• SSH全注解


    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;
        }
    }
    复制代码

    Dao层替换 给实现类添加注解即可

    复制代码
    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")  //它用于将数据访问层(DAO 层 ) 的类标识为 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;
        }
    }
    复制代码

    Service层也是替换实现类 使用注解

    复制代码
    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对象
        @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;
        }
    
    
        
    
    }
    复制代码

    Action层 使用注解

    复制代码
    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对象
        @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;
        }
    
    }
    复制代码

    这里我们需要注意applicationContext.xml配置文件中的配置信息

    引入包扫描器

     <!-- 包扫描器 -->
         <context:component-scan base-package="cn.yxj"></context:component-scan>

    将小配置文件的引入换为以下形式

    <property name="packagesToScan" value="cn.yxj.beans">

    如果用上面的扫描器,我们必须保证sessionFactory的为Hibernate5或者为以下形式

    Spring用注解配置事务

    按以上配置配即可

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  • 原文地址:https://www.cnblogs.com/wdas-87895/p/6694301.html
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