SpringMVC+Spring+MyBatis 整合与图片上传简单示例

一、思路：

(一) Dao层：

1、 SqlMapConfig.xml，空文件即可。需要文件头。
2、 applicationContext_dao.xml。

a) 数据库连接池
b) SqlSessionFactory对象，需要spring和mybatis整合包下的。
c) 配置mapper文件扫描器。

(二)Service层：

1、applicationContext_service.xml包扫描器，扫描@service注解的类。
2、applicationContext_trans.xml配置事务。

(三)Controller层：

Springmvc.xml
1、包扫描器，扫描@Controller注解的类。
2、配置注解驱动。
3、视图解析器。

(四)web.xml

1. 配置spring容量监听器
2. 配置前端控制器

二、构建项目

（一）构建maven项目，添加依赖

  1 <?xml version="1.0" encoding="UTF-8"?>
  2 
  3 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  4          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  5   <modelVersion>4.0.0</modelVersion>
  6 
  7   <groupId>com.cenobitor</groupId>
  8   <artifactId>ssm_template</artifactId>
  9   <version>1.0-SNAPSHOT</version>
 10   <packaging>war</packaging>
 11 
 12   <name>ssm_template Maven Webapp</name>
 13   <!-- FIXME change it to the project's website -->
 14   <url>http://www.example.com</url>
 15 
 16   <properties>
 17     <!--设置编译的版本使用1.8版本-->
 18     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 19     <!-- 和设置编译插件是一样的效果-->
 20     <maven.compiler.source>1.8</maven.compiler.source>
 21     <maven.compiler.target>1.8</maven.compiler.target>
 22 
 23 
 24     <junit.version>4.12</junit.version>
 25     <spring.version>4.3.10.RELEASE</spring.version>
 26     <servlet-api.version>2.5</servlet-api.version>
 27     <mybatis.version>3.2.8</mybatis.version>
 28     <mybatis.spring.version>1.2.2</mybatis.spring.version>
 29     <pagehelper.version>4.0.0</pagehelper.version>
 30     <javassist.version>3.11.0.GA</javassist.version>
 31     <mysql.version>5.1.32</mysql.version>
 32     <druid.version>1.0.9</druid.version>
 33     <commons-fileupload.version>1.3.1</commons-fileupload.version>
 34     <commons-lang3.version>3.3.2</commons-lang3.version>
 35     <commons-io.version>1.3.2</commons-io.version>
 36     <jackson.version>2.8.9</jackson.version>
 37     <jstl.version>1.2</jstl.version>
 38     <jsp-api.version>2.0</jsp-api.version>
 39     <fastjson.version>1.2.28</fastjson.version>
 40     <slf4j.version>1.6.4</slf4j.version>
 41     <lombok.version>1.16.20</lombok.version>
 42   </properties>
 43 
 44   <dependencies>
 45     <!-- Apache工具组件 -->
 46     <dependency>
 47       <groupId>org.apache.commons</groupId>
 48       <artifactId>commons-lang3</artifactId>
 49       <version>${commons-lang3.version}</version>
 50     </dependency>
 51     <dependency>
 52       <groupId>org.apache.commons</groupId>
 53       <artifactId>commons-io</artifactId>
 54       <version>${commons-io.version}</version>
 55     </dependency>
 56     <!-- Jackson Json处理工具包 -->
 57     <dependency>
 58       <groupId>com.fasterxml.jackson.core</groupId>
 59       <artifactId>jackson-databind</artifactId>
 60       <version>${jackson.version}</version>
 61     </dependency>
 62 
 63     <!--alibaba json处理工具包-->
 64     <dependency>
 65       <groupId>com.alibaba</groupId>
 66       <artifactId>fastjson</artifactId>
 67       <version>${fastjson.version}</version>
 68     </dependency>
 69     <!-- 日志处理 -->
 70     <dependency>
 71       <groupId>org.slf4j</groupId>
 72       <artifactId>slf4j-log4j12</artifactId>
 73       <version>${slf4j.version}</version>
 74     </dependency>
 75     <!--实体类get/set注解-->
 76     <dependency>
 77       <groupId>org.projectlombok</groupId>
 78       <artifactId>lombok</artifactId>
 79       <version>${lombok.version}</version>
 80       <scope>provided</scope>
 81     </dependency>
 82     <!--单元测试-->
 83     <dependency>
 84       <groupId>junit</groupId>
 85       <artifactId>junit</artifactId>
 86       <version>${junit.version}</version>
 87     </dependency>
 88 
 89     <!-- Spring -->
 90     <dependency>
 91       <groupId>org.springframework</groupId>
 92       <artifactId>spring-context</artifactId>
 93       <version>${spring.version}</version>
