Wu Yuxiong - natural born JAVA Database Programming: CallableStatement Interface

DELIMITER //  
the DROP PROCEDURE MyProc //     - deletion process 
the CREATE PROCEDURE MyProc (the IN P1 int , P2 INOUT int , OUT P3 int ) 
the BEGIN 
    the SELECT p1, p2, p3;         - output p1, p2, p3 content of 
    the SET P1 = 10 ; 
    the SET P2 = 20 is ; 
    the SET P3 = 30 ; 
the END 
//
 
DELIMITER; 
the SET @ X1 = 70; - definition of variables x1, content 70 
the SET @ X2 = 80; - definition of variables x2, content 80 
the CALL MyProc (@ X1, X2 @, @ X3); 
the SELECT @ X1, X2 @, @ X3;

Import the java.sql.Connection;
 Import the java.sql.DriverManager;
 Import java.sql.SQLException;
 Import java.sql.CallableStatement Sets;
 Import the java.sql.Types;
 public  class ProcDemo {
     // database driver defines the MySQL 
    public  static  Final dbDriver = String "the org.gjt.mm.mysql.Driver" ;
     // connect MySQL database address defines 
    public  static  Final String dburl = "JDBC: MySQL: // localhost: 3306 / MLDN" ;
     // connecting user MySQL database name 
    public  static  Final String DBUSER = "root";
     // connection password MySQL database 
    public  static  Final String = DBPASS in "mysqladmin" ;
     public  static  void main (String args []) throws Exception {     // all exceptions thrown 
        Connection Conn = null ;         // database connection 
        CallableStatement cstmt = null ;         // database operation 
        String SQL = "{MyProc the cALL (,,???)}";     // call procedure 
        the Class.forName (dbDriver);     // load drivers 
        conn =The DriverManager.getConnection (dburl, with DBUSER, DBPASS in); 
        cstmt = conn.prepareCall (SQL); 
        cstmt.setInt ( 1,70);     // set the first parameter is 70 
        cstmt.setInt (2,80);     // Set the second parameter is 80 
        cstmt.registerOutParameter (2 , Types.INTEGER); 
        cstmt.registerOutParameter ( . 3 , Types.INTEGER); 
        cstmt.execute ();         // execution 
        System.out.println ( "INOUT return value: "+ cstmt.getInt (2 )); 
        System.out.println ( " OUT return value: "+ cstmt.getInt (. 3 )); 
        cstmt.close (); 
        conn.Close ();            // close the database 
    } 
};