SSM整合案例
SSM整合案例
@(Spring)[spring, springmvc, mybatis, ssm整合, Spring]
- SSM整合案例
- 导入依赖
- 创建MyBatis配置文件
- 创建Spring Dao配置文件
- 提供数据库配置文件
- 提供日志配置文件
- 创建Spring Service配置文件
- 创建Spring Transaction配置文件
- 配置webxml
- 创建Spring MVC配置文件
- 测试环境是否搭建成功
- 使用MyBatis生成器生成Mapper和POJO
- UserService
- UserServiceImpl
- UserController
- listjsp
导入依赖
这里使用Maven导入Jar包。
<properties>
<spring.version>4.2.4.RELEASEspring.version>
<mysql.version>5.1.32mysql.version>
<dbcp.version>1.4dbcp.version>
<mybatis.version>3.3.0mybatis.version>
<mybatis-spring.version>1.2.3mybatis-spring.version>
<slf4j.version>1.7.5slf4j.version>
<javassist.version>3.16.1-GAjavassist.version>
<cglib.version>2.2.2cglib.version>
<junit.version>4.10junit.version>
<servlet.version>2.5servlet.version>
<jsp.version>2.0jsp.version>
<jstl.version>1.2jstl.version>
properties>
<dependencies>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-webmvcartifactId>
<version>${spring.version}version>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-aspectsartifactId>
<version>${spring.version}version>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-ormartifactId>
<version>${spring.version}version>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-testartifactId>
<version>${spring.version}version>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-context-supportartifactId>
<version>${spring.version}version>
dependency>
<dependency>
<groupId>mysqlgroupId>
<artifactId>mysql-connector-javaartifactId>
<version>${mysql.version}version>
dependency>
<dependency>
<groupId>commons-dbcpgroupId>
<artifactId>commons-dbcpartifactId>
<version>${dbcp.version}version>
dependency>
<dependency>
<groupId>org.mybatisgroupId>
<artifactId>mybatisartifactId>
<version>${mybatis.version}version>
dependency>
<dependency>
<groupId>org.mybatisgroupId>
<artifactId>mybatis-springartifactId>
<version>${mybatis-spring.version}version>
dependency>
<dependency>
<groupId>org.slf4jgroupId>
<artifactId>slf4j-apiartifactId>
<version>${slf4j.version}version>
dependency>
<dependency>
<groupId>org.slf4jgroupId>
<artifactId>slf4j-log4j12artifactId>
<version>${slf4j.version}version>
dependency>
<dependency>
<groupId>org.javassistgroupId>
<artifactId>javassistartifactId>
<version>${javassist.version}version>
dependency>
<dependency>
<groupId>cglibgroupId>
<artifactId>cglibartifactId>
<version>${cglib.version}version>
dependency>
<dependency>
<groupId>junitgroupId>
<artifactId>junitartifactId>
<version>${junit.version}version>
<scope>testscope>
dependency>
<dependency>
<groupId>javax.servletgroupId>
<artifactId>servlet-apiartifactId>
<version>${servlet.version}version>
<scope>providedscope>
dependency>
<dependency>
<groupId>javax.servletgroupId>
<artifactId>jsp-apiartifactId>
<version>${jsp.version}version>
<scope>providedscope>
dependency>
<dependency>
<groupId>javax.servletgroupId>
<artifactId>jstlartifactId>
<version>${jstl.version}version>
dependency>
dependencies>创建MyBatis配置文件
文件放在classpath目录下，文件名为：SqlMapConfig.xml
<configuration>
configuration>创建Spring Dao配置文件
文件放在classpath目录下，文件名为：applicationContext_dao.xml
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd">
<context:property-placeholder location="classpath:db.properties" />
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
<property name="driverClassName" value="${jdbc.driver}" />
<property name="url" value="${jdbc.url}" />
<property name="username" value="${jdbc.username}" />
<property name="password" value="${jdbc.password}" />
<property name="maxActive" value="10" />
<property name="maxIdle" value="5" />
bean>
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="configLocation" value="classpath:SqlMapConfig.xml" />
bean>
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.pc.ssm.dao" />
bean>
beans>提供数据库配置文件
文件放在classpath目录下，文件名为：db.properties
jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost/myssm?useUnicode=true&characterEncoding=utf8
