oracle pl/sql之在java中怎麼調用oracle函數

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建立函數:

create or replace function my_fun(in_no in number) return varchar2 is
out_name varchar2(64);
begin
select ename into out_name from emp where emp.empno=in_no;
return out_name;
end my_fun;

 

java程式示範:

 

import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Types;


public class JavaCallMath {
public static void main(String[] args) {
  String driver="oracle.jdbc.driver.OracleDriver";
  String url="jdbc:oracle:thin:@127.0.0.1:1521:orcl";
  String user="scott";
  String password="ztoracle";
  try {
    Class.forName(driver);
    Connection c=DriverManager.getConnection(url, user, password);
    CallableStatement cs=c.prepareCall("{?=call my_fun(?)}");
    cs.setInt(2, 9527);
  cs.registerOutParameter(1, Types.VARCHAR);
  cs.execute();
  System.out.println(cs.getString(1));
} catch (ClassNotFoundException e) {
throw new RuntimeException();
} catch (SQLException e) {

}
}

}

 

oracle pl/sql之在java中怎麼調用oracle函數

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