步骤1.新建项目:ssh
步骤2.首先整合Spring 和 Hibernate,将spring下的包和hibernate下的包导入进来,还有mysql的驱动类
步骤3.在类路径下新建beans.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:aop="http://www.springframework.org/schema/aop" xmlns:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.springframework.org/schema/tx" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd"> <context:component-scan base-package="cn.itcast"/> <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" destroy-method="close"> <property name="driverClass" value="org.gjt.mm.mysql.Driver"/> <property name="jdbcUrl" value="jdbc:mysql://localhost:3306/itcast?useUnicode=true&characterEncoding=UTF-8"/> <property name="user" value="root"/> <property name="password" value="root"/> <!--初始化时获取的连接数,取值应在minPoolSize与maxPoolSize之间。Default: 3 --> <property name="initialPoolSize" value="1"/> <!--连接池中保留的最小连接数。--> <property name="minPoolSize" value="1"/> <!--连接池中保留的最大连接数。Default: 15 --> <property name="maxPoolSize" value="300"/> <!--最大空闲时间,60秒内未使用则连接被丢弃。若为0则永不丢弃。Default: 0 --> <property name="maxIdleTime" value="60"/> <!--当连接池中的连接耗尽的时候c3p0一次同时获取的连接数。Default: 3 --> <property name="acquireIncrement" value="5"/> <!--每60秒检查所有连接池中的空闲连接。Default: 0 --> <property name="idleConnectionTestPeriod" value="60"/> </bean> <bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean"> <property name="dataSource" ref="dataSource"/> <property name="mappingResources"> <list> <value>cn/itcast/bean/Employee.hbm.xml</value> </list> </property> <property name="hibernateProperties"> <value> hibernate.dialect=org.hibernate.dialect.MySQL5Dialect hibernate.hbm2ddl.auto=update hibernate.show_sql=false hibernate.format_sql=false </value> </property> </bean> <bean id="txManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager"> <property name="sessionFactory" ref="sessionFactory"/> </bean> <tx:annotation-driven transaction-manager="txManager"/> </beans>
步骤4.新建实体bean
Employee
package cn.itcast.bean; public class Employee { private String username; private String password; private Gender gender = Gender.MAN; public Employee(){} public Employee(String username, String password) { this.username = username; this.password = password; } public Gender getGender() { return gender; } public void setGender(Gender gender) { this.gender = gender; } public String getUsername() { return username; } public void setUsername(String username) { this.username = username; } public String getPassword() { return password; } public void setPassword(String password) { this.password = password; } }
Employee的映射文件
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> <hibernate-mapping package="cn.itcast.bean"> <class name="Employee"> <id name="username" length="20" /> <property name="password" length="20" not-null="true"/> <property name="gender" not-null="true" length="5"> <type name="org.hibernate.type.EnumType"> <param name="enumClass">cn.itcast.bean.Gender</param> <!-- 12为java.sql.Types.VARCHAR常量值,即保存枚举的字面值到数据库,如果不指定type参数,保存到数据库的值为枚举的索引值(从0开始) --> <param name="type">12</param> </type> </property> </class> </hibernate-mapping>
Gander:
package cn.itcast.bean; /** * 性别 */ public enum Gender { MAN,WOMEN; }
步骤5.新建数据库操作类
package cn.itcast.service; import java.util.List; import cn.itcast.bean.Employee; public interface EmployeeService { public void save(Employee employee); public void update(Employee employee); public Employee find(String username); public List<Employee> list(); public void delete(String... usernames); }
其实现类:
package cn.itcast.service.impl; import java.util.List; import javax.annotation.Resource; import org.hibernate.SessionFactory; import org.springframework.stereotype.Service; import org.springframework.transaction.annotation.Propagation; import org.springframework.transaction.annotation.Transactional; import cn.itcast.bean.Employee; import cn.itcast.service.EmployeeService; @Service @Transactional public class EmployeeServiceBean implements EmployeeService { @Resource SessionFactory sessionFactory; //删除 public void delete(String... usernames) { for(String username :usernames){ sessionFactory.getCurrentSession().delete(sessionFactory.getCurrentSession().load(Employee.class, username)); } } //查找一个 @Transactional(propagation=Propagation.NOT_SUPPORTED,readOnly=true) public Employee find(String username) { return (Employee) sessionFactory.getCurrentSession().get(Employee.class, username); } //查找所有 @SuppressWarnings("unchecked") @Transactional(propagation=Propagation.NOT_SUPPORTED,readOnly=true) public List<Employee> list() { return sessionFactory.getCurrentSession().createQuery("from Employee").list(); } //保存 public void save(Employee employee) { sessionFactory.getCurrentSession().persist(employee); } //修改 public void update(Employee employee) { sessionFactory.getCurrentSession().merge(employee); } }
