怎样读取 Excel数据并导入 DB2数据库

来源：互联网作者：若水 2008-03-19/15:02

正文

你是否遇到过需要从Excel中读取数据呢？将数据导入数据库保存，最终可以用报表读取数据库并显示，比较简单。查了一下两者的资料，觉的也无所谓，我需要的功能比较简单，只要能读取Excel数据就行，最后决定使用POI，比较信任apache,使用果然很简单，上网找了个源码，Copy过来稍微改改就能用了。

下面附的代码是一个Demo，功能有两个：一是POI读取Excel，二是DB2数据库的连接和SQL执行。

import Java.io.FileInputStream;import 
java.io.IOException;import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;
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;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;
public class POITest {private static Connection conn = null;
private static Statement stmt = null;
private static boolean connectDB2() 
{String url = "";
String username = "username";
String password = "password";
//加载驱动程序以连接数据库try 
{//添加类库驱动包db2jcc.jar和db2jcc_license_cu.jarClass.forName
("com.ibm.db2.jcc.DB2Driver");
url = "JDBC:db2://192.168.0.1:50000/dbname";
//添加类库驱动包db2java.jar//
Class.forName("com.ibm.db2.jdbc.app.DB2Driver").newInstance();
//url = "jdbc:db2:njtcdata";
conn = DriverManager.getConnection(url, 
username, password);stmt = conn.createStatement();}
//捕获加载驱动程序异常catch 
(ClassNotFoundException cnfex) 
{System.err.println("装载JDBC驱动程序失败。");
cnfex.printStackTrace();return false;}
//捕获连接数据库异常catch (SQLException sqlex) 
{System.err.println("无法连接数据库");
sqlex.printStackTrace();//System.exit(1); 
// terminate programreturn false;}return true;}
private static boolean readExcelToDB2() 
{POIFSFileSystem fs = null;HSSFWorkbook wb = null;
try {fs = new POIFSFileSystem
(new FileInputStream("c:\\test.xls"));
wb = new HSSFWorkbook(fs);} catch (IOException e) 
{e.printStackTrace();return false;}
HSSFSheet sheet = wb.getSheetAt(0);
HSSFRow row = null;HSSFCell cell = null;
String name = "";int id = 0;int rowNum, 
cellNum;int i;rowNum = sheet.getLastRowNum();
for (i = 0; i <= rowNum; i++) 
{row = sheet.getRow(i);
//cellNum = row.getLastCellNum();
cell = row.getCell((short) 0);
name = cell.getStringCellValue();
cell = row.getCell((short) 1);
id = (int) cell.getNumericCellValue();
String sql = "insert into TEST(ID, NAME) 
values(" + id + ",'" + name + "')";
try {stmt.executeUpdate(sql);} 
catch (SQLException e1) {e1.printStackTrace();
return false;}}return true;
}public static void main(String[] args) 
{if (connectDB2()==true){if
 (readExcelToDB2()==true)System.out.println("数据导入成功");
elseSystem.out.println("数据导入失败");
}else{System.out.println("数据库连接失败");}}}