Struts+Hibernate+Sprint结合完美实现

本文介绍了一个邮件管理系统的实现过程,包括使用Hibernate进行数据持久化的具体实现方法,如添加、删除及查询邮件信息等操作。
实现接口类:
package com.wu.dao;
import java.util.List;
import hib.*;
import org.springframework.orm.hibernate3.support.*;
public class EmailDAOImp extends HibernateDaoSupport implements IEmailDAO {
org.springframework.orm.hibernate3.LocalSessionFactoryBean sessionFactory;
/*
* (non-Javadoc)
* @see com.wu.dao.IEmailDAO#deleteE(int)
* deleteE方法删除数据 按编号删除
*/
public boolean deleteE(int emailId){
try{
/*
* load方法加载类。 通过这个对象找到这个编号
* 调用模版的delete方法 (删除的是个对象)
*/
EmailInfo obj=(EmailInfo)this.getHibernateTemplate().load(EmailInfo.class, new Integer(emailId));
this.getHibernateTemplate().delete(obj);
return true;
}catch(Exception ex){
System.out.println(ex.getMessage());
return false;
}
}
/*
* (non-Javadoc)
* @see com.wu.dao.IEmailDAO#readAllEmail()
* 读取方法 用模版的find方法
*/
public List readAllEmail(){
try{
String strSql="from hib.EmailInfo";
return this.getHibernateTemplate().find(strSql);
}catch(Exception ex){
System.out.println(ex.getMessage());
return null;
}
}
/*
* (non-Javadoc)
* @see com.wu.dao.IEmailDAO#addEmail(java.lang.String, java.lang.String, java.lang.String, java.lang.String)
* 添加方法 调用用对象来添加
* 添加的模版用Save方法来保存
*/
public boolean addEmail(String emailfrom, String emailto,
String emailtitle, String emailcontent) {
try{
EmailInfo email = new EmailInfo();
email.setEmailfrom(emailfrom);
email.setEmailto(emailto);
email.setEmailtitle(emailtitle);
email.setEmailcontent(emailcontent);

FJInfo fj = new FJInfo();
fj.setFjfile("one");
fj.setFjurl("one");
FJInfo fj1 = new FJInfo();
fj1.setFjfile("two");
fj1.setFjurl("two");
email.getFjSet().add(fj);
email.getFjSet().add(fj1);
this.getHibernateTemplate().save(email);
return true;
}catch(Exception ex){
System.out.println(ex.getMessage());
}
return false;
}

}
------------------------------------
Action类

public ActionForward insertEmail(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) {
EmaiForm emaiForm = (EmaiForm) form;// TODO Auto-generated method stub
String emailfrom = emaiForm.getEmailfrom();
String emailto = emaiForm.getEmailto();
String emailtitle = emaiForm.getEmailtitle();
String emailcontent = emaiForm.getEmailcontent();
/*
* addEmail 添加的方法
* List 添加后要返回一个集合
*/
if(emailDAO.addEmail(emailfrom, emailto, emailtitle, emailcontent)){
List email = emailDAO.readAllEmail();//把添加后的结果显示出来调用这个方法
emaiForm.setList(email);
return mapping.findForward("emailpage");
}else{
return mapping.findForward("errorpage");
}
}
public ActionForward deleteEmail(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) {
EmaiForm emaiForm = (EmaiForm) form;// TODO Auto-generated method stub
int emailId =Integer.parseInt(request.getParameter("emailId"));
/*
* deleteE 删除的方法
* List 删除后要返回一个集合
*/
if(emailDAO.deleteE(emailId)){
List email = emailDAO.readAllEmail();//删除后要把删除后的结果显示出来
emaiForm.setList(email);
return mapping.findForward("emailpage");
}else{
return mapping.findForward("errorpage");
}

