poi之excel导入

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获取list数据:

import java.io.BufferedInputStream;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Date;
import java.util.LinkedList;
import java.util.List;

import jxl.Cell;
import jxl.CellType;
import jxl.DateCell;
import jxl.NumberCell;
import jxl.Sheet;
import jxl.Workbook;
import jxl.read.biff.BiffException;

import org.apache.log4j.Logger;
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFDateUtil;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.xssf.usermodel.XSSFCell;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;

/**
 * EXCEL文档解析工具类 该工具能将EXCEL文档中的表解析为由JAVA基础类构成的数据集合 整个EXCEL表由多个行组成.每行用一个LIST表示.
 * EXCEL中的行由一个LIST表示,各列的数据索引从0开始一一对齐存放在这个LIST中; 多个行构成整个表,由一个LIST存放多个行.
 * 
 */
public class ExcelSheetParser {

	private Logger logger = Logger.getLogger(ExcelSheetParser.class);

	private HSSFWorkbook workbook;

	public ExcelSheetParser(File excelFile) throws FileNotFoundException,
			IOException {

		workbook = new HSSFWorkbook(new FileInputStream(excelFile));
	}

	// 读Excel表格--工作薄,工作表,行,单元格
	/**
	 * 2003
	 */
	public static List<List> readExcel2003(String filePath) {
		List<List> result = new ArrayList<List>();
		File file = new File(filePath);
		Workbook wb = null;
		// StringBuffer sb = new StringBuffer();
		try {
			// 传入的是文件,获取工作薄
			wb = Workbook.getWorkbook(file);
			if (wb != null) {
				// 获取所有的工作表
				Sheet[] sheets = wb.getSheets();
				if (sheets != null && sheets.length != 0) {
					for (int i = 0; i < sheets.length; i++) {
						// 获取每一个工作表,此后的操作都在工作表上面进行
						Sheet sheet = wb.getSheet(i);
						//
						// 获取行的长度
						int rows_len = sheet.getRows();
						for (int j = 1; j < rows_len; j++) {
							// 获取所有的列
							Cell[] cells = sheet.getRow(j);
							if (null != cells && cells.length <= 1) {
								continue;
							}
							List<Object> rowData = new ArrayList<Object>();
							if (cells != null && cells.length != 0) {
								for (int k = 0; k < cells.length; k++) {
									// 获取每一列
									Cell cell = cells[k];
									Object data = cell.getContents();
									if (cell.getType() == CellType.DATE) {
										DateCell dc = (DateCell) cell;
										data = DateUtil.dateToStr(dc.getDate());
									} else if (cell.getType() == CellType.NUMBER
											|| cell.getType() == CellType.NUMBER_FORMULA) {
										NumberCell nc = (NumberCell) cell;
										data = "" + nc.getValue();
									}
									rowData.add(data);
								}
							}
							result.add(rowData);
						}
					}
				}
			}
		} catch (BiffException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			if (null != wb) {
				wb.close();
			}
		}
		return result;
	}
	
	/**
	 * 2007版本
	 * 
	 * @param filePath
	 * @return
	 */
	public static List<List> readExcel2007(byte[] excelByte) {
		List<List> result = new ArrayList<List>();
		// 构造 XSSFWorkbook 对象，strPath 传入文件路径
		XSSFWorkbook xwb = null;
		ByteArrayInputStream input = null;
		try {
			// 读取文件IO流
//			input = new FileInputStream(new File(filePath));
			input = new ByteArrayInputStream(excelByte);
			// 转换成XSS对象
			xwb = new XSSFWorkbook(new BufferedInputStream(input));
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		// 读取第一章表格内容
		if (null != xwb) {
			XSSFSheet sheet = xwb.getSheetAt(0);
			Object value = null;
			XSSFRow row = null;
			XSSFCell cell = null;

			XSSFRow headerrow = sheet.getRow(0); // 表头 得到标题的内容对象
			int colNum = headerrow.getPhysicalNumberOfCells();// 得到每行的列数。

