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@TOC
一、详细代码
1.Maven工程
2.创建account数据表
3.IDEA中配置MySQL数据库的连接
直接查看详细步骤:IDEA中配置MySQL数据库的连接
4.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>org.example</groupId>
<artifactId>SSM-Item</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>war</packaging>
<name>SSM-Item 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>1.7</maven.compiler.source>
<maven.compiler.target>1.7</maven.compiler.target>
</properties>
<dependencies>
<!--spring相关-->
<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相关-->
<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>5.1.32</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>SSM-Item</finalName>
<pluginManagement>
<plugins>
<plugin>
<artifactId>maven-clean-plugin</artifactId>
<version>3.0.0</version>
</plugin>
<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>
5.Account
package com.jkj.domain;
public class Account {
private Integer id;
private String name;
private Double money;
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public Double getMoney() {
return money;
}
public void setMoney(Double money) {
this.money = money;
}
@Override
public String toString() {
return "Account{" +
"id=" + id +
", name='" + name + '\'' +
", money=" + money +
'}';
}
}
6.AccountMapper
package com.jkj.mapper;
import com.jkj.domain.Account;
import java.util.List;
public interface AccountMapper {
//保存账户数据
void save(Account account);
//查询账户数据
List<Account> findAll();
}
7.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.jkj.mapper.AccountMapper">
<insert id="save" parameterType="account">
insert into account values(#{id},#{name},#{money})
</insert>
<select id="findAll" resultType="account">
select * from account
</select>
</mapper>
8.AccountService
package com.jkj.service;
import com.jkj.domain.Account;
import java.io.IOException;
import java.util.List;
public interface AccountService {
//保存账户数据
void save(Account account) throws IOException;
//查询账户数据
List<Account> findAll() throws IOException;
}
9.AccountService
import com.jkj.domain.Account;
import java.io.IOException;
import java.util.List;
public interface AccountService {
//保存账户数据
void save(Account account) throws IOException;
//查询账户数据
List<Account> findAll() throws IOException;
}
ccountServiceImpl
10.AccountServiceImpl
package com.jkj.service.impl;
import com.jkj.domain.Account;
import com.jkj.mapper.AccountMapper;
import com.jkj.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 javax.annotation.Resource;
import java.io.IOException;
import java.io.InputStream;
import java.util.List;
@Service("accountService")
public class AccountServiceImpl implements AccountService {
@Autowired
private AccountMapper accountMapper;
@Override
public void save(Account account) {
accountMapper.save(account);
/* try {
//1.加载MyBatis的核心配置文件获取sqlSessionFactory
InputStream inputStream = Resources.getResourceAsStream("mybatis-config.xml");
SqlSessionFactory sqlSessionFactory = new SqlSessionFactoryBuilder().build(inputStream);
//2.获取sqlSession,执行sql
SqlSession sqlSession = sqlSessionFactory.openSession(true);
AccountMapper mapper = sqlSession.getMapper(AccountMapper.class);
mapper.save(account);
sqlSession.close();
} catch (IOException e) {
e.printStackTrace();
}*/
}
@Override
public List<Account> findAll() {
List<Account> accountList = accountMapper.findAll();
/* List<Account> accountList = null;
try {
//1.加载MyBatis的核心配置文件获取sqlSessionFactory
InputStream inputStream = Resources.getResourceAsStream("mybatis-config.xml");
SqlSessionFactory sqlSessionFactory = new SqlSessionFactoryBuilder().build(inputStream);
//2.获取sqlSession,执行sql
SqlSession sqlSession = sqlSessionFactory.openSession();
AccountMapper mapper = sqlSession.getMapper(AccountMapper.class);
accountList = mapper.findAll();
sqlSession.close();
return accountList;
} catch (IOException e) {
e.printStackTrace();
}
return null;*/
return accountList;
}
}
11.AccountController
package com.jkj.controller;
import com.jkj.domain.Account;
import com.jkj.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 javax.annotation.Resource;
import java.io.IOException;
import java.util.List;
@Controller //定义bean
@RequestMapping("/account")
public class AccountController {
/* @Resource*/
@Autowired
private AccountService accountService;
//保存
@RequestMapping(value = "/save",produces = "text/html;charset=UTF-8")
@ResponseBody //不进行页面跳转了
public String save(Account account){
try {
accountService.save(account);
} catch (IOException e) {
