Spring+SpringMVC+Mybatis+Oracle+Maven整合开发-超详解
一、准备工作:
1、安装STS或Eclipse或MyEclipse工具
STS下载地址:https://spring.io/tools
2、下载好mybatis-generator的jar包(版本可自行选择),本人使用的是1.3.2版本:mybatis-generator-core-1.3.7.jar
下载地址:https://github.com/mybatis/generator/releases
3、准备好生成语句,jar包版本替换为自己下载的版本:
java -jar mybatis-generator-core-1.3.7.jar -configfile generator.xml -overwrite
4、新建generator.xml文件,代码如下,请自行更改。
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE generatorConfiguration PUBLIC "-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN" "http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd">
<generatorConfiguration>
<!-- 数据库驱动包位置 -->
<!-- <classPathEntry location="D:\lib\mysql-connector-java-5.1.39.jar" /> -->
<classPathEntry location="D:\app\Administrator\product\11.2.0\dbhome_1\jdbc\lib\ojdbc6.jar" />
<context id="DB2Tables" targetRuntime="MyBatis3">
<commentGenerator>
<property name="suppressAllComments" value="true" />
</commentGenerator>
<!-- 数据库链接URL、用户名、密码 -->
<!-- <jdbcConnection driverClass="com.mysql.jdbc.Driver" connectionURL="jdbc:mysql://localhost:3306/database" userId="root" password="root"> -->
<jdbcConnection driverClass="oracle.jdbc.driver.OracleDriver" connectionURL="jdbc:oracle:thin:@localhost:1521:orcl" userId="learn20190528" password="123456">
</jdbcConnection>
<javaTypeResolver>
<property name="forceBigDecimals" value="false" />
</javaTypeResolver>
<!-- 生成模型的包名和位置 -->
<javaModelGenerator targetPackage="cy.model" targetProject="D:\JavaWorkSpace\generators\currency\src">
<property name="enableSubPackages" value="true" />
<property name="trimStrings" value="true" />
</javaModelGenerator>
<!-- 生成的映射文件包名和位置 -->
<sqlMapGenerator targetPackage="cy.mapping" targetProject="D:\JavaWorkSpace\generators\currency\src">
<property name="enableSubPackages" value="true" />
</sqlMapGenerator>
<!-- 生成DAO的包名和位置 -->
<javaClientGenerator type="XMLMAPPER" targetPackage="cy.dao" targetProject="D:\JavaWorkSpace\generators\currency\src">
<property name="enableSubPackages" value="true" />
</javaClientGenerator>
<!-- 要生成那些表(更改tableName-数据表的表明 和 domainObjectName-要生成的类文件名) -->
<table tableName="users" domainObjectName="Users" enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false" selectByExampleQueryId="false" />
<table tableName="menu" domainObjectName="Menu" enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false" selectByExampleQueryId="false" />
<table tableName="roles" domainObjectName="Roles" enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false" selectByExampleQueryId="false" />
</context>
</generatorConfiguration>
5、生成generator.xml中配置中所需要的文件
生成的文件如下:
6、Maven加载oracle驱动:ojdbc6.jar
注:使用Oracle数据库,稍微麻烦点,要用到此步骤,MySQL就不需要此步骤!
1)、确认安装Oracle JDBC Driver的路径,如我的是:
D:\app\Administrator\product\11.2.0\dbhome_1\jdbc\lib
2)、运行CMD,切换到该路径下,执行以下命令:
mvn install:install-file -DgroupId=com.oracle -DartifactId=ojdbc6 -Dversion=11.2.0.1.0 -Dpackaging=jar -Dfile=ojdbc6.jar
3)、执行成功如下图所示:
二、创建Maven工程:Ctrl+N
就这样,Maven的web项目创建完成,然后处理编码格式、报错等一系列问题。
1、处理工程编码格式:UTF-8
2、解决cannot change version of project facet Dynamic Web Module to 3.0问题?先看报错,如下图!
