1 package com.atguigu.ssh.actions;  2   3 import java.io.ByteArrayInputStream;  4 import java.io.InputStream;  5 import java.io.UnsupportedEncodingException;  6 import java.util.Date;  7 import java.util.Map;  8   9 import org.apache.struts2.interceptor.RequestAware; 10  11 import com.atguigu.ssh.entities.Employee; 12 import com.atguigu.ssh.service.DepartmentService; 13 import com.atguigu.ssh.service.EmployeeService; 14 import com.opensymphony.xwork2.ActionSupport; 15 import com.opensymphony.xwork2.ModelDriven; 16 import com.opensymphony.xwork2.Preparable; 17  18 public class EmployeeAction extends ActionSupport implements RequestAware, 19 ModelDriven<Employee>,Preparable{ 20      21     private static final long serialVersionUID = 1L; 22      23     private EmployeeService employeeService; 24      25     public void setEmployeeService(EmployeeService employeeService){ 26         this.employeeService=employeeService; 27     } 28      29     //5 校验注册的姓名是否可用 30     private String lastName; 31      32     public void setLastName(String lastName) { 33         this.lastName = lastName; 34     } 35      36     public String validateLastName() throws UnsupportedEncodingException{ 37         if(employeeService.lastNameIsValid(lastName)){ 38             inputStream = new ByteArrayInputStream("1".getBytes("UTF-8"));  39         }else{ 40             inputStream = new ByteArrayInputStream("0".getBytes("UTF-8"));  41         } 42         return "ajax-success"; 43     } 44      45     //**** 4 使用ModelDriven拦截器方法存储添加的信息 46     public String save(){ 47         //第一次添加 就加上系统时间，否则直接保存不修改时间 48         if(id == null){ 49             model.setCreateTime(new Date()); 50         } 51         employeeService.saveorUpdate(model); 52         return SUCCESS; 53     } 54      55     /** 56      * 可以根据 id 来判断为 save 方法准备的 model 是 new 的还是从数据库获取的! 57      */ 58     //****6-2 Edit 59     public void prepareSave(){ 60         //第一次添加 61         if(id == null){ 62             model=new Employee(); 63         } 64         //修改，从数据库中获取 65         else{ 66             model = employeeService.get(id); 67         } 68          69     } 70      71     //3-1  查询Department 72     private DepartmentService departmentService; 73     public void setDepartmentService(DepartmentService departmentService) { 74         this.departmentService = departmentService; 75     } 76     //3-2 实现添加员工信息的方法 77     public String input(){ 78         request.put("departments", departmentService.getAll()); 79         return INPUT; 80     } 81      82     //**** 6-1   拦截器的方法 83     public void prepareInput(){ 84         //说明在修改，这时从数据库中获取状态 85         if(id != null){ 86             model = employeeService.get(id); 87         } 88     } 89     //2 删除 90     private Integer id; 91     public void setId(Integer id) { 92         this.id = id; 93     } 94     /*public String delete(){ 95         employeeService.delete(id); 96         return SUCCESS; 97     }*/ 98     //2-1 使用Ajax方式删除 99     private InputStream inputStream;100     101     public InputStream getInputStream() {102         return inputStream;103     }104     105     public String delete(){106         employeeService.delete(id);107         try {108             //删除成功109             inputStream=new ByteArrayInputStream("1".getBytes("UTF-8"));110         } catch (UnsupportedEncodingException e) {111             //删除失败112             try {113                 inputStream=new ByteArrayInputStream("0".getBytes("UTF-8"));114             } catch (UnsupportedEncodingException e1) {115                 // TODO Auto-generated catch block116                 e1.printStackTrace();117             }118             e.printStackTrace();119         }120         return "ajax-success";121     }122     //1 查询123     public String list(){124         request.put("employees", employeeService.getAll()); 125         return "list";126     }127 128     //放到页面里129     private Map<String,Object> request;130     131     @Override132     public void setRequest(Map<String, Object> arg0) {133         this.request=arg0;134     }135     136     //****137     @Override138     public void prepare() throws Exception {139     }140     //****141     private Employee model;142     //****143     @Override144     public Employee getModel() {145         return model;146     }147 148 }

