<?xml version="1.0" encoding="UTF-8"?>

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    
  <modelVersion>4.0.0</modelVersion>

  <groupId>com.fmz.learn.springmybatis</groupId>
  <artifactId>spring-mybatis</artifactId>
  <version>1.0-SNAPSHOT</version>
  <packaging>war</packaging>

  <name>spring-mybatis Maven Webapp</name>
  <!-- FIXME change it to the project's website -->
  <url>http://www.example.com</url>

  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <maven.compiler.source>1.7</maven.compiler.source>
    <maven.compiler.target>1.7</maven.compiler.target>
    <!-- jar 版本设置 -->
    <spring.version>4.2.4.RELEASE</spring.version>
  </properties>

  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>4.11</version>
      <scope>test</scope>
    </dependency>

    <!-- spring框架-->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-webmvc</artifactId>
      <version>${spring.version}</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-core</artifactId>
      <version>${spring.version}</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-orm</artifactId>
      <version>${spring.version}</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-aspects</artifactId>
      <version>${spring.version}</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-test</artifactId>
      <version>${spring.version}</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-jdbc</artifactId>
      <version>${spring.version}</version>
    </dependency>

    <!-- Spring & Mybatis -->
    <dependency>
      <groupId>org.mybatis</groupId>
      <artifactId>mybatis</artifactId>
      <version>3.3.1</version>
    </dependency>
    <dependency>
      <groupId>org.mybatis</groupId>
      <artifactId>mybatis-spring</artifactId>
      <version>1.2.4</version>
    </dependency>

    <!-- MySQL数据库驱动 -->
    <dependency>
      <groupId>mysql</groupId>
      <artifactId>mysql-connector-java</artifactId>
      <version>5.1.38</version>
    </dependency>

    <!-- 日志 -->
    <dependency>
      <groupId>log4j</groupId>
      <artifactId>log4j</artifactId>
      <version>1.2.17</version>
    </dependency>

    <dependency>
      <groupId>org.slf4j</groupId>
      <artifactId>slf4j-api</artifactId>
      <version>1.7.18</version>
    </dependency>

    <!-- 数据源 -->
    <dependency>
      <groupId>commons-dbcp</groupId>
      <artifactId>commons-dbcp</artifactId>
      <version>1.4</version>
    </dependency>

    <!-- JSP tag -->
    <dependency>
      <groupId>javax.servlet</groupId>
      <artifactId>jstl</artifactId>
      <version>1.2</version>
    </dependency>
    <dependency>
      <groupId>taglibs</groupId>
      <artifactId>standard</artifactId>
      <version>1.1.2</version>
    </dependency>
  </dependencies>

  <build>
    <!-- 覆写maven的默认设置以便源文件中的mapper文件可以被打包 -->
    <!-- 打包时的文件名 -->
    <finalName>spring-mybatis</finalName>
    <!-- 自定义的一个占位符,用project.build.directory引用 -->
    <directory>${project.basedir}/target</directory>
    <!-- 源码位置,相当于在IDE中mark as source root -->
    <sourceDirectory>${project.basedir}/src/main/java</sourceDirectory>
    <!-- 输出编译文件位置 -->
    <outputDirectory>${project.build.directory}/classes</outputDirectory>
    <!-- 配置文件位置,指定这个位置在打包时会从这里copy配置文件 -->
    <!-- 如果覆写了super pom中的某个节点,需要补全整个节点的内容
         下面配置为了能够打包源文件中的xml文件,
         必须重新添加下src/main/resources为resources路径 -->
    <resources>
      <resource>
        <filtering>false</filtering>
        <directory>${project.basedir}/src/main/java</directory>
        <excludes>
          <exclude>**/*.java</exclude>
        </excludes>
      </resource>
      <!-- 这个几点的添加是必要的 -->
      <resource>
        <directory>${project.basedir}/src/main/resources</directory>
      </resource>
    </resources>
  </build>
</project>

<?xml version="1.0" encoding="utf-8" ?>
<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_3_0.xsd"
         id="WebApp_ID" version="3.0">
    <display-name>spring-mybatis</display-name>