3、解决办法:
1)、Window -> Show View -> Navigator
2)、在Navigator下打开项目.settings目录下org.eclipse.wst. common.project.facet.core.xml打开修改如下图:
2)、再次重复第2步即可
3)、解决STS等编辑器自身原因,不出来的文件夹
4)、修改编译版本
5)、如果你的编辑工具没有集成Tomcat,因此jsp文件就会有红叉,添加你的tomcat即可,如下图:
6)、当上面的步骤都处理了,你会发现项目文件夹上依旧有红叉,解决办法如下:
输入Problems
就这样,虽然过程很曲折,胆Maven工程还是创建好了!
7)、展示最后Maven工程结构图
三、引入spring和mybatis需要的jar包
1、引入jar包时,不知道名称及版本,可使用以下地址查询
查看jar包版本信息网址:https://search.maven.org/
1)、首先导入spring的包,在框中spring-core
2)、导入mybatis的包,输入mybatis
3)、导入mybatis-spring整合包:如mybatis-spring
4)、spring 注入Bean依赖包,此包用于@Autowired,输入:
spring-beans
5)、由于mybatis是操作数据库的,所以需要加载驱动包
(1)、MySQL驱动包,输入mysql-connector-java
(2)、Qracle驱动包,输入com.oracle,这个找不到11.2的版本
6)、junit测试包,输入junit
7)、引入druid数据源jar包
8)、导入spring-context的jar包,因为要使用@Service
9)、除上述jar包外,还需要如下jar包,导入方式同上:
spring-tx、spring-jdbc、servlet-api、log4j、fastjson、spring-test、aspectjweaver、commons-fileupload、
jackson-mapper-asl、spring-webmvc、jstl
最后附上所需的基本jar包图:
10)、pom.xml代码:
<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.currency</groupId>
<artifactId>currency</artifactId>
<packaging>war</packaging>
<version>0.0.1-SNAPSHOT</version>
<name>currency Maven Webapp</name>
<url>http://maven.apache.org</url>
<!-- Spring版本号 -->
<properties>
<spring.version>5.1.7.RELEASE</spring.version>
<!-- 解决maven命令console中文乱码 -->
<argLine>-Dfile.encoding=UTF-8</argLine>
</properties>
<dependencies>
<!-- spring-测试包 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring.version}</version>
</dependency>
<!-- springmvc依赖包 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${spring.version}</version>
</dependency>
<!-- spring核心依赖包 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>${spring.version}</version>
</dependency>
<!-- 事务管理 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>${spring.version}</version>
</dependency>
<!-- spring访问JDBC数据源 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>${spring.version}</version>
</dependency>
<!--
spring 注入Bean依赖包
缺少此包 - @Autowired 就会报错:Autowired cannot to be resolved to a type
-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
<version>${spring.version}</version>
</dependency>
<!-- Bean工厂:ApplicationContext -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spring.version}</version>
</dependency>
<!--
mybatis依赖包
https://mvnrepository.com/artifact/org.mybatis/mybatis
-->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.5.1</version>
</dependency>
<!--
mybatis-spring整合依赖包
https://mvnrepository.com/artifact/org.mybatis/mybatis-spring
-->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>2.0.1</version>
</dependency>
<!-- 数据库驱动包 -->
<!--
MySQL驱动包
https://mvnrepository.com/artifact/mysql/mysql-connector-java
-->
<!-- <dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.44</version>
</dependency> -->
<!-- Oracle驱动包 -->
<dependency>
<groupId>com.oracle</groupId>
<artifactId>ojdbc6</artifactId>
<version>11.2.0.1.0</version>
</dependency>
<!--
junit4.12测试包
https://mvnrepository.com/artifact/junit/junit
-->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<!-- <version>4.13-beta-3</version> -->
<!-- 作用域为test(测试)、这样发布时就不会导入此包 -->
<scope>test</scope>
</dependency>
<!--
alibaba druid数据源
https://mvnrepository.com/artifact/com.alibaba/druid
-->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.1.17</version>
</dependency>
<!--
spring操作aop,需结合aspectj框架支持
https://mvnrepository.com/artifact/org.aspectj/aspectjweaver
-->
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
<version>1.9.4</version>
</dependency>
<!-- java对象与json之间相互转化 -->
<dependency>
<groupId>org.codehaus.jackson</groupId>
