package cn.yxj.beans; import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax.persistence.Id; import javax.persistence.Table; @Entity @Table@Table(name="stock") public class Stock { @Id @GeneratedValue @Column(name="sid" ) private int sid; private String sname; private int count; public int getSid() { return sid; } public void setSid(int sid) { this.sid = sid; } public String getSname() { return sname; } public void setSname(String sname) { this.sname = sname; } public int getCount() { return count; } public void setCount(int count) { this.count = count; } }
Dao層替換 給實現類添加註解便可java
package cn.yxj.dao.impl; import java.io.Serializable; import java.util.List; import org.hibernate.SessionFactory; import org.hibernate.Transaction; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.jdbc.core.support.JdbcDaoSupport; import org.springframework.stereotype.Repository; import cn.yxj.beans.Stock; import cn.yxj.dao.StockDao; @Repository("stockDao") //它用於將數據訪問層(DAO 層 ) 的類標識爲 Spring Bean public class StockDaoImpl implements StockDao{ @Autowired private SessionFactory sessionFactory; //添加股票 public int addStock(Stock stock) { Serializable count = sessionFactory.getCurrentSession().save(stock); return ((Integer)count).intValue(); } public List<Stock> getAllStock() { String sql="from Stock "; List<Stock> list = sessionFactory.getCurrentSession().createQuery(sql).list(); return list; } public SessionFactory getSessionFactory() { return sessionFactory; } public void setSessionFactory(SessionFactory sessionFactory) { this.sessionFactory = sessionFactory; } }
Service層也是替換實現類 使用註解spring
package cn.yxj.service.impl; import java.util.List; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Qualifier; import org.springframework.stereotype.Service; import org.springframework.transaction.annotation.Isolation; import org.springframework.transaction.annotation.Propagation; import org.springframework.transaction.annotation.Transactional; import cn.yxj.beans.Stock; import cn.yxj.beans.StockException; import cn.yxj.dao.StockDao; import cn.yxj.service.StockService; @Service("service") public class StockServiceImpl implements StockService{ //植入Dao對象 @Autowired @Qualifier("stockDao") private StockDao stockDao; @Transactional public int addStock(Stock stock) { return stockDao.addStock(stock); } public List<Stock> getAllStock() { return stockDao.getAllStock(); } public StockDao getStockDao() { return stockDao; } public void setStockDao(StockDao stockDao) { this.stockDao = stockDao; } }
Action層 使用註解sql
package cn.yxj.action; import java.io.UnsupportedEncodingException; import java.util.List; import javax.annotation.Resource; import org.apache.struts2.convention.annotation.Action; import org.apache.struts2.convention.annotation.Namespace; import org.apache.struts2.convention.annotation.ParentPackage; import org.apache.struts2.convention.annotation.Result; import org.springframework.context.annotation.Scope; import org.springframework.stereotype.Controller; import cn.yxj.beans.Stock; import cn.yxj.service.StockService; import com.opensymphony.xwork2.ActionSupport; @Controller @Scope("prototype") @Namespace("/stock") @ParentPackage("struts-default") public class AddStockAction extends ActionSupport{ private Stock stock; //植入Service對象 @Resource private StockService stockService; @Action(value="addStockAction",results={@Result(name="success",location="/addSuccess.jsp")}) public String addStock() throws UnsupportedEncodingException{ //stock.setSname(new String(stock.getSname().getBytes("iso-8859-1"),"utf-8")); int addStock = stockService.addStock(stock); System.out.println("添加股票 "+addStock); return SUCCESS; } public Stock getStock() { return stock; } public void setStock(Stock stock) { this.stock = stock; } public StockService getStockService() { return stockService; } public void setStockService(StockService stockService) { this.stockService = stockService; } }
這裏咱們須要注意applicationContext.xml配置文件中的配置信息apache
引入包掃描器session
<!-- 包掃描器 --> <context:component-scan base-package="cn.yxj"></context:component-scan>
將小配置文件的引入換爲如下形式app
<property name="packagesToScan" value="cn.yxj.beans">
若是用上面的掃描器,咱們必須保證sessionFactory的爲Hibernate5或者爲如下形式jsp
Spring用註解配置事務this
按以上配置配便可spa