上一篇我们用servlet+jsp实现了web版的资源管理器,今天我们使用SSM框架实现原来的功能。效果以及功能是一样的,主要就是为了练习使用框架。下面是文件的目录结构(使用idea构建)
github地址:https://github.com/yixiao1874/webdoc.git
首先是框架的搭建:使用maven仓库引入依赖:
<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/maven-v4_0_0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com.webdoc</groupId> <artifactId>webdoc</artifactId> <packaging>war</packaging> <version>1.0-SNAPSHOT</version> <name>webdoc Maven Webapp</name> <url>http://maven.apache.org</url> <dependencies> <!--servlet--> <dependency> <groupId>javax.servlet</groupId> <artifactId>javax.servlet-api</artifactId> <version>3.1.0</version> </dependency> <dependency> <groupId>javax.el</groupId> <artifactId>javax.el-api</artifactId> <version>2.2.4</version> </dependency> <dependency> <groupId>jstl</groupId> <artifactId>jstl</artifactId> <version>1.2</version> </dependency> <!-- Java utility类 --> <dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-lang3</artifactId> <version>3.3.2</version> </dependency> <!--Junit 测试--> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>3.8.1</version> <scope>test</scope> </dependency> <!--spring测试--> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-test</artifactId> <version>4.3.10.RELEASE</version> </dependency> <!--spring面向切面--> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-aop</artifactId> <version>4.3.10.RELEASE</version> </dependency> <!--spring web--> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-web</artifactId> <version>4.3.10.RELEASE</version> </dependency> <!--spring MVC--> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>4.3.10.RELEASE</version> </dependency> <!-- spring事物 --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-tx</artifactId> <version>4.3.10.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context-support</artifactId> <version>4.3.8.RELEASE</version> </dependency> <!--c3p0连接池--> <dependency> <groupId>c3p0</groupId> <artifactId>c3p0</artifactId> <version>0.9.1.2</version> </dependency> <!--mybatis配置文件--> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>3.4.2</version> </dependency> <!--spring mybatis 整合文件--> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> <version>1.3.1</version> </dependency> <!--mysql 驱动--> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.39</version> </dependency> <!-- tomcat 连接池 --> <dependency> <groupId>org.apache.tomcat</groupId> <artifactId>tomcat-jdbc</artifactId> <version>7.0.42</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-tx</artifactId> <version>4.3.10.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-orm</artifactId> <version>4.3.7.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-aspects</artifactId> <version>4.3.7.RELEASE</version> </dependency> <dependency> <groupId>org.aspectj</groupId> <artifactId>aspectjweaver</artifactId> <version>1.8.10</version> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>org.eclipse.jetty</groupId> <artifactId>jetty-maven-plugin</artifactId> <version>9.2.6.v20141205</version> </plugin> <plugin> <artifactId>maven-war-plugin</artifactId> <version>2.6</version> <configuration> <attachClasses>true</attachClasses> </configuration> </plugin> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-release-plugin</artifactId> <version>2.5</version> <configuration> <autoVersionSubmodules>true</autoVersionSubmodules> <useReleaseProfile>false</useReleaseProfile> <releaseProfiles>release</releaseProfiles> <goals>deploy</goals> <!-- Keep the tags simple in this project with just the version name --> <tagNameFormat>@{project.version}</tagNameFormat> </configuration> </plugin> </plugins> <finalName>webdoc</finalName> </build> </project>
然后是web.xml也是程序的入口点:
