java读取oracle的存储过程

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java读取oracle的存储过程网上的例子不少,都太简单,没有一个返回参考游标的,返回记录集,自己写一个怕日后忘了。

oracle的PLSQL

CREATE OR REPLACE package chapter_13 as
 TYPE rs IS REF CURSOR ;
procedure founder(oFields out rs);

end;

CREATE OR REPLACE package body chapter_13 as

PROCEDURE founder(oFields out rs) IS
BEGIN
  open oFields for
   select * from person;
END founder;
end;
java代码

package jdbc;

import java.io.*;
import java.sql.*;
import java.text.*;
import oracle.jdbc.OracleTypes;

public class TestStoredProcedures {
    Connection conn;

    public TestStoredProcedures() {
        try {
            DriverManager.registerDriver(new oracle.jdbc.driver.OracleDriver());
            conn = DriverManager.getConnection(
                    "jdbc:oracle:thin:@localhost:1521:orcl", "jola", "jola");
        } catch (SQLException e) {
            System.err.println(e.getMessage());
            e.printStackTrace();
        }
    }

    public static void main(String[] args) throws Exception {
        new TestStoredProcedures().process();
    }

    public void process() throws SQLException {
        
        long start = 0;
        long end = 0;
        CallableStatement cstmt = null;

        try {
            start = System.currentTimeMillis();

            // *** SQL92 escape syntax ***

            
            cstmt = conn.prepareCall(
                    "{call  chapter_13.founder(?)}");
            cstmt.registerOutParameter(1, OracleTypes.CURSOR);
            ResultSet rs = null;

            cstmt.execute();
             rs = (ResultSet)cstmt.getObject(1);
            while (rs.next()) {
                System.out.println(rs.getString("NAME"));
            }
            rs.close();

            end = System.currentTimeMillis();
            System.out.println("Average elapsed time = " +
                               (end - start) / 8 + " milliseconds");
        } catch (SQLException e) {
            System.err.println("SQL Error: " + e.getMessage());
        } finally {
            if (cstmt != null) {
                try {
                    cstmt.close();
                } catch (SQLException ignore) {}
            }
        }
    }

    protected void finalize() throws Throwable {
        if (conn != null) {
            try {
                conn.close();
            } catch (SQLException ignore) {}
        }
        super.finalize();
    }
}

 

 
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