github ssm整合

ssm框架自學差不多啦，就搞了一個小小的demo，用來增刪改查。 springmvc用來獲取頁面數據，和將后臺的數據轉發到頁面。 spring 作為容器用來整合springmvc ，myabtis框架，整合各種其它框架等。 mybatis充當數據持久層，提供數據支持。

目錄

• • 1. 項目結構
  • 2. ssm整合pom依賴
  • 3. web.xml 初始化spring容器
  • 4. spring mvc配置
  • 5. spring容器整合mybatis

1. 項目結構

環境：mysql5.7.x tomcat9 jdk1.8

2. ssm整合pom依賴

<?xml version="1.0" encoding="UTF-8"?><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>cn.bitqian</groupId><artifactId>ssm_01</artifactId><version>1.0-SNAPSHOT</version><packaging>war</packaging><name>ssm_01 Maven Webapp</name><!-- FIXME change it to the project's website --><url>http://www.example.com</url><properties><project.build.sourceEncoding>UTF-8</project.build.sourceEncoding><maven.compiler.source>1.8</maven.compiler.source><maven.compiler.target>1.8</maven.compiler.target></properties><dependencies><!-- spring 容器 --><dependency><groupId>org.springframework</groupId><artifactId>spring-context</artifactId><version>5.2.3.RELEASE</version></dependency><!-- aop支持 --><dependency><groupId>org.aspectj</groupId><artifactId>aspectjweaver</artifactId><version>1.8.4</version></dependency><!-- spring 事務相關 --><dependency><groupId>org.springframework</groupId><artifactId>spring-jdbc</artifactId><version>5.2.3.RELEASE</version></dependency><!-- 事務相關 把mybatis的事務給spring管理 --><dependency><groupId>org.springframework</groupId><artifactId>spring-tx</artifactId><version>5.2.3.RELEASE</version></dependency><!-- web --><dependency><groupId>org.springframework</groupId><artifactId>spring-web</artifactId><version>5.2.3.RELEASE</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-webmvc</artifactId><version>5.2.3.RELEASE</version></dependency><!-- jsp & servlet --><dependency><groupId>javax.servlet.jsp</groupId><artifactId>jsp-api</artifactId><version>2.2.1-b03</version></dependency><dependency><groupId>javax.servlet</groupId><artifactId>javax.servlet-api</artifactId><version>4.0.1</version></dependency><!-- el表達式 --><dependency><groupId>jstl</groupId><artifactId>jstl</artifactId><version>1.2</version></dependency><!-- spring 整合mybatis --><dependency><groupId>org.mybatis</groupId><artifactId>mybatis-spring</artifactId><version>2.0.5</version></dependency><!-- mybatis --><dependency><groupId>org.mybatis</groupId><artifactId>mybatis</artifactId><version>3.5.5</version></dependency><!--mysql連接驅動--><dependency><groupId>mysql</groupId><artifactId>mysql-connector-java</artifactId><version>8.0.20</version></dependency><!--數據源--><dependency><groupId>com.alibaba</groupId><artifactId>druid</artifactId><version>1.1.21</version></dependency><!-- log4j --><dependency><groupId>log4j</groupId><artifactId>log4j</artifactId><version>1.2.12</version></dependency><dependency><groupId>junit</groupId><artifactId>junit</artifactId><version>4.11</version><scope>test</scope></dependency></dependencies><build><finalName>ssm_01</finalName><pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) --><plugins><plugin><artifactId>maven-clean-plugin</artifactId><version>3.1.0</version></plugin><!-- see http://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_war_packaging --><plugin><artifactId>maven-resources-plugin</artifactId><version>3.0.2</version></plugin><plugin><artifactId>maven-compiler-plugin</artifactId><version>3.8.0</version></plugin><plugin><artifactId>maven-surefire-plugin</artifactId><version>2.22.1</version></plugin><plugin><artifactId>maven-war-plugin</artifactId><version>3.2.2</version></plugin><plugin><artifactId>maven-install-plugin</artifactId><version>2.5.2</version></plugin><plugin><artifactId>maven-deploy-plugin</artifactId><version>2.8.2</version></plugin></plugins></pluginManagement></build> </project>

