1.
1 <?xml version="1.0" encoding="UTF-8"?> 2 <web-app version="2.5" 3 xmlns="http://java.sun.com/xml/ns/javaee" 4 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 5 xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 6 http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"> 7 <welcome-file-list> 8 <welcome-file>login.jsp</welcome-file> 9 </welcome-file-list> 10 <filter> <!--定义核心Filter FilterDispatcher --> 11 <filter-name>struts2</filter-name> <!-- 定义核心Filter的名称 --> 12 <filter-class> <!--定义核心Filter的实现类 --> 13 org.apache.struts2.dispatcher.FilterDispatcher 14 </filter-class> 15 </filter> 16 <filter-mapping> 17 <filter-name>struts2</filter-name><!--核心Filter的名称 --> 18 <url-pattern>/*</url-pattern><!--使用该核心Filter过滤所有的Web请求 --> 19 </filter-mapping> 20 </web-app>
2.
1 <?xml version="1.0" encoding="UTF-8" ?><!-- XML声明 --> 2 <!DOCTYPE struts PUBLIC 3 "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" 4 "http://struts.apache.org/dtds/struts-2.1.dtd"><!-- 指定Struts 2配置文件的DTD信息 --> 5 <struts><!-- 根节点 --> 6 <constant name="struts.i18n.encoding" value="gb2312"></constant> 7 <package name="struts2" extends="struts-default"> 8 <action name="login" class="com.sanqing.action.LoginAction"> 9 <result name="studentSuccess" type="chain">getRandomSubject</result><!--进入考试页面--> 10 <result name="teacherSuccess" type="redirect">/teacher/index.html</result><!--老师登录成功页面--> 11 <result name="input">/login.jsp</result><!--登录失败页面--> 12 </action> 13 <action name="subjectAdd" class="com.sanqing.action.SubjectAddAction"> 14 <result name="success" type="redirect">/teacher/subjectAdd.jsp</result><!--重定向到试题添加页面--> 15 <result name="input">/teacher/subjectAdd.jsp</result><!--请求转发到试题添加页面--> 16 </action> 17 <action name="subjectQuery" class="com.sanqing.action.QuerySubjectAction"> 18 <result name="success">/teacher/subjectManage.jsp</result><!--跳转到试题列表管理页面--> 19 </action> 20 <action name="subjectParticular" class="com.sanqing.action.SubjectParticularAction"> 21 <result name="success">/teacher/subjectShow.jsp</result><!--跳转到试题详细显示页面--> 22 </action> 23 <action name="subjectUpadateBefore" class="com.sanqing.action.SubjectUpdateBefore"> 24 <result name="success">/teacher/subjectUpdate.jsp</result><!--跳转到试题更新页面--> 25 </action> 26 <action name="subjectUpadate" class="com.sanqing.action.SubjectUpdateAction"> 27 <result name="success">/teacher/subjectUpdate.jsp</result><!--跳转到试题更新页面--> 28 </action> 29 <action name="subjectLikeQuery" class="com.sanqing.action.LikeQuerySubjectAction"> 30 <result name="success">/teacher/subjectManage.jsp</result><!--跳转到试题列表管理页面--> 31 </action> 32 <action name="getRandomSubject" class="com.sanqing.action.GetRandomSubject"> 33 <result name="success">/student/index.jsp</result><!--跳转到考试页面--> 34 </action> 35 <action name="submitExam" class="com.sanqing.action.SubmitExamAction"> 36 <result name="success">/student/examResult.jsp</result><!--跳转到考试页面--> 37 </action> 38 <action name="showSubjectAnswer" class="com.sanqing.action.ShowSubjectAnswer"> 39 <result name="success">/student/showAnswer.jsp</result><!--跳转到考试页面--> 40 </action> 41 <action name="queryStudentByName" class="com.sanqing.action.QueryStudentByName"> 42 <result name="success">/teacher/studentManage.jsp</result><!--跳转到学生管理页面--> 43 </action> 44 <action name="queryStudentByClass" class="com.sanqing.action.QueryStudentByClass"> 45 <result name="success">/teacher/studentManage.jsp</result><!--跳转到学生管理页面--> 46 </action> 47 </package> 48 </struts>
3.
