Spring4.0+Hibernate4.0+Struts2.3整合包括增删改查案例,解决整合中出现的异常
源码下载:http://download.csdn.net/detail/cmcc_1234/7034775
======================Application.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:p="http://www.springframework.org/schema/p"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-4.0.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-4.0.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-4.0.xsd">
<!-- 自动扫描所有注解该路径 -->
<context:component-scan base-package="com.s4s2h4.*" />
<bean id="dataSource"
class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<property name="driverClassName"
value="com.microsoft.sqlserver.jdbc.SQLServerDriver">
</property>
<property name="url"
value="jdbc:sqlserver://192.168.1.157;instanceName=eqmis;DatabaseName=db_easyui">
</property>
<property name="username" value="sa"></property>
<property name="password" value="1.0"></property>
</bean>
<bean id="sessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
<property name="dataSource">
<ref bean="dataSource" />
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">
org.hibernate.dialect.SQLServerDialect
</prop>
<!--Spring 3.x 对 Hibernate 4.x 不提供 HibernateDaoSupport,所以在dao的实现层注入SessionFactory -->
<prop key="hibernate.current_session_context_class">org.springframework.orm.hibernate4.SpringSessionContext</prop>
<!--注意:Spring3.x不能为thread,否则报错:org.hibernate.HibernateException: save is not valid without active transaction ,
以上配置在 增加、删除、修改 操作时,都能正确执行,事务也正常执行!
当执行 查询 操作时,不需要事务的支持,问题来了,报错:org.hibernate.HibernateException: No Session found for current thread
意思是必须在transcation.isActive()条件下才能执行,
可以解决办法是:当方法不需要事务支持的时候,使用 Session session = sessionFactory.openSession()来获得Session对象,问题解决!
-->
<!-- <prop key="hibernate.current_session_context_class">thread</prop> -->
<prop key="hibernate.show_sql">true</prop>
</props>
</property>
<property name="mappingResources">
<list>
<value>com/s4s2h4/services/entity/Down.hbm.xml</value>
<value>com/s4s2h4/services/entity/Menu.hbm.xml</value>
</list>
</property>
</bean>
<bean id="transactionManager" class="org.springframework.orm.hibernate4.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory" />
</bean>
<!-- 事物通知 -->
<tx:advice id="txAdvice" transaction-manager="transactionManager">
<tx:attributes>
<tx:method name="sav*" propagation="REQUIRED" rollback-for="Exception"/> <!-- rollback-for回滚事物,果存在一个事务,则支持当前事务。如果没有事务则开启 -->
<tx:method name="del*" propagation="REQUIRED" rollback-for="Exception"/>
<tx:method name="add*" propagation="REQUIRED" rollback-for="Exception"/>
<tx:method name="upd*" propagation="REQUIRED" rollback-for="Exception"/>
<tx:method name="qry*" propagation="NOT_SUPPORTED" read-only="true"/>
<tx:method name="*" propagation="NOT_SUPPORTED" read-only="true"/>
</tx:attributes>
</tx:advice>
<!-- 事物切入 -->
<aop:config proxy-target-class="true">
<aop:pointcut id="cut"
expression="execution(* com.s4s2h4.services.impl.*.*(..))" />
<aop:advisor advice-ref="txAdvice" pointcut-ref="cut" />
</aop:config>
</beans>
======================web.xml================================
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" version="2.5">
<display-name></display-name>
<welcome-file-list>
<welcome-file>index</welcome-file>
</welcome-file-list>
<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>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext.xml</param-value>
</context-param>
</web-app>
============================dao=============================
package com.s4s2h4.dao.impl;
import java.util.List;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;
import com.s4s2h4.dao.BaseDao;
@Repository("BaseDao")
public class BaseDaoImpl<T> implements BaseDao<T> {
// Spring 3.x 对 Hibernate 4.x 不提供
// HibernateDaoSupport,所以在dao的实现层注入SessionFactory
private SessionFactory sessionFactory;
@Autowired
public void setSessionFactory(SessionFactory sessionFactory) {
this.sessionFactory = sessionFactory;
}
public Session getCurrentSession() {
return sessionFactory.getCurrentSession();// 增删改使用的session
}
public Session qryCurrentSesion() {
return sessionFactory.openSession();// 查询使用的session
}
@SuppressWarnings("unchecked")
public List<T> qryInfo(String hql) {
return this.qryCurrentSesion().createQuery(hql).list();
}
@SuppressWarnings("unchecked")
public List<T> qryInfo(String hql, Object[] param) {
Query qry = this.qryCurrentSesion().createQuery(hql);
setQueryParams(qry, param);
return qry.list();
}
public void Delete(T cls) {
// 把脱管实例的状态复制到新实例,否则有时异常:illegally attempted to associate a proxy with
// two open Sessions
Object obj = this.getCurrentSession().merge(cls);
