基于SSM框架之个人相册示例代码

 <dependency>      <groupId>junit</groupId>      <artifactId>junit</artifactId>      <version>4.11</version>      <scope>test</scope>    </dependency>    <!--补全项目依赖-->    <!--1.日志 java日志有:slf4j,log4j,logback,common-logging      slf4j:是规范/接口      日志实现:log4j,logback,common-logging      使用:slf4j+logback    -->    <dependency>      <groupId>org.slf4j</groupId>      <artifactId>slf4j-api</artifactId>      <version>1.7.12</version>    </dependency>    <dependency>      <groupId>ch.qos.logback</groupId>      <artifactId>logback-core</artifactId>      <version>1.1.1</version>    </dependency>    <!--实现slf4j接口并整合-->    <dependency>      <groupId>ch.qos.logback</groupId>      <artifactId>logback-classic</artifactId>      <version>1.1.1</version>    </dependency>    <!--1.数据库相关依赖-->    <dependency>      <groupId>mysql</groupId>      <artifactId>mysql-connector-java</artifactId>      <version>5.1.35</version>      <scope>runtime</scope>    </dependency>    <dependency>      <groupId>c3p0</groupId>      <artifactId>c3p0</artifactId>      <version>0.9.1.1</version>    </dependency>    <!--2.dao框架:MyBatis依赖-->    <dependency>      <groupId>org.mybatis</groupId>      <artifactId>mybatis</artifactId>      <version>3.3.0</version>    </dependency>    <!--mybatis自身实现的spring整合依赖-->    <dependency>      <groupId>org.mybatis</groupId>      <artifactId>mybatis-spring</artifactId>      <version>1.2.3</version>    </dependency>    <!--3.Servlet web相关依赖-->    <dependency>      <groupId>taglibs</groupId>      <artifactId>standard</artifactId>      <version>1.1.2</version>    </dependency>    <dependency>      <groupId>jstl</groupId>      <artifactId>jstl</artifactId>      <version>1.2</version>    </dependency>    <dependency>      <groupId>com.fasterxml.jackson.core</groupId>      <artifactId>jackson-databind</artifactId>      <version>2.5.4</version>    </dependency>    <dependency>      <groupId>javax.servlet</groupId>      <artifactId>javax.servlet-api</artifactId>      <version>3.1.0</version>    </dependency>    <!--4:spring依赖-->    <!--1)spring核心依赖-->    <dependency>      <groupId>org.springframework</groupId>      <artifactId>spring-core</artifactId>      <version>4.1.7.RELEASE</version>    </dependency>    <dependency>      <groupId>org.springframework</groupId>      <artifactId>spring-beans</artifactId>      <version>4.1.7.RELEASE</version>    </dependency>    <dependency>      <groupId>org.springframework</groupId>      <artifactId>spring-context</artifactId>      <version>4.1.7.RELEASE</version>    </dependency>    <!--2)spring dao层依赖-->    <dependency>      <groupId>org.springframework</groupId>      <artifactId>spring-jdbc</artifactId>      <version>4.1.7.RELEASE</version>    </dependency>    <dependency>      <groupId>org.springframework</groupId>      <artifactId>spring-tx</artifactId>      <version>4.1.7.RELEASE</version>    </dependency>    <!--3)springweb相关依赖-->    <dependency>      <groupId>org.springframework</groupId>      <artifactId>spring-web</artifactId>      <version>4.1.7.RELEASE</version>    </dependency>    <dependency>      <groupId>org.springframework</groupId>      <artifactId>spring-webmvc</artifactId>      <version>4.1.7.RELEASE</version>    </dependency>    <!--4)spring test相关依赖-->    <dependency>      <groupId>org.springframework</groupId>      <artifactId>spring-test</artifactId>      <version>4.1.7.RELEASE</version>    </dependency>    <!--添加redis依赖-->    <dependency>      <groupId>redis.clients</groupId>      <artifactId>jedis</artifactId>      <version>2.7.3</version>    </dependency>    <!--prostuff序列化依赖-->    <dependency>      <groupId>com.dyuproject.protostuff</groupId>      <artifactId>protostuff-core</artifactId>      <version>1.0.8</version>    </dependency>    <dependency>      <groupId>com.dyuproject.protostuff</groupId>      <artifactId>protostuff-runtime</artifactId>      <version>1.0.8</version>    </dependency>    <dependency>      <groupId>commons-fileupload</groupId>      <artifactId>commons-fileupload</artifactId>      <version>1.3.1</version>    </dependency>