 94     </dependency>
 95     <dependency>
 96       <groupId>org.springframework</groupId>
 97       <artifactId>spring-beans</artifactId>
 98       <version>${spring.version}</version>
 99     </dependency>
100     <dependency>
101       <groupId>org.springframework</groupId>
102       <artifactId>spring-webmvc</artifactId>
103       <version>${spring.version}</version>
104     </dependency>
105     <dependency>
106       <groupId>org.springframework</groupId>
107       <artifactId>spring-jdbc</artifactId>
108       <version>${spring.version}</version>
109     </dependency>
110     <dependency>
111       <groupId>org.springframework</groupId>
112       <artifactId>spring-aspects</artifactId>
113       <version>${spring.version}</version>
114     </dependency>
115     <dependency>
116       <groupId>org.springframework</groupId>
117       <artifactId>spring-jms</artifactId>
118       <version>${spring.version}</version>
119     </dependency>
120     <dependency>
121       <groupId>org.springframework</groupId>
122       <artifactId>spring-context-support</artifactId>
123       <version>${spring.version}</version>
124     </dependency>
125     <dependency>
126       <groupId>org.springframework</groupId>
127       <artifactId>spring-test</artifactId>
128       <version>${spring.version}</version>
129     </dependency>
130     <!--jsp相关-->
131     <dependency>
132       <groupId>javax.servlet</groupId>
133       <artifactId>servlet-api</artifactId>
134       <version>${servlet-api.version}</version>
135       <scope>provided</scope>
136     </dependency>
137     <!-- 文件上传组件 -->
138     <dependency>
139       <groupId>commons-fileupload</groupId>
140       <artifactId>commons-fileupload</artifactId>
141       <version>${commons-fileupload.version}</version>
142     </dependency>
143     <!-- Mybatis -->
144     <dependency>
145       <groupId>org.mybatis</groupId>
146       <artifactId>mybatis</artifactId>
147       <version>${mybatis.version}</version>
148     </dependency>
149     <dependency>
150       <groupId>org.mybatis</groupId>
151       <artifactId>mybatis-spring</artifactId>
152       <version>${mybatis.spring.version}</version>
153     </dependency>
154     <!--MyBatis分页插件-->
155     <dependency>
156       <groupId>com.github.pagehelper</groupId>
157       <artifactId>pagehelper</artifactId>
158       <version>${pagehelper.version}</version>
159     </dependency>
160     <!-- MySql -->
161     <dependency>
162       <groupId>mysql</groupId>
163       <artifactId>mysql-connector-java</artifactId>
164       <version>${mysql.version}</version>
165     </dependency>
166     <!-- 连接池 -->
167     <dependency>
168       <groupId>com.alibaba</groupId>
169       <artifactId>druid</artifactId>
170       <version>${druid.version}</version>
171     </dependency>
172 
173   </dependencies>
174 
175   <build>
176     <finalName>ssm_template</finalName>
177     <!--设置mapper.xml配置与mapper类处于同个包下,否则编译时候无法生成到同一目录下,会报BindingException-->
178     <resources>
179       <resource>
180         <directory>src/main/java</directory>
181         <includes>
182           <include>**/*.xml</include>
183         </includes>
184       </resource>
185       <resource>
186         <directory>src/main/resources</directory>
187       </resource>
188     </resources>
189 
190     <plugins>
191       <!-- 配置Tomcat7插件 -->
192       <plugin>
193         <groupId>org.apache.tomcat.maven</groupId>
194         <artifactId>tomcat7-maven-plugin</artifactId>
195         <version>2.2</version>
196         <configuration>
197           <uriEncoding>UTF-8</uriEncoding>
198         </configuration>
199       </plugin>
200       <!-- 配置打包时跳过测试  -->
201       <plugin>
202         <groupId>org.apache.maven.plugins</groupId>
203         <artifactId>maven-surefire-plugin</artifactId>
204         <version>2.12.4</version>
205       </plugin>
206     </plugins>
207   </build>
208 
209 </project>

