主要介紹一下最近Web開發中用到的一些jar包，主要包括Spring以及Apache開源的工具包。因為專案是使用maven管理的，所以在這裡直接採用了maven dependency的方式介紹jar包。

        <!--Java語言的單元測試框架 -->
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version
 
>
        </dependency>
        <!-- Servlet 規範包，必需 -->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <version>3.1.0</version>
        </dependency>
        <!-- JSP標籤庫 -->
 

        <dependency>
            <groupId>javax.servlet.jsp.jstl</groupId>
            <artifactId>javax.servlet.jsp.jstl-api</artifactId>
            <version>1.2.1</version>
        </dependency>
        <!--tag自定義JSP標籤庫-->
        <dependency>
 

            <groupId>taglibs</groupId>
            <artifactId>standard</artifactId>
            <version>1.1.2</version>
        </dependency>
        <!--java訪問mysql資料庫的包-->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.5</version>
        </dependency>
        <!--Spring AOP特性所需-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aop</artifactId>
            <version>4.3.7.RELEASE</version>
        </dependency>
        <!--提供對AspectJ的支援,面向切面程式設計-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aspects</artifactId>
            <version>4.3.7.RELEASE</version>
        </dependency>
        <!--包含訪問配置檔案、建立和管理bean 以及進行Inversion of Control / Dependency Injection（IoC/DI）操作相關的所有類-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-beans</artifactId>
            <version>4.3.7.RELEASE</version>
        </dependency>
        <!--Spring提供在基礎IoC功能上的擴充套件服務，此外還提供許多企業級服務的支援，
        如郵件服務、任務排程、JNDI定位、EJB整合、遠端訪問、快取以及各種檢視層框架的封裝等-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>4.3.7.RELEASE</version>
        </dependency>
        <!--Spring-context的擴充套件支援,提供支援整合常見的第三方庫，特別是快取和排程-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context-support</artifactId>
            <version>4.3.7.RELEASE</version>
        </dependency>
        <!--Spring 框架核心工具包-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>4.3.7.RELEASE</version>
        </dependency>
        <!--Spring表示式語言-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-expression</artifactId>
            <version>4.3.7.RELEASE</version>
        </dependency>
        <!--Spring對伺服器的代理介面-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-instrument</artifactId>
            <version>4.3.7.RELEASE</version>
        </dependency>
        <!--Spring對Tomcat的連線池的整合-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-instrument-tomcat</artifactId>
            <version>4.3.7.RELEASE</version>
        </dependency>
        <!--對JDBC的簡單封裝-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>4.3.7.RELEASE</version>
        </dependency>
        <!--為簡化JMS API的使用而作的簡單封裝-->
        <!--JMS即Java訊息服務（Java Message Service）應用程式介面，
        是一個Java平臺中關於面向訊息中介軟體（MOM）的API，用於在兩個應用程式之間，或分散式系統中傳送訊息，進行非同步通訊。-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jms</artifactId>
            <version>4.3.7.RELEASE</version>
        </dependency>
        <!--整合messaging api和訊息協議提供支援-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-messaging</artifactId>
            <version>4.3.7.RELEASE</version>
        </dependency>
        <!--Spring對DAO特性集進行了擴充套件，使其支援iBATIS、JDO、OJB、TopLink-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-orm</artifactId>
            <version>4.3.7.RELEASE</version>
        </dependency>
        <!--Spring 對Object/XMl的對映支援,可以讓Java與XML之間來回切換-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-oxm</artifactId>
            <version>4.3.7.RELEASE</version>
        </dependency>
        <!--對Junit等測試框架的簡單封裝-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>4.3.7.RELEASE</version>
        </dependency>
        <!--為JDBC、Hibernate、JDO、JPA等提供的一致的宣告式和程式設計式事務管理-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-tx</artifactId>
            <version>4.3.7.RELEASE</version>
        </dependency>
        <!--Web應用開發時，用到Spring框架時所需的核心類,
        包括自動載入WebApplicationContext特性的類、Struts與JSF整合類、檔案上傳的支援類、Filter類和大量工具輔助類-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>4.3.7.RELEASE</version>
        </dependency>
        <!--包含SpringMVC框架相關的所有類。包含國際化、標籤、Theme、檢視展現的FreeMarker、JasperReports-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>4.3.7.RELEASE</version>
        </dependency>
        <!--Spring自己實現的一個類似Spring MVC的框架。包括一個MVC框架和控制器-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc-portlet</artifactId>
            <version>4.3.7.RELEASE</version>
        </dependency>
        <!--Spring支援WebSocket-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-websocket</artifactId>
            <version>4.3.7.RELEASE</version>
        </dependency>
        <!--Spring支援Mongodb-->
        <dependency>
            <groupId>org.springframework.data</groupId>
            <artifactId>spring-data-mongodb</artifactId>
            <version>1.10.1.RELEASE</version>
        </dependency>
        <!--mybatis的包-->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>3.2.8</version>
        </dependency>
        <!--Spring整合mybatis-->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
            <version>1.2.2</version>
        </dependency>
        <!--JDBC連線池-->
        <dependency>
            <groupId>c3p0</groupId>
            <artifactId>c3p0</artifactId>
            <version>0.9.1.2</version>
        </dependency>
        <!--Apache開源日誌框架-->
        <dependency>
            <groupId>org.apache.logging.log4j</groupId>
            <artifactId>log4j-api</artifactId>
            <version>2.2</version>
        </dependency>
        <dependency>
            <groupId>org.apache.logging.log4j</groupId>
            <artifactId>log4j-core</artifactId>
            <version>2.2</version>
        </dependency>
        <!--quartz開源任務排程框架 -->
        <dependency>
            <groupId>org.quartz-scheduler</groupId>
            <artifactId>quartz</artifactId>
            <version>2.2.1</version>
        </dependency>
        <dependency>
            <groupId>org.quartz-scheduler</groupId>
            <artifactId>quartz-jobs</artifactId>
            <version>2.2.1</version>
        </dependency>
        <!-- Java 類庫，對JavaBeans,XML,JSON等資料進行轉換-->
        <dependency>
            <groupId>net.sf.json-lib</groupId>
            <artifactId>json-lib</artifactId>
            <version>2.4</version>
            <classifier>jdk15</classifier>
            <exclusions>
                <exclusion>
                    <groupId>commons-logging</groupId>
                    <artifactId>commons-logging</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
        <!-- Apache的開源專案,提供StringUtils，DateUtils/CalendarUtils等工具類-->
        <dependency>
            <groupId>org.apache.commons</groupId>
            <artifactId>commons-lang3</artifactId>
            <version>3.4</version>
        </dependency>
        <!--Google開發的Java API，用於轉換Java物件和Json物件-->
        <dependency>
            <groupId>com.google.code.gson</groupId>
            <artifactId>gson</artifactId>
            <version>2.8.0</version>
        </dependency>
        <!--檔案上傳-->
        <dependency>
            <groupId>commons-fileupload</groupId>
            <artifactId>commons-fileupload</artifactId>
            <version>1.2.1</version>
        </dependency>
        <!--針對開發IO流功能的工具類庫-->
        <dependency>
            <groupId>commons-io</groupId>
            <artifactId>commons-io</artifactId>
            <version>2.4</version>
        </dependency>
        <!--OkHttp 網路請求框架 -->
        <dependency>
            <groupId>com.squareup.okhttp3</groupId>
            <artifactId>okhttp</artifactId>
            <version>3.6.0</version>
        </dependency>
        <!--Java模板引擎-->
        <dependency>
            <groupId>com.ibeetl</groupId>
            <artifactId>beetl</artifactId>
            <version>2.7.13</version>
        </dependency>
        <!--Apache開源組織提供的用於操作Java BEAN的工具包-->
        <dependency>
            <groupId>commons-beanutils</groupId>
            <artifactId>commons-beanutils</artifactId>
            <version>1.9.3</version>
        </dependency>
        <!--Java的XML API，是jdom的升級品，用來讀寫XML檔案-->
        <dependency>
            <groupId>dom4j</groupId>
            <artifactId>dom4j</artifactId>
            <version>1.6.1</version>
        </dependency>
        <!--Jaxen是一個Java編寫的開源的XPath庫-->
        <dependency>
            <groupId>jaxen</groupId>
            <artifactId>jaxen</artifactId>
            <version>1.1.6</version>
        </dependency>

