Spring+SpringMVC+MyBatis整合實(shí)戰(zhàn)(SSM框架)
更新時(shí)間：2021年08月23日 10:09:45 作者：Henrik-Yao
框架整合難不難？難！東西多，配置文件復(fù)雜不好記憶，本文就來(lái)介紹一下Spring+SpringMVC+MyBatis整合實(shí)戰(zhàn)，具有一定的參考價(jià)值，感興趣的可以了解一下
在寫(xiě)代碼之前我們先了解一下這三個(gè)框架分別是干什么的？
SpringMVC
它用于web層，相當(dāng)于controller（等價(jià)于傳統(tǒng)的servlet和struts的action），用來(lái)處理用戶請(qǐng)求。舉個(gè)例子，用戶在地址欄輸入http://網(wǎng)站域名/login，那么springmvc就會(huì)攔截到這個(gè)請(qǐng)求，并且調(diào)用controller層中相應(yīng)的方法，（中間可能包含驗(yàn)證用戶名和密碼的業(yè)務(wù)邏輯，以及查詢數(shù)據(jù)庫(kù)操作，但這些都不是springmvc的職責(zé)），最終把結(jié)果返回給用戶，并且返回相應(yīng)的頁(yè)面（當(dāng)然也可以只返回json/xml等格式數(shù)據(jù)）。springmvc就是做前面和后面過(guò)程的活，與用戶打交道??！
Spring
太強(qiáng)大了，以至于我無(wú)法用一個(gè)詞或一句話來(lái)概括它。但與我們平時(shí)開(kāi)發(fā)接觸最多的估計(jì)就是IOC容器，它可以裝載bean（也就是我們java中的類，當(dāng)然也包括service dao里面的），有了這個(gè)機(jī)制，我們就不用在每次使用這個(gè)類的時(shí)候?yàn)樗跏蓟?，很少看到關(guān)鍵字new。另外spring的aop，事務(wù)管理等等都是我們經(jīng)常用到的。
MyBatis
如果你問(wèn)我它跟鼎鼎大名的Hibernate有什么區(qū)別？我只想說(shuō)，他更符合我的需求。第一，它能自由控制sql，這會(huì)讓有數(shù)據(jù)庫(kù)經(jīng)驗(yàn)的人（當(dāng)然不是說(shuō)我啦~捂臉~）編寫(xiě)的代碼能搞提升數(shù)據(jù)庫(kù)訪問(wèn)的效率。第二，它可以使用xml的方式來(lái)組織管理我們的sql，因?yàn)橐话愠绦虺鲥e(cuò)很多情況下是sql出錯(cuò)，別人接手代碼后能快速找到出錯(cuò)地方，甚至可以優(yōu)化原來(lái)寫(xiě)的sql。
項(xiàng)目結(jié)構(gòu)
maven配置文件pom.xml
<?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>com.neu</groupId>
<artifactId>spring-over</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>war</packaging>
<name>spring-over 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相關(guān)-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>5.0.5.RELEASE</version>
</dependency>
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
<version>1.8.7</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>5.0.5.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>5.0.5.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>5.0.5.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>5.0.5.RELEASE</version>
</dependency>
<!--servlet和jsp-->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>2.5</version>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>jsp-api</artifactId>
<version>2.0</version>
</dependency>
<!--mybatis相關(guān)-->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.4.5</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.3.1</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.44</version>
</dependency>
<dependency>
<groupId>c3p0</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.1.2</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
</dependency>
<dependency>
<groupId>jstl</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
</dependencies>
<build>
<finalName>sprig-over</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>3.0.0</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>3.7.0</version>
</plugin>
<plugin>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.20.1</version>
</plugin>
<plugin>
<artifactId>maven-war-plugin</artifactId>
<version>3.2.0</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>
webapp配置文件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"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">
<!--spring監(jiān)聽(tīng)器-->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext.xml</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!--springmvc的前端控制器-->
<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>
<!--亂碼過(guò)濾器-->
<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>
</web-app>
spring配置文件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-beans.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">
<!--組件掃描 掃描service和mapper-->
<context:component-scan base-package="com.neu">
<!--排除controller的掃描-->
<context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
</context:component-scan>
<!--加載properties文件-->
<context:property-placeholder location="classpath:jdbc.properties"/>
<!--配置數(shù)據(jù)源信息-->
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="driverClass" value="${jdbc.driver}"/>
<property name="jdbcUrl" value="${jdbc.url}"/>
<property name="user" value="${jdbc.username}"/>
<property name="password" value="${jdbc.password}"/>
</bean>
<!--配飾sessionFactory-->
<bean id="sessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource"/>
<!--mybatis核心文件-->
<property name="configLocation" value="classpath:sqlMapConfig-spring.xml"/>
</bean>
<!--掃描mapper所在的包 未mapper創(chuàng)建實(shí)現(xiàn)類-->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.neu.mapper"/>