<?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"> <!-- 启动spring的容器 --> <context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:applicationContext.xml</param-value><!-- 项目启动时加载文件 --> </context-param> <!-- 自动装配ApplicationContext的配置信息,实现了ServletContextListener这个接口 --> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <!-- 配置springmvc前端控制器 拦截所有请求 --> <servlet> <servlet-name>dispatcherServlet</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <!--用于标明spring-mvc.xml配置的位置,我是存放在config文件夹下--> <init-param> <param-name>contextConfigLocation</param-name> <param-value>classpath*:dispatcherServlet-servlet.xml</param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>dispatcherServlet</servlet-name> <url-pattern>/</url-pattern> </servlet-mapping> <!-- 配置spring字符编码过滤器 一定放在所有过滤器之前--> <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>forceRequestEncoding</param-name> <param-value>true</param-value> </init-param> <init-param> <param-name>forceResponseEncoding</param-name> <param-value>true</param-value> </init-param> </filter> <filter-mapping> <filter-name>CharacterEncodingFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <!-- Rest风格的URL 将页面普通的post请求转为指定的delete或put--> <filter> <filter-name>HiddenHttpMethodFilter</filter-name> <filter-class>org.springframework.web.filter.HiddenHttpMethodFilter</filter-class> </filter> <filter-mapping> <filter-name>HiddenHttpMethodFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <!-- 处理请求为PUT形式的url --> <filter> <filter-name>HttpPutFormContentFilter</filter-name> <filter-class>org.springframework.web.filter.HttpPutFormContentFilter</filter-class> </filter> <filter-mapping> <filter-name>HttpPutFormContentFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> </web-app>
applicationContext.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:context="http://www.springframework.org/schema/context" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:p="http://www.springframework.org/schema/p" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.3.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.3.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.3.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd" > <!-- spring 的配置文件,这里主要配置和业务逻辑有关 --> <!-- 数据源 ,事务控制 --> <context:component-scan base-package="web.ssm"> <!-- 不扫描controller,其他都扫描--> <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/> </context:component-scan> <!--引入jdbc配置 --> <context:property-placeholder location="classpath:jdbc.properties"/> <!--配置数据源--> <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"> <property name="driverClass" value="${jdbc_driverClassName}"/> <property name="jdbcUrl" value="${jdbc_url}"/> <property name="user" value="${jdbc_username}"/> <property name="password" value="${jdbc_password}"/> <!--连接池中保存的最大连接数目--> <property name="maxPoolSize" value="20"/> <!--连接池中保存的最少连接数目--> <property name="minPoolSize" value="2"/> <!-- 初始化连接大小 --> <property name="initialPoolSize" value="2"/> <!-- 获取连接最大等待时间 --> <property name="maxConnectionAge" value="6000"/> <!-- 连接池最大空闲 --> <property name="maxIdleTime" value="60"/> </bean> <!-- 整合配置 start --> <!-- 配置和MyBatis的整合,创建sqlSessionFactory --> <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> <!--注入数据源--> <property name="dataSource" ref="dataSource"/> <!-- 指定mybatis全局配置文件的位置 --> <property name="configLocation" value="classpath:mybatis-config.xml"></property> <!--用于配置mapper映射xml--> <!--<property name="mapperLocations" value="classpath:mapper/*.xml"/>--> </bean> <!-- 配置扫描器,将mybatis接口的实现加入到ioc容器中--> <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"> <!-- 扫描所有dao接口的实现,加入到ioc容器中 --> <property name="basePackage" value="web.ssm.dao"/> </bean> <!-- 整合配置 end --> <!-- 配置一个可以执行批量的sqlSession --> <bean id="sqlSession" class="org.mybatis.spring.SqlSessionTemplate"> <constructor-arg name="sqlSessionFactory" ref="sqlSessionFactory"></constructor-arg> <!-- 执行类型批量 --> <constructor-arg name="executorType" value="BATCH"></constructor-arg> </bean> <!-- 对数据源进行事务管理 --> <!--spring-orm--> <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <!-- 控制数据源 --> <property name="dataSource" ref="dataSource"/> </bean> <!-- 开启基于注解的事务,使用xml形式配置的事务(必要主要的都使用配置事务) --> <aop:config> <aop:pointcut expression="execution(* web.ssm.service.*.*(..))" id="txPoint"/> <!-- 配置事务增强 --> <aop:advisor advice-ref="txAdvice" pointcut-ref="txPoint"/> </aop:config> <!-- 配置事务增强 --> <!-- transaction-manager="transactionManager" 为默认值,如果事务名字不同需修改 --> <tx:advice id="txAdvice" transaction-manager="transactionManager"> <tx:attributes> <!-- 所有方法都是事务方法 --> <tx:method name="*"/> <!-- 以get开始的所有方法 --> <tx:method name="get*" read-only="true"/> </tx:attributes> </tx:advice> </beans>