（二）applicationContext.xml的配置

1、applicationContext_dao.xml（数据库）的配置

 1 <?xml version="1.0" encoding="UTF-8"?>
 2 <beans xmlns="http://www.springframework.org/schema/beans"
 3        xmlns:context="http://www.springframework.org/schema/context"
 4        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 5        xsi:schemaLocation="http://www.springframework.org/schema/beans
 6             http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
 7             http://www.springframework.org/schema/context
 8             http://www.springframework.org/schema/context/spring-context-4.0.xsd">
 9 
10 
11     <!-- dao层 数据库连接部分-->
12     <!-- 加载配置文件 -->
13     <context:property-placeholder location="classpath:properties/db.properties" />
14 
15     <!-- 数据库连接池 -->
16     <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" destroy-method="close">
17         <property name="driverClassName" value="${jdbc.driver}" />
18         <property name="url" value="${jdbc.url}" />
19         <property name="username" value="${jdbc.username}" />
20         <property name="password" value="${jdbc.password}"/>
21         <!-- 连接池的最大数据库连接数 -->
22         <property name="maxActive" value="10" />
23         <!-- 最大空闲数 -->
24         <property name="maxIdle" value="5" />
25     </bean>
26     <!-- 配置SqlSessionFactory单例 -->
27     <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
28         <!-- 配置数据源 -->
29         <property name="dataSource" ref="dataSource" />
30         <!-- 加载mybatis核心配置文件 -->
31         <property name="configLocation" value="classpath:mybatis/SqlMapConfig.xml" />
32         <!--别名包扫描-->
33         <property name="typeAliasesPackage" value="com.cenobitor.pojo"/>
34 
35     </bean>
36     <!-- 动态代理dao配置，包扫描(推荐方式)-->
37     <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
38         <!-- 支持多包配置，多包时用,或者;分隔 -->
39         <property name="basePackage" value="com.cenobitor.mapper" />
40     </bean>
41 </beans>

1 jdbc.driver=com.mysql.jdbc.Driver
2 jdbc.url=jdbc:mysql://localhost:3306/ssm?characterEncoding=utf-8
3 jdbc.username=root
4 jdbc.password=

2、applicationContext_service.xml（service扫描）的配置

 1 <?xml version="1.0" encoding="UTF-8"?>
 2 <beans xmlns="http://www.springframework.org/schema/beans"
 3        xmlns:context="http://www.springframework.org/schema/context"
 4        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 5        xsi:schemaLocation="http://www.springframework.org/schema/beans
 6             http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
 7             http://www.springframework.org/schema/context
 8             http://www.springframework.org/schema/context/spring-context-4.0.xsd">
 9 
10     <!-- 配置service扫描 -->
11     <context:component-scan base-package="com.cenobitor.service"/>
12 
13 </beans>

