SSM框架整合

SSM整合

导入jar包

spring相关jar包

spring-aop-4.3.24.RELEASE.jar
spring-aspects-4.3.24.RELEASE.jar
spring-beans-4.3.24.RELEASE.jar
spring-context-4.3.24.RELEASE.jar
spring-context-support-4.3.24.RELEASE.jar
spring-core-4.3.24.RELEASE.jar
spring-expression-4.3.24.RELEASE.jar
spring-jdbc-4.3.24.RELEASE.jar
spring-orm-4.3.24.RELEASE.jar
spring-oxm-4.3.24.RELEASE.jar
spring-tx-4.3.24.RELEASE.jar
spring-web-4.3.24.RELEASE.jar
spring-webmvc-4.3.24.RELEASE.jar
aspectjweaver.jar

mybatis相关jar包

mybatis-3.5.2.jar

spring和mybatis的整合包

mybatis-spring-1.3.3.jar

jdbc数据包

mysql-connector-java-5.1.47.jar

日志包

commons-logging-1.2.jar
log4j-1.2.17.jar
log4j-api-2.11.2.jar
log4j-core-2.11.2.jar

分页插件:PageHelper

jsqlparser-2.1.jar
pagehelper-5.1.10.jar

druid连接池包

druid-1.1.20.jar

配置文件

数据库配置文件

 jdbc.properties

# 一般properties的第一行不要书写相关配置  可能不生效
jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://127.0.0.1:3306/0812_stmng?useUnicode=true&characterEncoding=utf8&useSSL=true
jdbc.username=root
jdbc.password=root

日志配置文件

 log4j.properties

# Global logging configuration
log4j.rootLogger=DEBUG, stdout
# MyBatis logging configuration...
log4j.logger.org.mybatis.example.BlogMapper=TRACE
# 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

spring配置文件

 application.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:context="http://www.springframework.org/schema/context"
	xmlns:tx="http://www.springframework.org/schema/tx"
	xsi:schemaLocation="http://www.springframework.org/schema/beans https://www.springframework.org/schema/beans/spring-beans.xsd
		http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd
		http://www.springframework.org/schema/aop https://www.springframework.org/schema/aop/spring-aop.xsd
		http://www.springframework.org/schema/tx https://www.springframework.org/schema/tx/spring-tx.xsd">
	<!-- 引入jdbc配置  -->
	<context:property-placeholder location="classpath:jdbc.properties" system-properties-mode="FALLBACK"/>
	<!-- 配置数据源  整合 druid -->
	<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource">
		<property name="driverClassName" 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>
	</bean>
    
	<!-- 配置SqlSessionFactoryBean -->
	<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
		<!-- 配置数据源 -->
		<property name="dataSource" ref="dataSource"></property>
		<!-- 配置插件 -->
		<property name="plugins" >
			<array>
				<bean class="com.github.pagehelper.PageInterceptor"></bean>
			</array>
		</property>
		<!-- 配置包下类别名 -->
		<property name="typeAliasesPackage" value="com.sxt.pojo"></property>
		<!-- 配置mapper地址 -->
		<property name="mapperLocations" >
			<array>
				<value>classpath*:mapper/*.xml</value>
			</array>
		</property>
	</bean>
	<!-- 配置mapper接口代理类  mapper 扫描-->
	<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
		<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
		<property name="basePackage" value="com.sxt.mapper"></property>
	</bean>
	
	<!-- 配置事务 -->
	<!-- 事务管理器对象 -->
	<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
		<property name="dataSource" ref="dataSource"></property>
	</bean>
	<!-- 事务增强器 -->
	<tx:advice id="txAdvice" transaction-manager="transactionManager">
		<!-- 设置需要增强方法 -->
		<tx:attributes>
			<tx:method name="update*" />
			<tx:method name="delete*" />
			<tx:method name="insert*" />
			<tx:method name="select*" read-only="true"/>
			<tx:method name="*" read-only="true"/>
		</tx:attributes>
	</tx:advice>
    
	<!-- 配置切面 -->
	<aop:config>
		<aop:pointcut expression="execution(* com.sxt.service.impl.*.*(..))" id="pc"/>
		<aop:advisor advice-ref="txAdvice" pointcut-ref="pc"/>
	</aop:config>
	 <!-- 开启组件扫描 -->
	<context:component-scan base-package="com.sxt"></context:component-scan>
</beans>

springmvc配置文件

<?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:context="http://www.springframework.org/schema/context"
	xmlns:tx="http://www.springframework.org/schema/tx"
	xmlns:mvc="http://www.springframework.org/schema/mvc"
	xsi:schemaLocation="http://www.springframework.org/schema/mvc https://www.springframework.org/schema/mvc/spring-mvc.xsd
		http://www.springframework.org/schema/beans https://www.springframework.org/schema/beans/spring-beans.xsd
		http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd
		http://www.springframework.org/schema/aop https://www.springframework.org/schema/aop/spring-aop.xsd
		http://www.springframework.org/schema/tx https://www.springframework.org/schema/tx/spring-tx.xsd">
	<!-- 开启mvc注解 -->
	<mvc:annotation-driven />
	<context:component-scan base-package="com.sxt.controller"></context:component-scan>
	<!-- 配置视图解析器 -->
	<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
		<property name="prefix" value="/WEB-INF/jsp"></property>
	</bean>
</beans>

映射文件

 UserMapper.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">
 <!-- orm 映射文件  -->
<mapper namespace="com.sxt.mapper.UserMapper">
	<select id="selectAll" resultType="User">
		select id as id,user_name as userName,password as password,real_name as realName from user
	</select>
</mapper>

Java类

pojo

package com.sxt.pojo;

public class User {
	
	private Integer id;
	private String userName;	
	private String password;	
	private String realName;
    
	public Integer getId() {
		return id;
	}
	public void setId(Integer id) {
		this.id = id;
	}
	public String getUserName() {
		return userName;
	}
	public void setUserName(String userName) {
		this.userName = userName;
	}
	public String getPassword() {
		return password;
	}
	public void setPassword(String password) {
		this.password = password;
	}
	public String getRealName() {
		return realName;
	}
	public void setRealName(String realName) {
		this.realName = realName;
	}

	@Override
	public String toString() {
		return "User [id=" + id + ", userName=" + userName + ", password=" + password + ", realName=" + realName + "]";
	}

}

mapper

package com.sxt.mapper;

import java.util.List;

import com.sxt.pojo.User;

public interface UserMapper {

	public List<User> selectAll();
    
}

service

package com.sxt.service;

import java.util.List;

import com.sxt.pojo.User;

public interface IUserService {

	public List<User> queryAll();
    
}

package com.sxt.service.impl;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import com.sxt.mapper.UserMapper;
import com.sxt.pojo.User;
import com.sxt.service.IUserService;

@Service
public class UserServiceImpl implements IUserService {
    
	@Autowired
	private UserMapper userMapper;

	@Override
	public List<User> queryAll() {
		return userMapper.selectAll();
	}

}

controller

package com.sxt.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.sxt.pojo.User;
import com.sxt.service.IUserService;

@Controller
@RequestMapping("/user")
public class UserController {
	
	@Autowired
	private IUserService userService;
	
	@RequestMapping("/list.do")
	public String list(Model model) {
		List<User> users = userService.queryAll();
		for (User user : users) {
			System.out.println(user);
		}
		model.addAttribute("users", users);
		return "/list.jsp";
	}

}