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1.概述
maven项目目录如下
src/main/java：主要java文件路径
src/main/resources：主要资源文件路径
src/test/java：java测试文件目录
src/test/resources：java测试资源文件目录
com.cygoat.controller：存放spring mvc controller.java文件
com.cygoat.dao：存放mybaitis Mapper.java文件
com.cygoat.mapper：存放mybaitis Mapper.xml文件
com.cygoat.model：存放Model.java文件
com.cygoat.service：存放业务层接口类Manager.java文件
com.cygoat.service.impl：存放业务层实现类ManagerImpl.java文件
2.maven web项目创建
1.新建项目SSM
2.点击下一步
3.点击完成，创建项目成功。
3.spring和mybatis整合
1.pom.xml增加依赖jar包
<properties>
<spring.version>3.2.13.RELEASE</spring.version>
<mybatis.version>3.2.8</mybatis.version>
<mybatis-spring.version>1.2.2</mybatis-spring.version>
<druid.version>0.2.9</druid.version>
<mysql.version>5.1.27</mysql.version>
</properties>
<dependencies>
<!-- spring context -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spring.version}</version>
</dependency>
<!-- spring jdbc -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>${spring.version}</version>
</dependency>
<!-- spring transaction -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>${spring.version}</version>
</dependency>
<!-- aspectj -->
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
<version>1.6.11</version>
</dependency>
<!-- mybatis 包 -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>${mybatis.version}</version>
</dependency>
<!-- mybatis spring 整合包 -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>${mybatis-spring.version}</version>
</dependency>
<!-- mysql 驱动包 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>${mysql.version}</version>
<scope>runtime</scope>
</dependency>
<!-- 阿里巴巴数据库连接池 -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>${druid.version}</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.8.2</version>
<scope>test</scope>
</dependency>
</dependencies>
2.配置文件内容如下
在src/main/resources创建spring.xml文件，内容如下
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:aop="http://www.springframework.org/schema/aop"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
">
<!-- 配置数据源 -->
<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource"
init-method="init" destroy-method="close">
<!-- 基本属性 url、user、password -->
<property name="url" value="${url}" />
<property name="username" value="${username}" />
<property name="password" value="${password}" />
<!-- 配置初始化大小、最小、最大 -->
<property name="initialSize" value="1" />
<property name="minIdle" value="1" />
<property name="maxActive" value="20" />
<!-- 配置获取连接等待超时的时间 -->
<property name="maxWait" value="60000" />
<!-- 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="300000" />
<property name="validationQuery" value="SELECT 'x'" />
<property name="testWhileIdle" value="true" />
<property name="testOnBorrow" value="false" />
<property name="testOnReturn" value="false" />
<!-- 打开PSCache，并且指定每个连接上PSCache的大小 -->
<property name="poolPreparedStatements" value="true" />
<property name="maxPoolPreparedStatementPerConnectionSize"
value="20" />
<!-- 配置监控统计拦截的filters，去掉后监控界面sql无法统计 -->
<property name="filters" value="stat" />
</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/cygoat/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.cygoat.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>
jdbc连接
hibernate.dialect=org.hibernate.dialect.MySQLDialect driverClassName=com.mysql.jdbc.Driver validationQuery=SELECT 1 url=jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=UTF-8 username=root password=lxy123 hibernate.hbm2ddl.auto=update hibernate.show_sql=true hibernate.format_sql=true
4.maven集成mybatis代码生成器
1.在pom中增加mybatis插件
<plugin>
<groupId>org.mybatis.generator</groupId>
<artifactId>mybatis-generator-maven-plugin</artifactId>
<version>1.3.2</version>
<executions>
<execution>
<id>Generate MyBatis Artifacts</id>
<goals>
<goal>generate</goal>
</goals>
</execution>
</executions>
<configuration>
<verbose>true</verbose>
<overwrite>true</overwrite>
<!-- <jdbcDriver>com.mysql.jdbc.Driver</jdbcDriver> -->
<!-- <jdbcURL>jdbc:mysql://127.0.0.1:3306/test</jdbcURL> -->
<!-- <jdbcUserId>test</jdbcUserId> -->
<!-- <jdbcPassword>test</jdbcPassword> -->
</configuration>
<dependencies>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.6</version>
</dependency>
<dependency>
<groupId>org.mybatis.generator</groupId>
<artifactId>mybatis-generator-core</artifactId>
<version>1.3.2</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.2.8</version>
</dependency>
</dependencies>
</plugin>
2.在src/main/resources下创建generatorConfig.xml，文件内容如下
<?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-->
<context id="DB2Tables" targetRuntime="MyBatis3">
<commentGenerator>
<property name="suppressDate" value="true"/>
<!-- 是否去除自动生成的注释 true：是 ： false:否 -->
<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/test" userId="root" password="lxy123">
</jdbcConnection>
<javaTypeResolver>
<property name="forceBigDecimals" value="false"/>
</javaTypeResolver>
<!-- 生成模型的包名和位置-->
<javaModelGenerator targetPackage="com.cygoat.model" targetProject="src/main/java">
<property name="enableSubPackages" value="true"/>
<property name="trimStrings" value="true"/>
</javaModelGenerator>
<!-- 生成映射文件的包名和位置-->
<sqlMapGenerator targetPackage="com.cygoat.mapper" targetProject="src/main/java">
<property name="enableSubPackages" value="true"/>
</sqlMapGenerator>
<!-- 生成DAO的包名和位置-->
