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;
}
}