SSM整合
一:环境准备:
(1)创建数据库 和表结构
(2)创建Maven工程
(3)导入坐标并建立依赖
//pom.xml坐标
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<scop e>test</scop e>
</dependency>
<!-- spring -->
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjweave r</artifactId>
<version>1.6.8</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aop</artifactId>
<version>5.2.12.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>5.2.12.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>5.2.12.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>5.2.12.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>5.2.12.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>5.2.12.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>5.2.12.RELEASE</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scop e>test</scop e>
</dependency>
<dependency>
<groupId>MysqL </groupId>
<artifactId>mysql-connect or-java</artifactId>
<version>8.0.16</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>2.5</version>
<scop e>provided</scop e>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>jsp-api</artifactId>
<version>2.0</version>
<scop e>provided</scop e>
</dependency>
<dependency>
<groupId>jstl</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<!-- log start -->
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.12</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api </artifactId>
<version>1.7.30</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>1.7.30</version>
</dependency>
<!-- log end -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.4.5</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.3.0</version>
</dependency>
<dependency>
<groupId>c3p0</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.1.2</version>
<type>jar</type>
<scop e>compile</scop e>
</dependency>
</dependencies>
(5)编写业务层接口
public interface AccountService {
/**
* 查询 所有
* @return
*/
public List<Account> findAll();
/**
* 保存账户
* @para m account
*/
public void saveAccount(Account account);
}
(6)编写持久层接口
public interface AccountDao {
/**
* 查询 所有
* @return
*/
public List<Account> findAll();
/**
* 保存账户
* @para m account
*/
public void saveAccount(Account account);
}
二:整合步骤:
(1)保证Spring框架在web工程中独立运行
//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:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-bean s.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd">
<!-- 开启注解的扫描,希望处理service和dao,controller不需要spring框架去处理 -->
<context:component-scan base-package="com.hgk">
<!--配置哪些注解不扫描-->
<context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
</context:component-scan>
</beans>
//log4j.properties日志文件
# Set root category priority to INFO and its only appender to CONSOLE.
#log4j.rootCategory=INFO, CONSOLE debug info warn error fatal
log4j.rootCategory=debug, CONSOLE, LOGFILE
# Set the enterprise logger category to FATAL and its only appender to CONSOLE.
log4j.logger.org.apache.axis.enterprise=FATAL, CONSOLE
# CONSOLE is set to be a ConsoleAppender using a PatternLayout.
log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender
log4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout
log4j.appender.CONSOLE.layout.ConversionPattern=%d{ISO8601} %-6r [%15.15t] %-5p %30.30c %x - %m\n
# LOGFILE is set to be a File appender using a PatternLayout.
log4j.appender.LOGFILE=org.apache.log4j.FileAppender
log4j.appender.LOGFILE.File=d:\axis.log
log4j.appender.LOGFILE.Append=true
log4j.appender.LOGFILE.layout=org.apache.log4j.PatternLayout
log4j.appender.LOGFILE.layout.ConversionPattern=%d{ISO8601} %-6r [%15.15t] %-5p %30.30c %x - %m\n
(2)保证SpringMVC在web工程中独立运行
//web.xml
<!DOCTYPE web-app PUBLIC
"-//Sun Microsystem s, Inc.//DTD Web Application 2.3//EN"
"http://java.sun.com/dtd/web-app_2_3.dtd" >
<web-app>
<dis play-name>Archetype Created Web Application</dis play-name>
<!-- 解决 中文 乱码的过滤器 -->
<filter>
<filter-name>chara cterEncodingFilterr</filter-name>
<filter-class>org.springframework.web.filter.Chara cterEncodingFilter</filter-class>
<!-- 设置过滤器中的属性 值 -->
<init-para m>
