在java中調用儲存函數

在java語言中調用oracle的儲存函數

儲存函數：

Createor replace function selectemp2(eid in number,empname out varchar,empsal outnumber)

Returnnumber

As

Begin

Selectename,sal into empname,empsal from emp where empno=eid;

Returnempsal*1.2;

End;

Java程序

importjava.sql.CallableStatement;

importjava.sql.Connection;

importjava.sql.DriverManager;

importjava.sql.ResultSet;

importjava.sql.SQLException;

 

importoracle.jdbc.OracleCallableStatement;

 

publicclass TestOracle {

 

   private static Connection conn;

 

   static {

      try {

        // 第一步：加載驅動

        Class.forName("oracle.jdbc.driver.OracleDriver");

        // 得到連接對象

        conn = DriverManager.getConnection(

              "jdbc:oracle:thin:@localhost:1521:orcl","test", "test");

      } catch (ClassNotFoundException e) {

        // TODO Auto-generated catch block

        e.printStackTrace();

      } catch (SQLException e) {

        // TODO Auto-generated catch block

        e.printStackTrace();

      }

 

   }

publicstatic void main(String[] args) throws SQLException{

     

      // 參數 in out參數 通過站位符號rowType類型

      CallableStatement cas =conn.prepareCall("{call selectemp1(?,?,?)}");

     

      cas.registerOutParameter(1,oracle.jdbc.OracleTypes.NUMBER);

cas.setInt(2,7369)

         cas.registerOutParameter(3,oracle.jdbc.OracleTypes.VARCHAR);

   cas.registerOutParameter(4, oracle.jdbc.OracleTypes.NUMBER);

      // 執行操作 Resulset rs rs true |false

      cas.execute();

      int annualSal=cas.getInt(3);

      String name=cas.getString();

      Int sal=cas.getInt(4);

     

      System.out.println(annualSal);

System.out.println(name);

System.out.println(sal);

   }