jdbc.username=root
jdbc.password=123456提供日志配置文件
文件放在classpath目录下，文件名为：log4j.properties
# Global logging configuration
log4j.rootLogger=DEBUG, stdout
# Console output...
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%5p [%t] - %m%n创建Spring Service配置文件
文件放在classpath目录下，文件名为：applicationContext_service.xml
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
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/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">
<context:component-scan base-package="com.pc.ssm.service" />
beans>创建Spring Transaction配置文件
文件放在classpath目录下，文件名为：applicationContext_transaction.xml
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
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/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">
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource" />
bean>
<tx:advice id="txAdvice" transaction-manager="transactionManager">
<tx:attributes>
<tx:method name="save*" propagation="REQUIRED" />
<tx:method name="insert*" propagation="REQUIRED" />
<tx:method name="delete*" propagation="REQUIRED" />
<tx:method name="update*" propagation="REQUIRED" />
<tx:method name="find*" propagation="SUPPORTS" read-only="true" />
<tx:method name="get*" propagation="SUPPORTS" read-only="true" />
tx:attributes>
tx:advice>
<aop:config>
<aop:pointcut expression="execution(* com.pc.ssm.service.*.*(..))" id="txPointcut"/>
<aop:advisor advice-ref="txAdvice" pointcut-ref="txPointcut" />
aop:config>
beans>配置web.xml
<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"
version="2.5">
<display-name>SSMIntegrationDemodisplay-name>
<welcome-file-list>
<welcome-file>index.jspwelcome-file>
<welcome-file>index.htmlwelcome-file>
welcome-file-list>
<context-param>
<param-name>contextConfigLocationparam-name>
<param-value>classpath:applicationContext_*.xmlparam-value>
context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListenerlistener-class>
listener>
<servlet>
<servlet-name>springmvcservlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServletservlet-class>
<init-param>
<param-name>contextConfigLocationparam-name>
<param-value>classpath:springmvc.xmlparam-value>
init-param>
<load-on-startup>10load-on-startup>
servlet>
<servlet-mapping>
<servlet-name>springmvcservlet-name>
<url-pattern>*.actionurl-pattern>
servlet-mapping>
web-app>创建Spring MVC配置文件
<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:mvc="http://www.springframework.org/schema/mvc"
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">
<context:component-scan base-package="com.pc.ssm.web.controller" />
<mvc:annotation-driven />
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="viewClass" value="org.springframework.web.servlet.view.JstlView" />
<property name="prefix" value="/WEB-INF/jsp/" />
<property name="suffix" value=".jsp" />
bean>
beans>测试环境是否搭建成功
使用MyBatis生成器生成Mapper和POJO
使用mybatis-generator-core.jar生成UserMapper.java、UserMapper.xml、User.java、UserExample.java。
PS：怎么生成Mapper和POJO可以自行搜索。
UserService
package com.pc.ssm.service;
import java.util.List;
import com.pc.ssm.pojo.User;
/**
* 用户Service层接口
*
* @author Switch
* @data 2017年1月11日
* @version V1.0
*/
public interface UserService {
/**
* 获取所有用户信息
*
* @return
*/
List findAllUser();
} UserServiceImpl
package com.pc.ssm.service.impl;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.pc.ssm.dao.UserMapper;
import com.pc.ssm.pojo.User;
import com.pc.ssm.service.UserService;
/**
* 用户Service层接口实现类
*
* @author Switch
* @data 2017年1月11日
* @version V1.0
*/
@Service
public class UserServiceImpl implements UserService {
// 注入用户Mapper
@Autowired
private UserMapper userMapper;
@Override
public List findAllUser() {
return userMapper.selectByExample(null);
}
} UserController
package com.pc.ssm.web.controller;
import java.util.List;
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 com.pc.ssm.pojo.User;
import com.pc.ssm.service.UserService;
/**
* 用户控制器
*
* @author Switch
* @data 2017年1月11日
* @version V1.0
*/
@Controller
@RequestMapping("/user")
public class UserController {
// 注入用户Service
@Autowired
private UserService userService;
@RequestMapping("/list")
public String list(Model model) {
List users = userService.findAllUser();
model.addAttribute("users", users);
return "list";
}
} list.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/fmt" prefix="fmt"%>
<html>
<head>
<meta charset="UTF-8">
<title>用户列表title>
head>
<body style="margin: 0 auto; width: 800px;">
<form action="${pageContext.request.contextPath}/user/findByCriteria.action" method="post">
<table width="100%" border=1>
<caption>查询条件caption>
<tr>
<td><input type="submit" value="查询"/>td>
tr>
table>
form>
<table style="width: 88%;" border=1>
<caption>用户列表caption>
<tr>
<td>用户编号td>
<td>用户名td>
<td>生日td>
<td>性别td>
<td>地址td>
<td>操作td>
tr>
<c:forEach items="${users}" var="user">
<tr>
<td>${user.id}td>
<td>${user.username}td>
<td><fmt:formatDate value="${user.birthday}" pattern="yyyy-MM-dd HH:mm:ss"/>td>
<td>
<c:choose>
<c:when test="${user.sex == 1}">男c:when>
<c:when test="${user.sex == 2}">女c:when>
c:choose>
td>
<td>${user.address}td>
<td><a href="${pageContext.request.contextPath}/user/showEdit.action?id=${user.id}">修改a>td>
tr>
c:forEach>
table>
body>
html>输入http://localhost:8080/SSMIntegrationDemo/user/list.action，如下显示：
GitHub：SSMIntegrationDemo