数据导入excel表格

package ;import java.io.File;import java.io.FileOutputStream;import java.io.OutputStream;import java.util.ArrayList;import java.util.Date;import jxl.Cell;import jxl.CellType;import jxl.Sheet;import jxl.Workbook;import jxl.WorkbookSettings;import jxl.format.Alignment;import jxl.format.Border;import jxl.format.BorderLineStyle;import jxl.format.Colour;import jxl.format.VerticalAlignment;import jxl.write.Formula;import bel;import jxl.write.NumberFormat;import jxl.write.WritableCellFeatures;import jxl.write.WritableCellFormat;import jxl.write.WritableFont;import jxl.write.WritableSheet;import jxl.write.WritableWorkbook;import jxl.write.WriteException;public class JExcelUtils {/*** 生成Excel文件* @param path 文件路径* @param sheetName 工作表名称* @param dataTitles 数据标题*/public void createExcelFile(String path,String sheetName,String[] dataTitles){ WritableWorkbook workbook;try{OutputStream os=new FileOutputStream(path);workbook=Workbook.createWorkbook(os);WritableSheet sheet = workbook.createSheet(sheetName, 0); //添加第一个工作表initialSheetSetting(sheet);Label label;for (int i=0; i<dataTitles.length; i++){//Label(列号,行号,内容,风格)label = new Label(i, 0, dataTitles[i],getTitleCellFormat());sheet.addCell(label);}//插入一行insertRowData(sheet,1,new String[]{"200201001","张三","100","60","100","260"},getDataCellFormat(CellType.STRING_FORMULA));//一个一个插入行label = new Label(0, 2,"200201002",getDataCellFormat(CellType.STRING_FORMULA));sheet.addCell(label);label = new Label(1, 2,"李四",getDataCellFormat(CellType.STRING_FORMULA));sheet.addCell(label);insertOneCellData(sheet,2,2,70.5,getDataCellFormat(CellType.NUMBER));insertOneCellData(sheet,3,2,90.523,getDataCellFormat(CellType.NUMBER));insertOneCellData(sheet,4,2,60.5,getDataCellFormat(CellType.NUMBER)); insertFormula(sheet,5,2,"C3+D3+E3",getDataCellFormat(CellType.NUMBER_FORMULA));//插入日期mergeCellsAndInsertData(sheet, 0, 3, 5, 3, new Date(), getDataCellFormat(CellType.DA TE));workbook.write();workbook.close();}catch(Exception e){e.printStackTrace();}}/*** 初始化表格属性* @param sheet*/public void initialSheetSetting(WritableSheet sheet){try{//sheet.getSettings().setProtected(true); //设置xls的保护，单元格为只读的sheet.getSettings().setDefaultColumnWidth(10); //设置列的默认宽度//sheet.setRowView(2,false);//行高自动扩展//setRowView(int row, int height);--行高//setColumnView(int col,int width); --列宽sheet.setColumnView(0,20);//设置第一列宽度}catch(Exception e){e.printStackTrace();}}/*** 插入公式* @param sheet* @param col* @param row* @param formula* @param format*/public void insertFormula(WritableSheet sheet,Integer col,Integer row,String formula,WritableCellFormat format){try{Formula f = new Formula(col, row, formula, format);sheet.addCell(f);}catch(Exception e){e.printStackTrace();}}/*** 插入一行数据* @param sheet 工作表* @param row 行号* @param content 内容* @param format 风格*/public void insertRowData(WritableSheet sheet,Integer row,String[] dataArr,WritableCellFormat format){try{Label label;for(int i=0;i<dataArr.length;i++){label = new Label(i,row,dataArr[i],format);sheet.addCell(label);}}catch(Exception e){e.printStackTrace();}}/*** 插入单元格数据* @param sheet* @param col* @param row* @param data*/public void insertOneCellData(WritableSheet sheet,Integer col,Integer row,Object data,WritableCellFormat format){try{if(data instanceof Double){jxl.write.Number labelNF = new jxl.write.Number(col,row,(Double)data,format);sheet.addCell(labelNF);}else if(data instanceof Boolean){jxl.write.Boolean labelB = new jxl.write.Boolean(col,row,(Boolean)data,format);sheet.addCell(labelB);}else if(data instanceof Date){jxl.write.DateTime labelDT = new jxl.write.DateTime(col,row,(Date)data,format);sheet.addCell(labelDT);setCellComments(labelDT, "这是个创建表的日期说明！");}else{Label label = new Label(col,row,data.toString(),format);sheet.addCell(label);}}catch(Exception e){e.printStackTrace();}}/*** 合并单元格，并插入数据* @param sheet* @param col_start* @param row_start* @param col_end* @param