 1 package com.atguigu.ssh.converters; 2  3 import java.text.DateFormat; 4 import java.text.ParseException; 5 import java.text.SimpleDateFormat; 6 import java.util.Date; 7 import java.util.Map; 8  9 import org.apache.struts2.util.StrutsTypeConverter;10 11 public class SSHDateConverter extends StrutsTypeConverter {12 13     private DateFormat dateFormat;14     15     public SSHDateConverter()16     {17         dateFormat = new SimpleDateFormat("yyyy-MM-dd");18     }19     20     @Override21     public Object convertFromString(Map context, String[] values, Class toClass) {22         if(toClass == Date.class){23             if(values !=null && values.length>0){24                 String value=http://www.mamicode.com/values[0];25                 try {26                     return dateFormat.parse(value);27                 } catch (ParseException e) {28                     e.printStackTrace();29                 }30             }31         }32         return values;33     }34 35     @Override36     public String convertToString(Map context, Object o) {37         if(o instanceof Date){38             Date date=(Date)o;39             return dateFormat.format(date);40         }41         return null;42     }43 44 }

 1 package com.atguigu.ssh.dao; 2  3 import org.hibernate.Session; 4 import org.hibernate.SessionFactory; 5  6 public class BaseDao { 7  8     private SessionFactory sessionFactory; 9     10     public void setSessionFactory(SessionFactory sessionFactory){11         this.sessionFactory=sessionFactory;12     }13     14     public Session getSession(){15         return  this.sessionFactory.getCurrentSession();16     }17 }

 1 package com.atguigu.ssh.dao; 2  3 import java.util.List; 4  5 import com.atguigu.ssh.entities.Department; 6  7 public class DepartmentDao extends BaseDao{ 8  9     //获取查询到的Department集合10     public List<Department> getAll(){11         String hql="FROM Department";12         return getSession().createQuery(hql).list();13     }14 }

 1 package com.atguigu.ssh.dao; 2  3 import java.util.List; 4  5 import org.hibernate.Query; 6  7 import com.atguigu.ssh.entities.Employee; 8  9 public class EmployeeDao extends BaseDao{10     11     /*放到父类BaseDao中12      private SessionFactory sessionFactory;13     14     public void setSessionFactory(SessionFactory sessionFactory){15         this.sessionFactory=sessionFactory;16     }17     18     public Session getSession(){19         return  this.sessionFactory.getCurrentSession();20     }*/21     22     //5    Edit23     public Employee get(Integer id){24         return (Employee) getSession().get(Employee.class, id);25     }26     27     //4 校验注册的姓名是否可用28     public Employee getEmployeeByLastName(String lastName){29         String hql = "FROM Employee e WHERE e.lastName = ?";30         Query query = getSession().createQuery(hql).setString(0, lastName);31         Employee employee = (Employee) query.uniqueResult();32         //System.out.println("***"+employee.getDepartment().getClass().getName());33         return employee;34     }35     //3 添加、存储36     public void saveOrUpadate(Employee employee){37         getSession().saveOrUpdate(employee);38     }39     //2 删除40     public void delete(Integer id){41         String hql="DELETE FROM Employee e WHERE e.id=?";42         getSession().createQuery(hql).setInteger(0,id).executeUpdate();43     }44     //1获取45     public List<Employee> getAll(){46         String hql="FROM Employee  e LEFT OUTER JOIN FETCH e.department";47         return getSession().createQuery(hql).list();48     }49 }

 1 package com.atguigu.ssh.entities; 2  3 public class Department { 4      5     private Integer id; 6     private String departmentName=""; 7     public Integer getId() { 8         return id; 9     }10     public void setId(Integer id) {11         this.id = id;12     }13     public String getDepartmentName() {14         return departmentName;15     }16     public void setDepartmentName(String departmentName) {17         this.departmentName = departmentName;18     }19     20     21 }