<para m-name>encoding</para m-name>
<para m-value>UTF-8</para m-value>
</init-para m>
<filter-mapping>
<filter-name>chara cterEncodingFilterr</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
</filter>
<!--配置springmvc的核心控制器-->
<servlet>
<servlet-name>springmvcdis patcherServlet</servlet-name>
<servlet-class>org.springframework.web.servlet.dis patcherServlet</servlet-class>
<!--配置初始化参数,用于读取springmvc的配置文件 -->
<init-para m>
<para m-name>contextConfig Location</para m-name>
<para m-value>classp ath:springmvc.xml</para m-value>
</init-para m>
<!--配置servlet的对象的创建时间点:应用加载时创建。取值只能是非0正整数,表示启动顺序-->
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping >
<servlet-name>springmvcdis patcherServlet</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping >
</web-app>
//springmvc.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:context="http://www.springframework.org/schema/context"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-bean s.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd">
<!--开启注解扫描,只扫描Controller注解-->
<context:component-scan base-package="com.hgk">
<context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
</context:component-scan>
<!--配置视图解析器对象-->
<bean id="internalResourceViewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/pages/"/>
<property name="suffix" value=".jsp"/>
</bean>
<!--过滤静态资源-->
<mvc:resources mapping="/css/**" location="/css/"/>
<mvc:resources mapping="/images/**" location="/images/"/>
<mvc:resources mapping="/js/**" location="/js/"/>
<!--开启SpringMVC注解的支持 -->
<mvc:annotation-driven/>
</beans>
(3)整合Spring和SpringMVC
//web.xml加这条语句
<!--配置Spring的监听器,默 认只加载WEB—INF目录下的applicationCOntext.xml配置文件 ,可通过配置文件 路径解决 这一问题-->
<listener>
<listener-class>org.springframework.web.context.ContextCleanupListener</listener-class>
</listener>
<!--设置配置文件 的路径-->
<context-para m>
<para m-name>contextConfig Location</para m-name>
<para m-value>classp ath:applicationContext.xml</para m-value>
</context-para m>
/**
* 账户web
*/
@Controller
@RequestMapping("/account")
public class AccountController {
@Autowired
private AccountService accountService;
@RequestMapping("/findAll")
public String findAll(){
System .out.println("表现层:查询 所有账户信息");
//调用 service层方法
accountService.findAll();
return "list";
}
}
(4)保证Mybatis框架在web工程中独立运行
//jdbc.properties配置文件
prop.driverClass=com.MysqL .cj.jdbc.Driver
prop.url=jdbc:MysqL ://localhost:3306/ssm?serverTimezone=UTC
prop.username=root
prop.password=123
//sql MapConfig .xml配置文件
<?xml version="1.0" encoding="utf-8" ?>
<!DOCTYPE config uration
PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
"http://mybatis.org/dta/mybatis-3-config .dtd">
<config uration>
<!--引入外部配置文件 -->
<properties resource="jdbc.properties"></properties>
<!--配置环境-->
<environments default="MysqL ">
<!--配置MysqL 的环境-->
<environment id="MysqL ">
<!--配置事务的类型-->
<transactionManager type="JDBC"></transactionManager>
<!--配置数据源 (连接池)-->
<dataSource type="POOLED">
<!--配置连接数据库 的四个基本信息-->
<property name="driver" value="${prop.driverClass}"/>
<property name="url" value="${prop.url}"/>
<property name="username" value="${prop.username}"/>
<property name="password" value="${prop.password}"/>
</dataSource>
</environment>
</environments>
<!--指定映射配置文件 的位置,映射配置文件 指的是每个dao独立的配置文件 -->
<mappers>
<package name="com.hgk.dao"></package>
</mappers>
</config uration>
(5)整合Spring和Mybatis
//applicationContext.xml加这条语句
<!--Spring整合MyBatis框架-->
<!--配置连接池-->
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="driverClass" value="com.MysqL .jdbc.Driver"/>
<property name="jdbcUrl" value="jdbc:MysqL :///ssm"/>
<property name="user" value="root"/>
<property name="password" value="123"/>
</bean>
<!--配置sql SessionFactory工厂-->
<bean id="sql SessionFactory" class="org.mybatis.spring.sql Sessionfactorybean ">
<property name="dataSource" ref="dataSource" />
</bean>
<!--配置AccountDao接口所在包-->
<bean id="mapperScanner" class="org.mybatis.spring.mapper.MapperScannerConfig urer">
<property name="basePackage" value="cn.itcast.dao"/>
</bean>