<?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>  <!--配置全局属性-->  <settings>    <!--使用jdbc的getGeneratekeys获取自增主键值-->    <setting name="useGeneratedKeys" value="true"/>    <!--使用列别名替换列名　　默认值为true    select name as title(实体中的属性名是title) form table;    开启后mybatis会自动帮我们把表中name的值赋到对应实体的title属性中    -->    <setting name="useColumnLabel" value="true"/>    <!--开启驼峰命名转换Table:create_time到 Entity(createTime)-->    <setting name="mapUnderscoreToCamelCase" value="true"/>  </settings></configuration>

public interface PictureDao {  /**   * @return 返回所有图片   */  List<Picture> getAllPictures();  /**上传图片，并且将图片名，图片描述信息插入数据库   * @param picName   * @param content   * @return插入成功返回1，失败0   */  int InsertPicture(@Param("picName") String picName, @Param("content") String content);}

public interface UserDao {  /**如果查询到该用户就会返回1   * @param username,pwd   * @return数据库被修改的行数   */  User getUserByName(@Param("username") String username, @Param("pwd") String pwd);}

<?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.koali.dao.UserDao"><select id="getUserByName" resultType="com.koali.entity.User" >  SELECT * FROM USER WHERE username=#{username} AND pwd=#{pwd}</select></mapper>

<?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.koali.dao.PictureDao">  <select id="getAllPictures" resultType="com.koali.entity.Picture">    SELECT * FROM PICTURE  </select>  <insert id="InsertPicture">    INSERT INTO `picture` (`picname`,`content`) VALUES (#{picName},#{content})  </insert></mapper></mapper>

<?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:context="http://www.springframework.org/schema/context"    xsi:schemaLocation="http://www.springframework.org/schema/beans    http://www.springframework.org/schema/beans/spring-beans.xsd    http://www.springframework.org/schema/context    http://www.springframework.org/schema/context/spring-context.xsd">  <!--配置整合mybatis过程  1.配置数据库相关参数-->  <context:property-placeholder location="classpath:jdbc.properties"/>  <!--2.数据库连接池-->  <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">    <!--配置连接池属性-->    <property name="driverClass" value="${jdbc.driver}"/>    <!-- 基本属性 url、user、password -->    <property name="jdbcUrl" value="${jdbc.url}"/>    <property name="user" value="${jdbc.username}"/>    <property name="password" value="${jdbc.password}"/>    <!--c3p0私有属性-->    <property name="maxPoolSize" value="30"/>    <property name="minPoolSize" value="10"/>    <!--关闭连接后不自动commit-->    <property name="autoCommitOnClose" value="false"/>    <!--获取连接超时时间-->    <property name="checkoutTimeout" value="1000"/>    <!--当获取连接失败重试次数-->    <property name="acquireRetryAttempts" value="2"/>  </bean>  <!--约定大于配置-->  <!--３.配置SqlSessionFactory对象-->  <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">    <!--往下才是mybatis和spring真正整合的配置-->    <!--注入数据库连接池-->    <property name="dataSource" ref="dataSource"/>    <!--配置mybatis全局配置文件:mybatis-config.xml-->    <property name="configLocation" value="classpath:mybatis-config.xml"/>    <!--扫描entity包,使用别名,多个用;隔开-->    <property name="typeAliasesPackage" value="com.elric.entity"/>    <!--扫描sql配置文件:mapper需要的xml文件-->    <property name="mapperLocations" value="classpath:mapper/*.xml"/>  </bean>  <!--４:配置扫描Dao接口包,动态实现DAO接口,注入到spring容器-->  <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">    <!--注入SqlSessionFactory-->    <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>    <!-- 给出需要扫描的Dao接口-->    <property name="basePackage" value="com.koali.dao"/>  </bean></beans>

jdbc.driver=com.mysql.jdbc.Driverjdbc.url=jdbc:mysql://localhost:3306/picture?useUnicode=true&characterEncoding=utf-8jdbc.username=Elricjdbc.password=881010

public interface UserService {  /**本次中我们只需要对用户身份做出判断然后给予url   * @return 数据库查询到为1   */  User CheckUser(String username, String pwd);}

public interface PictureService {  /**查询所有照片   * @return 所有照片   */  List<Picture> getAllPicture();  /**   * 这个服务就是PictureDao中的InsertP   * @param picName   * @param content   * @return 数据库成功返回1，失败返回0   */  int InsertPicture(String picName, String content);}

@Servicepublic class PictureServiceImpl implements PictureService {  @Autowired  private PictureDao pictureDao;  public List<Picture> getAllPicture() {    return pictureDao.getAllPictures();  }  public int InsertPicture(String picName, String content) {    return pictureDao.InsertPicture(picName,content);  }}

@Servicepublic class UserServiceImpl implements com.koali.service.UserService {  @Autowired  private UserDao userDao;  public User CheckUser(String username, String pwd) {    return userDao.getUserByName(username,pwd);  }}