 1 package com.atguigu.ssh.entities; 2  3 import java.util.Date; 4  5 public class Employee { 6     private Integer id; 7      8     private String lastName=""; 9     private String email;10     11     private Date birth;12     private Date createTime;13     14     private Department department;15 16     public Integer getId() {17         return id;18     }19 20     public void setId(Integer id) {21         this.id = id;22     }23 24     public String getLastName() {25         return lastName;26     }27 28     public void setLastName(String lastName) {29         this.lastName = lastName;30     }31 32     public String getEmail() {33         return email;34     }35 36     public void setEmail(String email) {37         this.email = email;38     }39 40     public Date getBirth() {41         return birth;42     }43 44     public void setBirth(Date birth) {45         this.birth = birth;46     }47 48     public Date getCreateTime() {49         return createTime;50     }51 52     public void setCreateTime(Date createTime) {53         this.createTime = createTime;54     }55 56     public Department getDepartment() {57         return department;58     }59 60     public void setDepartment(Department department) {61         this.department = department;62     }63 64     /*@Override65     public String toString() {66         return "Employee [id=" + id + ", lastName=" + lastName + ", email="67                 + email + ", birth=" + birth + ", createTime=" + createTime68                 + ", department=" + department+ "]";69     }*/70     71     72 }

 1 <?xml version="1.0"?> 2 <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" 3 "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> 4 <!-- Generated 2016-9-18 16:53:56 by Hibernate Tools 3.4.0.CR1 --> 5 <hibernate-mapping> 6     <class name="com.atguigu.ssh.entities.Department" table="SSH_DEPARTMENT"> 7         <id name="id" type="java.lang.Integer"> 8             <column name="ID" /> 9             <generator class="native" />10         </id>11         <property name="departmentName" type="java.lang.String">12             <column name="DEPARTMENT_NAME" />13         </property>14     </class>15 </hibernate-mapping>

 1 <?xml version="1.0"?> 2 <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" 3 "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> 4 <!-- Generated 2016-9-18 16:53:56 by Hibernate Tools 3.4.0.CR1 --> 5 <hibernate-mapping> 6     <class name="com.atguigu.ssh.entities.Employee" table="SSH_EMPLOYEE"> 7      8         <id name="id" type="java.lang.Integer"> 9             <column name="ID" />10             <generator class="native" />11         </id>12         <property name="lastName" type="java.lang.String">13             <column name="LAST_NAME" />14         </property>15         <property name="email" type="java.lang.String">16             <column name="EMAIL" />17         </property>18         <property name="birth" type="java.util.Date">19             <column name="BIRTH" />20         </property>21         <property name="createTime" type="java.util.Date">22             <column name="CREATE_TIME" />23         </property>24         <many-to-one name="department" class="com.atguigu.ssh.entities.Department" lazy="false">25             <column name="DEPARTMENT_ID" />26         </many-to-one>27     </class>28 </hibernate-mapping>

 1 package com.atguigu.ssh.service; 2  3 import java.util.List; 4  5 import com.atguigu.ssh.dao.DepartmentDao; 6 import com.atguigu.ssh.entities.Department; 7  8 public class DepartmentService { 9 10     private DepartmentDao departmentDao;11     public void setDepartmentDao(DepartmentDao departmentDao) {12         this.departmentDao = departmentDao;13     }14     15     public List<Department> getAll(){16         return departmentDao.getAll();17     }18 }

 1 package com.atguigu.ssh.service; 2  3 import java.util.List; 4  5 import com.atguigu.ssh.dao.DepartmentDao; 6 import com.atguigu.ssh.entities.Department; 7  8 public class DepartmentService { 9 10     private DepartmentDao departmentDao;11     public void setDepartmentDao(DepartmentDao departmentDao) {12         this.departmentDao = departmentDao;13     }14     15     public List<Department> getAll(){16         return departmentDao.getAll();17     }18 }