3、applicationContext_trans.xml（事务）的配置

 1 <?xml version="1.0" encoding="UTF-8"?>
 2 <beans xmlns="http://www.springframework.org/schema/beans"
 3        xmlns:aop="http://www.springframework.org/schema/aop"
 4        xmlns:tx="http://www.springframework.org/schema/tx"
 5        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 6        xsi:schemaLocation="http://www.springframework.org/schema/beans
 7             http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
 8             http://www.springframework.org/schema/aop
 9             http://www.springframework.org/schema/aop/spring-aop-4.0.xsd
10             http://www.springframework.org/schema/tx
11             http://www.springframework.org/schema/tx/spring-tx-4.0.xsd">
12 
13     <!-- 事务管理器 -->
14     <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
15         <!--数据源-->
16         <property name="dataSource" ref="dataSource"/>
17     </bean>
18     <!-- 通知 -->
19     <tx:advice id="txAdvice" transaction-manager="transactionManager">
20         <tx:attributes>
21             <tx:method name="save*" propagation="REQUIRED"/>
22             <tx:method name="insert*" propagation="REQUIRED"/>
23             <tx:method name="delete*" propagation="REQUIRED"/>
24             <tx:method name="update*" propagation="REQUIRED"/>
25             <tx:method name="find*" propagation="SUPPORTS" read-only="true"/>
26             <tx:method name="get*" propagation="SUPPORTS" read-only="true"/>
27             <tx:method name="query*" propagation="SUPPORTS" read-only="true"/>
28         </tx:attributes>
29     </tx:advice>
30 
31     <!-- 切面 -->
32     <aop:config>
33         <aop:advisor advice-ref="txAdvice" pointcut="execution(* com.cenobitor.service.*.*(..))"/>
34     </aop:config>
35 </beans>

（三）web.xml 的配置

 1 <?xml version="1.0" encoding="UTF-8"?>
 2 <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 3          xmlns="http://java.sun.com/xml/ns/javaee"
 4          xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
 5             http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
 6          id="WebApp_ID" version="2.5">
 7     <welcome-file-list>
 8         <welcome-file>index.jsp</welcome-file>
 9     </welcome-file-list>
10 
11     <!-- spring配置文件路径 -->
12     <context-param>
13         <param-name>contextConfigLocation</param-name>
14         <param-value>classpath:/spring/applicationContext_*.xml</param-value>
15     </context-param>
16 
17     <!-- 解决post乱码问题 -->
18     <filter>
19         <filter-name>encoding</filter-name>
20         <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
21         <!-- 设置编码参是UTF8 -->
22         <init-param>
23             <param-name>encoding</param-name>
24             <param-value>UTF-8</param-value>
25         </init-param>
26     </filter>
27     <filter-mapping>
28         <filter-name>encoding</filter-name>
29         <url-pattern>/*</url-pattern>
30     </filter-mapping>
31 
32     <listener>
33         <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
34     </listener>
35 
36     <!-- 配置SpringMvc 前端控制器 -->
37     <servlet>
38         <servlet-name>springmvc</servlet-name>
39         <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
40         <!--指定SpringMvc 配置文件-->
41         <!-- springmvc的配置文件默认路径是 /WEB-INF/${servlet-name}_servlet.xml -->
42         <init-param>
43             <param-name>contextConfigLocation</param-name>
44             <param-value>classpath:spring/springmvc.xml</param-value>
45         </init-param>
46     </servlet>
47     <servlet-mapping>
48         <servlet-name>springmvc</servlet-name>
49         <url-pattern>*.action</url-pattern>
50     </servlet-mapping>
51 
52 </web-app>

（四）MyBatis的配置文件，实体类和对应的映射文件由通用Mapper生成，在此采用手动创建方式（详细见下文件图片上传案例）

此处建文件,配置mybatis分页插件即可：

 1 <?xml version="1.0" encoding="UTF-8" ?>
 2 <!DOCTYPE configuration
 3         PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
 4         "http://mybatis.org/dtd/mybatis-3-config.dtd">
 5 <configuration>
 6     <plugins>
 7         <!-- com.github.pagehelper为PageHelper类所在包名 -->
 8         <plugin interceptor="com.github.pagehelper.PageHelper">
 9             <!-- 设置数据库类型 Oracle,Mysql,MariaDB,SQLite,Hsqldb,PostgreSQL六种数据库-->
10             <property name="dialect" value="mysql"/>
11         </plugin>
12     </plugins>
13 
14 </configuration>

