1.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:p="http://www.springframework.org/schema/p"xmlns:mvc="http://www.springframework.org/schema/mvc"xmlns:context="http://www.springframework.org/schema/context"xsi:schemaLocation="http://www.springframework.org/schema/beanshttp://www.springframework.org/schema/beans/spring-beans.xsdhttp://www.springframework.org/schema/mvchttp://www.springframework.org/schema/mvc/spring-mvc.xsd http://www.springframework.org/schema/contexthttp://www.springframework.org/schema/context/spring-context.xsd"><!-- 掃描的包 --><!-- <context:component-scan base-package="app04"/> --><!-- 使用轉(zhuǎn)換器 --><!--<mvc:annotation-driven conversion-service="conversionService"/>--><!-- 使用格式化 --><!-- conversionService2 --><!-- <mvc:annotation-driven conversion-service="conversionService2"/> --><!-- 使用注冊(cè)器替代格式化 --><!-- <mvc:annotation-driven />意思是開啟使用注釋的功能--><!-- conversionService3是格式化或者轉(zhuǎn)換器 --><!-- <mvc:annotation-driven conversion-service="conversionService3"/> --><!-- 掃描的包 --><context:component-scan base-package="sfk.bbs.test.testSpringMVCConfig.action"/><!-- 這個(gè)的作用是讓DispatcherServlet不將下列路徑理解為一個(gè)request請(qǐng)求,在項(xiàng)目中,這個(gè)是必須的,如果沒有加這些就可能造成上述問題 --><mvc:annotation-driven /><mvc:resources mapping="/css/**" location="/css/"/><mvc:resources mapping="/js/**" location="/js/"/><mvc:resources mapping="/*.html" location="/"/><!-- 視圖解析器 --> <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver"><property name="prefix" value="/WEB-INF/pages/"/><property name="suffix" value=".jsp"/></bean><!-- 讀取配置文件信息,在Spring的配置文件中使用EL表達(dá)式填充值 --><context:property-placeholder location="classpath:jdbc.properties"/><!-- 配置數(shù)據(jù)庫連接池 --><bean id="dataSourceLocal" name="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"> <!-- 指定連接數(shù)據(jù)庫的驅(qū)動(dòng)--> <property name="driverClass" value="${jdbc.driverClassName}"/> <!-- 指定連接數(shù)據(jù)庫的URL--> <property name="jdbcUrl" value="${jdbc.url}"/> <!-- 指定連接數(shù)據(jù)庫的用戶名--> <property name="user" value="${jdbc.username}"/> <!-- 指定連接數(shù)據(jù)庫的密碼--> <property name="password" value="${jdbc.password}"/> <!-- 指定連接池中保留的最大連接數(shù). Default:15--> <property name="maxPoolSize" value="${jdbc.maxPoolSize}"/> <!-- 指定連接池中保留的最小連接數(shù)--> <property name="minPoolSize" value="${jdbc.minPoolSize}"/> <!-- 指定連接池的初始化連接數(shù) 取值應(yīng)在minPoolSize 與 maxPoolSize 之間.Default:3--> <property name="initialPoolSize" value="${jdbc.initialPoolSize}"/> <!-- 最大空閑時(shí)間,60秒內(nèi)未使用則連接被丟棄。若為0則永不丟棄。 Default:0--> <property name="maxIdleTime" value="${jdbc.maxIdleTime}"/> <!-- 當(dāng)連接池中的連接耗盡的時(shí)候c3p0一次同時(shí)獲取的連接數(shù). Default:3--> <property name="acquireIncrement" value="${jdbc.acquireIncrement}"/> <!-- JDBC的標(biāo)準(zhǔn),用以控制數(shù)據(jù)源內(nèi)加載的PreparedStatements數(shù)量。 但由于預(yù)緩存的statements屬于單個(gè)connection而不是整個(gè)連接池所以設(shè)置這個(gè)參數(shù)需要考慮到多方面的因數(shù).如果maxStatements與maxStatementsPerConnection均為0,則緩存被關(guān)閉。Default:0--> <property name="maxStatements" value="${jdbc.maxStatements}"/> <!-- 每60秒檢查所有連接池中的空閑連接.Default:0 --> <property name="idleConnectionTestPeriod" value="${jdbc.idleConnectionTestPeriod}"/> </bean><!-- <bean id="dataSourceLocal" name="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">制定連接數(shù)據(jù)庫的驅(qū)動(dòng)<property name="driverClass" value="${jdbc.driverClassName}" />制定連接數(shù)據(jù)庫的URL<property name="jdbcUrl" value="${jdbc.url}" />指定連接數(shù)據(jù)庫的用戶名<property name="user" value="${jdbc.username}" />指定數(shù)據(jù)庫的密碼<property name="password" value="${jdbc.password}"/>指定連接池中保留的最大連接數(shù) default:15<property name="maxPoolSize" value="${jdbc.maxPoolSize}"/>指定連接池中保留的最小連接數(shù) <property name="minPoolSize" value="${jdbc.minPoolSize}" />指定連接池的初始化連接數(shù) 取值應(yīng)在minPoolSize 與MaxPoolSize之間,Default:3<property name="initialPoolSize" value="${jdbc.initialPoolSize}"/>最大空閑時(shí)間,60秒內(nèi)未使用連接被丟棄,若為0則永不丟棄,Default:0<property name="maxIdleTime" value="${jdbc.maxIdleTime}"/>當(dāng)連接池中的連接耗盡的時(shí)候c3p0一次同時(shí)獲取的連接數(shù). default: 3<property name="acquireIncrement" value="${jdbc.acquireIncrement}" />JDBC的標(biāo)準(zhǔn),用以控制數(shù)據(jù)源內(nèi)加載的prepareedStatement數(shù)量.但是由于預(yù)緩存的statements屬于單個(gè)connection而不是整個(gè)連接池所以色繪制這個(gè)參數(shù)需要考慮到多方面的因素,如果maxStatements與maxStatementsPerConnection均為0,則緩存被關(guān)閉,Default:0 <property name="maxStatements" value="${jdbc.maxStatements}"/>每60秒檢查所有連接池中的空閑連接default:0<property name="idleConnectionTestPeriod" value="${jdbc.idleConnectionTestPeriod}" /></bean> --><!-- 錯(cuò)誤提示信息配置,用配置文件管理錯(cuò)誤信息 --><!-- <bean id="messageSource" class="org.springframework.context.support.ReloadableResourceBundleMessageSource"><property name="basename" value="/WEB-INF/resource/messages" /></bean> --><!-- org.springframework.context.support.ConversionServiceFactoryBean.class --><!-- 使用轉(zhuǎn)換器的bean --> <!-- <bean id="conversionService" class="org.springframework.context.support.ConversionServiceFactoryBean"><property name="converters"><list><bean class="app06a.converter.StringToDateConverter" ><constructor-arg type="java.lang.String" value="MM-dd-yyyy"/></bean></list></property></bean>--><!-- 使用Formatter的格式化 --> <!-- <bean id="conversionService2" class="org.springframework.format.support.FormattingConversionServiceFactoryBean"><property name="formatters"><set>/springMVC/src/app06a/formatter/DateFormatter.java<bean class="app06a.formatter.DateFormatter"><constructor-arg type="java.lang.String" value="MM-dd-yyyy"/></bean></set></property></bean> --><!-- 使用注冊(cè)器替代Formatter的格式化 --> <!-- <bean id="conversionService3" class="org.springframework.format.support.FormattingConversionServiceFactoryBean"><property name="formatterRegistrars"><set>/springMVC/src/app06a/formatter/DateFormatter.java<bean class="app06a.formatter.MyFormatterRigistrar"><constructor-arg type="java.lang.String" value="MM-dd-yyyy"/></bean></set></property></bean> --></beans>

