SSH整合入门案例
package loaderman.action; import java.util.Map; import com.opensymphony.xwork2.ActionContext; import com.opensymphony.xwork2.ActionSupport; import loaderman.entity.Employee; import loaderman.service.EmployeeService; public class EmployeeAction extends ActionSupport{ // IOC容器注入 private EmployeeService employeeService; public void setEmployeeService(EmployeeService employeeService) { this.employeeService = employeeService; } @Override public String execute(){ int empid = 17; // 调用Service Employee emp = employeeService.findById(empid); // 保存到request Map<String,Object> request = (Map<String, Object>) ActionContext.getContext().get("request"); request.put("emp", emp); return SUCCESS; } }
package loaderman.dao; import java.io.Serializable; import loaderman.entity.Employee; import org.hibernate.SessionFactory; public class EmployeeDao { // 注入SessionFactory对象 private SessionFactory sessionFactory; public void setSessionFactory(SessionFactory sessionFactory) { this.sessionFactory = sessionFactory; } /** * 查询 * @param emp */ public Employee findById(Serializable id) { return (Employee) sessionFactory.getCurrentSession().get(Employee.class, id); } }
package loaderman.entity; public class Dept { private int id; private String name; public int getId() { return id; } public void setId(int id) { this.id = id; } public String getName() { return name; } public void setName(String name) { this.name = name; } }
package loaderman.entity; public class Employee { private int id; private String empName; private double salary; private Dept dept; public int getId() { return id; } public void setId(int id) { this.id = id; } public String getEmpName() { return empName; } public void setEmpName(String empName) { this.empName = empName; } public double getSalary() { return salary; } public void setSalary(double salary) { this.salary = salary; } public Dept getDept() { return dept; } public void setDept(Dept dept) { this.dept = dept; } }
<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd"> <hibernate-mapping package="loaderman.entity"> <class name="Dept" table="t_dept"> <id name="id" column="deptId"> <generator class="native"></generator> </id> <property name="name" column="deptName"></property> </class> </hibernate-mapping>
<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd"> <hibernate-mapping package="loaderman.entity"> <class name="Employee" table="t_employee"> <id name="id" column="empId"> <generator class="native"></generator> </id> <property name="empName"></property> <property name="salary"></property> <!-- 多对一 --> <many-to-one name="dept" column="dept_id" class="Dept"></many-to-one> </class> </hibernate-mapping>
package loaderman.service; import java.io.Serializable; import loaderman.dao.EmployeeDao; import loaderman.entity.Employee; import org.hibernate.SessionFactory; public class EmployeeService { // IOCע�� private EmployeeDao employeeDao; public void setEmployeeDao(EmployeeDao employeeDao) { this.employeeDao = employeeDao; } /** * @param */ public Employee findById(Serializable id) { Employee emp = employeeDao.findById(id); return emp; } }
<?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:context="http://www.springframework.org/schema/context" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx" xsi:schemaLocation="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.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd"> <bean id="employeeAction" class="loaderman.action.EmployeeAction" scope="prototype"> <property name="employeeService" ref="employeeService"></property> </bean> </beans>
<?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:context="http://www.springframework.org/schema/context" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx" xsi:schemaLocation="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.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd"> <!-- 所有配置的公共部门 --> <!-- 1) 连接池实例 --> <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"> <property name="driverClass" value="com.mysql.jdbc.Driver"></property> <property name="jdbcUrl" value="jdbc:mysql:///hib_demo"></property> <property name="user" value="root"></property> <property name="password" value="root"></property> <property name="initialPoolSize" value="3"></property> <property name="maxPoolSize" value="6"></property> </bean> <!-- 2) SessionFactory实例创建 --> <!-- 所有的配置都由spring维护(项目中不需要hibernate.cfg.xml啦) --> <bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean"> <!-- a. 连接池 --> <property name="dataSource" ref="dataSource"></property> <!-- b. hibernate常用配置: 方言、显示sql、自动建表等 --> <property name="hibernateProperties"> <props> <prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop> <prop key="hibernate.show_sql">true</prop> <prop key="hibernate.hbm2ddl.auto">update</prop> </props> </property> <!-- c. 映射配置 --> <property name="mappingLocations"> <list> <value>classpath:loaderman/entity/*.hbm.xml</value> </list> </property> </bean> <!-- 3) 事务配置 --> <!-- # 事务管理器 --> <bean id="txManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager"> <property name="sessionFactory" ref="sessionFactory"></property> </bean> <!-- # 事务增强 --> <tx:advice id="txAdvice" transaction-manager="txManager"> <tx:attributes> <tx:method name="*" read-only="false"/> </tx:attributes> </tx:advice> <!-- # AOP配置 --> <aop:config> <aop:pointcut expression="execution(* loaderman.service.*.*(..))" id="pt"/> <aop:advisor advice-ref="txAdvice" pointcut-ref="pt"/> </aop:config> </beans>
<?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:context="http://www.springframework.org/schema/context" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx" xsi:schemaLocation="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.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd"> <bean id="employeeDao" class="loaderman.dao.EmployeeDao"> <property name="sessionFactory" ref="sessionFactory"></property> </bean> </beans>
<?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:context="http://www.springframework.org/schema/context" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx" xsi:schemaLocation="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.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd"> <bean id="employeeService" class="loaderman.service.EmployeeService"> <property name="employeeDao" ref="employeeDao"></property> </bean> </beans>
<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.3//EN" "http://struts.apache.org/dtds/struts-2.3.dtd"> <struts> <package name="emp" extends="struts-default"> <!-- action实例交给spring容器创建 --> <action name="show" class="employeeAction" method="execute"> <result name="success">/index.jsp</result> </action> </package> </struts>
<?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"> <!-- 1. struts配置 --> <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> <!-- 2. spring 配置 --> <context-param> <param-name>contextConfigLocation</param-name> <param-value>/WEB-INF/classes/bean-*.xml</param-value> </context-param> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list> </web-app>
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