步骤6.编写junit测试
package junit.test; import java.util.List; import org.junit.BeforeClass; import org.junit.Test; import org.springframework.context.ApplicationContext; import org.springframework.context.support.ClassPathXmlApplicationContext; import cn.itcast.bean.Employee; import cn.itcast.bean.Gender; import cn.itcast.service.EmployeeService; public class EmployeeTest { private static EmployeeService employeeService; @BeforeClass public static void setUpBeforeClass() throws Exception { try { ApplicationContext act = new ClassPathXmlApplicationContext( "beans.xml"); employeeService = (EmployeeService) act .getBean("employeeServiceBean"); } catch (Exception e) { System.out.println("错了"); } } @Test public void save(){ employeeService.save(new Employee("lichao","2586")); } @Test public void update(){ Employee em = employeeService.find("liming"); em.setGender(Gender.WOMEN); employeeService.update(em); } @Test public void find(){ Employee employee = employeeService.find("lichao"); System.out.println(employee.getPassword()); } @Test public void list(){ List<Employee> list = employeeService.list(); for(Employee ems : list) System.out.println("用户名:"+ems.getUsername()+",密码:"+ems.getPassword()); } @Test public void delete(){ employeeService.delete("liming","lichao"); } }
测试完成后,然后
步骤7.将struts2.1.8的包导入进来
步骤8.在类路径下新建struts.xml
<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN" "http://struts.apache.org/dtds/struts-2.0.dtd"> <struts> <!-- 默认的视图主题 --> <constant name="struts.ui.theme" value="simple" /> <constant name="struts.objectFactory" value="spring" /> <package name="employee" namespace="/employee" extends="struts-default"> <!-- 列表 --> <action name="list" class="employeeListAction"> <result name="list">/WEB-INF/page/employeelist.jsp</result> </action> <!-- 添加 --> <action name="add_*" class="employeeAddAction" method="{1}"> <interceptor-ref name="defaultStack"/> <interceptor-ref name="token"/> <result name="addUI">/WEB-INF/page/employeeadd.jsp</result> <result name="add">/WEB-INF/page/message.jsp</result> <result name="invalid.token">/WEB-INF/page/employeeadd.jsp</result> </action> <!-- 删除 --> <action name="delete" class="employeeDeleteAction"> <result name="delete" type="redirectAction">list</result> </action> <!-- 修改 --> <action name="update_*" class="employeeUpdateAction" method="{1}"> <result name="select">/WEB-INF/page/employeeupdate.jsp</result> <result name="update" type="redirectAction">list</result> </action> </package> </struts>
步骤9. web.xml
<?xml version="1.0" encoding="UTF-8"?> <web-app version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"> <!-- 指定spring的配置文件,默认从web根目录寻找配置文件,我们可以通过spring提供的classpath:前缀指定从类路径下寻找 --> <context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:beans.xml</param-value> </context-param> <!-- 对Spring容器进行实例化 --> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <!-- 配置struts2 --> <filter> <filter-name>struts2</filter-name> <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class> </filter> <filter-mapping> <filter-name>struts2</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list> </web-app>
步骤10.新建action
增:
package cn.itcast.action; import javax.annotation.Resource; import org.springframework.context.annotation.Scope; import org.springframework.stereotype.Controller; import com.opensymphony.xwork2.ActionContext; import cn.itcast.bean.Employee; import cn.itcast.service.EmployeeService; @Controller @Scope("prototype") public class EmployeeAddAction { @Resource EmployeeService employeeService; private Employee employee; public Employee getEmployee() { return employee; } public void setEmployee(Employee employee) { this.employee = employee; } public String addUI(){ return "addUI"; } public String add(){ employeeService.save(employee); ActionContext.getContext().put("message", "保存成功"); return "add"; } }
删:
package cn.itcast.action; import javax.annotation.Resource; import javax.servlet.http.HttpServletRequest; import org.apache.struts2.ServletActionContext; import org.springframework.context.annotation.Scope; import org.springframework.stereotype.Controller; import cn.itcast.service.EmployeeService; @Controller @Scope("prototype") public class EmployeeDeleteAction { @Resource EmployeeService employeeservice; public String execute(){ HttpServletRequest request = ServletActionContext.getRequest(); String username = request.getParameter("username"); System.out.println(username); employeeservice.delete(username); return "delete"; } }