<?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:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.springframework.org/schema/tx"    xsi:schemaLocation="http://www.springframework.org/schema/beans    http://www.springframework.org/schema/beans/spring-beans.xsd    http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd">  <!--扫描service包下所有使用注解的类型-->  <context:component-scan base-package="com.koali.service"/>  <!--配置事务管理器-->  <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">    <!--注入数据库连接池-->    <property name="dataSource" ref="dataSource"/>  </bean>  <!--配置基于注解的声明式事务  默认使用注解来管理事务行为-->  <tx:annotation-driven transaction-manager="transactionManager"/>

  <servlet>  <servlet-name>seckill-dispatcher</servlet-name>  <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>  <init-param>    <param-name>contextConfigLocation</param-name>    <param-value>classpath:spring/spring-*.xml</param-value>  </init-param>  </servlet>  <servlet-mapping>    <servlet-name>seckill-dispatcher</servlet-name>    <!--默认匹配所有请求-->    <url-pattern>/</url-pattern>  </servlet-mapping><!--去除乱码的过滤器-->  <filter>    <filter-name>characterEncodingFilter</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>    <init-param>      <param-name>forceEncoding</param-name>      <param-value>true</param-value>    </init-param>  </filter>  <filter-mapping>    <filter-name>characterEncodingFilter</filter-name>    <url-pattern>/*</url-pattern>  </filter-mapping>

<?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:context="http://www.springframework.org/schema/context"    xmlns:mvc="http://www.springframework.org/schema/mvc"    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd">  <!--指明controller所在包，并扫描其中的注解-->  <context:component-scan base-package="com.koali.web"/>  <!--静态资源（js,image等）的访问-->  <mvc:default-servlet-handler/>  <!--开启注解-->  <mvc:annotation-driven/>  <!--ViewResolver视图解析器-->  <!--用于支持Servlet，JSP视图解析-->  <bean id="jspViewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">    <property name="viewClass" value="org.springframework.web.servlet.view.JstlView"/>    <property name="prefix" value="/WEB-INF/jsp/"/>    <property name="suffix" value=".jsp"/>  </bean>  <!--200*1024*1024即200M resolveLazily属性启用是为了推迟文件解析，以便捕获文件的异常-->  <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">    <property name="maxUploadSize" value="209715200" />    <property name="resolveLazily" value="true" />    <property name="defaultEncoding" value="UTF-8"></property>  </bean>  <mvc:resources location="/WEB-INF/jsp/css/" mapping="/css/**" />  <mvc:resources location="/WEB-INF/jsp/fonts/" mapping="/fonts/**" />  <mvc:resources location="/WEB-INF/jsp/images/" mapping="/images/**" />  <mvc:resources location="/WEB-INF/jsp/js/" mapping="/js/**"/></beans>

@Controllerpublic class MainController {  @Autowired  private PictureService pictureService;  @Autowired  private UserService userService;  @RequestMapping(value = "/")  public String index(Model model){    List<Picture> pictures =pictureService.getAllPicture();    System.out.println(pictures.size());    model.addAttribute("pictures",pictures);    return "index";  }  @RequestMapping(value = "login")  public String login(){    return "login";  }  @RequestMapping(value = "checkandRedict")  public String checkAndRedict(@Param("username") String username,@Param("pwd") String pwd){    User user = userService.CheckUser(username,pwd);    System.out.println(user);    if (user!=null){      return "upload";    }else {      return "index";    }  }  @RequestMapping(value = "upload",method = RequestMethod.POST)  public String upload(@RequestParam("file") MultipartFile file,@Param("content") String content, HttpServletRequest request,Model model) throws IOException{    //获取项目的根路径，将上传图片的路径与我们的资源路径在一起，才能显示    HttpSession session= request.getSession();    String path = session.getServletContext().getRealPath("/");    System.out.println("getRealPath('/'):"+path);    int end = path.indexOf("t",19);    String prePath = path.substring(0,end);    String realPath = prePath+"target//demo//WEB-INF//jsp//images";    System.out.println("DEBUG:"+realPath);    String picName = new Date().getTime()+".jpg";    if (!file.isEmpty()){      FileUtils.copyInputStreamToFile(file.getInputStream(),new File(realPath,new Date().getTime()+".jpg"));    }else if(content==null){      content = "";//如果输入为null数据库不允许插入    }    //图片类的名字保存为路径+名字方便后期前端提取    //将图片名字用时间戳保存，反正上传图片为中文乱码等问题    int code = pictureService.InsertPicture("images/"+picName,content);    if (code==1) {      List<Picture> pictures = pictureService.getAllPicture();      model.addAttribute("pictures", pictures);      return "index";    }else      return "index";  }}