/**
* Read an excel file and spit out what we find.
*
* @param args Expect one argument that is the file to read.
* @throws IOException When there is an error processing the file.
*/
public static void main(String[] args) throws IOException {
try {
Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
// con = DriverManager
// .getConnection("jdbc:sqlserver://10.130.133.3:1433;DatabaseName=RTB;user=i264678;password=;SelectMethod=cursor ");
con =
DriverManager.getConnection(
"jdbc:sqlserver://10.135.128.227:1433;DatabaseName=RTBWTC;user=i264678;password=;SelectMethod=cursor ");
System.out.println("connected");
// create a new file input stream with the input file specified
// at the command line
FileInputStream fin = new FileInputStream(args[0]);
// create a new org.apache.poi.poifs.filesystem.Filesystem
POIFSFileSystem poifs = new POIFSFileSystem(fin);
// get the Workbook (excel part) stream in a InputStream
InputStream din = poifs.createDocumentInputStream("Workbook");
// construct out HSSFRequest object
HSSFRequest req = new HSSFRequest();
// lazy listen for ALL records with the listener shown above
req.addListenerForAllRecords(new LoadServiceFromExcel());
// create our event factory
HSSFEventFactory factory = new HSSFEventFactory();
// process our events based on the document input stream
factory.processEvents(req, din);
// once all the events are processed close our file input stream
fin.close();
// and our document input stream (don't want to leak these!)
din.close();
System.out.println("done.");
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} finally {
try {
con.close();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
/**
* Processes a file into essentially record events.
*
* @param req an Instance of HSSFRequest which has your registered listeners
* @param dir a DirectoryNode containing your workbook
*/
public void processWorkbookEvents(HSSFRequest req, DirectoryNode dir) throws IOException {
// some old documents have "WORKBOOK" or "BOOK"
final String name;
Set<String> entryNames = dir.getEntryNames();
if (entryNames.contains("Workbook")) {
name = "Workbook";
} else if (entryNames.contains("WORKBOOK")) {
name = "WORKBOOK";
} else if (entryNames.contains("BOOK")) {
name = "BOOK";
} else {
name = "Workbook";
}
InputStream in = dir.createDocumentInputStream(name);
processEvents(req, in);
}
/** 导入 excel 2003 biff格式 如果是xml格式的 可以使用SAX（未测试） */
@Test
public void testImportExcel2003() throws Exception {
long beginTime = System.currentTimeMillis();
String fileName = "D:\\Backup\\Book1.xls";
List<ExcelData> dataList = Lists.newArrayList();
// 输入流
InputStream fis = new BufferedInputStream(new FileInputStream(fileName));
// 创建 org.apache.poi.poifs.filesystem.Filesystem
POIFSFileSystem poifs = new POIFSFileSystem(fis);
// 从输入流 得到 Workbook(excel 部分)流
InputStream din = poifs.createDocumentInputStream("Workbook");
// 构造 HSSFRequest
HSSFRequest req = new HSSFRequest();
// 添加监听器
req.addListenerForAllRecords(new Excel2003Listener(dataList));
// 创建事件工厂
HSSFEventFactory factory = new HSSFEventFactory();
// 根据文档输入流处理事件
factory.processEvents(req, din);
// 关闭输入流
fis.close();
// 关闭文档流
din.close();
System.out.println(dataList.size());
// 把最后剩下的不足batchSize大小
if (dataList.size() > 0) {
doBatchSave(dataList);
}
long endTime = System.currentTimeMillis();
log.info("耗时(秒):" + (endTime - beginTime) / 1000);
}