spring-tx</artifactId>
    			<version>${srping.version}</version>
    		</dependency>
    		<dependency>
    			<groupId>org.springframework</groupId>
    			<artifactId>spring-jdbc</artifactId>
    			<version>${srping.version}</version>
    		</dependency>
    		<dependency>
    			<groupId>org.springframework</groupId>
    			<artifactId>spring-aop</artifactId>
    			<version>${srping.version}</version>
    		</dependency>
    		<dependency>
    			<groupId>org.springframework</groupId>
    			<artifactId>spring-context</artifactId>
    			<version>${srping.version}</version>
    		</dependency>
    		<dependency>
    			<groupId>org.springframework</groupId>
    			<artifactId>spring-context-support</artifactId>
    			<version>${srping.version}</version>
    		</dependency>
    		<dependency>
    			<groupId>org.springframework</groupId>
    			<artifactId>spring-expression</artifactId>
    			<version>${srping.version}</version>
    		</dependency>
    		<dependency>
    			<groupId>org.springframework</groupId>
    			<artifactId>spring-orm</artifactId>
    			<version>${srping.version}</version>
    		</dependency>
    		<dependency>
    			<groupId>org.springframework</groupId>
    			<artifactId>spring-web</artifactId>
    			<version>${srping.version}</version>
    		</dependency>
    		<dependency>
    			<groupId>org.springframework</groupId>
    			<artifactId>spring-webmvc</artifactId>
    			<version>${srping.version}</version>
    		</dependency>
    		<!-- spring框架包 end -->
    		<!-- mybatis框架包 start -->
    		<dependency>
    			<groupId>org.mybatis</groupId>
    			<artifactId>mybatis</artifactId>
    			<version>${mybatis.version}</version>
    		</dependency>
    		<dependency>
    			<groupId>org.mybatis</groupId>
    			<artifactId>mybatis-spring</artifactId>
    			<version>1.2.2</version>
    		</dependency>
    		<!-- mybatis框架包 end -->
    		<!-- 数据库驱动 -->
    		<dependency>
    			<groupId>mysql</groupId>
    			<artifactId>mysql-connector-java</artifactId>
    			<version>5.1.35</version>
    		</dependency>
    		<!-- 导入dbcp的jar包,用来在applicationContext.xml中配置数据库 -->
    		<dependency>
    			<groupId>commons-dbcp</groupId>
    			<artifactId>commons-dbcp</artifactId>
    			<version>1.4</version>
    		</dependency>
    		<!-- jstl标签类 -->
    		<dependency>
    			<groupId>jstl</groupId>
    			<artifactId>jstl</artifactId>
    			<version>1.2</version>
    		</dependency>
    		<!-- log start -->
    		<dependency>
    			<groupId>log4j</groupId>
    			<artifactId>log4j</artifactId>
    			<version>${log4j.version}</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 -->
    		<!-- Json -->
    		<!-- 格式化对象,方便输出日志 -->
    		<dependency>
    			<groupId>com.alibaba</groupId>
    			<artifactId>fastjson</artifactId>
    			<version>1.2.6</version>
    		</dependency>
    		<dependency>
    			<groupId>org.codehaus.jackson</groupId>
    			<artifactId>jackson-mapper-asl</artifactId>
    			<version>1.9.13</version>
    		</dependency>
    		<!-- 上传组件包 start -->
    		<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>1.10</version>
    		</dependency>
    		<!-- 上传组件包 end -->
    	</dependencies>
    

      2) 创建几个必要的包

        

         包的作用

    dao 数据访问层(接口) 与数据打交道,可以是数据库操作,也可以是文件读写操作,甚至是redis缓存操作,总之与数据操作有关的都放在这里,也有人叫做dal或者数据持久层都差不多意思。为什么没有daoImpl,因为我们用的是mybatis,所以可以直接在配置文件中实现接口的每个方法。
    dto数据传输层 刚学框架的人可能不明白这个有什么用,其实就是用于service层与web层之间传输,为什么不直接用entity(pojo)?其实在实际开发中发现,很多时间一个entity并不能满足我们的业务需求,可能呈现给用户的信息十分之多,这时候就有了dto,也相当于vo,记住一定不要把这个混杂在entity里面,答应我好吗?
    service业务逻辑接口 写我们的业务逻辑,也有人叫bll,在设计业务接口时候应该站在“使用者”的角度。额,不要问我为什么这里没显示!IDE调皮我也拿它没办法~
    controller控制器 springmvc就是在这里发挥作用的,一般人叫做controller控制器,相当于struts中的action。
    mapper实体类 一般与数据库的表相对应,封装dao层取出来的数据为一个对象,也就是我们常说的pojo,一般只在dao层与service层之间传输。

    2、配置ssm相关的xml文件

      xml文件注释齐全我这里就不解释  配置文件都在 resources 文件下

        文件都有:
           applicationContext.xml

          spring-dao.xml

          spring-db.xml

          spring-mvc.xml 

          spring-tx.xml

          jdbc.properties

          log4j.properties

      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: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">
    
    	<!-- 使用注解式注入 -->
    	<context:annotation-config />
    
    	<!-- 自动扫描 -->
    	<context:component-scan base-package="com.helloTl" />
    
    	<!-- 导入DAO配置 -->
    	<import resource="spring-dao.xml" />
    	<!-- 导入数据库配置 -->
    	<import resource="spring-db.xml" />
    	<!-- 导入数据库配置 -->
    	<import resource="spring-tx.xml" />
    </beans>
    

      spring-dao.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">
    
    
    	<!-- DAO接口所在包名,Spring会自动查找其下的类 -->
    	<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
    		<!--basePackage指定要扫描的包,在此包之下的映射器都会被搜索到。 可指定多个包,包与包之间用逗号或分号分隔 -->
    		<property name="basePackage" value="com.helloTl.controller.dao" />
    		<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
    	</bean>
    