改:
package cn.itcast.action; import javax.annotation.Resource; import javax.servlet.http.HttpServletRequest; import org.apache.struts2.ServletActionContext; import org.springframework.context.annotation.Scope; import org.springframework.stereotype.Controller; import com.opensymphony.xwork2.ActionContext; import cn.itcast.bean.Employee; import cn.itcast.service.EmployeeService; @Controller @Scope("prototype") public class EmployeeUpdateAction { @Resource EmployeeService employeeService; private Employee employee; public Employee getEmployee() { return employee; } public void setEmployee(Employee employee) { this.employee = employee; } //查询出来 public String select(){ HttpServletRequest request = ServletActionContext.getRequest(); String username = request.getParameter("username"); Employee employee = employeeService.find(username); ActionContext.getContext().put("employee", employee); return "select"; } //修改 public String update(){ employeeService.update(employee); return "update"; } }
查:
package cn.itcast.action; import javax.annotation.Resource; import org.springframework.stereotype.Controller; import com.opensymphony.xwork2.ActionContext; import cn.itcast.service.EmployeeService; @Controller public class EmployeeListAction { @Resource EmployeeService employeeService; public String execute(){ ActionContext.getContext().put("employees", employeeService.list()); return "list"; } }
步骤11.在WEB-INF下新建page文件夹,并新建一下jsp文件
employeeadd.jsp
<%@ page language="java" pageEncoding="UTF-8"%> <%@ taglib prefix="s" uri="/struts-tags" %> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>成员添加</title> <meta http-equiv="pragma" content="no-cache"> <meta http-equiv="cache-control" content="no-cache"> <meta http-equiv="expires" content="0"> </head> <body> <s:form action="add_add" namespace="/employee" method="post"> 姓名:<s:textfield name="employee.username"/><br/> 密码:<s:password name="employee.password"/><br/> 性别:<s:radio list="#{'MAN':'男','WOMEN':'女'}" listKey="key" listValue="value" name="employee.gender" value="{'MAN'}"/><br/> <s:token></s:token> <input type="submit" value="提交"/> </s:form> <a href="<s:url action="list" namespace="/employee"/>">成员列表</a> </body> </html>
message.jsp
<%@ page language="java" pageEncoding="UTF-8"%> <%@ taglib prefix="s" uri="/struts-tags" %> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>成功信息</title> <meta http-equiv="pragma" content="no-cache"> <meta http-equiv="cache-control" content="no-cache"> <meta http-equiv="expires" content="0"> </head> <body> <H1><font color="red"><s:property value="#request.message"/></font></H1> </body> </html>
employeelist.jsp
<%@ page language="java" pageEncoding="UTF-8"%> <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %> <%@ taglib prefix="s" uri="/struts-tags"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>成员列表</title> <meta http-equiv="pragma" content="no-cache"> <meta http-equiv="cache-control" content="no-cache"> <meta http-equiv="expires" content="0"> </head> <body> OGNL: <br/> <s:iterator value="#request.employees" id="obj"> <s:property value="username"/>,<s:property value="password"/>,<s:property value="gender"/> <a href="/ssh/employee/delete.action?username=<s:property value='username'/>">删除</a> <a href="/ssh/employee/update_select.action?username=<s:property value='username'/>">修改</a> <br/> </s:iterator><br/> JSTL/EL: <br/> <c:forEach items="${employees}" var="employee"> ${employee.username},${employee.password},${employee.gender}<br/> </c:forEach> <br/> <a href="<s:url action="add_addUI" namespace="/employee"/>">添加页面</a> </body> </html>
employeeupdate.jsp
<%@ page language="java" pageEncoding="UTF-8"%> <%@ taglib prefix="s" uri="/struts-tags" %> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>成员修改</title> <meta http-equiv="pragma" content="no-cache"> <meta http-equiv="cache-control" content="no-cache"> <meta http-equiv="expires" content="0"> </head> <body> <s:form action="update_update" namespace="/employee" method="post"> 姓名:<s:textfield value="%{#request.employee.username}" name="employee.username"/><br/> 密码:<s:password value="%{#request.employee.password}" name="employee.password"/><br/> 性别:<s:radio list="#{'MAN':'男','WOMEN':'女'}" listKey="key" listValue="value" name="employee.gender" value="%{#request.employee.gender}"/><br/> <s:token></s:token> <input type="submit" value="提交"/> </s:form> <a href="<s:url action="list" namespace="/employee"/>">成员列表</a> </body> </html>
步骤12.运行测试