			// System.out.println(sheet.getPhysicalNumberOfRows());
			// 循环内容项 不循环标题 所以+1
			for (int i = sheet.getFirstRowNum() + 1; i <= sheet
					.getPhysicalNumberOfRows(); i++) {
				List<Object> rowData = new ArrayList<Object>();
				row = sheet.getRow(i);
				if (row == null) {
					continue;
				}
				List<String> linked = new LinkedList<String>();
				for (int j = row.getFirstCellNum(); j < row.getLastCellNum(); j++) {
					cell = row.getCell(j);
					if (null != cell) {
						value = getDateCellValue(cell);
					} else {
						value = "";
					}

					rowData.add(value);
				}
				result.add(rowData);
			}
		}
		return result;
	}

	/**
	 * 2007版本
	 * 
	 * @param filePath
	 * @return
	 */
	public static List<List> readExcel2007(String filePath) {
		List<List> result = new ArrayList<List>();
		// 构造 XSSFWorkbook 对象，strPath 传入文件路径
		XSSFWorkbook xwb = null;
		FileInputStream input = null;
		try {
			// 读取文件IO流
			input = new FileInputStream(new File(filePath));
			// 转换成XSS对象
			xwb = new XSSFWorkbook(new BufferedInputStream(input));
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		// 读取第一章表格内容
		if (null != xwb) {
			XSSFSheet sheet = xwb.getSheetAt(0);
			Object value = null;
			XSSFRow row = null;
			XSSFCell cell = null;

			XSSFRow headerrow = sheet.getRow(0); // 表头 得到标题的内容对象
			int colNum = headerrow.getPhysicalNumberOfCells();// 得到每行的列数。

			// System.out.println(sheet.getPhysicalNumberOfRows());
			// 循环内容项 不循环标题 所以+1
			for (int i = sheet.getFirstRowNum() + 1; i <= sheet
					.getPhysicalNumberOfRows(); i++) {
				List<Object> rowData = new ArrayList<Object>();
				row = sheet.getRow(i);
				if (row == null) {
					continue;
				}
				List<String> linked = new LinkedList<String>();
				for (int j = row.getFirstCellNum(); j < row.getLastCellNum(); j++) {
					cell = row.getCell(j);
					if (null != cell) {
						value = getDateCellValue(cell);
					} else {
						value = "";
					}

					rowData.add(value);
				}
				result.add(rowData);
			}
		}
		return result;
	}

	/**
	 * 2007版本
	 * 
	 * @param filePath
	 * @return
	 */
	public static List<List> importBlackExcel2007(String filePath) {
		List<List> result = new ArrayList<List>();
		XSSFWorkbook xwb = null;
		FileInputStream input = null;
		try {
			// 读取文件IO流
			input = new FileInputStream(new File(filePath));
			// 转换成XSS对象
			xwb = new XSSFWorkbook(new BufferedInputStream(input));
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		// 读取第一章表格内容
		if (null != xwb) {
			XSSFSheet sheet = xwb.getSheetAt(0);
			Object value = null;
			XSSFRow row = null;
			XSSFCell cell = null;

			XSSFRow headerrow = sheet.getRow(0); // 表头 得到标题的内容对象
			int colNum = headerrow.getPhysicalNumberOfCells();// 得到每行的列数。

			// System.out.println(sheet.getPhysicalNumberOfRows());
			// 循环内容项 不循环标题 所以+1
			for (int i = sheet.getFirstRowNum() + 1; i <= sheet
					.getPhysicalNumberOfRows(); i++) {
				List<Object> rowData = new ArrayList<Object>();
				row = sheet.getRow(i);
				if (row == null) {
					continue;
				}
				List<String> linked = new LinkedList<String>();
				for (int j = 0; j < colNum; j++) {
					cell = row.getCell(j);
					if (null != cell) {
						value = getDateCellValue(cell);
					} else {
						value = "";
					}

					rowData.add(value);
				}
				result.add(rowData);
			}
		}
		return result;
	}

	/**
	 * 获取单元格数据内容为日期类型的数据
	 * 
	 * @param cell
	 * @return
	 */
	private static String getDateCellValue(XSSFCell cell) {
		String result = "";
		try {
			int cellType = cell.getCellType();
			if (cellType == HSSFCell.CELL_TYPE_NUMERIC) {
				if (HSSFDateUtil.isCellDateFormatted(cell)) {
					Date date = cell.getDateCellValue();
					result = (date.getYear() + 1900) + "-"
							+ (date.getMonth() + 1) + "-" + date.getDate();
				} else {
					String date = getStringCellValue(cell);
					result = date.trim();
				}
			} else if (cellType == HSSFCell.CELL_TYPE_STRING) {
				String date = getStringCellValue(cell);
				result = date.trim();
			} else if (cellType == HSSFCell.CELL_TYPE_BLANK) {
				result = "";
			}
		} catch (Exception e) {
			// System.out.println("日期格式不正确!");
			e.printStackTrace();
		}
		return result;
	}