 1 <?xml version="1.0" encoding="UTF-8"?> 2 <beans xmlns="http://www.springframework.org/schema/beans" 3     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 4     xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd"> 5      6     <bean id="employeeDao" class="com.atguigu.ssh.dao.EmployeeDao"> 7         <property name="sessionFactory" ref="sessionFactory"></property> 8     </bean> 9     10     <bean id="departmentDao" class="com.atguigu.ssh.dao.DepartmentDao">11         <property name="sessionFactory" ref="sessionFactory"></property>12     </bean>13     14     <bean id="employeeService" class="com.atguigu.ssh.service.EmployeeService">15         <property name="employeeDao" ref="employeeDao"></property>16     </bean>17     18     <bean id="departmentService" class="com.atguigu.ssh.service.DepartmentService">19         <property name="departmentDao" ref="departmentDao"></property>20     </bean>21     22     <bean id="employeeAction" class="com.atguigu.ssh.actions.EmployeeAction"23           scope="prototype">24         <property name="employeeService" ref="employeeService"></property>25         <property name="departmentService" ref="departmentService"></property>26     </bean>27 </beans>

 1 <?xml version="1.0" encoding="UTF-8"?> 2 <beans xmlns="http://www.springframework.org/schema/beans" 3     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 4     xmlns:aop="http://www.springframework.org/schema/aop" 5     xmlns:tx="http://www.springframework.org/schema/tx" 6     xmlns:context="http://www.springframework.org/schema/context" 7     xmlns:p="http://www.springframework.org/schema/p" 8     xmlns:util="http://www.springframework.org/schema/util" 9     xsi:schemaLocation="http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd10         http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd11         http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd12         http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd13         http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd">14     15     <!-- 导入资源文件 -->16     <context:property-placeholder location="classpath:db.properties"/>17     18     <!-- 导入C3P0数据源 -->19     <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">20         <property name="user" value="${jdbc.user}"></property>21         <property name="password" value="${jdbc.password}"></property>22         <property name="driverClass" value="${jdbc.driverClass}"></property>23         <property name="jdbcUrl" value="${jdbc.jdbcUrl}"></property>24         25         <property name="initialPoolSize" value="${jdbc.initPoolSize}"></property>26         <property name="maxPoolSize" value="${jdbc.maxPoolSize}"></property>27     </bean>28     29     <!--配置Hibernate 的sessionFactory的实例  -->30     <bean id="sessionFactory" 31           class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">32         <property name="dataSource" ref="dataSource"></property>33         <property name="configLocation" value="classpath:hibernate.cfg.xml"></property>34         <property name="mappingLocations" value="classpath:com/atguigu/ssh/entities/*.hbm.xml"></property>35     </bean>    36     37     <!--配置Spring声明式事务  -->38     <!--1 配置hibernate事务管理器  -->39     <bean id="transactionManager" class="org.springframework.orm.hibernate4.HibernateTransactionManager">40         <property name="sessionFactory" ref="sessionFactory"></property>41     </bean>42     43     <!--2 配置事务属性  -->    44     <tx:advice id="txAdvice" transaction-manager="transactionManager">45         <tx:attributes>46             <tx:method name="get*" read-only="true"/>47             <tx:method name="lastNameIsValid" read-only="true"/>48             <tx:method name="*"/>49         </tx:attributes>50     </tx:advice>51      52      <!--3 配置事务切入点  -->53     <aop:config>54         <aop:pointcut expression="execution(* com.atguigu.ssh.service.*.*(..))" id="txPointCut"/>55         <aop:advisor advice-ref="txAdvice" pointcut-ref="txPointCut"/>56     </aop:config>57     58     59     60     61     62     63     64 65 </beans>

1 jdbc.user=root2 jdbc.password=9206143 jdbc.driverClass=com.mysql.jdbc.Driver4 jdbc.jdbcUrl=jdbc:mysql:///spring_ssh5 6 jdbc.initPoolSize=57 jdbc.maxPoolSize=108 #...