    <!-- 加载spring容器 -->
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <!--<param-value>WEB-INF/classes/spring/applicationContext-*.xml</param-value>-->
        <param-value>classpath:spring/applicationContext-*.xml</param-value>
    </context-param>
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>


    <!-- springmvc 前端控制器  -->
    <servlet>
        <servlet-name>springmvc</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <!-- contextConfigLocation配置springmvc加载的配置文件(配置处理器映射器、适配器等等)
          若不配置，默认加载WEB-INF/servlet名称-servlet(springmvc-servlet.xml)
        -->
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:spring/springmvc.xml</param-value>
        </init-param>
    </servlet>

    <servlet-mapping>
        <servlet-name>springmvc</servlet-name>
        <!--
        第一种:*.action,访问以.action三结尾，由DispatcherServlet进行解析
        第二种:/,所有访问的地址由DispatcherServlet进行解析，对静态文件的解析需要配置不让DispatcherServlet进行解析，
                使用此种方式和实现RESTful风格的url
        第三种:/*,这样配置不对，使用这种配置，最终要转发到一个jsp页面时，仍然会由DispatcherServlet解析jsp地址，
                不能根据jsp页面找到handler，会报错
        -->
        <!--<url-pattern>*.action</url-pattern>-->
        <url-pattern>/</url-pattern>
    </servlet-mapping>


    <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>
</web-app>

<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:mvc="http://www.springframework.org/schema/mvc"
       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-4.0.xsd
    http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd
    http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd">

    <!-- 对于注解的Handler 可以单个配置
     实际开发中加你使用组件扫描
     -->
    <!-- 可以扫描controller、service、...
    这里让扫描controller，指定controller的包
     -->
    <context:component-scan base-package="com.fmz.learn.springmybatis.controller"></context:component-scan>


    <!-- 使用mvc:annotation-driven代替上面两个注解映射器和注解适配的配置
     mvc:annotation-driven默认加载很多的参数绑定方法，
     比如json转换解析器默认加载了，如果使用mvc:annotation-driven则不用配置上面的RequestMappingHandlerMapping和RequestMappingHandlerAdapter
     实际开发时使用mvc:annotation-driven
     -->
    <mvc:annotation-driven></mvc:annotation-driven>

    <!-- 视图解析器
    解析jsp,默认使用jstl,classpath下要有jstl的包
    -->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <!-- 配置jsp路径的前缀 -->
        <property name="prefix" value="/WEB-INF/jsp/"/>
        <!-- 配置jsp路径的后缀 -->
        <property name="suffix" value=".jsp"/>
    </bean>

</beans>

<beans xmlns="http://www.springframework.org/schema/beans"
       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-4.0.xsd
    http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd">

    <!-- 加载db.properties文件中的内容，db.properties文件中key命名要有一定的特殊规则 -->
    <context:property-placeholder location="classpath:props/db.properties" />

    <!-- 配置数据源 ，dbcp -->
    <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="30" />
        <property name="maxIdle" value="5" />
    </bean>

    <!-- 从整合包里找，org.mybatis:mybatis-spring:1.2.4 -->
    <!-- sqlSessionFactory -->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <!-- 数据库连接池 -->
        <property name="dataSource" ref="dataSource" />
        <!-- 加载mybatis的全局配置文件 -->
        <property name="configLocation" value="classpath:mybatis/mybatis-conf.xml" />
        <!-- 如果mapper.xml和mapper.java在同一个目录下，不需要指定mapper的地址
         如果不在同一个目录下，需要指定在classpath的那个目录下扫描mapper.xml文件
         例如将mapper.xml放在classpath:mapper/*.xml时，需要这样指定
         注意mapper.xml文件不要和其他xml配置文件放在同一个目录下，配置的是整个扫描目录，如果有
         其他配置文件会解析异常
         -->
        <!-- <property name="mapperLocations" value="classpath:mapper/*.xml" />-->
    </bean>
    <!-- mapper扫描器 -->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <!-- 扫描包路径，如果需要扫描多个包，中间使用半角逗号隔开 -->
        <property name="basePackage" value="com.fmz.learn.springmybatis.mapper"/>
        <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory" />
        <!-- <property name="sqlSessionFactory" ref="sqlSessionFactory" />
        会导致数据源配置不管用，数据库连接不上。
        且spring 4弃用
        -->
    </bean>

