SSM整合1
目录
一. 项目准备
01-需求
02-数据库脚本
create database ssm;
create table account(
id int primary key auto_increment,
name varchar(100),
money double(7,2),
);
INSERT INTO account(NAME,money)VALUES("小雪",1000);
INSERT INTO account(NAME,money)VALUES("丽丽",1000);
03-项目结构
04-Maven依赖
pom.xml文件中添加依赖
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>1.9</maven.compiler.source>
<maven.compiler.target>1.9</maven.compiler.target>
<spring.version>5.2.3.RELEASE</spring.version>
<slf4j.version>1.6.6</slf4j.version>
<log4j.version>1.2.12</log4j.version>
<mybatis.version>3.4.5</mybatis.version>
<mysql.version>5.1.6</mysql.version>
</properties>
<dependencies>
<!--【Junit】-->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<scope>compile</scope>
</dependency>
<!--【Spring】-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
<version>1.6.8</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aop</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>${spring.version}</version>
</dependency>
<!--【MySql】-->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>${mysql.version}</version>
</dependency>
<!--【Servlet】-->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>2.5</version>
<scope>provided</scope>
</dependency>
<!--【JSP】-->
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>jsp-api</artifactId>
<version>2.0</version>
<scope>provided</scope>
</dependency>
<!--【JSTL】-->
<dependency>
<groupId>jstl</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<!--【Log】-->
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>${log4j.version}</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>${slf4j.version}</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>${slf4j.version}</version>
</dependency>
<!--【Mybatis】-->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>${mybatis.version}</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.3.0</version>
</dependency>
<!--【c3p0】-->
<dependency>
<groupId>c3p0</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.1.2</version>
<type>jar</type>
<scope>compile</scope>
</dependency>
</dependencies>
二.Java源代码
01-domain-实体类
Account实体类
package cn.lpl666.domain;
import java.io.Serializable;
public class Account implements Serializable {
private int id;
private String name;
private double money;
public int getId() {
return id;
}
public void setId(int 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 +
'}';
}
}
02-dao-持久层
IAccountDao接口
package cn.lpl666.dao;
import cn.lpl666.domain.Account;
import org.springframework.stereotype.Repository;
import java.util.List;
@Repository("accountDao")
public interface IAccountDao {
/**
* 查询所有账户信息
* @return
*/
List<Account> findAll();
/**
* 添加账户
* @param account
*/
void saveAccount(Account account);
/**
* 查询账户
* @param id
* @return
*/
Account findOne(int id);
/**
* 更新账户
* @param account
*/
void update(Account account);
}
03-Service-服务层
IAccountService接口
package cn.lpl666.service;
import cn.lpl666.domain.Account;
import java.util.List;
public interface IAccountService {
/**
* 查询所有账户信息
* @return
*/
List<Account> findAll();
/**
* 添加账户
* @param account
*/
void saveAccount(Account account);
/**
* 转账
* @param oneId
* @param twoId
*/
void transfer(int oneId,int twoId,double money);
}
AccountServiceImpl实现类
package cn.lpl666.service.impl;
import cn.lpl666.dao.IAccountDao;
import cn.lpl666.domain.Account;
import cn.lpl666.service.IAccountService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;
import java.util.List;
@Service("accountService")
public class AccountServiceImpl implements IAccountService {
@Autowired
private IAccountDao accountDao = null;
@Override
public List<Account> findAll() {
System.out.println("查询方法执行了");
List<Account> list = accountDao.findAll();
return list;
}
@Override
public void saveAccount(Account account) {
accountDao.saveAccount(account);
}
@Override
public void transfer(int oneId, int twoId,double money) {
Account one = accountDao.findOne(oneId);
Account two=accountDao.findOne(twoId);
one.setMoney(one.getMoney()-money);
two.setMoney(two.getMoney() + money);
accountDao.update(one);
accountDao.update(two);
}
}
04-controller-控制器
AccountController
package cn.lpl666.controller;
import cn.lpl666.domain.Account;
import cn.lpl666.service.IAccountService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import javax.servlet.http.HttpServletRequest;
import java.util.List;
@Controller
@RequestMapping("account")
public class AccountController {
@Autowired
private IAccountService accountService = null;
/**
* 查询所有账户，跳转到用户列表页面（list.jsp）,并显示数据
* @param model
* @return
*/
@RequestMapping("findAll")
public String findAll(Model model){
System.out.println("执行了查询用户列表");
List<Account> list = accountService.findAll();
model.addAttribute("list",list);
return "list";
}
/**
* 添加账户，接收用户的参数，添加成功后，转发查询用户列表
* @param account
* @param request
* @return
*/
@RequestMapping("save")
public String save(Account account, HttpServletRequest request){
accountService.saveAccount(account);
System.out.println("保存成功");
return "forward:/account/findAll";
}
/**
* 转账，转账成功后，转发查询用户列表
* @param oneId
* @param twoId
* @param money
* @return
*/
@RequestMapping("transfer")
public String transfer(int oneId,int twoId,double money){
accountService.transfer(oneId,twoId,money);
System.out.println("转账成功！");
return "forward:/account/findAll";