 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          8         <property name="hibernate.dialect">org.hibernate.dialect.MySQL5InnoDBDialect</property> 9         <property name="hibernate.show_sql">true</property>10         <property name="hibernate.format_sql">true</property>11         <property name="hibernate.hbm2ddl.auto">update</property>12     </session-factory>13 </hibernate-configuration>

 1 <?xml version="1.0" encoding="UTF-8" ?> 2 <!DOCTYPE struts PUBLIC 3     "-//Apache Software Foundation//DTD Struts Configuration 2.3//EN" 4     "http://struts.apache.org/dtds/struts-2.3.dtd"> 5  6 <struts> 7  8     <constant name="struts.enable.DynamicMethodInvocation" value="false" /> 9     <constant name="struts.devMode" value="true" />10 11     <package name="default" namespace="/" extends="struts-default">12         <!-- 定义新的拦截器栈, 13             配置 prepare 拦截器栈的 alwaysInvokePrepare 参数值为 false -->14         <interceptors>15             <interceptor-stack name="sshStack">16                 <interceptor-ref name="paramsPrepareParamsStack">17                     <param name="prepare.alwaysInvokePrepare">false</param>18                 </interceptor-ref>19             </interceptor-stack>20         </interceptors>21         <!-- 使用新的拦截器栈 -->22         <default-interceptor-ref name="sshStack"></default-interceptor-ref>23         24         <action name="emp-*" class="employeeAction"25                 method="{1}">26                 <result name="list">/WEB-INF/views/emp-list.jsp</result>27                 28                 <result type="stream" name="ajax-success">29                     <param name="contentType">text/html</param>30                     <param name="inputName">inputStream</param>31                    </result>32                    <result name="input">/WEB-INF/views/emp-input.jsp</result>33                    34                    <result name="success" type="redirect">/emp-list</result>     35         </action>36     </package>37 38 </struts>

1 java.util.Date=com.atguigu.ssh.converters.SSHDateConverter

 1 <%@ page language="java" contentType="text/html; charset=UTF-8" 2     pageEncoding="UTF-8"%> 3 <%@ taglib prefix="s" uri="/struts-tags" %>     4 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 5 <html> 6 <head> 7 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 8 <title>Insert title here</title> 9 <script type="text/javascript" SRC="scripts/jquery-1.7.2.js"></script>10 <script type="text/javascript">11 $(function(){12     $(":input[name=lastName]").change(function(){13             var val = $(this).val();14             val = $.trim(val);15             var $this = $(this);16             17             if(val != ""){18                 //把当前节点后面的所有 font 兄弟节点删除19                 $this.nextAll("font").remove();20                 21                 var url="emp-validateLastName";22                 var args={"lastName":val,"time":new Date()};23                 $.post(url,args,function(data){24                     //姓名可用25                     if(data == "1"){26                         $this.after("<font color=‘green‘>LastName可用!</font>");27                     }28                     //不可用29                     else if(data == "0"){30                         $this.after("<font color=‘red‘>LastName不可用!</font>");                        31                     }32                     //服务器错误33                     else{34                         alert("服务器错误!");35                     }36                 });37             }else{38                 alert("lastName不能为空！");39                 $(this).val("");40                 //$(this).focus();41             }42         });43     })44 </script>45 </head>46 <body>47 48     <s:debug></s:debug>49     50     <h4>Employee Input Page</h4>51     52     <s:form action="emp-save" method="post">53         <s:if test="id != null">54             <s:textfield name="lastName" label="LastName" disabled="true"></s:textfield>55             <s:hidden name="id"></s:hidden>56             57             <%--通过隐藏域的方法58              <s:hidden name="lastName"></s:hidden>59             <s:hidden name="createTime"></s:hidden> --%>60         </s:if>61         62         <s:else>63             <s:textfield name="lastName" label="LastName"></s:textfield>64         </s:else>65         <s:textfield name="email" label="Email"></s:textfield>66         <s:textfield name="birth" label="Birth"></s:textfield>67         68         <s:select list="#request.departments"69                   listKey="id" listValue="departmentName" name="department.id"70                   label="Department"></s:select>71         <s:submit></s:submit>                  72     </s:form>73     74 </body>75 </html>

