查看完整版本: 如何读取Excel数据并导入DB2数据库

如何读取Excel数据并导入DB2数据库

最近项目需要读取Excel，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 {** static Connection conn = null;** static Statement stmt = null;** 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;}** 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");}}}