web.xml

<?xml version="1.0" encoding="UTF-8"?> <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" id="WebApp_ID" version="3.1"><display-name>sfk_BBS02</display-name><!-- <context-param><param-name>contextConfigLocation</param-name><param-value>classpath:applicationContext.xml</param-value></context-param> --> <!-- <context-param><param-name>contextConfigLocation</param-name><param-value>/WEB-INF/resource/applicationContext.xml</param-value></context-param> --><!-- config log4j first Part --><context-param><param-name>log4jConfigLocation</param-name><param-value>classpath:log4j.properties</param-value></context-param> <!-- /WEB-INF/classes/applicationContext-*.xml --><context-param><param-name>contextConfigLocation</param-name><param-value>/WEB-INF/classes/applicationContext.xml</param-value></context-param> <!-- Srping監(jiān)聽器 --><listener><listener-class>org.springframework.web.context.ContextLoaderListener</listener-class></listener> <!-- config log4j second Part --><!-- 加載log4j配置文件 --><listener><listener-class>org.springframework.web.util.Log4jConfigListener</listener-class></listener><servlet><servlet-name>springMVC</servlet-name><servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class><init-param><param-name>contextConfigLocation</param-name><param-value>classpath:applicationContext.xml</param-value></init-param><load-on-startup>1</load-on-startup></servlet><!-- 有的項(xiàng)目中這里寫的是.do,這樣分發(fā)器只會(huì)分發(fā)帶有.do的請(qǐng)求,就可以規(guī)避將js.css,.png等文件的路徑當(dāng)作一個(gè)請(qǐng)求,當(dāng)前沒有寫.do,就要用到<mvc:annotation-driven /><mvc:resources mapping="/css/**" location="/css/"/>將.css等文件不當(dāng)作一個(gè)請(qǐng)求 --><servlet-mapping><servlet-name>springMVC</servlet-name><url-pattern>/</url-pattern></servlet-mapping><welcome-file-list><welcome-file>index.html</welcome-file><welcome-file>index.htm</welcome-file><welcome-file>index.jsp</welcome-file><welcome-file>default.html</welcome-file><welcome-file>default.htm</welcome-file><welcome-file>default.jsp</welcome-file></welcome-file-list></web-app>