</bean>
<!--聲明式事務(wù)控制-->
<!--平臺(tái)事務(wù)控制器-->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource"/>
</bean>
<!--配置事務(wù)增強(qiáng)-->
<tx:advice id="txAdvice">
<tx:attributes>
<tx:method name="*"/>
</tx:attributes>
</tx:advice>
<!--事務(wù)aop織入-->
<aop:config>
<aop:advisor advice-ref="txAdvice" pointcut="execution(* com.neu.service.impl.*.*(..))"/>
</aop:config>
</beans>
spring-mvc配置文件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: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-beans.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">
<!--組件掃描-->
<context:component-scan base-package="com.neu.controller"/>
<!--配置mvc注解驅(qū)動(dòng)-->
<mvc:annotation-driven/>
<!--內(nèi)部資源視圖解析器-->
<bean id="resourceViewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/pages/"/>
<property name="suffix" value=".jsp"/>
</bean>
<!--開(kāi)放靜態(tài)資源訪問(wèn)權(quán)限-->
<mvc:default-servlet-handler/>
</beans>
mybatis映射文件AccountMapper.xml
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.neu.mapper.AccountMapper">
<insert id="save" parameterType="account">
insert into account(id,name,money) values(#{id},#{name},#{money})
</insert>
<select id="findAll" resultType="account">
select * from account
</select>
</mapper>
mybatis配置文件（兩種整合方法）
1.sqlMapConfig.xml直接引入
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configuration
PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
<!--加載properties文件-->
<properties resource="jdbc.properties"/>
<typeAliases>
<!--<typeAlias type="com.neu.domain.Account" alias="account"/>-->
<package name="com.neu.domain"/>
</typeAliases>
<!--環(huán)境-->
<environments default="development">
<environment id="development">
<transactionManager type="JDBC"/>
<dataSource type="POOLED">
<property name="driver" value="${jdbc.driver}"/>
<property name="url" value="${jdbc.url}"/>
<property name="username" value="${jdbc.username}"/>
<property name="password" value="${jdbc.password}"/>
</dataSource>
</environment>
</environments>
<!--加載映射-->
<mappers>
<mapper resource="com/neu/mapper/AccountMapper.xml"/>
</mappers>
</configuration>
引入方法
public void save(Account account) {
try {
//加載配置文件
InputStream resourceAsStream = Resources.getResourceAsStream("sqlMapConfig.xml");
//構(gòu)建會(huì)話工廠
SqlSessionFactory sqlSessionFactory = new SqlSessionFactoryBuilder().build(resourceAsStream);
//創(chuàng)建連接
SqlSession sqlSession = sqlSessionFactory.openSession();
//獲取映射對(duì)象
AccountMapper mapper = sqlSession.getMapper(AccountMapper.class);
//執(zhí)行方法
mapper.save(account);
//提交連接
sqlSession.commit();
//關(guān)閉連接
sqlSession.close();
} catch (IOException exception) {
exception.printStackTrace();
}
}
2.sqlMapConfig-spring.xml使用spring構(gòu)建連接
sqlMapConfig-spring.xml
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configuration
PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
<typeAliases>
<!--<typeAlias type="com.neu.domain.Account" alias="account"/>-->
<package name="com.neu.domain"/>
</typeAliases>
<!--加載映射-->
<mappers>
<mapper resource="com/neu/mapper/AccountMapper.xml"/>
</mappers>
</configuration>
spring配置注入
<!--加載properties文件-->
<context:property-placeholder location="classpath:jdbc.properties"/>
<!--配置數(shù)據(jù)源信息-->
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="driverClass" value="${jdbc.driver}"/>
<property name="jdbcUrl" value="${jdbc.url}"/>
<property name="user" value="${jdbc.username}"/>
<property name="password" value="${jdbc.password}"/>
</bean>
<!--配飾sessionFactory-->
<bean id="sessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource"/>
<!--mybatis核心文件-->
<property name="configLocation" value="classpath:sqlMapConfig-spring.xml"/>
</bean>
<!--掃描mapper所在的包 未mapper創(chuàng)建實(shí)現(xiàn)類-->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.neu.mapper"/>
</bean>
<!--聲明式事務(wù)控制-->
<!--平臺(tái)事務(wù)控制器-->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource"/>
</bean>
<!--配置事務(wù)增強(qiáng)-->
<tx:advice id="txAdvice">
<tx:attributes>
<tx:method name="*"/>
</tx:attributes>
</tx:advice>
<!--事務(wù)aop織入-->
<aop:config>
<aop:advisor advice-ref="txAdvice" pointcut="execution(* com.neu.service.impl.*.*(..))"/>
</aop:config>
注入代碼
@Autowired
private AccountMapper accountMapper;
@Override
public void save(Account account) {
accountMapper.save(account);
