jxl操作excel

jxl操作excel例子（转）(2009-11-03 21:28:09)
转载标签： jxlexcelit 分类： Java技术 
package com.dbs.vote.common.test.excel;

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 jxl.write.Label; 
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 { 

    
   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.DATE)); 
            
           workbook.write();  
           workbook.close(); 
       }catch(Exception e){ 
           e.printStackTrace(); 
       } 
   } 
    
   
   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(); 
      } 
   } 
    
   
   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(); 
       } 
   } 
    
   
   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(); 
       } 
   } 
    
   
   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(); 
       } 

  } 
    
   
   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(); 
      } 

   } 
    
   
   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); 
       } 
   } 
    
   
   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; 
   } 

   
   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italic 
           wf.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; 
   } 
    
   
   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italic 
               wcf = 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; 
   } 
    
   
   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/Microsoft Office/OFFICE11/EXCEL.EXE",filePath); 
   } 
}

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