maven+springMVC環境搭建

一:pom.xml配置

<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>publicsh</groupId>
	<artifactId>publicsh</artifactId>
	<packaging>war</packaging>
	<version>0.0.1-SNAPSHOT</version>
	<name>publicsh Maven Webapp</name>
	<url>http://maven.apache.org</url>
	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
		<spring.version>4.0.6.RELEASE</spring.version>
		<jackson.version>2.5.0</jackson.version>
	</properties>

	<dependencies>
		<dependency>
			<groupId>junit</groupId>
			<artifactId>junit</artifactId>
			<version>3.8.1</version>
		</dependency>
		<dependency>
			<groupId>javax.servlet</groupId>
			<artifactId>servlet-api</artifactId>
			<version>2.5</version>
		</dependency>

		<!-- https://mvnrepository.com/artifact/log4j/log4j -->
		<dependency>
			<groupId>log4j</groupId>
			<artifactId>log4j</artifactId>
			<version>1.2.17</version>
		</dependency>
		<!-- https://mvnrepository.com/artifact/com.lowagie/itext -->
		<dependency>
			<groupId>com.lowagie</groupId>
			<artifactId>itext</artifactId>
			<version>2.1.7</version>
		</dependency>
		<!-- https://mvnrepository.com/artifact/com.mchange/c3p0 -->
		<dependency>
			<groupId>com.mchange</groupId>
			<artifactId>c3p0</artifactId>
			<version>0.9.5.2</version>
		</dependency>


		<!-- spring start -->
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-core</artifactId>
			<version>${spring.version}</version>
		</dependency>

		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-beans</artifactId>
			<version>${spring.version}</version>
		</dependency>

		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-context</artifactId>
			<version>${spring.version}</version>
		</dependency>

		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-tx</artifactId>
			<version>${spring.version}</version>
		</dependency>

		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-web</artifactId>
			<version>${spring.version}</version>
		</dependency>

		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-test</artifactId>
			<version>${spring.version}</version>
			<scope>test</scope>
		</dependency>

		<!-- 使用SpringMVC需配置 -->
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-webmvc</artifactId>
			<version>${spring.version}</version>
		</dependency>
		<!-- SPRING JDBC -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>${spring.version}</version>
        </dependency>
		
		<!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java -->
		<dependency>
			<groupId>mysql</groupId>
			<artifactId>mysql-connector-java</artifactId>
			<version>5.1.41</version>
		</dependency>
		<!-- json -->
		<dependency>
			<groupId>com.alibaba</groupId>
			<artifactId>fastjson</artifactId>
			<version>1.2.38</version>
		</dependency>

		<!-- https://mvnrepository.com/artifact/org.javassist/javassist -->
		<dependency>
			<groupId>org.javassist</groupId>
			<artifactId>javassist</artifactId>
			<version>3.20.0-GA</version>
		</dependency>
		<!-- https://mvnrepository.com/artifact/com.lowagie/itext-rtf -->
		<dependency>
			<groupId>com.lowagie</groupId>
			<artifactId>itext-rtf</artifactId>
			<version>2.1.7</version>
		</dependency>
		<!-- https://mvnrepository.com/artifact/org.apache.httpcomponents/httpclient -->
		<dependency>
			<groupId>org.apache.httpcomponents</groupId>
			<artifactId>httpclient</artifactId>
			<version>4.3.2</version>
		</dependency>
		
	</dependencies>
	<build>
		<finalName>publicsh</finalName>
	</build>
</project>

二：web.xml配置

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 
    http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
  <!-- 配置web.xml，使其具有springmvc特性，主要配置兩處，一個是ContextLoaderListener，一個是DispatcherServlet -->
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath*:applicationContext.xml</param-value>
    </context-param>
    <!-- 配置ContextLoaderListener表示，該工程要以spring的方式啓動。啓動時會默認在/WEB-INF目錄下查找applicationContext.xml
作爲spring容器的配置文件，該文件裏可以初始化一些bean -->
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>
    
    <!-- 字符集過濾器 -->  
    <filter>
        <filter-name>encodingFilter</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>
    </filter>
    <filter-mapping>
        <filter-name>encodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
    