	/**
	 * 获取单元格数据内容为字符串类型的数据
	 * 
	 * @param cell
	 * @return
	 */
	private static String getStringCellValue(XSSFCell cell) {
		if (cell == null) {
			return "";
		}
		String strCell = "";
		switch (cell.getCellType()) {
		case HSSFCell.CELL_TYPE_STRING:
			strCell = cell.getStringCellValue();
			break;
		case HSSFCell.CELL_TYPE_NUMERIC:
			strCell = String.valueOf(cell.getNumericCellValue());
			break;
		case HSSFCell.CELL_TYPE_BOOLEAN:
			strCell = String.valueOf(cell.getBooleanCellValue());
			break;
		case HSSFCell.CELL_TYPE_BLANK:
			strCell = "";
			break;
		default:
			strCell = "";
			break;
		}
		if (strCell == null || strCell.equals("")) {
			return "";
		}

		return strCell;
	}

	/**
	 * 2007版本(读取内容包含excel表头)
	 * 
	 * @param filePath
	 * @return
	 */
	public static List<List> readExcel2007ContainHeader(String filePath) {
		List<List> result = new ArrayList<List>();
		// 构造 XSSFWorkbook 对象，strPath 传入文件路径
		// 构造 XSSFWorkbook 对象，strPath 传入文件路径
		XSSFWorkbook xwb = null;
		FileInputStream input = null;
		try {
			// 读取文件IO流
			input = new FileInputStream(new File(filePath));
			// 转换成XSS对象
			xwb = new XSSFWorkbook(new BufferedInputStream(input));
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		// 读取第一章表格内容
		if (null != xwb) {
			XSSFSheet sheet = xwb.getSheetAt(0);
			Object value = null;
			XSSFRow row = null;
			XSSFCell cell = null;

			XSSFRow headerrow = sheet.getRow(0); // 表头 得到标题的内容对象
			int colNum = headerrow.getPhysicalNumberOfCells();// 得到每行的列数。

			// System.out.println(sheet.getPhysicalNumberOfRows());
			for (int i = sheet.getFirstRowNum(); i <= sheet
					.getPhysicalNumberOfRows(); i++) {
				List<Object> rowData = new ArrayList<Object>();
				row = sheet.getRow(i);
				if (row == null) {
					continue;
				}
				List<String> linked = new LinkedList<String>();
				for (int j = row.getFirstCellNum(); j < row.getLastCellNum(); j++) {
					cell = row.getCell(j);
					if (null != cell) {
						value = getDateCellValue(cell);
					} else {
						value = "";
					}

					rowData.add(value);
				}
				result.add(rowData);
			}
		}
		return result;
	}

	/**
	 * 2003版本(读取内容包含excel表头)
	 * 
	 * @param filePath
	 * @return
	 */
	public static List<List> readExcel2003ContainHeader(String filePath) {
		List<List> result = new ArrayList<List>();
		File file = new File(filePath);
		Workbook wb = null;
		// StringBuffer sb = new StringBuffer();
		try {
			// 传入的是文件,获取工作薄
			wb = Workbook.getWorkbook(file);
			if (wb != null) {
				// 获取所有的工作表
				Sheet[] sheets = wb.getSheets();
				if (sheets != null && sheets.length != 0) {
					for (int i = 0; i < sheets.length; i++) {
						// 获取每一个工作表,此后的操作都在工作表上面进行
						Sheet sheet = wb.getSheet(i);
						//
						// 获取行的长度
						int rows_len = sheet.getRows();
						for (int j = 0; j < rows_len; j++) {
							// 获取所有的列
							Cell[] cells = sheet.getRow(j);
							if (null != cells && cells.length <= 1) {
								continue;
							}
							List<Object> rowData = new ArrayList<Object>();
							if (cells != null && cells.length != 0) {
								for (int k = 0; k < cells.length; k++) {
									// 获取每一列
									Cell cell = cells[k];
									Object data = cell.getContents();
									if (cell.getType() == CellType.DATE) {
										DateCell dc = (DateCell) cell;
										data = DateUtil.dateToStr(dc.getDate());
									} else if (cell.getType() == CellType.NUMBER
											|| cell.getType() == CellType.NUMBER_FORMULA) {
										NumberCell nc = (NumberCell) cell;
										data = "" + nc.getValue();
									}
									rowData.add(data);
								}
							}
							result.add(rowData);
						}
					}
				}
			}
		} catch (BiffException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			if (null != wb) {
				wb.close();
			}
		}
		return result;
	}

