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12年前发布

Hibernate 调用存储过程

-------存储过程              create procedure insertEmp              @emName varchar(50),              @emAge int             as             begin               insert into employee values(@emName,@emAge);              end                          create procedure updateEmp              @emId int,              @emName varchar(50),              @emAge int             as             begin               update employee set emName=@emName,emAge=@emAge where emId=@emId;              end                          create procedure deleteEmp              @emId int             as             begin               delete employee where emId=@emId;              end                          create procedure getEmpList              as             begin               select * from employee              create procedure insertEmp              @emName varchar(50),              @emAge int             as             begin               insert into employee values(@emName,@emAge);              end                          create procedure updateEmp              @emId int,              @emName varchar(50),              @emAge int             as             begin               update employee set emName=@emName,emAge=@emAge where emId=@emId;              end                          create procedure deleteEmp              @emId int             as             begin               delete employee where emId=@emId;              end                          create procedure getEmpList              as             begin               select * from employee  
<?xml version="1.0" encoding="utf-8"?>               <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"               "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">               <!--               Mapping file autogenerated by MyEclipse Persistence Tools           -->               <hibernate-mapping>                   <class name="com.pojo.Employee" table="employee" catalog="master">                       <id name="emId" type="java.lang.Integer">                           <column name="emId" />                           <generator class="native" />                       </id>                       <property name="emName" type="java.lang.String">                           <column name="emName" length="20" />                       </property>                       <property name="emAge" type="java.lang.Integer">                           <column name="emAge" />                       </property>                   </class>                      <!--    在该文件中需注意<sql-query…></sql-query>中的这段代码,调用的存储过程在其中定义,                      并定义了调用存储过程后将记录组装成Emp对象,同时对记录的字段与对象的属性进行相关映射。 -->                      <sql-query name="getEmpList" callable="true">                          <!--别名-->                          <return alias="employee" class="com.pojo.Employee">                             <return-property name="emId" column="emId" />                             <return-property name="emName" column="emName" />                             <return-property name="emAge" column="emAge" />                          </return>                          <!--这里调用查询的存储过程-->                           {call getEmpList}                     </sql-query>               </hibernate-mapping> 
// 测试实现查询的存储过程                   private void testProcQuery(Session session) throws Exception {                      // 查询用户列表                      List list = session.getNamedQuery("getEmpList").list();                      for (int i = 0; i < list.size(); i++) {                          Employee em = (Employee) list.get(i);                          System.out.print("序号: " + (i + 1));                          System.out.print(", emid: " + em.getEmId());                          System.out.print(", emname: " + em.getEmName());                          System.out.println(",emage: " + em.getEmAge());                      }                   }                                private void testProcUpdate(Session session) throws Exception {                      // 更新用户信息                      Transaction tx = session.beginTransaction();                      Connection con = session.connection();                      String procedure = "{call updateEmp(?, ?, ?)}";                      CallableStatement cstmt = con.prepareCall(procedure);                      cstmt.setInt(1, 2);                      cstmt.setString(2, "ddd");                      cstmt.setInt(3, 100);                      cstmt.executeUpdate();                      tx.commit();                   }                                // 测试实现插入的存储过程                   private void testProcInsert(Session session) throws Exception {                      // 创建用户信息                      session.beginTransaction();                      PreparedStatement st = session.connection().prepareStatement(                             "{call insertEmp(?,?)}");                      st.setString(1, "阿蜜果");                      st.setInt(2, 12);                      st.execute();                      session.getTransaction().commit();                   }                                // 测试实现删除的存储过程                   private void testProcDelete(Session session) throws Exception {                      // 删除用户信息                      session.beginTransaction();                      PreparedStatement st = session.connection().prepareStatement(                             "{call deleteEmp(?)}");                      st.setInt(1, 1);                      st.execute();                      session.getTransaction().commit();                   }                                public static void main(String[] args) throws Exception {                     ProTest pt=new ProTest();                     Session session=HibernateSessionFactory.getSession();                     pt.testProcQuery(session);                     //pt.testProcInsert(session);                      //pt.testProcDelete(session);                     //pt.testProcUpdate(session);                   }                            --------------   得到输出参数 ------------------                   public String countFeeByHand(final Date startTime, final String operBizId)                           throws DataAccessException {                       String destroyFee = (String) this.getHibernateTemplate().execute(                       new HibernateCallback() {                           public Object doInHibernate(Session session)                                   throws HibernateException, SQLException {                               CallableStatement cs = session.connection().prepareCall(                                       "{call MANUAL_USER_SETTLEMENT(?,?,?,?)}");// 存储过程调用有错误                               cs.setString(1, DateTools.getYearMonthString(startTime));                               cs.setString(2, operBizId);                               cs.registerOutParameter(3, Types.INTEGER);                               cs.registerOutParameter(4, Types.CHAR);                               cs.execute();                               return cs.getString(4);   //得到输出参数                           }                       });                       return destroyFee;                   }         

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Hibernate 持久层框架