</beans>

<beans xmlns="http://www.springframework.org/schema/beans"
       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-4.0.xsd">

    <!-- 商品管理的service -->
    <bean id="itemsService" class="com.fmz.learn.springmybatis.service.impl.ItemsServiceImpl"/>

</beans>

<?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:tx="http://www.springframework.org/schema/tx"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd
        http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd">


    <!-- 事务管理器
            对mybatis操作数据库事务控制，spring使用jdbc的事务控制类
        -->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <!-- 数据源
        dataSource在applicationContext-dao.xml中配置了
         -->
        <property name="dataSource" ref="dataSource"/>
    </bean>

    <!-- 通知 -->
    <tx:advice id="txAdvice" transaction-manager="transactionManager">
        <tx:attributes>
            <!-- 传播行为 -->
            <tx:method name="save*" propagation="REQUIRED"/>
            <tx:method name="delete*" propagation="REQUIRED"/>
            <tx:method name="insert*" 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:method name="select*" propagation="SUPPORTS" read-only="true"/>
        </tx:attributes>
    </tx:advice>
    <!-- aop -->
    <aop:config>
        <aop:advisor advice-ref="txAdvice" pointcut="execution(* com.iot.learnssm.firstssm.service.impl.*.*(..))"/>
    </aop:config>
</beans>

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configuration
        PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>

    <!-- 全局setting设置，根据需要添加 -->
    <!--<settings>
        <setting name="logImpl" value="LOG4J"/>
    </settings>-->

    <!-- 配置别名 -->
    <typeAliases>
        <!-- 批量扫描别名 -->
        <package name="com.fmz.learn.springmybatis.entity" />
    </typeAliases>

    <!-- 配置mapper
        由于使用spring和mybatis的整合包进行mapper扫描，这里不需要配置了。
        必须遵循：mapper.xml和mapper.java文件同名且在一个目录
        如果不在一个目录下，需要在applicationContext-dao中mapper文件扫描中
        配置mapperLocation
    -->
    <!--
    <mappers>
        ...
    </mappers>
    -->
</configuration>

jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://xx.xx.193.14:3306/mybatis?characterEncoding=utf-8
jdbc.username=root
jdbc.password=root

# 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

package com.fmz.learn.springmybatis.controller;

import com.fmz.learn.springmybatis.entity.ItemsCustom;
import com.fmz.learn.springmybatis.service.ItemsService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;

import java.util.List;

/**
 * Created by fmz on 2018/09/21.
 */

//使用@Controller来标识它是一个控制器
@Controller
//为了对url进行分类管理 ，可以在这里定义根路径，最终访问url是根路径+子路径
//比如：商品列表：/items/queryItems.action
@RequestMapping("/items")
public class ItemsController {

    @Autowired
    private ItemsService itemsService;

    //商品查询列表
    @RequestMapping("/queryItems")
    //实现 对queryItems方法和url进行映射，一个方法对应一个url
    //一般建议将url和方法写成一样
    public ModelAndView queryItems() throws Exception{
        //调用service查找数据库，查询商品列表
        List<ItemsCustom> itemsList = itemsService.findItemsList(null);

        //返回ModelAndView
        ModelAndView modelAndView = new ModelAndView();
        //相当于request的setAttribute方法,在jsp页面中通过itemsList取数据
        modelAndView.addObject("itemsList",itemsList);

        //指定视图
        //下边的路径，如果在视图解析器中配置jsp的路径前缀和后缀，修改为items/itemsList
        //modelAndView.setViewName("/WEB-INF/jsp/items/itemsList.jsp");
        //下边的路径配置就可以不在程序中指定jsp路径的前缀和后缀
        modelAndView.setViewName("items/itemsList");

        return modelAndView;
    }


}

package com.fmz.learn.springmybatis.service.impl;

import com.fmz.learn.springmybatis.entity.ItemsCustom;
import com.fmz.learn.springmybatis.entity.ItemsQueryVo;
import com.fmz.learn.springmybatis.mapper.ItemsMapperCustom;
import com.fmz.learn.springmybatis.service.ItemsService;
import org.springframework.beans.factory.annotation.Autowired;

import java.util.List;

public class ItemsServiceImpl implements ItemsService{

    @Autowired
    private ItemsMapperCustom itemsMapperCustom;

