概述
直接上代码
1.项目目录
导入jar包
2.Product.java
package com.pojo;
public class Product {
private Integer id;
private String name;
private float price;
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public float getPrice() {
return price;
}
public void setPrice(float price) {
this.price = price;
}
}
Product映射文件Product.hbm.xml
<?xml version="1.0" encoding="UTF-8"?>
<!-- 引入Hibernate映射文件约束 -->
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
<hibernate-mapping package="com.pojo">
<class name="Product" table="product_">
<id name="id" type="java.lang.Integer">
<column name="id"></column>
<generator class="native"></generator>
</id>
<property name="name" type="java.lang.String"></property>
<property name="price" type="float"></property>
</class>
</hibernate-mapping>
持久化层:接口类ProductDao.java
package com.dao;
import java.util.List;
import com.pojo.Product;
public interface ProductDao {
public List<Product> list();
public void add(Product p);
}
持久化层:ProductDao接口实现类ProductDaoImpl.java
package com.dao.impl;
import java.util.List;
import org.springframework.orm.hibernate3.HibernateTemplate;
import com.dao.ProductDao;
import com.pojo.Product;
public class ProductDaoImpl extends HibernateTemplate implements ProductDao {
@Override
public List<Product> list() {
return find("from Product");
}
@Override
public void add(Product p) {
save(p);
}
}
业务逻辑层:接口ProductService.java
package com.service;
import java.util.List;
import com.pojo.Product;
public interface ProductService {
public List<Product> list();
}
业务逻辑层:接口ProductService实现类ProductServiceImpl.java
package com.service.impl;
import java.util.List;
import com.dao.ProductDao;
import com.pojo.Product;
import com.service.ProductService;
public class ProductServiceImpl implements ProductService{
ProductDao productDao;
public ProductDao getProductDao() {
return productDao;
}
public void setProductDao(ProductDao productDao) {
this.productDao = productDao;
}
@Override
public List<Product> list() {
List<Product> products= productDao.list();
if(products.isEmpty()){
for (int i = 0; i < 5; i++) {
Product p = new Product();
p.setName("product " + i);
productDao.add(p);
products.add(p);
}
}
return products;
}
}
控制层:ProductAction.java
package com.action;
import java.util.List;
import com.pojo.Product;
import com.service.ProductService;
public class ProductAction {
private ProductService productService;
private List<Product> products;
public ProductService getProductService() {
return productService;
}
public void setProductService(ProductService productService) {
this.productService = productService;
}
public List<Product> getProducts() {
return products;
}
public void setProducts(List<Product> products) {
this.products = products;
}
public String list() {
products = productService.list();
return "listJsp";
}
}
struts配置文件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>
<constant name="struts.i18n.encoding" value="UTF-8"></constant>
<!-- 在struts.xml中指定objectFactory对象工厂为spring,即action的创建交由spring进行 -->
<constant name="struts.objectFactory" value="spring"/>
<package name="action1" extends="struts-default">
<action name="listProduct" class="productActionBean" method="list">
<result name="listJsp">list.jsp</result>
</action>
</package>
</struts>
hibernate配置文件hibernate.cfg.xml
<?xml version="1.0" encoding="UTF-8"?>
<!-- DTD是约束,可以在核心包里面找 -->
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
<!-- Database connection settings:在applicationContext.xml文件中已经交给Spring管理了-->
<!-- <property name="connection.driver_class">com.mysql.jdbc.Driver</property>
<property name="connection.url">jdbc:mysql://localhost:3306/test?characterEncoding=UTF-8</property>
<property name="connection.username">root</property>