}
--------------------------------------
配置文件
<beans>
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
<property name="driverClassName">
<value>net.sourceforge.jtds.jdbc.Driver</value>
</property>
<property name="url">
<value>jdbc:jtds:sqlserver://127.0.0.1:1433/pubs</value>
</property>
<property name="username">
<value>sa</value>
</property>
</bean>
<bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource">
<ref local="dataSource"/>
</property>
<property name="mappingResources">
<list>
<value>/hib/UserInfo.hbm.xml</value>
<value>/hib/EmailInfo.hbm.xml</value>
<value>/hib/FJInfo.hbm.xml</value>
</list>
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">org.hibernate.dialect.SQLServerDialect</prop>
<prop key="hibernate.show_sql">true</prop>
</props>
</property>
</bean>
<bean id="transactionManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">
<property name="sessionFactory">
<ref local="sessionFactory"/>
</property>
</bean>
<bean id="userDAO" class="com.wu.dao.UserDAOImp">
<property name="sessionFactory">
<ref local="sessionFactory"/>
</property>
</bean>
<bean id="userDAOProxy" class="org.springframework.transaction.interceptor.TransactionProxyFactoryBean">
<property name="transactionManager">
<ref bean="transactionManager"/>
</property>
<property name="target">
<ref local="userDAO"/>
</property>
<property name="transactionAttributes">
<props>
<prop key="insert*">PROPAGATION_REQUIRED</prop>
<prop key="get*">PROPAGATION_REQUIRED,readOnly</prop>
<prop key="check*">PROPAGATION_REQUIRED,readOnly</prop>
</props>
</property>
</bean>
<bean id="emailDAO" class="com.wu.dao.EmailDAOImp">
<property name="sessionFactory">
<ref local="sessionFactory"/>
</property>
</bean>
<bean id="emailDAOProxy" class="org.springframework.transaction.interceptor.TransactionProxyFactoryBean">
<property name="transactionManager">
<ref bean="transactionManager"/>
</property>
<property name="target">
<ref local="emailDAO"/>
</property>
<property name="transactionAttributes">
<props>
<prop key="insert*">PROPAGATION_REQUIRED</prop>
<prop key="get*">PROPAGATION_REQUIRED,readOnly</prop>
<prop key="add*">PROPAGATION_REQUIRED</prop>
<prop key="delete*">PROPAGATION_REQUIRED</prop>
<prop key="read*">PROPAGATION_REQUIRED,readOnly</prop>
</props>
</property>
</bean>
<bean name="/login" class="com.wu.struts.action.LoginAction">
<property name="userDAO">
<ref bean="userDAOProxy"/>
</property>
</bean>
<bean name="/emai" class="com.wu.struts.action.EmaiAction">
<property name="emailDAO">
<ref bean="emailDAOProxy"/>
</property>
</bean>
</beans>
---------------------------
循环显示页面
<table width="80%" border="1" bgcolor="#ffcc88">
<tr>
<td>emailId</td>
<td>emailfrom</td>
<td>emailto</td>
<td>emailtitle</td>
<td>emailcontent</td>
<td>delete</td>
</tr>
<logic:present name="emaiForm">
<logic:iterate id="emai" name="emaiForm" property="list" type="hib.EmailInfo">
<tr>
<td><bean:write name="emai" property="emailId"/></td>
<td><bean:write name="emai" property="emailfrom"/></td>
<td><bean:write name="emai" property="emailto"/></td>
<td><bean:write name="emai" property="emailtitle"/></td>
<td><bean:write name="emai" property="emailcontent"/></td>
<td><a href="/TestEmail/emai.do?method=deleteEmail&emailId=<%=emai.getEmailId()%>" onclick="return confirm('Y/N');">Delete</a></td>
</tr>
</logic:iterate>
</logic:present>
</table>
【无人机】基于改进粒子群算法的无人机路径规划研究[和遗传算法、粒子群算法进行比较](Matlab代码实现)内容概要:本文围绕基于改进粒子群算法的无人机路径规划展开研究,重点探讨了在复杂环境中利用改进粒子群算法(PSO)实现无人机三维路径规划的方法,并将其与遗传算法(GA)、标准粒子群算法等传统优化算法进行对比分析。研究内容涵盖路径规划的多目标优化、避障策略、航路点约束以及算法收敛性和寻优能力的评估,所有实验均通过Matlab代码实现,提供了完整的仿真验证流程。文章还提到了多种智能优化算法在无人机路径规划中的应用比较,突出了改进PSO在收敛速度和全局寻优方面的优势。; 适合人群:具备一定Matlab编程基础和优化算法知识的研究生、科研人员及从事无人机路径规划、智能优化算法研究的相关技术人员。; 使用场景及目标:①用于无人机在复杂地形或动态环境下的三维路径规划仿真研究;②比较不同智能优化算法(如PSO、GA、蚁群算法、RRT等)在路径规划中的性能差异;③为多目标优化问题提供算法选型和改进思路。; 阅读建议:建议读者结合文中提供的Matlab代码进行实践操作,重点关注算法的参数设置、适应度函数设计及路径约束处理方式,同时可参考文中提到的多种算法对比思路,拓展到其他智能优化算法的研究与改进中。
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