<artifactId>jackson-mapper-asl</artifactId>
<version>1.9.13</version>
</dependency>
<!--
操作文件上传
https://mvnrepository.com/artifact/commons-fileupload/commons-fileupload
-->
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>1.4</version>
</dependency>
<!-- 支持HttpServletRequest、HttpServletResponse -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>3.0-alpha-1</version>
</dependency>
<!-- JSP标签库 -->
<dependency>
<groupId>jstl</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<!--
日志
https://mvnrepository.com/artifact/log4j/log4j
-->
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.17</version>
</dependency>
<!--
将Java Bean 序列化为json字符串
https://mvnrepository.com/artifact/com.alibaba/fastjson
-->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.2.58</version>
</dependency>
</dependencies>
<!-- 打包 -->
<!-- <build>
指定打包后文件的名字,例如test.war
<finalName>currency</finalName>
<plugins>
指定jdk版本为1.8
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
</plugins>
</build> -->
<!-- 配置阿里巴巴maven节点,下载速度比较快 -->
<!-- <repositories>
<repository>
<id>people.apache.snapshots</id>
<url>
http://repository.apache.org/content/groups/snapshots-group/
</url>
<releases>
<enabled>false</enabled>
</releases>
<snapshots>
<enabled>true</enabled>
</snapshots>
</repository>
</repositories> -->
</project>
四、将使用mybatis的gengerator工具生成的包整合到Maven项目中
1、将生成文件复制到src/main/java文件夹下,修改添加测试代码及结构图如下:
测试成功了,控制台也展示了我查询的数据!这说明Spring+Mybatis整合成功了,接下来就整合SpringMVC了!
2、编译Maven项目:maven install
看到以下结果,就说明编译也成功了!
3、配置文件:
1)、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"
xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
id="WebApp_ID" version="3.0">
<display-name>currency</display-name>
<!-- 配置文件的位置 -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring.xml,classpath:spring-mybatis.xml</param-value>
</context-param>
<!-- 前台提交数据给后台的编码格式 -->
<filter>
<description>字符集过滤器</description>
<filter-name>encodingFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<init-param>
<description>字符集编码</description>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
</filter>
<!-- 映射:过滤所有的url请求 -->
<filter-mapping>
<filter-name>encodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<listener>
<description>spring监听器</description>
<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>
<description>spring mvc servlet</description>
<servlet-name>springMvc</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<description>spring mvc 配置文件</description>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring-mvc.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<!-- 访问路径的后缀,可自行定义 -->
<servlet-mapping>
<servlet-name>springMvc</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>
<!-- 首页、欢迎页 -->
<welcome-file-list>
<welcome-file>/index.jsp</welcome-file>
</welcome-file-list>
<!-- 配置session超时时间,单位分钟 -->
<session-config>
<session-timeout>15</session-timeout>
</session-config>
</web-app>
2)、src/main/resources的5个配置文件
A、db.properties
#Oracle配置
hibernate.dialect=org.hibernate.dialect.OracleDialect
driverClassName=oracle.jdbc.driver.OracleDriver
validationQuery=SELECT 1 FROM DUAL
jdbc_url=jdbc:oracle:thin:@localhost:1521:orcl
jdbc_username=learn20190528
jdbc_password=123456
#MySQL配置
#hibernate.dialect=org.hibernate.dialect.MySQLDialect
#driverClassName=com.mysql.jdbc.Driver
#validationQuery=SELECT 1
#jdbc_url=jdbc:mysql://localhost:3306/database?useUnicode=true&characterEncoding=UTF-8&zeroDateTimeBehavior=convertToNull
#jdbc_username=root
#jdbc_password=root
#SQLServer配置
#hibernate.dialect=org.hibernate.dialect.SQLServerDialect