<javaClientGenerator type="XMLMAPPER" targetPackage="com.cygoat.dao" targetProject="src/main/java">
<property name="enableSubPackages" value="true"/>
</javaClientGenerator>
<!-- 要生成的表 tableName是数据库中的表名或视图名 domainObjectName是实体类名-->
<table tableName="sys_user" domainObjectName="SysUser" enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false" selectByExampleQueryId="false"></table>
</context>
</generatorConfiguration>
3.执行命令生成代码mybatis-generator:generate
5.junit测试
1.新增com.cygoat.service包
SysUserManager.java
package com.cygoat.service;
import com.cygoat.model.SysUser;
public interface SysUserManager {
public SysUser get(String id);
}
SysUserManagerImpl.javapackage com.cygoat.service.impl;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.cygoat.dao.SysUserMapper;
import com.cygoat.model.SysUser;
import com.cygoat.service.SysUserManager;
@Service
public class SysUserManagerImpl implements SysUserManager {
@Autowired
private SysUserMapper sysUserMapper;
public SysUser get(String id){
return sysUserMapper.selectByPrimaryKey(id);
}
}
src/test/java下创建SysUserManagerImplTest.java文件，代码如下
package com.cygoat.service;
import static org.junit.Assert.*;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import com.cygoat.service.SysUserManager;
public class SysUserManagerImplTest {
private ApplicationContext ac;
@Before
public void setUp() throws Exception {
ac = new ClassPathXmlApplicationContext("spring.xml");
}
@After
public void tearDown() throws Exception {
}
@Test
public void testGet() {
SysUserManager obj = (SysUserManager)ac.getBean("sysUserManagerImpl");
assertNotNull("not null", obj.get("1"));
}
}
至此，完成了spring和mybatis的整合6.spring和springMvc整合
6.1.配置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-3.1.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-3.1.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="com.alan.system.controller" />
<!-- 注解请求映射 -->
<bean class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping">
<property name="interceptors">
<list>
<!-- <ref bean="logNDCInteceptor"/> 日志拦截器，这是你自定义的拦截器
<ref bean="myRequestHelperInteceptor"/> RequestHelper拦截器，这是你自定义的拦截器
<ref bean="myPermissionsInteceptor"/> 权限拦截器，这是你自定义的拦截器
<ref bean="myUserInfoInteceptor"/> 用户信息拦截器，这是你自定义的拦截器 -->
</list>
</property>
</bean>
<bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
<property name="messageConverters">
<list>
<ref bean="byteArray_hmc" />
<ref bean="string_hmc" />
<ref bean="resource_hmc" />
<ref bean="source_hmc" />
<ref bean="xmlAwareForm_hmc" />
<ref bean="jaxb2RootElement_hmc" />
<ref bean="jackson_hmc" />
</list>
</property>
</bean>
<bean id="byteArray_hmc" class="org.springframework.http.converter.ByteArrayHttpMessageConverter" /><!-- 处理.. -->
<bean id="string_hmc" class="org.springframework.http.converter.StringHttpMessageConverter" /><!-- 处理.. -->
<bean id="resource_hmc" class="org.springframework.http.converter.ResourceHttpMessageConverter" /><!-- 处理.. -->
<bean id="source_hmc" class="org.springframework.http.converter.xml.SourceHttpMessageConverter" /><!-- 处理.. -->
<bean id="xmlAwareForm_hmc" class="org.springframework.http.converter.xml.XmlAwareFormHttpMessageConverter" /><!-- 处理.. -->
<bean id="jaxb2RootElement_hmc" class="org.springframework.http.converter.xml.Jaxb2RootElementHttpMessageConverter" /><!-- 处理.. -->
<bean id="jackson_hmc" class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter" /><!-- 处理json-->
<!-- 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 -->
<!-- <bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
<property name="messageConverters"> <list> <ref bean="mappingJacksonHttpMessageConverter"
/>json转换器 </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 -->
<bean
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/jsp/" />
<property name="suffix" value=".jsp" />
</bean>
<!-- json转换器 -->
<!-- <bean id="jsonConverter" class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter">
<property name="supportedMediaTypes" value="application/json" /> </bean> -->
</beans>
6.2.修改web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
<!-- 编码过滤器 -->
<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>
<!-- Spring MVC servlet -->
<servlet>
<description>spring mvc servlet</description>
<servlet-name>dispatcherServlet</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>
<servlet-mapping>
<servlet-name>dispatcherServlet</servlet-name>
<url-pattern>*.shtml</url-pattern>
</servlet-mapping>
<session-config>
<session-timeout>10</session-timeout>
</session-config>
<!-- Spring和mybatis的配置文件 -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring.xml</param-value>
</context-param>
<!-- Spring监听器 -->
<listener>
<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>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
</web-app>
6.3.测试
新增SysUserController类
package com.cygoat.controller;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import com.cygoat.service.SysUserManager;
@Controller
@RequestMapping("sysUser")
public class SysUserController {
@Autowired
private SysUserManager sysUserManager;
@RequestMapping("get")
@ResponseBody
public Object get(String id){
return sysUserManager.get(id);
}
}
启动tomcat，在浏览器输入http://localhost:8080/SSM/sysUser/get.shtml?id=1
至此，已完成了spring、springmvc、mybatis整合
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