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>