#driverClassName=net.sourceforge.jtds.jdbc.Driver
#validationQuery=SELECT 1
#jdbc_url=jdbc:jtds:sqlserver://127.0.0.1:1433/database
#jdbc_username=root
#jdbc_password=root
#配置Derby数据库
#hibernate.dialect=org.hibernate.dialect.DerbyDialect
#driverClassName=org.apache.derby.jdbc.EmbeddedDriver
#validationQuery=SELECT 1
#jdbc_url=jdbc:derby:database;create=true
#jdbc_username=root
#jdbc_password=root
#jndiName=java:comp/env/dataSourceName
hibernate.hbm2ddl.auto=update
hibernate.show_sql=false
hibernate.format_sql=true
sessionInfoName=sessionInfo
#文件上传配置
uploadFieldName=filedata
uploadFileMaxSize=20971520
uploadFileExts=txt,rar,zip,doc,docx,xls,xlsx,jpg,jpeg,gif,png,swf,wmv,avi,wma,mp3,mid
uploadDirectory=attached
B、log4j.properties
log4j.rootLogger=DEBUG,Console,File
log4j.appender.Console=org.apache.log4j.ConsoleAppender
log4j.appender.Console.Target=System.out
log4j.appender.Console.layout=org.apache.log4j.PatternLayout
log4j.appender.Console.layout.ConversionPattern=[%c]%m%n
log4j.appender.File=org.apache.log4j.RollingFileAppender
log4j.appender.File.File=mybatis.log
log4j.appender.File.MaxFileSize=10MB
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,SSS}][%c]%m%n
C、spring.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"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.0.xsd">
<!-- 引入属性文件 -->
<context:property-placeholder location="classpath:db.properties" />
<!-- 自动扫描Bean(自动注入) -->
<context:component-scan base-package="cy.service" />
</beans>
D、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:tx="http://www.springframework.org/schema/tx"
xmlns:aop="http://www.springframework.org/schema/aop"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-3.0.xsd">
<!-- JNDI方式配置数据源 -->
<!-- <bean id="dataSource" class="org.springframework.jndi.JndiObjectFactoryBean"> <property name="jndiName" value="${jndiName}"></property> </bean> -->
<!-- 配置数据源 -->
<bean name="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">
<property name="url" value="${jdbc_url}" />
<property name="username" value="${jdbc_username}" />
<property name="password" value="${jdbc_password}" />
<!-- 初始化连接大小 -->
<property name="initialSize" value="0" />
<!-- 连接池最大使用连接数量 -->
<property name="maxActive" value="20" />
<!-- 连接池最大空闲 -->
<property name="maxIdle" value="20" />
<!-- 连接池最小空闲 -->
<property name="minIdle" value="0" />
<!-- 获取连接最大等待时间 -->
<property name="maxWait" value="60000" />
<!-- <property name="poolPreparedStatements" value="true" /> <property name="maxPoolPreparedStatementPerConnectionSize" value="33" /> -->
<property name="validationQuery" value="${validationQuery}" />
<property name="testOnBorrow" value="false" />
<property name="testOnReturn" value="false" />
<property name="testWhileIdle" value="true" />
<!-- 配置间隔多久才进行一次检测,检测需要关闭的空闲连接,单位是毫秒 -->
<property name="timeBetweenEvictionRunsMillis" value="60000" />
<!-- 配置一个连接在池中最小生存的时间,单位是毫秒 -->
<property name="minEvictableIdleTimeMillis" value="25200000" />
<!-- 打开removeAbandoned功能 -->
<property name="removeAbandoned" value="true" />
<!-- 1800秒,也就是30分钟 -->
<property name="removeAbandonedTimeout" value="1800" />
<!-- 关闭abanded连接时输出错误日志 -->
<property name="logAbandoned" value="true" />
<!-- 监控数据库 -->
<!-- <property name="filters" value="stat" /> -->
<property name="filters" value="mergeStat" />
</bean>
<!-- 配置myBatis文件 -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<!-- 数据源 -->
<property name="dataSource" ref="dataSource" />
<!-- 自动扫描entity目录, 省掉Configuration.xml里的手工配置 -->
<property name="mapperLocations" value="classpath:cy/mapping/*.xml" />
</bean>
