Java操作Excel（三）将Excel中的数据批量的导入数据库

package jb;
import java.io.FileInputStream;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
public class TestPoiExcel {
 public static String fileToBeRead = "1253587336281.xls";
 @SuppressWarnings("unused")
 public static void main(String argv[]) {
  Connection conn = getConnection();
  PreparedStatement ps = null;
  // 创建对Excel工作簿文件的引用;
  HSSFWorkbook workbook;
  try {
   workbook = new HSSFWorkbook(new FileInputStream(fileToBeRead));
   // 创建对工作表的引用。
   // 本例是按名引用（让我们假定那张表有着缺省名"Sheet1"）
   // 也可用getSheetAt(int index)按索引引用，
   // 在Excel文档中，第一张工作表的缺省索引是0，
   // 其语句为：HSSFSheet sheet = workbook.getSheetAt(0);
   HSSFSheet sheet = workbook.getSheet("StudentCource");
   int rows = sheet.getPhysicalNumberOfRows();
   for (int r = 1; r < rows; r++) {
    // 读取左上端单元
    HSSFRow row = sheet.getRow(r);
    if (row != null) {
     //下面写的有点死，欢迎大家提出宝贵意见
     int cells = row.getPhysicalNumberOfCells();
     HSSFCell idcell = row.getCell((short) 0);
     int id = (int) idcell.getNumericCellValue();
     HSSFCell namecell = row.getCell((short) 1);
     String name = namecell.getStringCellValue();
     HSSFCell pwdcell = row.getCell((short) 2);
     String pwd = pwdcell.getStringCellValue();
     System.out.println("ID:" + id + "/t姓名:" + name + "/t密码:"
       + pwd);
     conn.setAutoCommit(false);
     ps = conn
       .prepareStatement("insert into user values(?,?,?)");
     ps.setInt(1, id);
     ps.setString(2, name);
     ps.setString(3, pwd);
     ps.addBatch();// 加入批处理
     // ps.executeUpdate();不能与addBatch（）同时用
    }
    ps.executeBatch();
    conn.commit();
    // 下面可以将查找到的行内容用SQL语句INSERT到oracle
   }
  } catch (Exception e) {
   try {
    conn.rollback();
   } catch (SQLException e1) {
    e1.printStackTrace();
   }
   e.printStackTrace();
  }
 }
 public static Connection getConnection() {
  Connection conn = null;
  try {
   Class.forName("com.mysql.jdbc.Driver");
   conn = DriverManager.getConnection(
     "jdbc:mysql://localhost:3306/java", "root", "123456");
  } catch (Exception e) {
   e.printStackTrace();
  }
  return conn;
 }
}