    <!-- spring mvc 配置 -->
    <!-- 配置DispatcherServlet表示，該工程將採用springmvc的方式。啓動時也會默認在/WEB-INF目錄下查找XXX-servlet.xml作爲配置文件，
        XXX就是DispatcherServlet的名字，該文件中將配置兩項重要的mvc特性：HandlerMapping,負責爲DispatcherServlet這個前端控制器的請求查找Controller；
        ViewResolver,負責爲DispatcherServlet查找ModelAndView的視圖解析器。
        此處使用指定的配置文件spring-mvc.xml -->
    <servlet>
        <servlet-name>contacts</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>  
            <param-name>contextConfigLocation</param-name>  
            <!--<param-value>/WEB-INF/classes/spring-mvc-servlet.xml</param-value>-->
            <param-value>classpath*:/spring-servlet.xml</param-value>
        </init-param>  
        <load-on-startup>1</load-on-startup>  
    </servlet>
    <servlet-mapping>
        <servlet-name>contacts</servlet-name>
        <url-pattern>*.htm</url-pattern>
    </servlet-mapping>
    
    <welcome-file-list>  
        <welcome-file>/index.jsp</welcome-file>  
    </welcome-file-list>  
</web-app>

三：spring-servlet.xml配置

<?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"
	xsi:schemaLocation="http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.1.xsd
        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-4.1.xsd">

	<!-- 激活@controller模式 -->
	<mvc:annotation-driven />
	<!-- 配置包掃描位置（會在此包下掃描@controller控制器） -->
	<context:component-scan base-package="com.controller,com.dao,com.impl" />
	<!-- 配置視圖解析器（jsp文件前綴後綴） -->
	<bean id="viewResolver"
		class="org.springframework.web.servlet.view.InternalResourceViewResolver">
		<property name="prefix">
			<value>/view/</value>
		</property>
		<property name="suffix">
			<value>.jsp</value>
		</property>
	</bean>

	<!-- 配置jdbc.properties的路徑 -->
	<bean id="propertyConfigurer"
		class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
		<property name="locations">
			<list>
				<value>classpath:jdbc.properties</value>
			</list>
		</property>
	</bean>
	<!-- 配置 c3p0 -->
	<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"
		destroy-method="close">
		<property name="driverClass" value="${jdbc.driverClassName}" />
		<property name="jdbcUrl" value="${jdbc.url}" />
		<property name="user" value="${jdbc.username}" />
		<property name="password" value="${jdbc.password}" />

		<!--連接池中保留的最小連接數。 -->
		<property name="minPoolSize" value="5"></property>
		<!--連接池中保留的最大連接數。Default: 15 -->
		<property name="maxPoolSize" value="30"></property>
		<!--初始化時獲取的連接數，取值應在minPoolSize與maxPoolSize之間。Default: 3 -->
		<property name="initialPoolSize" value="10"></property>
		<!--最大空閒時間,60秒內未使用則連接被丟棄。若爲0則永不丟棄。Default: 0 -->
		<property name="maxIdleTime" value="60"></property>
		<!--當連接池中的連接耗盡的時候c3p0一次同時獲取的連接數。Default: 3 -->
		<property name="acquireIncrement" value="5"></property>
		<!--JDBC的標準參數，用以控制數據源內加載的PreparedStatements數量。但由於預緩存的statements 屬於單個connection而不是整個連接池。所以設置這個參數需要考慮到多方面的因素。 
			如果maxStatements與maxStatementsPerConnection均爲0，則緩存被關閉。Default: 0 -->
		<property name="maxStatements" value="0"></property>
		<!--每60秒檢查所有連接池中的空閒連接。Default: 0 -->
		<property name="idleConnectionTestPeriod" value="60"></property>
		<!--定義在從數據庫獲取新連接失敗後重復嘗試的次數。Default: 30 -->
		<property name="acquireRetryAttempts" value="30"></property>
		<!--獲取連接失敗將會引起所有等待連接池來獲取連接的線程拋出異常。但是數據源仍有效 保留，並在下次調用getConnection()的時候繼續嘗試獲取連接。如果設爲true，那麼在嘗試 
			獲取連接失敗後該數據源將申明已斷開並永久關閉。Default: false -->
		<property name="breakAfterAcquireFailure" value="true"></property>
		<!--因性能消耗大請只在需要的時候使用它。如果設爲true那麼在每個connection提交的 時候都將校驗其有效性。建議使用idleConnectionTestPeriod或automaticTestTable 
			等方法來提升連接測試的性能。Default: false -->
		<property name="testConnectionOnCheckout" value="false"></property>
	</bean>
	<bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
		<property name="dataSource" ref="dataSource" />
	</bean>

</beans>

4:jdbc.properties配置

jdbc.driverClassName=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://127.0.0.1:3306/test?characterEncoding=utf-8
jdbc.username=root
jdbc.password=123456

5:效果圖如下

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