dispatcherServlet-servlet.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:mvc="http://www.springframework.org/schema/mvc" xmlns:context="http://www.springframework.org/schema/context" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:task="http://www.springframework.org/schema/task" xsi:schemaLocation=" http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd http://www.springframework.org/schema/task http://www.springframework.org/schema/task/spring-task-4.3.xsd "> <!-- springmvc 的配置文件,包括网站跳转逻辑的控制 --> <context:component-scan base-package="web.ssm.controller" use-default-filters="false"> <!-- 默认所描所有,配置只扫描控制器 --> <context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/> </context:component-scan> <!-- 配置视图解析器 方便页面返回信息 --> <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <property name="prefix" value="/views/"></property><!-- 前缀 --> <property name="suffix" value=".jsp"></property><!-- 后缀 --> </bean> <mvc:interceptors> <mvc:interceptor> <mvc:mapping path="/**"/> <mvc:exclude-mapping path="/css/*"/> <mvc:exclude-mapping path="/highcharts4/*"/> <mvc:exclude-mapping path="/images/*"/> <mvc:exclude-mapping path="/jquery-easyui-1.3.3/*"/> <mvc:exclude-mapping path="/js/*"/> <mvc:exclude-mapping path="/index"/> <mvc:exclude-mapping path="/user/loginpage"/> <bean class="web.ssm.controller.LoginInterceptor" /> </mvc:interceptor> </mvc:interceptors> <!-- 两个标准配置 --> <!-- 将springMVC不能处理的请求交给tomcat --> <mvc:default-servlet-handler/> <!-- 能支持springMVC更高级的一些功能,JSR303校验,快捷的ajax..映射动态请求 --> <mvc:annotation-driven /> </beans>
mybatis-config.xml
<?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> <settings> <!-- 开启驼峰命名 --> <setting name="mapUnderscoreToCamelCase" value="true"/> </settings> <!-- 类型别名 --> <typeAliases> <package name="web.ssm.vo"/> </typeAliases> <!-- 分页插件 --> <!--<plugins>--> <!--<plugin interceptor="com.github.pagehelper.PageInterceptor">--> <!--<!– 分页合理化 –>--> <!--<property name="reasonable" value="true"/>--> <!--</plugin>--> <!--</plugins>--> </configuration>
jdbc.properties
jdbc_username=root jdbc_password=root jdbc_url=jdbc:mysql://127.0.0.1:3306/crm?useUnicode=true&characterEncoding=utf8&useSSL=false jdbc_driverClassName=com.mysql.jdbc.Driver
FileController
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package web.ssm.controller; 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 web.ssm.service.FileService; import javax.servlet.http.HttpServletResponse; import java.util.Map; /** * Created by 14999 on 2017/11/5. */ @Controller @RequestMapping("file") public class FileController { @Autowired private FileService fileService; @RequestMapping("list") public String listFile(String act, Model model, HttpServletResponse response){ Map<String,String> fileList = fileService.queryFile(act,response); model.addAttribute("fileList",fileList); return "right"; } }
FileService
package web.ssm.service; import org.springframework.stereotype.Service; import javax.servlet.http.HttpServletResponse; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.io.OutputStream; import java.net.URLEncoder; import java.util.HashMap; import java.util.Map; /** * Created by 14999 on 2017/11/5. */ @Service public class FileService { public Map<String,String> queryFile(String act, HttpServletResponse resp) { Map<String,String> map = new HashMap<String,String>(); File file = new File(act); if(file.isDirectory()){ File[] files = file.listFiles(); for(int i = 0; i<files.length; i++){ String str = files[i].toString(); String key = str.substring(str.lastIndexOf("\\")+1); map.put(key,str.replace("\\","/")); } //日志记录 }else{ FileInputStream in = null; OutputStream out = null; try { resp.setHeader("content-disposition", "attachment;filename=" + URLEncoder.encode(act, "UTF-8")); in = new FileInputStream(file); out = resp.getOutputStream(); }catch (Exception e){ e.printStackTrace(); } byte[] buffer = new byte[1024]; int len = 0; try { while((len=in.read(buffer))>0){ out.write(buffer,0,len); } in.close(); out.close(); } catch (IOException e) { e.printStackTrace(); } } return map; } }