3. web.xml 初始化spring容器

編碼過濾器，配置加載spring上下文容器，加載核心控制器 <!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><!-- 初始化spring容器 --><context-param><param-name>contextConfigLocation</param-name><param-value>classpath:applicationContext.xml</param-value></context-param><!-- 過濾器配置 --><filter><filter-name>characterEncodingFilter</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>characterEncodingFilter</filter-name><url-pattern>/*</url-pattern></filter-mapping><!-- spring 上下文監聽器--><listener><listener-class>org.springframework.web.context.ContextLoaderListener</listener-class></listener><!-- 配置前端核心控制器 --><servlet><servlet-name>dispatcherServlet</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>dispatcherServlet</servlet-name><url-pattern>/</url-pattern></servlet-mapping></web-app>

4. spring mvc配置

開啟注解驅動的支持，以及視圖資源解析器，靜態資源過濾，將 Controller放入spring容器。可設置異常處理等... <?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:mvc="http://www.springframework.org/schema/mvc"xmlns:context="http://www.springframework.org/schema/context"xsi:schemaLocation="http://www.springframework.org/schema/beanshttp://www.springframework.org/schema/beans/spring-beans.xsdhttp://www.springframework.org/schema/mvchttp://www.springframework.org/schema/mvc/spring-mvc.xsdhttp://www.springframework.org/schema/contexthttp://www.springframework.org/schema/context/spring-context.xsd"><!-- mvc 掃描controller --><context:component-scan base-package="cn.bitqian.controller"/><!-- mvc注解驅動支持 --><mvc:annotation-driven/><!-- 開啟內部資源視圖解析器支持 --><bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"><property name="prefix" value="/WEB-INF/pages/"/><property name="suffix" value=".jsp"/></bean><!-- 靜態資源過濾 --><mvc:default-servlet-handler/></beans>

5. spring容器整合mybatis

管理數據源，管理mapper接口，事務支持 <?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"xmlns:tx="http://www.springframework.org/schema/tx"xsi:schemaLocation="http://www.springframework.org/schema/beanshttp://www.springframework.org/schema/beans/spring-beans.xsdhttp://www.springframework.org/schema/contexthttp://www.springframework.org/schema/context/spring-context.xsdhttp://www.springframework.org/schema/txhttp://www.springframework.org/schema/tx/spring-tx.xsd"><context:component-scan base-package="cn.bitqian"><!-- spring 不掃描controller層 --><context:exclude-filter type="annotation"expression="org.springframework.stereotype.Controller"/></context:component-scan><context:property-placeholder location="classpath:jdbc.properties"/><!-- 配置數據源 --><bean class="com.alibaba.druid.pool.DruidDataSource" id="dataSource"><property name="driverClassName" value="${driver}"/><property name="url" value="${url}"/><property name="username" value="${jdbc.username}"/> <!--user name 會取到系統的username--><property name="password" value="${password}"/></bean><!-- 配置sessionFactory --><bean id="sqlSessionFactoryBean" class="org.mybatis.spring.SqlSessionFactoryBean"><property name="dataSource" ref="dataSource"/><!-- 加載 mybatis核心配置文件--><property name="configLocation" value="classpath:mybatis-config.xml"/><!-- 加載mapper 映射文件--><property name="mapperLocations" value="classpath:cn/bitqian/mapper/*"/></bean><!-- 將mapper接口給spring容器管理 --><bean id="mapperScannerConfigurer" class="org.mybatis.spring.mapper.MapperScannerConfigurer"><property name="basePackage" value="cn.bitqian.dao"/></bean><!-- spring 事務支持 --><bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"><property name="dataSource" ref="dataSource"/></bean><!--開啟事務注解支持 --><tx:annotation-driven/></beans> 更多實現請看上面的git庫。可以下載學習。 創作挑戰賽新人創作獎勵來咯，堅持創作打卡瓜分現金大獎

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