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Spring+SpringMVC+Mybatis整合

1.2.1.导入相关jar包

spring及springmvc的jar包

aspectjweaver.jar
spring-aop-4.3.25.RELEASE.jar
spring-aspects-4.3.25.RELEASE.jar
spring-beans-4.3.25.RELEASE.jar
spring-context-4.3.25.RELEASE.jar
spring-context-support-4.3.25.RELEASE.jar
spring-core-4.3.25.RELEASE.jar
spring-expression-4.3.25.RELEASE.jar
spring-jdbc-4.3.25.RELEASE.jar
spring-orm-4.3.25.RELEASE.jar
spring-tx-4.3.25.RELEASE.jar
spring-web-4.3.25.RELEASE.jar
spring-webmvc-4.3.25.RELEASE.jar

mybatis相关包

mybatis-3.5.2.jar    //mybatis核心包
mybatis-spring-1.3.3.jar  //  spring 和 mybatis的整合包

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

数据库包

mysql-connector-java-5.1.47.jar

分页插件包

jsqlparser-2.1.jar
pagehelper-5.1.10.jar

连接池的包

druid-1.1.20.jar

jstl

jstl-1.2.jar
standard-1.1.2.jar

1.2.2.配置文件

数据库连接配置文件

jdbc.properties

jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://127.0.0.1:3306/1009-mybatis?useUnicode=true&characterEncoding=utf8&useSSL=true
jdbc.username=root
jdbc.password=root
#druid 内置监视器
jdbc.filters=stat,log4j,wall
# 最大连接数
jdbc.maxActive=20
# 最小连接数
jdbc.minIdle=1

日志的配置文件

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

spring-context

  <?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:mvc="http://www.springframework.org/schema/mvc"
  	xmlns:tx="http://www.springframework.org/schema/tx"
  	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">
  		
  		<!-- 引入其他配置文件 -->
  		<import resource="classpath:spring-dao.xml" />
  		<import resource="classpath:spring-tx.xml" />
  		<import resource="classpath:spring-service.xml" />
  		
  </beans>

spring-dao.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:mvc="http://www.springframework.org/schema/mvc"
   	xmlns:tx="http://www.springframework.org/schema/tx"
   	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">
   		<!-- 配置数据源 -->
   		<!-- 1. 数据库配置文件 -->
   		<context:property-placeholder  location="classpath:jdbc.properties" system-properties-mode="FALLBACK"/>
   		<!-- 2.配置数据源 -->
   		<!-- 配置druid连接池 -->
   		<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>
   			<property name="filters" value="${jdbc.filters}"></property>
   			<property name="maxActive" value="${jdbc.maxActive}"></property>
   			<property name="minIdle" value="${jdbc.minIdle}"></property>
   		</bean>
   		<!-- SqlSession -->
   		<!-- 3.SqlSessionFactory -->
   		<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
   			<!-- 配置数据源 -->
   			<property name="dataSource" ref="dataSource"></property>
   			<!-- mybatis相关配置信息 -->
   			<!-- 配置mapper映射文件 -->
   			<property name="mapperLocations" value="classpath:mapper/*.xml"></property>
   			<!-- 配置别名 -->
   			<property name="typeAliasesPackage" value="com.sxt.pojo"></property>
   			<!-- 配置插件 -->
   			<property name="plugins">
   				<array>
   					<bean class="com.github.pagehelper.PageInterceptor"></bean>
   				</array>
   			</property>
   		</bean>
   		<!-- 4.使用SqlSessionFactory  生成mapper接口的代理类 -->
   		<!-- 使用mapper扫描 -->
   		<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
   			<property name="basePackage" value="com.sxt.mapper"></property>
   			<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
   		</bean>
   </beans>

spring-tx.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:mvc="http://www.springframework.org/schema/mvc"
   	xmlns:tx="http://www.springframework.org/schema/tx"
   	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">
   		<!-- 事务管理器 -->
   		<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
   			<!-- 配置被管理的数据源 -->
   			<property name="dataSource" ref="dataSource"></property>
   		</bean>
   		<!-- 启用声明式事务 -->
   		<tx:annotation-driven transaction-manager="transactionManager"/>
   </beans>

spring-service.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:mvc="http://www.springframework.org/schema/mvc"
   	xmlns:tx="http://www.springframework.org/schema/tx"
   	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">
   		<context:component-scan base-package="com.sxt.service.impl"></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:mvc="http://www.springframework.org/schema/mvc"
	xmlns:tx="http://www.springframework.org/schema/tx"
	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">
		<!-- 开启包扫描 -->
		<context:component-scan base-package="com.sxt.controller"></context:component-scan>
		<!-- 开启mvc注解 -->
		<!-- 开启了注解式的映射器和适配器 -->
		<mvc:annotation-driven />
</beans>

mybatis的mapper文件

<?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">
  <!-- 
  	namespace : 命名空间
  	namespace作用: 
  		1.namespace + id 生成key,namespace 区分sql命令  sql命令的ID 不能重复
  		2.使用代理时 根据namespace 生成代理类
   -->
<mapper namespace="com.sxt.mapper.UserMapper">
	<!-- 添加 -->
	<insert id="insert" parameterType="User" useGeneratedKeys="true" keyColumn="id" keyProperty="id">
		insert into  user value(0,#{name},#{password})
	</insert>
	<!-- 删除 -->
	<delete id="delete" parameterType="int" >
		delete from user where id = #{id}
	</delete>
	