1 <?xml version='1.0' encoding='UTF-8'?> 2 <!DOCTYPE hibernate-configuration PUBLIC 3 "-//Hibernate/Hibernate Configuration DTD 3.0//EN" 4 "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd"> 5 <hibernate-configuration> 6 <session-factory> 7 <property name="dialect"> 8 org.hibernate.dialect.MySQLDialect</property> <!-- 数据库方言 --> 9 <property name="connection.url"> 10 jdbc:mysql://localhost:3306/db_examsystem</property><!-- 数据库连接URL --> 11 <property name="connection.username">root</property> <!-- 数据库用户名 --> 12 <property name="connection.password">1234</property> <!-- 数据库用户密码 --> 13 <property name="connection.driver_class"> <!-- 数据库驱动类 --> 14 com.mysql.jdbc.Driver</property> 15 <mapping resource="com/sanqing/po/Student.hbm.xml"/> 16 <mapping resource="com/sanqing/po/Teacher.hbm.xml"/> 17 <mapping resource="com/sanqing/po/Subject.hbm.xml"/> 18 </session-factory> 19 </hibernate-configuration>
4.
1 package com.sanqing.hibernate; 2 3 import org.hibernate.HibernateException; 4 import org.hibernate.Session; 5 import org.hibernate.cfg.Configuration; 6 7 public class HibernateSessionFactory { 8 private static String CONFIG_FILE_LOCATION 9 = "/hibernate.cfg.xml"; //指定配置文件路径 10 private static final ThreadLocal<Session> threadLocal 11 = new ThreadLocal<Session>(); //定义ThreadLocal对象 12 private static Configuration configuration 13 = new Configuration(); //定义Configuration对象 14 private static org.hibernate.SessionFactory sessionFactory;//定义SessionFactory对象 15 private static String configFile = CONFIG_FILE_LOCATION; 16 static { 17 try { 18 configuration.configure(configFile);//读取配置文件 19 sessionFactory = 20 configuration.buildSessionFactory();//根据配置文件创建SessionFactory对象 21 } catch (Exception e) { 22 System.err 23 .println("%%%% Error Creating SessionFactory %%%%"); 24 e.printStackTrace(); 25 } 26 } 27 private HibernateSessionFactory() { 28 } 29 public static Session getSession() throws HibernateException { 30 Session session = (Session) threadLocal.get();//从ThreadLocal对象中获得Session对象 31 if (session == null || !session.isOpen()) {//判断获得的Session对象是否为空或者未打开 32 if (sessionFactory == null) {//如果没有创建SessionFactory对象，则首先创建 33 rebuildSessionFactory(); 34 } 35 //如果SessionFactory对象不为空，则调用其openSession方法创建Session对象 36 session = (sessionFactory != null) ? sessionFactory.openSession(): null; 37 threadLocal.set(session);//在ThreadLocal对象中保存该Session对象 38 } 39 return session; 40 } 41 public static void rebuildSessionFactory() { 42 try { 43 configuration.configure(configFile);//读取配置文件 44 sessionFactory = 45 configuration.buildSessionFactory();//根据配置文件创建sessionFactory对象 46 } catch (Exception e) { 47 System.err 48 .println("%%%% Error Creating SessionFactory %%%%"); 49 e.printStackTrace(); 50 } 51 } 52 public static void closeSession() throws HibernateException { 53 Session session = (Session) threadLocal.get();//从ThreadLocal对象中获得Session对象 54 threadLocal.set(null);//将当前线程Session对象从ThreadLocal对象中移除 55 if (session != null) { 56 session.close(); 57 } 58 } 59 public static org.hibernate.SessionFactory getSessionFactory() {//取得SessionFactory对象 60 return sessionFactory; 61 } 62 public static void setConfigFile(String configFile) {//设置新的配置文件 63 HibernateSessionFactory.configFile = configFile; 64 sessionFactory = null; 65 } 66 public static Configuration getConfiguration() {//获得Configuration对象 67 return configuration; 68 } 69 }
5.
