package com.jqgj.test;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.util.ArrayList;
import java.util.List;

import org.apache.commons.io.FilenameUtils;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.CellValue;
import org.apache.poi.ss.usermodel.FormulaEvaluator;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;



public class ImportUserNameTest {
	/**
	 * Excel 2003
	 */
	private final static String XLS = "xls";
	/**
	 * Excel 2007
	 */
	private final static String XLSX = "xlsx";
	/**
	 * 分隔符
	 */
	private final static String SEPARATOR = "|";
	
	/**
	 * 由Excel檔案的Sheet匯出至List
	 * 
	 * @param file
	 * @param sheetNum
	 * @return
	 */
	public static List<Terminal> exportListFromExcel(File file, int sheetNum)
			throws IOException {
		return exportListFromExcel(new FileInputStream(file),
				FilenameUtils.getExtension(file.getName()), sheetNum);
	}
	/**
	 * 由Excel流的Sheet匯出至List
	 * 
	 * @param is
	 * @param extensionName
	 * @param sheetNum
	 * @return
	 * @throws IOException
	 */
	public static List<Terminal> exportListFromExcel(InputStream is,
			String extensionName, int sheetNum) throws IOException {

		Workbook workbook = null;

		if (extensionName.toLowerCase().equals(XLS)) {
			workbook = new HSSFWorkbook(is);
		} else if (extensionName.toLowerCase().equals(XLSX)) {
			workbook = new XSSFWorkbook(is);
		}

		return exportListFromExcel(workbook, sheetNum);
	}
	/**
	 * 由指定的Sheet匯出至List
	 * 
	 * @param workbook
	 * @param sheetNum
	 * @return
	 * @throws IOException
	 */
	private static List<Terminal> exportListFromExcel(Workbook workbook,
			int sheetNum) {

		Sheet sheet = workbook.getSheetAt(sheetNum);

		// 解析公式結果
		FormulaEvaluator evaluator = workbook.getCreationHelper()
				.createFormulaEvaluator();

		List<Terminal> list = new ArrayList<Terminal>();
		int minRowIx = sheet.getFirstRowNum();
		int maxRowIx = sheet.getLastRowNum();
		for (int rowIx = minRowIx; rowIx <= maxRowIx; rowIx++) {
			Terminal terminal = new Terminal();
			Row row = sheet.getRow(rowIx);
			short minColIx = row.getFirstCellNum();
			short maxColIx = row.getLastCellNum();
			for (short colIx = minColIx; colIx <= maxColIx; colIx++) {
				Cell cell = row.getCell(new Integer(colIx));
				CellValue cellValue = evaluator.evaluate(cell);
				if (cellValue == null) {
					continue;
				}
				switch(colIx){
				case 0:
					//如果手機號碼是數字格式則轉換（放開註釋），如果是文字則不轉換
					//DecimalFormat df = new DecimalFormat("#");
					//String sjhm = df.format(cellValue.getNumberValue());
					String sjhm = cellValue.getStringValue();
					terminal.setDwhm(sjhm);
					break;
				case 1:
					String name=cellValue.getStringValue();
					terminal.setZdmc(name);
					break;
				default:
					break;
				
				}
			}
			list.add(terminal);
		}
		return list;
	}
	
	/**
	 * @param args
	 */
	public static void main(String[] args) {
		String path = "f:\\telName.xlsx";
		try {
			List<Terminal> listS= exportListFromExcel(new File(path),0);
			/*for(int i=0;i<listS.size();i++){
				Terminal t = listS.get(i);
				System.out.println(t.getZdmc()+":"+t.getDwhm());
			}*/
			String result = exeBatchParparedSQL(listS);
			System.out.println("更新結果："+result);
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}

	}
	/**
	 * 批量更新
	 */
	public static String exeBatchParparedSQL(List<Terminal> listT){
		String result = "失敗";
		String driver = "oracle.jdbc.OracleDriver";// 驅動字串
		String url = "jdbc:oracle:thin:@IP:埠:資料庫名字";// 連結字串
		String user = "XXX";// 使用者名稱
		String password = "XXX";// 密碼
		Connection con = null;
		PreparedStatement pstm = null;
		try {
			Class.forName(driver);
			con = DriverManager.getConnection(url, user, password);
			String sql = "update T_userInfo set zdmc=? where dwhm=?";
			pstm = con.prepareStatement(sql);
			for(int i=0;i<listT.size();i++){
				Terminal t = listT.get(i);
				pstm.setString(1,t.getZdmc());
				pstm.setString(2,t.getDwhm());
				pstm.addBatch();  
			}
			int a[] = pstm.executeBatch();
			System.out.println("條數："+a.length);
			if (a.length>0) {
				con.commit();
				result = "成功";
			}			
		} catch (Exception e) {
			try {
				con.rollback();
			} catch (Exception ec) {
				LogUtil.log.info("更新員工姓名回滾出錯" + e.getMessage());
			}
			e.printStackTrace();
		} finally {
			PoolManager.closeConnection(con, pstm, null);
		}
		return result;
	}
	

}