e.printStackTrace();
}
return "保存成功!";
}
@RequestMapping("/findAll")
//查询
public ModelAndView findAll() throws IOException {
List<Account> accountList = accountService.findAll();
ModelAndView modelAndView = new ModelAndView();
modelAndView.addObject("accountList",accountList);
modelAndView.setViewName("accountList");
return modelAndView;
}
}
12.jdbc.properties
jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/ssm
jdbc.username=root
jdbc.password=root
13.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">
<!--组件扫描 扫描service和mapper-->
<context:component-scan base-package="com.jkj">
<!--排除controller的扫描-->
<context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"></context:exclude-filter>
</context:component-scan>
<!--加载properties文件-->
<context:property-placeholder location="classpath:jdbc.properties"></context:property-placeholder>
<!-- 配置数据源信息-->
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="driverClass" value="${jdbc.driver}"></property>
<property name="jdbcUrl" value="${jdbc.url}"></property>
<property name="user" value="${jdbc.username}"></property>
<property name="password" value="${jdbc.password}"></property>
</bean>
<!-- 配置sessionFactory-->
<bean id="SslSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource"></property>
<!--加载mybatis核心配置文件-->
<property name="configLocation" value="classpath:mybatis-config-spring.xml"></property>
</bean>
<!-- 扫描Mapper所在的包,为Mapper创建实现类-->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.jkj.mapper"></property>
</bean>
<!--声明式事务控制-->
<!--平台事务管理器-->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource"></property>
</bean>
<!--配置事务增强-->
<tx:advice id="txAdvice">
<tx:attributes>
<tx:method name="*"/>
</tx:attributes>
</tx:advice>
<!--事务的aop织入-->
<aop:config>
<aop:advisor advice-ref="txAdvice" pointcut="execution(* com.jkj.service.impl.*.*(..))"></aop:advisor>
</aop:config>
</beans>
14.mybatis-config.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>
<!-- <!–加载properties文件–>
<properties resource="jdbc.properties"></properties>-->
<!--定义别名-->
<typeAliases>
<!--<typeAlias type="com.itheima.domain.Account" alias="account"></typeAlias>-->
<package name="com.jkj.domain"></package>
</typeAliases>
<!-- <!–环境–>
<environments default="development">
<environment id="development">
<transactionManager type="JDBC"></transactionManager>
<dataSource type="POOLED">
<property name="driver" value="${jdbc.driver}"></property>
<property name="url" value="${jdbc.url}"></property>
<property name="username" value="${jdbc.username}"></property>
<property name="password" value="${jdbc.password}"></property>
</dataSource>
</environment>
</environments>-->
<!--加载映射-->
<!--<mappers>
<!–<mapper resource="com/jkj/mapper/AccountMapper.xml"></mapper>–>
<package name="com.jkj.mapper"></package>
</mappers>-->
</configuration>
15.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">
<!--组件扫描 主要扫描controller-->
<context:component-scan base-package="com.jkj.controller"></context:component-scan>
<!--配置mvc注解驱动-->
<mvc:annotation-driven></mvc:annotation-driven>
<!--内部资源视图解析器-->
<bean id="resourceViewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/pages/"></property>
<property name="suffix" value=".jsp"></property>
</bean>
<!--开发静态资源访问权限-->
<mvc:default-servlet-handler></mvc:default-servlet-handler>
</beans>
16.mybatis-config-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>
<!-- <!–加载properties文件–>
<properties resource="jdbc.properties"></properties>-->
<!--定义别名-->
<typeAliases>
<!--<typeAlias type="com.itheima.domain.Account" alias="account"></typeAlias>-->
<package name="com.jkj.domain"></package>
</typeAliases>
</configuration>
17.save.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@ page isELIgnored="false" %>
<html>
<head>
<title>Title</title>
</head>
<body>
<h1>添加账户信息表单</h1>
<form name="accountForm" action="${pageContext.request.contextPath}/account/save" method="post">
账户名称:<input type="text" name="name"><br>
账户金额:<input type="text" name="money"><br>
<input type="submit" value="保存"><br>
</form>
</body>
</html>
18.accountList.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page isELIgnored="false" %>
<html>
<head>
<title>Title</title>
</head>
<body>
<h1>展示账户数据列表</h1>
<table border="1">
<tr>
<th>账户id</th>
<th>账户名称</th>
<th>账户金额</th>
</tr>
<c:forEach items="${accountList}" var="account">
<tr>
<td>${account.id}</td>
<td>${account.name}</td>
<td>${account.money}</td>
</tr>
</c:forEach>
</table>
</body>
</html>