（五）springMVC的配置

 1 <?xml version="1.0" encoding="UTF-8"?>
 2 <beans xmlns="http://www.springframework.org/schema/beans"
 3        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 4        xmlns:context="http://www.springframework.org/schema/context"
 5        xmlns:mvc="http://www.springframework.org/schema/mvc"
 6        xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
 7               http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd
 8               http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd">
 9 
10     <!--配置controller扫描-->
11     <context:component-scan base-package="com.cenobitor.controller"/>
12 
13     <!-- 注解驱动 -->
14     <mvc:annotation-driven/>
15 
16     <!--&lt;!&ndash;自定义转换器配置模板&ndash;&gt;
17     &lt;!&ndash;使用自定义转换器&ndash;&gt;
18     <mvc:annotation-driven conversion-service="myConverter" />
19 
20     &lt;!&ndash; 定义转换器 &ndash;&gt;
21     <bean id="myConverter" class="org.springframework.format.support.FormattingConversionServiceFactoryBean">
22         <property name="converters">
23             <set>
24                 &lt;!&ndash; 日期转换器 &ndash;&gt;
25                 <bean class="com.cenobitor.converter.DateConverter" />
26             </set>
27         </property>
28     </bean>-->
29 
30     <!-- 配置多媒体解析器，用于上传等的配置，如果是纯文本则无需配置 -->
31     <!-- 注意：这里的id只能是multipartResolver -->
32     <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
33         <!-- 限定文件最大上传大小为：8MB -->
34         <property name="maxUploadSize" value="8388608" />
35     </bean>
36 
37     <!--可减少简写路径名-->
38     <!--<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
39         &lt;!&ndash; 配置逻辑视图的前缀 &ndash;&gt;
40         <property name="prefix" value="/WEB-INF/views/"/>
41         <property name="suffix" value=".jsp"/>
42     </bean>-->
43 </beans>

（六）log4j配置文件，位于resources包下：

 1 log4j.rootLogger=DEBUG, Console
 2 #Console
 3 log4j.appender.Console=org.apache.log4j.ConsoleAppender
 4 log4j.appender.Console.layout=org.apache.log4j.PatternLayout
 5 log4j.appender.Console.layout.ConversionPattern=%d [%t] %-5p [%c] - %m%n
 6 log4j.logger.java.sql.ResultSet=INFO
 7 log4j.logger.org.apache=INFO
 8 log4j.logger.java.sql.Connection=DEBUG
 9 log4j.logger.java.sql.Statement=DEBUG
10 log4j.logger.java.sql.PreparedStatement=DEBUG

三、图片上传预览

1、创建表以及pojo

1 CREATE TABLE `pic` (
2   `id` int(11) NOT NULL AUTO_INCREMENT,
3   `name` varchar(255) DEFAULT NULL,
4   `url` varchar(255) DEFAULT NULL,
5   PRIMARY KEY (`id`)
6 ) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=utf8

 1 package com.cenobitor.pojo;
 2 
 3 import lombok.Data;
 4 
 5 /**
 6  * @Description:
 7  * @Date: Created in 11:05 AM 2018/5/1
 8  * @Author: Cenobitor
 9  * @Modified By:
10  */
11 @Data
12 public class Pic {
13 
14     private Integer id;
15     private String name;
16     private String url;
17 
18     public Pic(String name, String url) {
19         this.name = name;
20         this.url = url;
21     }
22 
23     public Pic() {
24     }
25 }