log4j.properties

#log4j.rootLogger=INFO,C,F #first way log All ########## # C,System.out #log4j.appender.C.Threshold=INFO print info or above ########## log4j.logger.sfk.bbs=INFO,C,F #second way set log package log4j.appender.C=org.apache.log4j.ConsoleAppender log4j.appender.C.Threshold=INFO log4j.appender.C.layout=org.apache.log4j.PatternLayout log4j.appender.C.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %L %p %C{1} - %m%n########### #save in file #log4j.appender.F.Threshold=INFO ,info or above ########### log4j.appender.F=org.apache.log4j.DailyRollingFileAppender # save file path log4j.appender.F.File=/home/rocky/develop/luna/eclipse/logInfo/SpringMVC_log log4j.appender.F.Append=true log4j.appender.F.Threshold=INFO log4j.appender.F.layout=org.apache.log4j.PatternLayout log4j.appender.F.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %L %p %C{1} - %m%n

項(xiàng)目的結(jié)構(gòu)圖

工具類

package sfk.bbs.common.SpringUtil;import org.springframework.beans.BeansException; import org.springframework.context.ApplicationContext; import org.springframework.context.ApplicationContextAware; import org.springframework.context.support.ClassPathXmlApplicationContext;/*** 1.Spring的工具類,現(xiàn)在主要用來獲取Spring配置文件中的bean* 2.這個(gè)方法里比較遺憾的是沒有用到implements ApplicationContextAware* 原因是在web.xml文件中沒有配置正確* @author rocky**/ public class SpringHelper {private static ApplicationContext applicationContext;@SuppressWarnings("static-access")public SpringHelper(){this.applicationContext =new ClassPathXmlApplicationContext("classpath:applicationContext.xml");}/* @Overridepublic void setApplicationContext(ApplicationContext applicationContext)throws BeansException{System.out.println("setApplicationContext : "+this.applicationContext);this.applicationContext = applicationContext;}*/public Object getBean(String beanId){System.out.println("applicationContext : "+applicationContext);System.out.println("getBean : " + beanId);return applicationContext.getBean(beanId);}}

測(cè)試類

package sfk.bbs.test.testSpringMVCConfig.action;import java.sql.Connection; import java.sql.SQLException;import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.sql.DataSource;import org.apache.log4j.Logger; import org.springframework.context.ApplicationContext; import org.springframework.context.support.ClassPathXmlApplicationContext; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.RequestMapping;import com.mchange.v2.c3p0.ComboPooledDataSource;import sfk.bbs.common.SpringUtil.SpringHelper; import sfk.bbs.common.constance.ActionURL; import sfk.bbs.common.constance.PagePath;@Controller public class StudentAction {private static Logger log = Logger.getLogger(StudentAction.class);/*** 1.現(xiàn)在的想法是把pages文件夾寫在SpringMVC的配置文件中,將后綴.jsp也寫在SpringMVC的配置文件中* 在Controller中page頁面寫成這樣"testPage/studentList* 斜杠左邊的pages文件夾下面的下一層文件夾,斜杠右邊的是jsp文件* 2.jsp文件名和requestMapping中的value相同* 3.注意:requestMapping不寫.do,頁面不寫.jsp* * 查找所有的student列表* @param request request* @param response response* @param model model* @return studentList*/@RequestMapping(value=ActionURL.STUDENT_LIST)public String findAllStudent(HttpServletRequest request,HttpServletResponse response,Model model){SpringHelper springHelper = new SpringHelper();DataSource datasource = (ComboPooledDataSource) springHelper.getBean("dataSourceLocal");Connection conn = null;try{conn = datasource.getConnection();} catch (SQLException e){// TODO Auto-generated catch block e.printStackTrace();}finally{try{conn.close();} catch (SQLException e){// TODO Auto-generated catch block e.printStackTrace();}}System.out.println(conn);//ctx = new ("classpath:applicationContext.xml");// ApplicationContext ctx = new ClassPathXmlApplicationContext("classpath:applicationContext.xml");//System.out.println("ctx : " + ctx);log.info("into findAllStudent");return PagePath.STUDENT_LIST;}}

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