<property name="connection.password">admin</property> -->
<!-- hibernate的配置信息 -->
<!-- 配置数据库的方言,根据底层的数据库生成不同的SQL -->
<property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property>
<!-- 配置显示SQL -->
<property name="hibernate.show_sql">true</property>
<!-- 配置格式化SQL -->
<property name="hibernate.format_sql">true</property>
<!-- 配置hbm2ddl -->
<property name="hibernate.hbm2ddl.auto">update</property>
<!-- 加载映射文件 :在applicationContext.xml文件中已经指定了-->
<!-- <mapping resource="an/pojo/Person.hbm.xml" /> -->
</session-factory>
</hibernate-configuration>
spring配置文件applicationContext.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:tx="http://www.springframework.org/schema/tx"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.0.xsd">
<!-- 1_1.DataSource(注入到1_2) -->
<bean name="ds" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<property name="driverClassName" value="com.mysql.jdbc.Driver" />
<property name="url" value="jdbc:mysql://localhost:3306/how2java?characterEncoding=UTF-8" />
<property name="username" value="root" />
<property name="password" value="admin" />
</bean>
<!-- 1_2.SessionFactory(注入到1) -->
<bean name="sf" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource" ref="ds"/>
<!-- 下面三个属性属于hibernate的配置属性 -->
<!-- 自动建表失效的情况下 -->
<property name="schemaUpdate">
<value>true</value>
</property>
<property name="hibernateProperties" value="classpath:hibernate.cfg.xml"></property>
<property name="mappingResources">
<list>
<value>com/pojo/Product.hbm.xml</value>
</list>
</property>
</bean>
<!-- 1.ProductDaoImpl -->
<bean name="productDaoImpl" class="com.dao.impl.ProductDaoImpl">
<property name="sessionFactory" ref="sf" />
</bean>
<!-- 2.ProductDaoImpl -->
<bean name="productServiceImpl" class="com.service.impl.ProductServiceImpl">
<property name="productDao" ref="productDaoImpl" />
</bean>
<!-- 3.ProductAction -->
<bean name="productActionBean" class="com.action.ProductAction">
<property name="productService" ref="productServiceImpl" />
</bean>
</beans>
web.xml(配置struts2的过滤器、spring的监听器)
<web-app>
<!-- 1.配置struts2的过滤器 -->
<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>
<dispatcher>FORWARD</dispatcher>
<dispatcher>REQUEST</dispatcher>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!-- spring配置文件对应的参数,如果applicationContext.xml放在/WEB-INF/目录下,可以忽略;若不是,则需要配置 -->
<!-- <context-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/applicationContext-*.xml,classpath*:applicationContext-*.xml</param-value>
</context-param> -->
<!-- 2.配置Spring的监听器 -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
</web-app>
index.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<a href="listProduct">index</a>
</body>
</
list.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8" isELIgnored="false"%>
<%@ taglib prefix="s" uri="/struts-tags" %>
<%@page isELIgnored="false"%>
<table>
<tr>
<td>id</td>
<td>name</td>
</tr>
<s:iterator value="products" var="p">
<tr>
<td>${p.id}</td>
<td>${p.name}</td>
</tr>
</s:iterator>
</table>
测试:运行index.jsp,点击超链接,跳转
注意:mysql数据库使用正确的用户名及密码,且使用mysql创建对应的数据库,表自动创建
关键点1:
关键点2:
思路图
1. 运行index.jsp——》访问路径/listProduct
2. web.xml中的过滤器会将请求交由struts进行处理
3. struts根据listProduct创建对应的productActionBean
此时productActionBean不再由Struts自己创建,而是由Spring创建
4. spring根据applicationContext.xml创建productActionBean对应的对象ProductAction
5. Spring 创建ProductAction的时候 注入Service
6. 创建Service的时候注入DAO
7. Struts 调用ProductAction的list方法
8. 在list方法中调用注入好的dao,访问数据库,查询结果
9. 跳转到list.jsp显示数据
思路图来源于:http://how2j.cn/k/ssh/ssh-integrationtest/100.html
最后
以上就是彪壮大侠为你收集整理的struts2+spring+hibernate整合的全部内容,希望文章能够帮你解决struts2+spring+hibernate整合所遇到的程序开发问题。
如果觉得靠谱客网站的内容还不错,欢迎将靠谱客网站推荐给程序员好友。
发表评论 取消回复