1 package com.sanqing.util; 2 public class Page { 3 private int everyPage; //每页显示记录数 4 private int totalCount; //总记录数 5 private int totalPage; //总页数 6 private int currentPage; //当前页 7 private int beginIndex; //查询起始点 8 private boolean hasPrePage; //是否有上一页 9 private boolean hasNextPage; //是否有下一页 10 public Page(int everyPage, int totalCount, int totalPage, 11 int currentPage,int beginIndex, boolean hasPrePage, 12 boolean hasNextPage) { //自定义构造方法 13 this.everyPage = everyPage; 14 this.totalCount = totalCount; 15 this.totalPage = totalPage; 16 this.currentPage = currentPage; 17 this.beginIndex = beginIndex; 18 this.hasPrePage = hasPrePage; 19 this.hasNextPage = hasNextPage; 20 } 21 public Page(){} //默认构造函数 22 public int getEveryPage() { //获得每页显示记录数 23 return everyPage; 24 } 25 public void setEveryPage(int everyPage) {//设置每页显示记录数 26 this.everyPage = everyPage; 27 } 28 public int getTotalCount() {//获得总记录数 29 return totalCount; 30 } 31 public void setTotalCount(int totalCount) {//设置总记录数 32 this.totalCount = totalCount; 33 } 34 public int getTotalPage() {//获得总页数 35 return totalPage; 36 } 37 public void setTotalPage(int totalPage) {//设置总页数 38 this.totalPage = totalPage; 39 } 40 public int getCurrentPage() {//获得当前页 41 return currentPage; 42 } 43 public void setCurrentPage(int currentPage) {//设置当前页 44 this.currentPage = currentPage; 45 } 46 public int getBeginIndex() {//获得查询起始点 47 return beginIndex; 48 } 49 public void setBeginIndex(int beginIndex) {//设置查询起始点 50 this.beginIndex = beginIndex; 51 } 52 public boolean isHasPrePage() {//获得是否有上一页 53 return hasPrePage; 54 } 55 public void setHasPrePage(boolean hasPrePage) {//设置是否有上一页 56 this.hasPrePage = hasPrePage; 57 } 58 public boolean isHasNextPage() {//获得是否有下一页 59 return hasNextPage; 60 } 61 public void setHasNextPage(boolean hasNextPage) {//设置是否有下一页 62 this.hasNextPage = hasNextPage; 63 } 64 }
6.
1 package com.sanqing.util; 2 3 import java.util.List; 4 5 public class PageResult { 6 private Page page; //分页信息 7 private List list; //记录信息 8 public PageResult(Page page, List list) { 9 this.page = page; 10 this.list = list; 11 } 12 public Page getPage() { 13 return page; 14 } 15 public void setPage(Page page) { 16 this.page = page; 17 } 18 public List getList() { 19 return list; 20 } 21 public void setList(List list) { 22 this.list = list; 23 } 24 }
7.
1 package com.sanqing.util; 2 /* 3 * 分页信息辅助类 4 */ 5 public class PageUtil { 6 public static Page createPage(int everyPage,int totalCount,int currentPage) {//创建分页信息对象 7 everyPage = getEveryPage(everyPage); 8 currentPage = getCurrentPage(currentPage); 9 int totalPage = getTotalPage(everyPage, totalCount); 10 int beginIndex = getBeginIndex(everyPage, currentPage); 11 boolean hasPrePage = getHasPrePage(currentPage); 12 boolean hasNextPage = getHasNextPage(totalPage, currentPage); 13 return new Page(everyPage, totalCount, totalPage, currentPage, 14 beginIndex, hasPrePage, hasNextPage); 15 } 16 public static int getEveryPage(int everyPage) { //获得每页显示记录数 17 return everyPage == 0 ? 10 : everyPage; 18 } 19 public static int getCurrentPage(int currentPage) { //获得当前页 20 return currentPage == 0 ? 1 : currentPage; 21 } 22 public static int getTotalPage(int everyPage,int totalCount) {//获得总页数 23 int totalPage = 0; 24 if(totalCount != 0 &&totalCount % everyPage == 0) { 25 totalPage = totalCount / everyPage; 26 } else { 27 totalPage = totalCount / everyPage + 1; 28 } 29 return totalPage; 30 } 31 public static int getBeginIndex(int everyPage,int currentPage) {//获得起始位置 32 return (currentPage - 1) * everyPage; 33 } 34 public static boolean getHasPrePage(int currentPage) {//获得是否有上一页 35 return currentPage == 1 ? false : true; 36 } 37 public static boolean getHasNextPage(int totalPage, int currentPage) { //获得是否有上一页 38 return currentPage == totalPage || totalPage == 0 ? false : true; 39 } 40 }