(一)html
項目分層:前端
表現層:springmvc(controller)java
業務層:servicemysql
持久層mybatis(mapper)web
經過spring框架整合的思路:spring
1.controller/service/mapper都是javaBean;sql
2.整合表現層,把表現層的對象讓spring管理,實現表現層中調用業務層的對象。數據庫
3.整合業務層,把業務層對象和事務讓spring管理,實如今業務層中調用持久層對象。apache
4.整合持久層,把持久層的對象讓spring管理,實現數據庫的crud操做。api
(二)
風騷的操做
1.準備環境:jdk/ide/database/web 容器(tomcat)
2.準備數據
3.建立項目:複製黏貼請注意:properties-web project setting
4.配置pom.xml,加入依賴:
mybatits框架包;spring-webmvc框架包;mybatis-spring整合包;數據庫驅動包(dbcp);jstl標籤庫包;log4j日誌包
<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/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com.buff</groupId> <artifactId>ssm</artifactId> <version>0.0.1-SNAPSHOT</version> <packaging>war</packaging> <name>ssm Maven Webapp</name> <url>http://maven.apache.org</url> <properties> <!-- spring版本號 --> <spring.version>4.3.8.RELEASE</spring.version> <!-- aspectj版本號 --> <aspectj.version>1.6.12</aspectj.version> <!-- jstl標籤版本 --> <jstl.version>1.2</jstl.version> <!-- mybatis版本號 --> <mybatis.version>3.4.5</mybatis.version> <!-- mybatis-spring整合包版本 --> <mybatis.spring.version>1.3.1</mybatis.spring.version> <!-- mysql版本號 --> <mysql.version>5.1.30</mysql.version> <!-- dbcp數據源鏈接池jar包 --> <dbcp.version>1.2.2</dbcp.version> <!-- log4j日誌包版本 --> <slf4j.version>1.7.7</slf4j.version> <log4j.version>1.2.17</log4j.version> <!-- commons-lang版本 --> <commons.lang.version>2.6</commons.lang.version> </properties> <dependencies> <!-- springmvc依賴包 --> <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-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>${spring.version}</version> </dependency> <dependency> <groupId>org.aspectj</groupId> <artifactId>aspectjweaver</artifactId> <version>${aspectj.version}</version> </dependency> <!-- JSTL標籤類 --> <dependency> <groupId>jstl</groupId> <artifactId>jstl</artifactId> <version>${jstl.version}</version> </dependency> <!-- mybatis核心包 --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>${mybatis.version}</version> </dependency> <!-- mybatis-spring整合包 --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> <version>${mybatis.spring.version}</version> </dependency> <!-- 導入Mysql數據庫連接jar包 --> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>${mysql.version}</version> </dependency> <!-- 導入dbcp數據源鏈接池jar包 --> <dependency> <groupId>commons-dbcp</groupId> <artifactId>commons-dbcp</artifactId> <version>${dbcp.version}</version> </dependency> <!-- 日誌文件管理包 --> <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>${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> <dependency> <groupId>commons-lang</groupId> <artifactId>commons-lang</artifactId> <version>${commons.lang.version}</version> </dependency> <!-- jsp依賴包,只在編譯時須要 --> <dependency> <groupId>javax.servlet</groupId> <artifactId>jsp-api</artifactId> <version>2.0</version> <scope>provided</scope> </dependency> </dependencies> <build> <finalName>ssm</finalName> <plugins> <plugin> <groupId>org.apache.tomcat.maven</groupId> <artifactId>tomcat7-maven-plugin</artifactId> <version>2.1</version> <configuration> <!-- tomcat 的端口號 --> <port>8080</port> <!-- 訪問應用的路徑 --> <path>/ssm</path> <!-- URL按UTF-8進行編碼,解決中文參數亂碼 --> <uriEncoding>UTF-8</uriEncoding> <!-- tomcat名稱 --> <server>tomcat7</server> </configuration> </plugin> </plugins> </build> </project>
5.準備配置文件
sqlMapConfig.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> <!-- 配置自定義別名 --> <typeAliases> <!-- 包掃描方式配置別名 --> <package name="com.buff.ssm.po"/> </typeAliases> </configuration>
springmvc.xml
配置包掃描controller;配置處理器映射器;配置處理器適配器;配置視圖解析器
<?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-4.0.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd"> <!-- 配置包掃描controller --> <context:component-scan base-package="com.buff.ssm.controller"/> <!-- 註解驅動的方式配置處理器映射器和處理器適配器 --> <mvc:annotation-driven></mvc:annotation-driven> <!-- 配置視圖解析器 --> <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <!-- 配置視圖的公共目錄路徑 --> <property name="prefix" value="/WEB-INF/jsp/"></property> <!-- 配置視圖擴展名稱 --> <property name="suffix" value=".jsp"></property> </bean> </beans>
applicationContext-dao.xml
配置數據源對象(DataSource); 配置SqlSessionFactory;配置mapper掃描器(MapperScannerConfigurer)