        <!-- https://mvnrepository.com/artifact/javax.servlet.jsp/jsp-api -->
        <!--JSP開發-->
        <dependency>
            <groupId>javax.servlet.jsp</groupId>
            <artifactId>jsp-api</artifactId>
            <version>2.2</version>
            <scope>provided</scope>
        </dependency>
        <!--Java常用的Json解析工具,主要提供JSONObject和JSONArray類-->
        <dependency>
            <groupId>org.json</groupId>
            <artifactId>json</artifactId>
            <version>20140107</version>
        </dependency>
        <!--Apache開源組織提供的用於摘要運算、編碼的包-->
        <dependency>
            <groupId>commons-codec</groupId>
            <artifactId>commons-codec</artifactId>
            <version>1.10</version>
        </dependency>
        <!--Java開源工具iText生成PDF-->
        <dependency>
            <groupId>com.itextpdf</groupId>
            <artifactId>itext7-core</artifactId>
            <version>7.0.5</version>
            <type>pom</type>
        </dependency>
        <!--JFreeChart是JAVA平臺上的一個開放的圖表繪製類庫-->
        <dependency>
            <groupId>org.jfree</groupId>
            <artifactId>jfreechart</artifactId>
            <version>1.0.19</version>
        </dependency>
        <dependency>
            <groupId>org.jfree</groupId>
            <artifactId>jcommon</artifactId>
            <version>1.0.23</version>
        </dependency>