<!-- 配置dao层,即mybatis中的mapper-自动扫描 -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<!-- 给出需要扫描Dao层的包 -->
<property name="basePackage" value="cy.dao" />
<!-- 注入sqlSessionFactory -->
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory" />
</bean>
<!-- 配置事务管理器 -->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource" />
</bean>
<!-- 注解方式配置事物 -->
<!-- <tx:annotation-driven transaction-manager="transactionManager" /> -->
<!-- 拦截器方式配置事物 -->
<tx:advice id="transactionAdvice" transaction-manager="transactionManager">
<tx:attributes>
<tx:method name="add*" propagation="REQUIRED" />
<tx:method name="append*" propagation="REQUIRED" />
<tx:method name="insert*" propagation="REQUIRED" />
<tx:method name="save*" propagation="REQUIRED" />
<tx:method name="update*" propagation="REQUIRED" />
<tx:method name="modify*" propagation="REQUIRED" />
<tx:method name="edit*" propagation="REQUIRED" />
<tx:method name="delete*" propagation="REQUIRED" />
<tx:method name="remove*" propagation="REQUIRED" />
<tx:method name="repair" propagation="REQUIRED" />
<tx:method name="delAndRepair" propagation="REQUIRED" />
<tx:method name="get*" propagation="SUPPORTS" />
<tx:method name="find*" propagation="SUPPORTS" />
<tx:method name="load*" propagation="SUPPORTS" />
<tx:method name="search*" propagation="SUPPORTS" />
<tx:method name="datagrid*" propagation="SUPPORTS" />
<tx:method name="*" propagation="SUPPORTS" />
</tx:attributes>
</tx:advice>
<aop:config>
<aop:pointcut id="transactionPointcut" expression="execution(* cy.service..*Impl.*(..))" />
<aop:advisor pointcut-ref="transactionPointcut" advice-ref="transactionAdvice" />
</aop:config>
<!-- 配置druid监控spring jdbc - 可有可无 -->
<bean id="druid-stat-interceptor" class="com.alibaba.druid.support.spring.stat.DruidStatInterceptor">
</bean>
<bean id="druid-stat-pointcut" class="org.springframework.aop.support.JdkRegexpMethodPointcut" scope="prototype">
<property name="patterns">
<list>
<value>cy.service.*</value>
</list>
</property>
</bean>
<aop:config>
<aop:advisor advice-ref="druid-stat-interceptor" pointcut-ref="druid-stat-pointcut" />
</aop:config>
</beans>
E、spring-mvc.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:mvc="http://www.springframework.org/schema/mvc"
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"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.0.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">
<!-- 自动扫描controller包下的所有类,使其认为spring mvc的控制器 -->
<context:component-scan base-package="cy.controller" />
<!-- 静态资源访问 -->
<!-- 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Spring MVC的注解功能,完成请求和注解POJO的映射 - JSON转换器 -->
<!-- <bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
<property name="messageConverters">
<list>
<ref bean="mappingJacksonHttpMessageConverter" />
</list>
</property>
</bean> -->
<!-- 对模型视图名称的解析,即在模型视图名称添加前后缀、配置多级文件夹时,控制器返回JSP页面是可以加上指定级文件夹 -->
<!-- <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver" p:prefix="/" p:suffix=".jsp" /> -->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver" p:prefix="/WEB-INF/" p:suffix=".jsp" />
<!-- 文件上传 -->
<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
<property name="defaultEncoding">
<value>UTF-8</value>
</property>
<property name="maxUploadSize">
<value>32505856</value><!-- 上传文件大小限制为31M,31*1024*1024 -->
</property>
<property name="maxInMemorySize">
<value>4096</value>
</property>
</bean>
</beans>
4、发布项目到Tomcat服务器
5、写好service、controller,并测试
6、输入http://localhost:8080/currency/usersController/
userInfo.do?id=1 进行测试
说明spring+springMVC+mybatis+maven整合成功了,下面就附上代码。