	<select id="selectOne" resultType="User" parameterType="int">
		select id,name,password from user where id = #{id}
	</select>
	
	<select id="selectList" resultType="User" >
		select id,name,password from user
	</select>
	
	<update id="update" parameterType="User">
		update user 
		set 
			name = #{name},
			password = #{password}
		where 
			id = #{id}	
	</update>
	
</mapper>

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" id="WebApp_ID" version="3.1">
  <display-name>ssm01</display-name>
  <welcome-file-list>
    <welcome-file>index.html</welcome-file>
    <welcome-file>index.htm</welcome-file>
    <welcome-file>index.jsp</welcome-file>
    <welcome-file>default.html</welcome-file>
    <welcome-file>default.htm</welcome-file>
    <welcome-file>default.jsp</welcome-file>
  </welcome-file-list>
  <!-- 配置listener   启动时 加载spring的配置文件 -->
  <listener>
  	<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  </listener>
  <context-param>
  	<param-name>contextConfigLocation</param-name>
  	<param-value>classpath:spring-context.xml</param-value>
  </context-param>
  
  
  <!-- 配置springmvc -->
  <servlet>
  	<servlet-name>springmvc</servlet-name>
  	<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
  	<init-param>
  		<param-name>contextConfigLocation</param-name>
  		<param-value>classpath:springmvc.xml</param-value>
  	</init-param>
  	<load-on-startup>1</load-on-startup>
  </servlet>
  <servlet-mapping>
  	<servlet-name>springmvc</servlet-name>
  	<url-pattern>*.do</url-pattern>
  </servlet-mapping>
  <!--  配置编码过滤器 -->
  <filter>
  	<filter-name>charsetFilter</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>charsetFilter</filter-name>
  	<servlet-name>springmvc</servlet-name>
  </filter-mapping>
  <!-- 配置druid监控页面 -->
  <servlet>
  	<servlet-name>druid</servlet-name>
  	<servlet-class>com.alibaba.druid.support.http.StatViewServlet</servlet-class>
  </servlet>
  <servlet-mapping>
  	<servlet-name>druid</servlet-name>
  	<url-pattern>/druid/*</url-pattern>
  </servlet-mapping>
  
</web-app>

1.2.3.相关类

pojo:

package com.sxt.pojo;

/**
 * 用户表实体类
 */
public class User {
	
	private Integer id; //用户ID
	private String  name; //用户名称
	private String password; //用户密码
	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 String getPassword() {
		return password;
	}
	public void setPassword(String password) {
		this.password = password;
	}
	@Override
	public String toString() {
		return "User [id=" + id + ", name=" + name + ", password=" + password + "]";
	}
	
}

mapper

package com.sxt.mapper;

import java.util.List;

import org.apache.ibatis.annotations.Param;

import com.sxt.pojo.User;

public interface UserMapper {
	
	
	public int insert(User user);
	
	public int delete(@Param("id")Integer id);
	
	public User selectOne(@Param("id")Integer id);
	
	public List<User> selectList();
	
	public int update(User user);

}

service

package com.sxt.service;

import java.util.List;

import com.github.pagehelper.Page;
import com.sxt.pojo.User;

public interface IUserService {
	
	public int insert(User user);
	
	public int delete(Integer id);
	
	public User selectOne(Integer id);
	
	public List<User> selectList();
	
	public Page<User> selectPage();
	
	public int update(User user);
}

package com.sxt.service.impl;

import java.util.List;

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

import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
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 int insert(User user) {
		return userMapper.insert(user);
	}

	@Override
	public int delete(Integer id) {
		return userMapper.delete(id);
	}

	@Override
	public User selectOne(Integer id) {
		return userMapper.selectOne(id);
	}

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

	@Override
	public int update(User user) {
		return userMapper.update(user);
	}
	
	@Override
	public Page<User> selectPage() {
		Page<User> page = PageHelper.startPage(1, 5);
		userMapper.selectList();
		return page;
	}
	

}

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")
	public String list(Model model) {
		List<User> users = userService.selectList();
		model.addAttribute("users", users);
		return "/list.jsp";
	}

}

jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
    <%@taglib uri="http://java.sun.com/jsp/jstl/core"  prefix="c"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<table>
	<tr>
		<th>id</th>
		<th>name</th>
		<th>password</th>
	</tr>
	<c:forEach  items="${users}" var="user">
		<tr>
			<td>${user.id}</td>
			<td>${user.name}</td>
			<td>${user.password}</td>
		</tr>
	
	</c:forEach>

</table>
</body>
</html>

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原文地址：https://www.cnblogs.com/lyang-a/p/12563313.html