}
日志配置文件log4j.properties
#
# Hibernate, Relational Persistence for Idiomatic Java
#
# License: GNU Lesser General Public License (LGPL), version 2.1 or later.
# See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
#
### direct log messages to stdout ###
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.Target=System.err
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%d{ABSOLUTE} %5p %c{1}:%L - %m%n
### direct messages to file hibernate.log ###
#log4j.appender.file=org.apache.log4j.FileAppender
#log4j.appender.file.File=hibernate.log
#log4j.appender.file.layout=org.apache.log4j.PatternLayout
#log4j.appender.file.layout.ConversionPattern=%d{ABSOLUTE} %5p %c{1}:%L - %m%n
### set log levels - for more verbose logging change 'info' to 'debug' ###
log4j.rootLogger=all, stdout
建表語(yǔ)句
create table account( id int primary key auto_increment, name varchar(100), money double(7,2) )
Tomcat傳遞過(guò)程
1.網(wǎng)頁(yè)獲取表單
save.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Title</title>
</head>
<body>
<h1>添加賬戶信息表單</h1>
<form name="accountForm" action="${pageContext.request.contextPath}/account/save" method="post">
賬戶名稱:<input type="text" name="name"><br>
賬戶金額:<input type="text" name="money"><br>
<input type="submit" name="保存"><br>
</form>
</body>
</html>
2.Controller層處理請(qǐng)求
AccountController.java
package com.neu.controller;
import com.neu.domain.Account;
import com.neu.service.AccountService;
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 org.springframework.web.servlet.ModelAndView;
import java.util.List;
@Controller
@RequestMapping("/account")
public class AccountController {
@Autowired
private AccountService accountService;
@RequestMapping(value = "/save",produces = "text/html;charset=UTF-8")
@ResponseBody
public String save(Account account){
accountService.save(account);
System.out.println(account);
return "保存成功";
}
@RequestMapping("/findAll")
public ModelAndView findAll(){
List<Account> accountList = accountService.findAll();
ModelAndView modelAndView = new ModelAndView();
modelAndView.addObject("accountList",accountList);
modelAndView.setViewName("accountList");
return modelAndView;
}
}
3.service層處理業(yè)務(wù)邏輯
AccountServiceimpl.java
package com.neu.service.impl;
import com.neu.domain.Account;
import com.neu.mapper.AccountMapper;
import com.neu.service.AccountService;
import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.io.IOException;
import java.io.InputStream;
import java.sql.Connection;
import java.util.List;
@Service("accountService")
public class AccountServiceImpl implements AccountService {
@Autowired
private AccountMapper accountMapper;
@Override
public void save(Account account) {
// try {
// //加載配置文件
// InputStream resourceAsStream = Resources.getResourceAsStream("sqlMapConfig.xml");
// //構(gòu)建會(huì)話工廠
// SqlSessionFactory sqlSessionFactory = new SqlSessionFactoryBuilder().build(resourceAsStream);
// //創(chuàng)建連接
// SqlSession sqlSession = sqlSessionFactory.openSession();
// //獲取映射對(duì)象
// AccountMapper mapper = sqlSession.getMapper(AccountMapper.class);
// //執(zhí)行方法
// mapper.save(account);
// //提交連接
// sqlSession.commit();
// //關(guān)閉連接
// sqlSession.close();
// } catch (IOException exception) {
// exception.printStackTrace();
// }
accountMapper.save(account);
}
@Override
public List<Account> findAll() {
// try {
// InputStream resourceAsStream = Resources.getResourceAsStream("sqlMapConfig.xml");
// SqlSessionFactory sqlSessionFactory = new SqlSessionFactoryBuilder().build(resourceAsStream);
// SqlSession sqlSession = sqlSessionFactory.openSession();
// AccountMapper mapper = sqlSession.getMapper(AccountMapper.class);
// List<Account> accountList = mapper.findAll();
// sqlSession.close();
// return accountList;
// } catch (IOException exception) {
// exception.printStackTrace();
// }
return accountMapper.findAll();
}
}
4.mapper與數(shù)據(jù)庫(kù)交互
mapper層對(duì)數(shù)據(jù)庫(kù)進(jìn)行數(shù)據(jù)持久化操作，他的方法語(yǔ)句是直接針對(duì)數(shù)據(jù)庫(kù)操作的，主要實(shí)現(xiàn)一些增刪改查操作，在mybatis中方法主要與與xxx.xml內(nèi)相互一一映射
AccountMapper.java
package com.neu.mapper;
import com.neu.domain.Account;
import java.util.List;
public interface AccountMapper {
public void save(Account account);
public List<Account> findAll();
}
到此這篇關(guān)于Spring+SpringMVC+MyBatis整合實(shí)戰(zhàn)(SSM框架)的文章就介紹到這了,更多相關(guān)Spring SpringMVC MyBatis整合 內(nèi)容請(qǐng)搜索腳本之家以前的文章或繼續(xù)瀏覽下面的相關(guān)文章希望大家以后多多支持腳本之家！
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- 使用IDEA搭建SSM框架的詳細(xì)教程(spring + springMVC +MyBatis)
- Java SSM框架（Spring+SpringMVC+MyBatis）搭建過(guò)程
- 一步步教你整合SSM框架（Spring MVC+Spring+MyBatis）詳細(xì)教程
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