批量插入和更新数据库例子

import java.sql.BatchUpdateException;   
import java.sql.Connection;   
import java.sql.DriverManager;   
import java.sql.ResultSet;   
import java.sql.SQLException;   
import java.sql.Statement;   
  
public class Main {   
  public static void main(String[] args) throws Exception {   
    Connection conn = getMySqlConnection();   
    ResultSet rs = null;   
    Statement stmt = null;   
    try {   
        conn = getMySqlConnection();   
        stmt = conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,   
                                    ResultSet.CONCUR_UPDATABLE);   
        conn.setAutoCommit(false);   
        stmt.addBatch("INSERT INTO survey(id, name) VALUES('11', 'Alex')");   
        stmt.addBatch("INSERT INTO survey(id, name) VALUES('22', 'Mary')");   
        stmt.addBatch("INSERT INTO survey(id, name) VALUES('33', 'Bob')");   
        int[] updateCounts = stmt.executeBatch();   
        System.out.println(updateCounts);   
        conn.commit();   
        rs = stmt.executeQuery("SELECT * FROM survey");   
        while (rs.next()) {   
            String id = rs.getString("id");   
            String name = rs.getString("name");   
            System.out.println("id="+id +"  name="+name);   
        }   
    }   
    catch(BatchUpdateException b) {   
        System.err.println("SQLException: " + b.getMessage());   
        System.err.println("SQLState: " + b.getSQLState());   
        System.err.println("Message: " + b.getMessage());   
        System.err.println("Vendor error code: " + b.getErrorCode());   
        System.err.print("Update counts: ");   
        int [] updateCounts = b.getUpdateCounts();   
        for (int i = 0; i < updateCounts.length; i++) {   
            System.err.print(updateCounts[i] + " ");   
        }   
    }   
    catch(SQLException ex) {   
        System.err.println("SQLException: " + ex.getMessage());   
        System.err.println("SQLState: " + ex.getSQLState());   
        System.err.println("Message: " + ex.getMessage());   
        System.err.println("Vendor error code: " + ex.getErrorCode());   
    }   
    catch(Exception e) {   
        e.printStackTrace();   
        System.err.println("Exception: " + e.getMessage());   
    }   
    finally {   
        rs.close();   
        stmt.close();   
        conn.close();   
    }   
  }   
  
  private static Connection getHSQLConnection() throws Exception {   
    Class.forName("org.hsqldb.jdbcDriver");   
    System.out.println("Driver Loaded.");   
    String url = "jdbc:hsqldb:data/tutorial";   
    return DriverManager.getConnection(url, "sa", "");   
  }   
  
  public static Connection getMySqlConnection() throws Exception {   
    String driver = "org.gjt.mm.mysql.Driver";   
    String url = "jdbc:mysql://localhost/demo2s";   
    String username = "oost";   
    String password = "oost";   
  
    Class.forName(driver);   
    Connection conn = DriverManager.getConnection(url, username, password);   
    return conn;   
  }   
  
  public static Connection getOracleConnection() throws Exception {   
    String driver = "oracle.jdbc.driver.OracleDriver";   
    String url = "jdbc:oracle:thin:@localhost:1521:caspian";   
    String username = "mp";   
    String password = "mp2";   
  
    Class.forName(driver); // load Oracle driver   
    Connection conn = DriverManager.getConnection(url, username, password);   
    return conn;   
  }   
}