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-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/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd"> <!-- 加載db.properties文件 --> <context:property-placeholder location="classpath:db.properties"/> <!-- 配置數據源 --> <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close"> <property name="driverClassName" value="${db.driverClassName}"/> <property name="url" value="${db.url}" /> <property name="username" value="${db.username}" /> <property name="password" value="${db.password}" /> <!-- 最大鏈接數量 --> <property name="maxActive" value="${db.maxActive}"/> <!-- 最小空閒鏈接 --> <property name="minIdle" value="${db.minIdle}"/> <!-- 最大空閒鏈接 --> <property name="maxIdle" value="${db.maxIdle}"/> <!-- 初始化鏈接數 --> <property name="initialSize" value="${db.initialSize}"/> <!-- 超時等待時間以毫秒爲單位 --> <property name="maxWait" value="${db.maxWait}"/> </bean> <!-- 配置sqlSessionFactory --> <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> <!-- 注入數據源對象 --> <property name="dataSource" ref="dataSource"></property> <!-- 加載mybatis主配置文件 --> <property name="configLocation" value="classpath:mybatis/sqlMapConfig.xml"></property> </bean> <!-- 配置mapper掃描器 --> <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"> <!-- 配置要掃描的包,說明: 1.若是有多個包,在同一個父包下,配置父包便可 2.不在同一個父包,以半角逗號進行分割:, --> <property name="basePackage" value="com.buff.ssm.mapper"></property> </bean> </beans>
applicationContext-service.xml
配置包掃描service
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-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/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd"> <!-- 配置service掃描 --> <context:component-scan base-package="com.buff.ssm.service"/> </beans>
applicationContext-trans.xml
配置事務管理器(transactionManager);配置通知(txAdvice);配置切面(aop:config)
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-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/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd"> <!-- 配置事務管理器 --> <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <!-- 指定數據源 --> <property name="dataSource" ref="dataSource"/> </bean> <!-- 配置事務通知 --> <tx:advice id="txAdvice" transaction-manager="transactionManager"> <tx:attributes> <!-- 配置傳播行爲 --> <tx:method name="add*" propagation="REQUIRED"/> <tx:method name="insert*" propagation="REQUIRED"/> <tx:method name="save*" propagation="REQUIRED"/> <tx:method name="update*" propagation="REQUIRED"/> <tx:method name="delete*" propagation="REQUIRED"/> <tx:method name="find*" propagation="SUPPORTS" read-only="true"/> <tx:method name="select*" propagation="SUPPORTS" read-only="true"/> <tx:method name="get*" propagation="SUPPORTS" read-only="true"/> <tx:method name="query*" propagation="SUPPORTS" read-only="true"/> </tx:attributes> </tx:advice> <!-- 事務切面配置 --> <aop:config> <!-- 指定com.buff.ssm.service包下的任意類的任意方法,須要事務 --> <aop:advisor advice-ref="txAdvice" pointcut="execution(* com.buff.ssm.service..*.*(..))"/> </aop:config> </beans>
db.properties
db.driverClassName=com.mysql.jdbc.Driver db.url=jdbc:mysql://127.0.0.1:3306/springmvc?characterEncoding=utf-8 db.username=root db.password=123456 db.maxActive=10 db.minIdle=2 db.maxIdle=5 db.initialSize=5 db.maxWait=6000
log4j.properties
# Global logging configuration log4j.rootLogger=INFO, stdout # Console output... log4j.appender.stdout=org.apache.log4j.ConsoleAppender log4j.appender.stdout.layout=org.apache.log4j.PatternLayout log4j.appender.stdout.layout.ConversionPattern=%5p [%t] - %m%n
web.xml
配置 加載spring配置文件(context-param);spring提供的監聽器(ContextLoaderListener);前端控制器(DispatcherServlet)
<?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" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" 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>ssm</display-name> <!-- 加載spring配置文件 --> <context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:spring/applicationContext-*.xml</param-value> </context-param> <!-- 配置spring監聽器 --> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <!-- 配置前端控制器 --> <servlet> <servlet-name>ssm</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <!-- 加載springmvc.xml --> <init-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:spring/springmvc.xml</param-value> </init-param> <!-- 配置tomcat啓動就加載前端控制器 --> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>ssm</servlet-name> <!--配置請求的url規則,說明: 1.*.do,表示以.do結尾的請求進入前端控制器 2./,表示全部請求都進入前端控制器 --> <url-pattern>*.do</url-pattern> </servlet-mapping> <!--默認的歡迎頁面 --> <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>