2、设置文件存储的虚拟路径

2、创建上传页面

 1 <!DOCTYPE html>
 2 <html lang="en">
 3 <head>
 4     <meta charset="UTF-8">
 5     <title>上传图片</title>
 6 </head>
 7 <body>
 8     <form id="upload" action="/uploadpic.action" method="post" enctype="multipart/form-data">
 9         <input type="file"  name="picFile"/>
10         <br/>
11         <input type="submit" value="提交"/>
12     </form>
13 </body>
14 </html>

3、创建Controller类

 1 package com.cenobitor.controller;
 2 
 3 import com.cenobitor.service.UploadFileService;
 4 import org.springframework.beans.factory.annotation.Autowired;
 5 import org.springframework.stereotype.Controller;
 6 import org.springframework.web.bind.annotation.*;
 7 import org.springframework.web.multipart.MultipartFile;
 8 
 9 @Controller
10 public class UploadFileController {
11 
12     @Autowired
13     private UploadFileService uploadFileService;
14 
15     //图片上传用MultipartFile接收文件,其中参数名要表单中的文件名一致
16     @RequestMapping("/uploadpic")
17     public String uploadPic(MultipartFile picFile) throws Exception {
18         String picUrl = uploadFileService.UploadPic(picFile);
19         if (picUrl == null){
20             return "redirect:error.html";
21         }
22         //重定向预览图片
23         return "redirect:"+picUrl;
24     }
25 }

4、创建service层

1 public interface UploadFileService {
2     public String UploadPic(MultipartFile picFile);
3 }

 1 package com.cenobitor.service.impl;
 2 
 3 import com.cenobitor.mapper.PicMapper;
 4 import com.cenobitor.pojo.Pic;
 5 import com.cenobitor.service.UploadFileService;
 6 import org.springframework.beans.factory.annotation.Autowired;
 7 import org.springframework.stereotype.Service;
 8 import org.springframework.transaction.annotation.Transactional;
 9 import org.springframework.web.multipart.MultipartFile;
10 import java.io.File;
11 import java.io.IOException;
12 import java.util.UUID;
13 
14 @Service
15 @Transactional
16 public class UploadFileServiceImpl implements UploadFileService {
17 
18     @Autowired
19     private PicMapper picMapper;
20 
21     @Override
22     public String UploadPic(MultipartFile picFile) {
23         try {
24             // 图片新名字
25             String name = UUID.randomUUID().toString();
26             // 图片原名字
27             String oldName = picFile.getOriginalFilename();
28             // 后缀名
29             String exeName = oldName.substring(oldName.lastIndexOf("."));
30             //保存图片路径为绝对路径
31             File pic = new File("/Users/Shared/jpg/" + name + exeName);
32             // 保存图片到本地磁盘
33             picFile.transferTo(pic);
34 
35             //保存数据到数据库中
36             picMapper.add(new Pic(name,"../jpg/"+name+exeName));
37             return "/jpg/"+name+exeName;
38 
39         } catch (IOException e) {
40             e.printStackTrace();
41             return null;
42         }
43     }
44 }

5、创建dao层（mapper层）

1 package com.cenobitor.mapper;
2 
3 import com.cenobitor.pojo.Pic;
4 
5 public interface PicMapper {
6     //添加图片
7     int add(Pic pic);
8 
9 }

 1 <?xml version="1.0" encoding="UTF-8" ?>
 2 <!DOCTYPE mapper
 3         PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
 4         "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
 5 <!--namespace为对应的mapper类的全路径名-->
 6 <mapper namespace="com.cenobitor.mapper.PicMapper">
 7 
 8     <!-- 添加 -->
 9     <!-- id为对应的方法名, parameterType为入参的全路径名-->
10     <insert id="add" parameterType = "com.cenobitor.pojo.Pic">
11         insert into
12         pic(name,url)
13         values
14         (#{name},#{url});
15     </insert>
16 
17 </mapper>

6、项目的目录结构

7、效果

SpringMVC+Spring+MyBatis 整合与图片上传简单示例

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