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example 1: /* * This sample shows how to call a PL/SQL stored procedure using the SQL92 * syntax. See also the other sample PLSQL.java. */ import java.sql.*; import java.io.*; class PLSQLExample { public static void main (String args []) throws SQLException, IOException { // Load the driver DriverManager.registerDriver(new oracle.jdbc.driver.OracleDriver()); String url = "jdbc:oracle:oci8:@"; try { String url1 = System.getProperty("JDBC_URL"); if (url1 != null) url = url1; } catch (Exception e) { // If there is any security exception, ignore it // and use the default } // Connect to the database Connection conn = DriverManager.getConnection (url, "scott", "tiger"); // Create a statement Statement stmt = conn.createStatement (); // Create the stored function stmt.execute ("create or replace function RAISESAL (name CHAR, raise NUMBER) return NUMBER is begin return raise + 100000; end;"); // Close the statement stmt.close(); // Prepare to call the stored procedure RAISESAL. // This sample uses the SQL92 syntax CallableStatement cstmt = conn.prepareCall ("{? = call RAISESAL (?, ?)}"); // Declare that the first ? is a return value of type Int cstmt.registerOutParameter (1, Types.INTEGER); // We want to raise LESLIE\\\'s salary by 20,000 cstmt.setString (2, "LESLIE"); // The name argument is the second ? cstmt.setInt (3, 20000); // The raise argument is the third ? // Do the raise cstmt.execute (); // Get the new salary back int new_salary = cstmt.getInt (1); System.out.println ("The new salary is: " + new_salary); // Close the statement cstmt.close(); // Close the connection conn.close(); } } example 2: /* * Created on 2004-10-12 * * TODO To change the template for this generated file go to * Window - Preferences - Java - Code Style - Code Templates */ /** * @author Jackey * * TODO To change the template for this generated type comment go to * Window - Preferences - Java - Code Style - Code Templates */ /* * This sample can be used to check the JDBC installation. * Just run it and provide the connect information. It will select * "Hello World" from the database. */ // You need to import the java.sql package to use JDBC import java.sql.*; // We import java.io to be able to read from the command line import java.io.*; import oracle.jdbc.OracleTypes; class JdbcCheckup { public static void main(String args[]) throws SQLException, IOException { // Load the Oracle JDBC driver DriverManager.registerDriver(new oracle.jdbc.driver.OracleDriver()); // Prompt the user for connect information System.out.println("Please enter information to test connection to the database"); String user; String password; String database; user = readEntry("user: "); int slash_index = user.indexOf(\\\'/\\\'); if (slash_index != -1) { password = user.substring(slash_index + 1); user = user.substring(0, slash_index); } else password = readEntry("password: "); database = readEntry("database(a TNSNAME entry): "); System.out.print("Connecting to the database..."); System.out.flush(); System.out.println("Connecting..."); Connection conn = DriverManager.getConnection ("jdbc:oracle:oci8:@" + database, user, password); System.out.println("connected."); // Create a statement Statement stmt = conn.createStatement(); // Do the SQL "Hello World" thing ResultSet rset = stmt.executeQuery("select \\\'Hello World\\\' from dual"); while (rset.next()) System.out.println(rset.getString(1)); // close the result set, the statement and connect rset.close(); stmt.close(); System.out.println("Your JDBC installation is correct."); // CallableStatement call = conn.prepareCall("{call Emp_dept_data.Open_cv(?,?)}"); // Find out all the SALES person // call.registerOutParameter (1, OracleTypes.CURSOR); call.registerOutParameter (1 , OracleTypes.CURSOR); call.setInt(2, 1); call.execute (); ResultSet rs = (ResultSet)call.getObject (1); // Dump the cursor while (rs.next ()) System.out.println (rs.getString (1)+"/t"+ rs.getString(2)+"/t"+ rs.getString(3)); rs.close(); call.close(); conn.close(); } // Utility function to read a line from standard input static String readEntry(String prompt) { try { StringBuffer buffer = new StringBuffer(); System.out.print(prompt); System.out.flush(); int c = System.in.read(); while (c != \\\'/n\\\' && c != -1) { buffer.append((char)c); c = System.in.read(); } return buffer.toString().trim(); } catch(IOException e) { return ""; } } } 返回类别: 教程 上一教程: 转－关于多线程 下一教程: Java学习路径（二）书籍篇 您可以阅读与"Java 中调用oracle 的过程"相关的教程: · JSP中调用ORACLE存储过程的小例子 · Java中调用外部命令 · Java中调用外部命令 · Java 调用存储过程 · JAVAMAIL在JSP中调用 |
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