row_end* @param data* @param format*/public void mergeCellsAndInsertData(WritableSheet sheet,Integer col_start,Integer row_start,Integer col_end,Integer row_end,Object data, WritableCellFormat format){ try{sheet.mergeCells(col_start,row_start,col_end,row_end);//左上角到右下角insertOneCellData(sheet, col_start, row_start, data, format);}catch(Exception e){e.printStackTrace();}}/*** 给单元格加注释* @param label* @param comments*/public void setCellComments(Object label,String comments){WritableCellFeatures cellFeatures = new WritableCellFeatures();cellFeatures.setComment(comments);if(label instanceof jxl.write.Number){jxl.write.Number num = (jxl.write.Number)label;num.setCellFeatures(cellFeatures);}else if(label instanceof jxl.write.Boolean){jxl.write.Boolean bool = (jxl.write.Boolean)label;bool.setCellFeatures(cellFeatures);}else if(label instanceof jxl.write.DateTime){jxl.write.DateTime dt = (jxl.write.DateTime)label;dt.setCellFeatures(cellFeatures);}else{Label _label = (Label)label;_label.setCellFeatures(cellFeatures);}}/*** 读取excel* @param inputFile* @param inputFileSheetIndex* @throws Exception*/public ArrayList<String> readDataFromExcel(File inputFile, int inputFileSheetIndex){ ArrayList<String> list = new ArrayList<String>();Workbook book = null;Cell cell = null;WorkbookSettings setting = new WorkbookSettings();java.util.Locale locale = new java.util.Locale("zh","CN");setting.setLocale(locale);setting.setEncoding("ISO-8859-1");try{book = Workbook.getWorkbook(inputFile, setting);}catch(Exception e){e.printStackTrace();}Sheet sheet = book.getSheet(inputFileSheetIndex);for (int rowIndex = 0; rowIndex < sheet.getRows(); rowIndex++) {//行for (int colIndex = 0; colIndex < sheet.getColumns(); colIndex++) {//列cell = sheet.getCell(colIndex, rowIndex);//System.out.println(cell.getContents());list.add(cell.getContents());}}book.close();return list;}/*** 得到数据表头格式* @return*/public WritableCellFormat getTitleCellFormat(){WritableCellFormat wcf = null;try {//字体样式WritableFont wf = new WritableFont(WritableFont.TIMES,12, WritableFont.NO_BOLD,false);//最后一个为是否italicwf.setColour(Colour.RED);wcf = new WritableCellFormat(wf);//对齐方式wcf.setAlignment(Alignment.CENTRE);wcf.setVerticalAlignment(VerticalAlignment.CENTRE);//边框wcf.setBorder(Border.ALL,BorderLineStyle.THIN);//背景色wcf.setBackground(Colour.GREY_25_PERCENT);} catch (WriteException e) {e.printStackTrace();}return wcf;}/*** 得到数据格式* @return*/public WritableCellFormat getDataCellFormat(CellType type){WritableCellFormat wcf = null;try {//字体样式if(type == CellType.NUMBER || type == CellType.NUMBER_FORMULA){//数字NumberFormat nf = new NumberFormat("#.00");wcf = new WritableCellFormat(nf);}else if(type == CellType.DATE || type == CellType.DATE_FORMULA){//日期jxl.write.DateFormat df = new jxl.write.DateFormat("yyyy-MM-dd hh:mm:ss");wcf = new jxl.write.WritableCellFormat(df);}else{WritableFont wf = new WritableFont(WritableFont.TIMES,10, WritableFont.NO_BOLD,false);//最后一个为是否italicwcf = new WritableCellFormat(wf);}//对齐方式wcf.setAlignment(Alignment.CENTRE);wcf.setVerticalAlignment(VerticalAlignment.CENTRE);//边框wcf.setBorder(Border.LEFT,BorderLineStyle.THIN);wcf.setBorder(Border.BOTTOM,BorderLineStyle.THIN);wcf.setBorder(Border.RIGHT,BorderLineStyle.THIN);//背景色wcf.setBackground(Colour.WHITE);wcf.setWrap(true);//自动换行} catch (WriteException e) {e.printStackTrace();}return wcf;}/*** 打开文件看看* @param exePath* @param filePath*/public void openExcel(String exePath,String filePath){Runtime r=Runtime.getRuntime();String cmd[]={exePath,filePath};try{r.exec(cmd);}catch(Exception e){e.printStackTrace();}}public static void main(String[] args){String[] titles = {"学号","姓名","语文","数学","英语","总分"};JExcelUtils jxl = new JExcelUtils();String filePath = "E:/test.xls";jxl.createExcelFile(filePath,"成绩单",titles);jxl.readDataFromExcel(new File(filePath),0);jxl.openExcel("C:/Program Files (x86)/Microsoft Office/OFFICE11/EXCEL.EXE",filePath);}}。