this.getCurrentSession().delete(obj);
}
public void upd(T cls) {
this.getCurrentSession().update(cls);
}
public void add(T cls) {
this.getCurrentSession().saveOrUpdate(cls);
}
public void setQueryParams(Query qry, Object[] params) {
if (params != null) {
for (int i = 0; i < params.length; i++) {
qry.setParameter(i, params[i]);
}
}
}
}
===========================Services===========================
package com.s4s2h4.services.impl;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.List;
import java.util.UUID;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.s4s2h4.dao.BaseDao;
import com.s4s2h4.services.TestServices;
import com.s4s2h4.services.entity.Down;
@Service("TestServices")
public class TestServicesImpl implements TestServices {
@SuppressWarnings("rawtypes")
@Autowired
private BaseDao baseDao;
@SuppressWarnings("unchecked")
public List<Down> qryKcsp() {
return baseDao.qryInfo("from Down");
}
@SuppressWarnings("unchecked")
public String del(String result) {
try {
Down down = (Down) baseDao.qryInfo("from Down where aguid=?",
new Object[] { result }).get(0);
baseDao.Delete(down);
return "success";
} catch (Exception e) {
e.printStackTrace();
return e.getMessage();
}
}
@SuppressWarnings("unchecked")
public void add(Down down) {
Down d = new Down();
d.setAguid(UUID.randomUUID().toString());
d.setAname(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss")
.format(new Date()));
baseDao.add(d);
}
@SuppressWarnings("unchecked")
public void upd(Down down) {
Down down2 = (Down) baseDao.qryInfo("from Down where aguid=?",
new Object[] { down.getAguid() });
down2.setAname(down.getAname());
baseDao.upd(down2);
}
}
===========================action=============================
package com.s4s2h4.action;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import org.apache.struts2.interceptor.ServletRequestAware;
import org.springframework.beans.factory.annotation.Autowired;
import com.opensymphony.xwork2.ActionSupport;
import com.s4s2h4.services.TestServices;
import com.s4s2h4.services.entity.Down;
public class TestAction extends ActionSupport implements ServletRequestAware {
@Autowired
TestServices testServices;
List<Down> downs = new ArrayList<Down>();
private HttpServletRequest request;
String result = "";
public String qry() {
downs = testServices.qryKcsp();
return SUCCESS;
}
public String add() {
downs = testServices.qryKcsp();
testServices.add(null);
return SUCCESS;
}
public String del() {
result = testServices.del(result);// "{'id':1}";
return SUCCESS;
}
public List<Down> getDowns() {
return downs;
}
public void setDowns(List<Down> downs) {
this.downs = downs;
}
public String getResult() {
return result;
}
public void setResult(String result) {
this.result = result;
}
public void setServletRequest(HttpServletRequest request) {
this.request = request;
}
public HttpServletRequest getRequest() {
return request;
}
public void setRequest(HttpServletRequest request) {
this.request = request;
}
}
=========================struts.xml========================
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd">
<struts>
<package name="test" extends="struts-default">
<action name="index" class="com.s4s2h4.action.TestAction" method="qry">
<result name="success">/index.jsp</result>
</action>
<action name="add" class="com.s4s2h4.action.TestAction" method="add">
<result name="success" type="redirect">/</result>
</action>
</package>
<!-- struts json-->
<package name="ajax" extends="json-default" >
<action name="del" class="com.s4s2h4.action.TestAction" method="del">
<result type="json">
<param name="root">result</param>
</result>
</action>
</package>
</struts>
============================jsp===============
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@taglib prefix="s" uri="/struts-tags"%>
<%String path=request.getContextPath();%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>My JSP 'index.jsp' starting page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<script type="text/javascript" src="jquery.1.4.2-min.js"></script>
<script type="text/javascript" src="index.js" charset="gbk"></script>
</head>
<body>
<a href="add">添加</a>
<s:iterator value="downs">
<li>
<s:property value="aname" />
<a href="javascript:delinfo('<s:property value="aguid" />')">删除</a>
</li>
</s:iterator>
</body>
</html>
=========================js=========================
function delinfo(aguid){
$.ajax({
type:"post",
url:"s4s2h4/del",
data:"result="+aguid,
success:function(msg){
if(msg=="success"){
window.location.href=window.location.href;
}else{
alert("删除失败:"+msg);
}
}
,error:function(){
alert("error");
}
});
}