}

/**
	 * 报表文件导入
	 * 
	 * @return
	 */
	@RequestMapping(value = "/filePage", method = RequestMethod.POST)
	public String filePage(HttpServletRequest request, Model model) throws IOException {
		MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request;
		MultipartFile file = multipartRequest.getFile("docFile");
		// 若没有选择上传文件就点击提交时，返回上传页面，并给出提示
		if (file.getSize() == 0) {
			model.addAttribute("msg", "请选择正确的文件");
		}
		String[] fileName = file.getOriginalFilename().split("\\.");
		String suffixName = fileName[fileName.length - 1];
		// 判断类型是否符合
		if (!("xlsx".equals(suffixName))) {
			model.addAttribute("msg", "导入文件失败！仅支持文件类型【xlsx】");
		}
		byte[] arr = file.getBytes();
		int num = 0;
		try {
			num = num + this.planLoanInfoExcelToObject(arr);
		} catch (ExcelOperateException e) {
			model.addAttribute("msg", e.getMessage());
			e.printStackTrace();
		}
		return "";
	}

/**
	 * 导入excel行为业务对象
	 * 
	 * @return
	 */
	public int planLoanInfoExcelToObject(byte[] arr) throws ExcelOperateException {
		try {
			List<List> planLoanInfoExcelList = ExcelSheetParser.readExcel2007(arr);
			//将excel中的数据封装为对象后装入list，如果数据量大，考虑分批次查询和插入
			List<PlanLoanInfo> infos = new ArrayList<PlanLoanInfo>();
			for (int i = 0; i < planLoanInfoExcelList.size(); i++) {
				List datas = planLoanInfoExcelList.get(i);
				// TODO 验证数据准确性，否则就抛出异常
				PlanLoanInfo planLoanInfo = new PlanLoanInfo();
				for (int j = 0; j < datas.size(); j++) {
					// 先检查数据正确性再封装对象
					String data = "";
					switch (j) {
					case 0:
						data = (String) datas.get(0);
						planLoanInfo.setPlanPayAmt(new BigDecimal(Double.parseDouble(data)).multiply(new BigDecimal(10000)).setScale(2,BigDecimal.ROUND_HALF_UP));
						break;
					case 1:
						data = (String) datas.get(1);
						planLoanInfo.setPlanTotalIncome(new BigDecimal(Double.parseDouble(data)).multiply(new BigDecimal(10000)).setScale(2,BigDecimal.ROUND_HALF_UP));
						//System.out.println(planLoanInfo.getPlanTotalIncome());
						break;
					case 2:
						data = (String) datas.get(2);
						planLoanInfo.setPlanTotalProfit(new BigDecimal(Double.parseDouble(data)).multiply(new BigDecimal(10000)).setScale(2,BigDecimal.ROUND_HALF_UP));
						//System.out.println(planLoanInfo.getPlanTotalProfit());
						break;
					case 3:
						data = (String) datas.get(3);
						planLoanInfo.setPlanInlibBalance(new BigDecimal(Double.parseDouble(data)).setScale(2,BigDecimal.ROUND_HALF_UP));
						//System.out.println(planLoanInfo.getPlanInlibBalance());
						break;
					case 4:
						data = (String) datas.get(4);
						planLoanInfo.setPlanCustMagPerLib(new BigDecimal(Double.parseDouble(data)).setScale(2,BigDecimal.ROUND_HALF_UP));
						//System.out.println(planLoanInfo.getPlanCustMagPerLib());
						break;
					case 5:
						data = (String) datas.get(5);
						planLoanInfo.setPlanPerEarner(new BigDecimal(Double.parseDouble(data)).setScale(2,BigDecimal.ROUND_HALF_UP));
						//System.out.println(planLoanInfo.getPlanPerEarner());
						break;
					case 6:
						data = (String) datas.get(6);
						planLoanInfo.setPlanPerProfit(new BigDecimal(Double.parseDouble(data)).setScale(2,BigDecimal.ROUND_HALF_UP));
						//System.out.println(planLoanInfo.getPlanPerProfit());
						break;
					case 7:
						data = (String) datas.get(7);
						planLoanInfo.setPlanOverDueRateBig(Double.parseDouble(data));
						//System.out.println(planLoanInfo.getPlanOverDueRateBig());
						break;
					case 8:
						data = (String) datas.get(8);
						planLoanInfo.setPlanOverDueRateSmall(Double.parseDouble(data));
						//System.out.println(planLoanInfo.getPlanOverDueRateSmall());
						break;
					case 9:
						data = (String) datas.get(9);
						planLoanInfo.setPlanPartsAre(new BigDecimal(Double.parseDouble(data)).setScale(2,BigDecimal.ROUND_HALF_UP));
						//System.out.println(planLoanInfo.getPlanPartsAre());
						break;
					case 10:
						data = (String) datas.get(10);
						planLoanInfo.setPlanOverDueTotalReturnPayment(new BigDecimal(Double.parseDouble(data)).setScale(2,BigDecimal.ROUND_HALF_UP));
						//System.out.println(planLoanInfo.getPlanOverDueTotalReturnPayment());
						break;
					case 11:
						data = (String) datas.get(11);
						planLoanInfo.setPlanCustMagTotal((int)Double.parseDouble(data));
						//System.out.println(planLoanInfo.getPlanCustMagTotal());
						break;
					case 12:
						data = (String) datas.get(12);
						planLoanInfo.setPlanPayRollTotal((int)Double.parseDouble(data));
						//System.out.println(planLoanInfo.getPlanPayRollTotal());
						break;
					}
				}
				infos.add(planLoanInfo);
			}
			//批量插入
			int totalRecord = planLoanInfoService.insertIntoBatch(infos);
			return totalRecord;
		} catch (Exception e) {
			e.printStackTrace();
			throw new ExcelOperateException("excel导入数据操作异常!");
		}
	}