}
}
三.Resources配置资源
01-MySQL连接信息配置
配置文件：jdbc.properties
jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://127.0.0.1:3306/ssm
jdbc.username=root
jdbc.password=root
02-日志记录配置
配置文件：log4j.properties
# Set root category priority to INFO and its only appender to CONSOLE.
#log4j.rootCategory=INFO, CONSOLE debug info warn error fatal
log4j.rootCategory=info, 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
03-SpringMVC配置
配置文件：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-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">
<!--配置spring创建容器时要扫描的包，只扫描controller控制器-->
<context:component-scan base-package="cn.lpl666.controller"></context:component-scan>
<!--配置视图解析器-->
<bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<!--路径-->
<property name="prefix" value="/WEB-INF/pages/"></property>
<!--文件-->
<property name="suffix" value=".jsp"></property>
</bean>
<!-- 设置静态资源不过滤 -->
<mvc:resources location="/css/" mapping="/css/**"/>
<mvc:resources location="/images/" mapping="/images/**"/>
<mvc:resources location="/js/" mapping="/js/**"/>
<!--<mvc:default-servlet-handler/>-->
<!--配置SpringMvc开启Mvc注解的支持-->
<mvc:annotation-driven enable-matrix-variables="true"/>
</beans>
04-SSM整合配置
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:context="http://www.springframework.org/schema/context"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd">
<!-- 开启注解扫描，要扫描的是service和dao层的注解，要忽略web层注解，因为web层让SpringMVC框架
去管理 -->
<context:component-scan base-package="cn.lpl666">
<!-- 配置要忽略的注解 -->
<context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
</context:component-scan>
<!--【Mybatis整合】-->
<!-- 加载数据库连接信息配置文件 -->
<context:property-placeholder location="classpath:jdbc.properties" />
<!-- 配置 MyBatis 的 Session 工厂 -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<!--Mybatis子配置返回值别名配置-->
<property name="typeAliasesPackage" value="cn.lpl666.domain"/>
<!-- 数据库连接池 -->
<property name="dataSource" ref="dataSource" />
</bean>
<!-- 配置数据源 -->
<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 Mapper 扫描器 -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="cn.lpl666.dao"/>
</bean>
<!--【配置事务】-->
<!--配置事务管理器-->
<bean id="transferManger" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource"></property>
</bean>
<!--配置事务通知-->
<tx:advice id="txAdivce" transaction-manager="transferManger">
<!--配置事务属性-->
<tx:attributes>
<!--propagation：用于指定事务的传播行为。默认值是REQUIRED,表示一定会有事务，增删改的选择。查询方法可以选择SUPPORTS。-->
<tx:method name="*" propagation="REQUIRED" read-only="false"/>
<tx:method name="find*" propagation="SUPPORTS" read-only="true"></tx:method>
</tx:attributes>
</tx:advice>
<!--配置AOP-->
<aop:config>
<!--配置管理包的表达式-->
<aop:pointcut id="servicePath" expression="execution(* cn.lpl666.service.impl.*.*(..))"></aop:pointcut>
<!--建立切入点表达式和事务通知的对应关系-->
<aop:advisor advice-ref="txAdivce" pointcut-ref="servicePath"></aop:advisor>
</aop:config>
</beans>
05-Mybatis操作Sql配置
配置包：cn.lpl666.dao
配置项：IAccountDao.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="cn.lpl666.dao.IAccountDao">
<!--查询所有账户列表-->
<select id="findAll" resultType="Account">
SELECT * FROM account
</select>
<!--保存账户-->
<update id="saveAccount" parameterType="Account">
INSERT INTO account(NAME,money)VALUES(#{name},#{money})
</update>
<!--根据id查询账户-->
<select id="findOne" parameterType="int" resultType="Account">
select * from account where id=#{id}
</select>
<!--更新账户-->
<update id="update" parameterType="Account">
UPDATE account SET name=#{name},money=#{money} WHERE id=#{id}
</update>
</mapper>
四.Web
01-目录结构
02-服务器启动后相关配置
配置文件：WEB-INF目录下的web.xml
<!DOCTYPE web-app PUBLIC
"-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
"http://java.sun.com/dtd/web-app_2_3.dtd" >
<web-app>
<display-name>Archetype Created Web Application</display-name>
<!--【配置过滤器解决中文乱码问题】-->
<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>
<!--【配置核心控制器】-->
<servlet>
<servlet-name>dispatcherServlet</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<!--配置servlet初始化参数，调用springMvc配置文件，创建spring容器-->
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:springmvc.xml</param-value>
</init-param>
</servlet>
<servlet-mapping>
<servlet-name>dispatcherServlet</servlet-name>
<!--请求项目中任何路径都会经过DispatcherServlet核心控制器-->
<url-pattern>/</url-pattern>
</servlet-mapping>
<!-- 【配置 spring 提供的监听器，用于启动服务时加载容器 。
该间监听器只能加载 WEB-INF 目录中名称为 applicationContext.xml 的配置文件】 -->
<listener>
<listener-class>
org.springframework.web.context.ContextLoaderListener
</listener-class>
</listener>
<!-- 手动指定 spring 配置文件位置 -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext.xml</param-value>
</context-param>
</web-app>
03-首页操作JSP页面
页面文件：index.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Title</title>
</head>
<body>
<h2>查询账户列表</h2>
<p><a href="account/findAll">findAll</a></p>
<h2>添加账户</h2>
<form action="account/save" method="post">
<p>用户名：<input type="text" name="name"></p>
<p>金额：<input type="text" name="money"></p>
<p><input type="submit" value="提交"></p>
</form>
<h2>转账</h2>
<form action="account/transfer" method="post">
<p>转账人id：<input type="text" name="oneId"></p>
<p>收账人id：<input type="text" name="twoId"></p>
<p>转账金额：<input type="text" name="money"></p>
<p><input type="submit" value="提交"></p>
</form>
</body>
</html>
04-展示账户列表页面
<%@ page contentType="text/html;charset=UTF-8" language="java" isELIgnored="false" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<html>
<head>
<title>Title</title>
</head>
<body>
<h2>账户列表</h2>
<%--遍历对象--%>
<c:forEach items="${list}" var="value">
账户ID号：${value.id}<br>
账户姓名：${value.name}<br>
账户金额：${value.money}<br>
<hr>
</c:forEach>
</body>
</html>