7、附上service、controller、test代码
A、IusersService.java接口代码
package cy.service;
import cy.model.Users;
/**
* @author Administrator
* @描述 用户Service接口
*
*/
public interface IUsersService {
/**
* 根据id查询用户信息
* @param id
* @return
*/
public Users getUsersById(Integer id);
/**
* 插入用户信息
* @param users
* @return
*/
public int insertData(Users users);
}
B、UsersServiceImpl.java代码
package cy.service;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import cy.dao.UsersMapper;
import cy.model.Users;
/**
* @author Administrator
* @描述 用户Service接口实现类
*
*/
@Service("UsersService") //在spring.xml文件中配置自动扫描service、即启动时自动注入到spring.xml中
public class UsersServiceImpl implements IUsersService {
private UsersMapper usersMapper;
public UsersMapper getUsersMapper() {
return usersMapper;
}
/**
* 将UsersMapper注入到Service中
* @param usersMapper
* 自动注入
*/
@Autowired
public void setUsersMapper(UsersMapper usersMapper) {
this.usersMapper = usersMapper;
}
/**
* 根据id查询用户
* 重写Service接口方法
*/
@Override
public Users getUsersById(Integer id) {
return usersMapper.selectByPrimaryKey(id);
}
/**
* 插入用户
* 重写用户Service接口方法
*/
@Override
public int insertData(Users users) {
return usersMapper.insertSelective(users);
}
}
C、UserTest.java代码
package test;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import cy.model.Users;
import cy.service.IUsersService;
/**
* @描述 测试方法3:spring + junit
* @author [email protected]
* 需要导jar包:spring-test
* 注入Service
*/
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = {"classpath:spring.xml", "classpath:spring-mybatis.xml"})
public class UserTest {
// 注入Service
private IUsersService service;
public IUsersService getService() {
return service;
}
@Autowired
public void setService(IUsersService service) {
this.service = service;
}
@Test
public void test01() {
Users users = service.getUsersById(1);
System.out.println(users);
System.out.println(users.getUsername());
System.out.println(users.getTelphone());
}
}
D、UsersController.java代码
package cy.controller;
import javax.servlet.http.HttpServletRequest;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import cy.model.Users;
import cy.service.IUsersService;
/**
* @author Administrator
* @描述 用户控制器
*
*/
@Controller // 注解到spring-mvc.xml中,才能自动扫描
@RequestMapping("/usersController") // 访问路径(控制器)
public class UsersController {
private IUsersService iUsersService;
public IUsersService getiUsersService() {
return iUsersService;
}
/**
* 自动注入Service
* @param iUsersService
*/
@Autowired
public void setiUsersService(IUsersService iUsersService) {
this.iUsersService = iUsersService;
}
/**
* 根据id查询用户详细信息
* @param id
* @param request
* @return
* 访问路径:http://localhost:8080/currency/usersController/userInfo.do?id=1
* @PathVariable - REST风格的URI
* 加上@PathVariable,代表id为变量
* 访问路径1:http://localhost:8080/currency/usersController/userInfo/1.do
* 访问路径2:http://localhost:8080/currency/usersController/1/userInfo.do
*/
@RequestMapping("/{id}/userInfo")
// @RequestMapping("/userInfo/{id}") // 访问userInfo()方法
public String userInfo(@PathVariable Integer id, HttpServletRequest request){
// 根据条件查询用户
Users users = iUsersService.getUsersById(id);
// 将查询信息保存到HttpServletRequest中
request.setAttribute("user", users);
return "admin/userInfo"; // 返回到userInfo.jsp页面
}
}
8、userInfo.jsp代码
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<!DOCTYPE html >
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>测试springMVC</title>
</head>
<body>
<h1>${user.username}</h1><br>
<h1>${user.telphone}</h1><br>
<h1>我是admin下的userInfo.jsp文件</h1>
</body>
</html>
9、附上最终的目录结构图
就这样,spring+springmvc+mybatis+maven整合到此结束!