    @Override
    public List<ItemsCustom> findItemsList(ItemsQueryVo itemsQueryVo) throws Exception {
        return itemsMapperCustom.findItemsList(itemsQueryVo);
    }
}

package com.fmz.learn.springmybatis.mapper;

import com.fmz.learn.springmybatis.entity.ItemsCustom;
import com.fmz.learn.springmybatis.entity.ItemsQueryVo;

import java.util.List;

public interface ItemsMapperCustom {

    List<ItemsCustom> findItemsList(ItemsQueryVo itemsQueryVo) throws Exception;
}

<?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="com.fmz.learn.springmybatis.mapper.ItemsMapperCustom" >

    <!-- 定义商品查询的sql片段，就是商品查询条件 -->
    <sql id="query_items_where">
        <!-- 使用动态sql，通过if判断，满足条件进行sql拼接 -->
        <!-- 商品查询条件通过ItemsQueryVo包装对象 中itemsCustom属性传递 -->
        <if test="itemsCustom!=null">
            <if test="itemsCustom.name!=null and itemsCustom.name!=''">
                items.name LIKE '%${itemsCustom.name}%'
            </if>
        </if>

    </sql>

    <!-- 商品列表查询 -->
    <!-- parameterType传入包装对象(包装了查询条件)
        resultType建议使用扩展对象
     -->
    <select id="findItemsList" parameterType="com.fmz.learn.springmybatis.entity.ItemsQueryVo"
            resultType="com.fmz.learn.springmybatis.entity.ItemsCustom">
        SELECT items.* FROM items
        <where>
            <include refid="query_items_where"></include>
        </where>
    </select>

</mapper>

package com.fmz.learn.springmybatis.entity;

import java.util.Date;

public class Items {

    private Integer id;
    private String name;
    private Float price;
    private String pic;
    private Date createtime;
    private String detail;

    @Override
    public String toString() {
        return "Items{" +
                "id=" + id +
                ", name='" + name + '\'' +
                ", price=" + price +
                ", pic='" + pic + '\'' +
                ", createtime=" + createtime +
                ", detail='" + detail + '\'' +
                '}';
    }
}

package com.fmz.learn.springmybatis.entity;

public class ItemsCustom extends Items{
    //添加商品的扩展属性
}

package com.fmz.learn.springmybatis.entity;

public class ItemsQueryVo {

    private Items items;
    private ItemsCustom itemsCustom;

    public Items getItems() {
        return items;
    }

    public void setItems(Items items) {
        this.items = items;
    }

    public ItemsCustom getItemsCustom() {
        return itemsCustom;
    }

    public void setItemsCustom(ItemsCustom itemsCustom) {
        this.itemsCustom = itemsCustom;
    }

    @Override
    public String toString() {
        return "ItemsQueryVo{" +
                "items=" + items +
                ", itemsCustom=" + itemsCustom +
                '}';
    }
}

<%@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"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <title>查询商品列表</title>
</head>
<body>
<form action="${pageContext.request.contextPath }/item/queryItem.action" method="post">
    查询条件：
    <table width="100%" border=1>
        <tr>
            <td><input type="submit" value="查询"/></td>
        </tr>
    </table>
    商品列表：
    <table width="100%" border=1>
        <tr>
            <td>商品名称</td>
            <td>商品价格</td>
            <td>生产日期</td>
            <td>商品描述</td>
            <td>操作</td>
        </tr>
        <c:forEach items="${itemsList }" var="item">
            <tr>
                <td>${item.name }</td>
                <td>${item.price }</td>
                <td><fmt:formatDate value="${item.createtime}" pattern="yyyy-MM-dd HH:mm:ss"/></td>
                <td>${item.detail }</td>

                <td><a href="${pageContext.request.contextPath }/item/editItem.action?id=${item.id}">修改</a></td>

            </tr>
        </c:forEach>

    </table>
</form>
</body>

</html>