 1 <%@ page language="java" contentType="text/html; charset=UTF-8" 2     pageEncoding="UTF-8"%> 3 <%@ taglib prefix="s" uri="/struts-tags" %>    4 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 5 <html> 6 <head> 7 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 8 <title>Insert title here</title> 9 <script type="text/javascript" SRC="scripts/jquery-1.7.2.js"></script>10 <script type="text/javascript">11     //删除, 使用 ajax 的方式12     $(function(){13         $(".delete").click(function(){14             var lastName=$(this).next(":input").val();15             var flag=confirm("是否要删除"+lastName+"的信息吗？");16             //确认删除, 使用 ajax 的方式17             if(flag){18                 //获取要删除的行19                 var $tr=$(this).parent().parent();20                 var url=this.href;21                 var args={"time":new Date()};22                 $.post(url,args,function(data){23                     //若 data 的返回值为 1, 则提示 删除成功, 且把当前行删除24                     if(data== "1"){25                         alert("删除成功!");26                         $tr.remove();27                     }else{28                         //若 data 的返回值不是 1, 提示删除失败. 29                         alert("删除失败!");30                     }31                 });32             }33             return false;34         });35     })36 </script>37 </head>38 <body>39     <h3>Employee List Page</h3>40     41     <s:if test="#request.employees == null ||#request.size()==0">42         没有员工信息43     </s:if>44     <s:else>45         <table border="1" cellpadding="10" cellspacing="0">46             <tr>47                 <td>ID</td>48                 <td>LASTNAME</td>49                 <td>EMAIL</td>50                 <td>BIRTH</td>51                 <td>CREATETIME</td>52                 <td>DEPARTMENT</td>53                 <td>DELETE</td>54                 <td>EDIT</td>55             </tr>56             <s:iterator value="#request.employees">57                 <tr>58                     <td>${id}</td>59                     <td>${lastName}</td>60                     <td>${email }</td>61                     <%-- 62                         <td>${birth}</td>63                         <td>${createTime}</td>64                      --%>65                      <!-- 格式化时间 -->66                     <td>67                         <s:date name="birth" format="yyyy-MM-dd"/>68                     </td>69                     <td>70                         <s:date name="createTime" format="yyyy-MM-dd hh:mm:ss"/>71                     </td>72                     73                     <td>${department.departmentName}</td>74                     <td>75                         <a href="emp-delete?id=${id }" class="delete">Delete</a>76                         <input type="hidden" value="${lastName}"/>77                     </td>78                     <td>79                         <a href="emp-input?id=${id }">Edit</a>80                     </td>81                 </tr>82             </s:iterator>83         </table>84     </s:else>85 </body>86 </html>

 1 <?xml version="1.0" encoding="UTF-8"?> 2 <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_2_5.xsd" id="WebApp_ID" version="2.5"> 3      4     <!-- 配置spring配置文件.xml的名称和位置路径 --> 5     <context-param> 6         <param-name>contextConfigLocation</param-name> 7         <param-value>classpath:applicationContext*.xml</param-value> 8     </context-param> 9     10     <!-- Bootstraps the root web application context before servlet initialization -->11     <listener>12         <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>13     </listener>14     15     <!-- 配置Struts的Filter -->16     <filter>17         <filter-name>struts2</filter-name>18         <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>19     </filter>20     <filter-mapping>21         <filter-name>struts2</filter-name>22         <url-pattern>/*</url-pattern>23     </filter-mapping>24 25 </web-app>

 1 <%@ page language="java" contentType="text/html; charset=UTF-8" 2     pageEncoding="UTF-8"%> 3 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 4 <html> 5 <head> 6 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 7 <title>Insert title here</title> 8 </head> 9 <body>10 11     <a href="emp-list">显示所有员工信息:List All Employees</a>12     <br><br><br>13     <a href="emp-input">添加员工向信息:Add Employees‘ Information</a> 14     15 </body>16 </html>