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  • Hibernate 执行原始SQL语句

    hibernate中有时不需要用到表的映射,需要直接执行SQL语句。

    其中sessionFactory在配置文件中配置,SSH详细配置见http://blog.csdn.NET/xumengxing/article/details/8586012

    在dao层中定义两个常见函数用于查询和执行操作。

    dao代码如下:

     
    package com.hsinghsu.testSSH.dao.impl;    
        
    import java.util.List;    
        
    import javax.annotation.Resource;    
        
    import org.hibernate.SQLQuery;    
    import org.hibernate.Session;    
    import org.hibernate.SessionFactory;    
    import org.springframework.stereotype.Repository;    
        
    import com.hsinghsu.testSSH.dao.BaseDao;    
        
    @Repository(value = "baseDao")    
    public class BaseDaoImpl implements BaseDao {    
        
        @Resource(name = "sessionFactory")    
        private SessionFactory sessionFactory;    
        
        public Session getSession() {    
            return sessionFactory.getCurrentSession();    
        }    
        
        public List queryBySql(String sql) {    
            List<Object[]> list = getSession().createSQLQuery(sql).list();    
            return list;    
        }    
            
        public int excuteBySql(String sql)    
        {    
            int result ;    
            SQLQuery query = this.getSession().createSQLQuery(sql);    
            result = query.executeUpdate();    
            return result;    
        }    
        
    }    

    service代码如下:

    package com.hsinghsu.testSSH.service.impl;    
        
    import java.util.List;    
        
    import org.springframework.beans.factory.annotation.Autowired;    
    import org.springframework.stereotype.Service;    
        
    import com.hsinghsu.testSSH.dao.BaseDao;    
    import com.hsinghsu.testSSH.service.BaseService;    
        
    @Service(value = "baseService")    
    public class BaseServiceImpl implements BaseService {    
        @Autowired    
        private BaseDao baseDao;    
        
        public List queryBySql(String sql) {    
            List<Object[]> list = baseDao.queryBySql(sql);    
            return list;    
        }    
            
        public int excuteBySql(String sql){    
            return baseDao.excuteBySql(sql);    
        }    
    }    

    测试代码如下:

    package com.hsinghsu.testSSH.service;    
        
    import static org.junit.Assert.assertNotNull;    
    import static org.junit.Assert.assertTrue;    
        
    import java.util.List;    
        
    import org.junit.Test;    
    import org.springframework.beans.factory.annotation.Autowired;    
        
    import com.hsinghsu.testSSH.SpringTestBase;    
        
    public class BaseServiceTest  extends SpringTestBase{    
        @Autowired    
        private BaseService baseService;    
            
        @Test    
        public void testConfig() {    
             assertNotNull(baseService);    
             assertTrue(baseService != null);    
        }    
            
        @Test    
        public void testQueryBySql()    
        {    
            String sql = "select * from T_TEST_USER WHERE SEX = 1";    
            List<Object[]> list = baseService.queryBySql(sql);    
            System.out.println("---"+list.size());    
            for(Object[] obj :list)    
            {    
                System.out.println(obj[0]+" -- "+ obj[1]+" -- "+obj[2]);    
            }    
        }    
            
        @Test    
        public void testExcuteBySql()    
        {    
    //      String sql = "UPDATE T_TEST_USER SET NAME = 'GSS09', PWD = 'GG007', AGE = 24, SEX = 1 WHERE ID = 6";    
    //      String sql = "UPDATE T_TEST_USER SET NAME = 'GSS29', PWD = 'GG007' WHERE ID = 6";    
    //      String sql = "insert into T_TEST_USER(ID,NAME,PWD,AGE,SEX) values(7,'gogo08','gogopwd08',24,1)";    
            String sql = "delete from T_TEST_USER where ID = 7";    
        
            int result = baseService.excuteBySql(sql);    
            System.out.println("---009:"+result);    
        }    
               
    }    
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  • 原文地址:https://www.cnblogs.com/xinxin1994/p/6106823.html
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