mybaits批量插入:

<!-- excel中数据批量插入 -->
	<insert id="insertIntoBatchIgnore" parameterType="java.util.List">
	    INSERT INTO tb_plan_xiaodai_loaninfo(PLANPAYAMT,PLANTOTALINCOME,PLANTOTALPROFIT,PLANINLIBBALANCE,PLANCUSTMAGPERLIB,PLANPEREARNER,PLANPERPROFIT
		,PLANOVERDUERATEBIG,PLANOVERDUERATESMALL,PLANPARTSARE,PLANOVERDUETOTALRETURNPAYMENT,PLANCUSTMAGTOTAL,PLANPAYROLLTOTAL,CREATEDATE)
		VALUES 
	    <foreach collection="list" item="item" index="index" separator="," >
	        (#{item.planPayAmt},#{item.planTotalIncome},#{item.planTotalProfit},#{item.planInlibBalance},#{item.planCustMagPerLib},#{item.planPerEarner},#{item.planPerProfit},#{item.planOverDueRateBig},#{item.planOverDueRateSmall}
	        ,#{item.planPartsAre},#{item.planOverDueTotalReturnPayment},#{item.planCustMagTotal},#{item.planPayRollTotal},now())
	    </foreach>
	</insert>

 <form id="from" action="${ctx}/evaluation/filePage" method="post" enctype="multipart/form-data" target="_self"  onsubmit="return checkImport()">
                    <table class="table table-hover table-striped" style="table-layout:fixed">
                      <tbody id="loadData">
                      <tr>
                      	<td><input type="file" name="docFile" value="" id="docFile" style="width:180px;" validate="{required:true}"></td>
						<td align="left">
							<button type="submit" class="btn green">导入</button>
						</td>
						<td>
							<a class="btn btn-default" role="button" onclick="exportPlanLoanInfo();">下载xxx信息表 </a>
						</td>
                      </tr>
                      </tbody>
                    </table>
                   </form>

function checkImport(){
	var fileName =$("#docFile").val();
	var suffixName = fileName.split('\.');
	var blank = fileName.search(" ");
	if(blank >0){
		alert("导入的文件名不能有空格！");
		return false;
	}
    if(fileName == ""){
    	alert("文件不能为空！");
        return false;
    }else if(suffixName[1] != "xlsx"){
    	alert("导入文件失败！仅支持文件类型【xlsx】");
    	return false;
    }else{
        return true;
    }
}

function exportPlanLoanInfo(){
	window.location.href= "${ctx }/evaluation/downloadExcel";
}

@RequestMapping("downloadExcel")
	public void downloadExcel() {
		String filePath = PropertiesUtil.getProperties("PLAN_LOANINFO_FILE_PATH").toString();
		OutputStream out=null;
		try {
			String name="个贷计划信息表";
			String fileTxt = filePath + name +".xlsx";
			FileInputStream file=new FileInputStream(fileTxt);
			response.reset();// 清空输出流   
			out = response.getOutputStream();			
		    response.setHeader("Content-disposition", "attachment; filename="+new String(name.getBytes("GBK"), "ISO-8859-1")+".xlsx");// 设定输出文件头   
		    response.setContentType("application/ms-excel;charset=UTF-8");// 定义输出类型 
		    byte[] buffer=new byte[1024];
			int ch=0;
			 while ((ch = file.read(buffer)) != -1) {
				   out.write(buffer,0,ch);
				  }		
		} catch (IOException e1) {
			e1.printStackTrace();
		}		
		try {
			out.close();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

poi之excel导入

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原文地址：http://blog.csdn.net/u012572955/article/details/51878520