1、導(dǎo)入需要用到的jar包

<dependencies><!--Spring核心包--><dependency><groupId>org.springframework</groupId><artifactId>spring-context</artifactId><version>${spring.version}</version></dependency><!--SpringMVC核心包--><dependency><groupId>org.springframework</groupId><artifactId>spring-web</artifactId><version>${spring.version}</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-webmvc</artifactId><version>${spring.version}</version></dependency><!--Spring-test測試--><dependency><groupId>org.springframework</groupId><artifactId>spring-test</artifactId><version>${spring.version}</version></dependency><!--文件上傳--><dependency><groupId>commons-fileupload</groupId><artifactId>commons-fileupload</artifactId><version>1.3.3</version></dependency><!--jackson--><dependency><groupId>com.fasterxml.jackson.core</groupId><artifactId>jackson-databind</artifactId><version>2.9.8</version></dependency><dependency><groupId>junit</groupId><artifactId>junit</artifactId><version>4.12</version></dependency><!--Servlet的包--><dependency><groupId>javax.servlet</groupId><artifactId>javax.servlet-api</artifactId><version>3.0.1</version></dependency><!--mybatis核心包--><dependency><groupId>org.mybatis</groupId><artifactId>mybatis</artifactId><version>3.4.6</version></dependency><!--數(shù)據(jù)庫驅(qū)動包--><dependency><groupId>mysql</groupId><artifactId>mysql-connector-java</artifactId><version>5.1.46</version></dependency><!--log4j日志包：用于打印詳細日志（可不要）：需配合log4j.properties使用--><dependency><groupId>log4j</groupId><artifactId>log4j</artifactId><version>1.2.17</version></dependency><!--mybatis與spring整合包是mybatis提供的(mybatis-spring-xxxx.jar)，不是spring-orm--><dependency><groupId>org.mybatis</groupId><artifactId>mybatis-spring</artifactId><version>1.3.2</version></dependency><!--Spring的支持--><dependency><groupId>org.springframework</groupId><artifactId>spring-jdbc</artifactId><version>${spring.version}</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-tx</artifactId><version>${spring.version}</version></dependency><!--連接池--><dependency><groupId>commons-dbcp</groupId><artifactId>commons-dbcp</artifactId><version>1.4</version></dependency></dependencies>

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2、數(shù)據(jù)庫連接配置（jdbc.properties）

jdbc.driverClassName=com.mysql.jdbc.Driver jdbc.url=jdbc:mysql:///數(shù)據(jù)庫名稱?useSSL=false&useUnicode=true&characterEncoding=utf8 jdbc.username=用戶名 jdbc.password=密碼

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3、打印日志配置（可不要：log4j.properties【名字必須為這個】）

#log4j.properties(日志文件:) log4j.rootLogger=ERROR, stdout #log4j.rootLogger=NONE log4j.logger.cn.wang=TRACE　　注意：cn.wang是需要要打印日志的java文件所在的包log4j.appender.stdout=org.apache.log4j.ConsoleAppender log4j.appender.stdout.layout=org.apache.log4j.PatternLayout log4j.appender.stdout.layout.ConversionPattern=%d %p [%c] - %m%n

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4、Spring+MyBatis的集成配置（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: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.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd"><!--用來整合Mybatis--><!--事務(wù)使用：掃描的包 Service--><context:component-scan base-package="cn.wang.service"/><!--引用jdbc配置的屬性文件--><context:property-placeholder location="classpath:jdbc.properties"/><!--數(shù)據(jù)源--><bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close"><property name="driverClassName" value="${jdbc.driverClassName}" /><property name="url" value="${jdbc.url}" /><property name="username" value="${jdbc.username}" /><property name="password" value="${jdbc.password}" /></bean><!--配置SqlSessionFactory--><bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"><property name="dataSource" ref="dataSource" /><!--配置別名--><property name="typeAliasesPackage" value="cn.wang.domain"/><!--注冊映射文件:掃描mapper目錄下的所有mapper.xml文件--><property name="mapperLocations" value="cn.wang.mapper.*Mapper.xml"/></bean><!--注入映射器（給單獨一個mapper接口）--><!--<bean id="userMapper" class="org.mybatis.spring.mapper.MapperFactoryBean"><property name="mapperInterface" value="cn.wang.mapper.UserMapper" /><property name="sqlSessionFactory" ref="sqlSessionFactory" /></bean>--><!--注入映射器（給全部mapper接口：自動掃描Mapper接口生成代理注入到Spring）--><bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"><property name="basePackage" value="cn.wang.mapper" /></bean><!--事務(wù)管理--><bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"><property name="dataSource" ref="dataSource"/></bean><!--以注解的形式進行事務(wù)管理--><tx:annotation-driven transaction-manager="transactionManager"/></beans>

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5、SpringMVC配置（applicationContext-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: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.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd"><!--掃描的包Controller--><context:component-scan base-package="cn.wang.controller"/><!--啟用SpringMVC的注解支持--><mvc:annotation-driven/><!--靜態(tài)資源放行--><mvc:default-servlet-handler/><!--視圖解析器--><bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"><property name="prefix" value="/WEB-INF/views/"/><property name="suffix" value=".jsp"/></bean><!--文件上傳解析器--><bean id="multipartResolver"class="org.springframework.web.multipart.commons.CommonsMultipartResolver"><property name="maxUploadSize"><value>200000000</value></property></bean></beans>

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6、web.xml配置

<?xml version="1.0" encoding="UTF-8"?> <web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaeehttp://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"version="3.1"><!--Spring核心配置文件--><context-param><param-name>contextConfigLocation</param-name><param-value>classpath:applicationContext.xml</param-value></context-param><!--SpringMVC的核心控制器--><servlet><servlet-name>dispatcher</servlet-name><servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class><init-param><!--SpringMVC的配置文件--><param-name>contextConfigLocation</param-name><param-value>classpath:applicationContext-mvc.xml</param-value></init-param><!--即SpringMVC跟著服務(wù)器(tomcat)的啟動而啟動 --><load-on-startup>1</load-on-startup></servlet><servlet-mapping><servlet-name>dispatcher</servlet-name><!--使用杠（/）更加符合咱們的RESTful風(fēng)格 --><url-pattern>/</url-pattern></servlet-mapping><!--Spring啟動的監(jiān)聽器--><listener><listener-class>org.springframework.web.context.ContextLoaderListener</listener-class></listener><!-- 配置相應(yīng)的過濾器:角色SpringMVC 的POST請求的亂碼問題 --><!-- 配置編碼方式過濾器,注意一點:要配置在所有過濾器的前面 --><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></web-app>

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7、MyBatis的映射文件（實體類名+Mapper.xml）

<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE mapperPUBLIC "-//mybatis.org//DTD Mapper 3.0//EN""http://mybatis.org/dtd/mybatis-3-mapper.dtd"> <!--namespace:映射器的全限定名--> <mapper namespace="cn.wang.mapper.UserMapper"><!--id:映射器中對應(yīng)的方法名，resultType:返回的數(shù)據(jù)類型（這里使用了別名，別名在applicationContext.xml里配置）--><select id="findAll" resultType="User">select * from t_user</select></mapper>

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轉(zhuǎn)載于:https://www.cnblogs.com/wanghj-15/p/11200177.html

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