    </beans>

      spring-db.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">
    	<!-- 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/helloTl/mapper/*.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.helloTl.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>    
    

      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">
    
    	<!--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>
    
    	<!-- 添加注解驱动 -->
    	<mvc:annotation-driven />
    	<mvc:default-servlet-handler />
    
    	<!-- 设置使用注解的类所在的包 -->
    	<context:component-scan base-package="com.helloTl.controller" />
    
    	<!-- 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>
    
    	<!-- SpringMVC上传文件时,需要配置MultipartResolver处理器 -->
    	<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-tx.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">
    
    	<!-- (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>
    

      jdbc.properties

    driver=com.mysql.jdbc.Driver
    url=jdbc:mysql://localhost:3306/helloTL
    username=root
    password=root
    #u5B9Au4E49u521Du59CBu8FDEu63A5u6570
    initialSize=0
    #u5B9Au4E49u6700u5927u8FDEu63A5u6570
    maxActive=20
    #u5B9Au4E49u6700u5927u7A7Au95F2
    maxIdle=20
    #u5B9Au4E49u6700u5C0Fu7A7Au95F2 
    minIdle=1
    #u5B9Au4E49u6700u957Fu7B49u5F85u65F6u95F4
    maxWait=60000
    

      log4j.properties

    #u5B9Au4E49LOGu8F93u51FAu7EA7u522B  
    log4j.rootLogger=INFO,Console,File  
    #u5B9Au4E49u65E5u5FD7u8F93u51FAu76EEu7684u5730u4E3Au63A7u5236u53F0  
    log4j.appender.Console=org.apache.log4j.ConsoleAppender  
    log4j.appender.Console.Target=System.out  
    #u53EFu4EE5u7075u6D3Bu5730u6307u5B9Au65E5u5FD7u8F93u51FAu683Cu5F0FuFF0Cu4E0Bu9762u4E00u884Cu662Fu6307u5B9Au5177u4F53u7684u683Cu5F0F  
    log4j.appender.Console.layout = org.apache.log4j.PatternLayout  
    log4j.appender.Console.layout.ConversionPattern=[%c] - %m%n  
      
    #u6587u4EF6u5927u5C0Fu5230u8FBEu6307u5B9Au5C3Au5BF8u7684u65F6u5019u4EA7u751Fu4E00u4E2Au65B0u7684u6587u4EF6  
    log4j.appender.File = org.apache.log4j.RollingFileAppender  
    #u6307u5B9Au8F93u51FAu76EEu5F55  
    log4j.appender.File.File = logs/ssm.log  
    #u5B9Au4E49u6587u4EF6u6700u5927u5927u5C0F  
    log4j.appender.File.MaxFileSize = 10MB  
    # u8F93u51FAu6240u4EE5u65E5u5FD7uFF0Cu5982u679Cu6362u6210DEBUGu8868u793Au8F93u51FADEBUGu4EE5u4E0Au7EA7u522Bu65E5u5FD7  
    log4j.appender.File.Threshold = ALL  
    log4j.appender.File.layout = org.apache.log4j.PatternLayout  
    log4j.appender.File.layout.ConversionPattern =[%p] [%d{yyyy-MM-dd HH:mm:ss}][%c]%m%n 
    

      最后还需要配置一下web.xml  src/main/webapp/WEB-INF/web.xml

      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_3_0.xsd"
    	version="3.0">
    	<display-name>Archetype Created Web Application</display-name>
    
    	<welcome-file-list>
    		<welcome-file>/index.jsp</welcome-file>
    	</welcome-file-list>
    
    	<!-- 加载spring bean -->
    	<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>
    
    	<!-- 编码过滤器 -->
    	<filter>
    		<filter-name>encodingFilter</filter-name>
    		<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
    		<async-supported>true</async-supported>
    		<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 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>
    		<async-supported>true</async-supported>
    	</servlet>
    	<servlet-mapping>
    		<servlet-name>SpringMVC</servlet-name>
    		<url-pattern>/</url-pattern>
    	</servlet-mapping>
    
    
    	<!-- 静态资源文件的引入 -->
    	<servlet-mapping>
    		<servlet-name>default</servlet-name>
    		<url-pattern>*.js</url-pattern>
    	</servlet-mapping>
    	<servlet-mapping>
    		<servlet-name>default</servlet-name>
    		<url-pattern>*.css</url-pattern>
    	</servlet-mapping>
    	<servlet-mapping>
    		<servlet-name>default</servlet-name>
    		<url-pattern>*.png</url-pattern>
    	</servlet-mapping>
    </web-app>

      我们一共配置了8个配置文件我们来看一下结构图

        

    3、测试一下是否完成ssm框架的搭建 我们在网页上打印hello world

      com.helloTl.controller/MainController.java

    package com.helloTl.controller;
    
    import org.springframework.stereotype.Controller;      
    import org.springframework.web.bind.annotation.RequestMapping;    
    
    @Controller
    @RequestMapping("/main")
    public class MainController{
    	
        @RequestMapping(value = "/index")
        public String index(){
            return "main/index";
        }
    }
    

      src/main/webapp/WEB-INF/jsp/main/index.jsp

    <html>
    <body>
    <h2>Hello World! hello-tl.com</h2>
    </body>
    </html>
    

      访问浏览器 http://localhost:8080/hello-tl.com/main/index

      出现以上情况表示ssm搭建成功

     文章来源:http://www.cnblogs.com/hello-tl/p/8328071.html 

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  • 原文地址:https://www.cnblogs.com/hello-tl/p/8328071.html
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