- SQL代码
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; 2. 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();
}
}
本文介绍了一个使用Java调用Oracle数据库存储过程的具体示例。该存储过程用于从person表中检索所有记录,并通过Java应用程序进行展示。文章展示了如何建立数据库连接、准备并执行调用语句,以及如何处理返回的游标结果。

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