Jxl导出Excel（跨行、设置列宽、设置行高、自动对齐、自定义背景等）

package com.exl.test;
import java.awt.Color;
import java.io.File;
import jxl.CellView;
import jxl.Workbook;
import jxl.format.Alignment;
import jxl.format.Colour;
import jxl.format.UnderlineStyle;
import jxl.write.Label;
import jxl.write.WritableCellFormat;
import jxl.write.WritableFont;
import jxl.write.WritableSheet;
import jxl.write.WritableWorkbook;
import com.exl.utils.ColourUtil;
public class Test {
   public static void main(String[] args) throws Exception {
   String title="报表测试";
   String[] navTitle= {"第一行","第二行","第三行","第四行","第五行","第六行","第七行","第八行"};  
   String[][] content={
   {"1","2","第naionfdapfn三行","第四niaodnfoanfdas行","第noandfoasnjdf五行","第六sdfadsafas行","第afdadfasdfs七a行","第adfasfdasf八行"},
   {"2","2","第三行","第四行","第五行","第六行","第七行","sssssssssss第八sss行"},
   {"3","2","第三行","第四行","第五行","第六行","第七行","第八行sssssssssssss"},
   {"4","2","第三行","第四行","第sssssssssssssss五行","第ssssssssssssssssssss六行","第七行","第八行sssssssss"},
   {"5","2","第三行","第ddddddddddddddddddddddddddddddddddddddddddddddddddddddddd四行","第五行","第六行","第七行","第八行"},
   {"6","2","第三行","第四行","第五行","第六行","第七行","第八行"},
   {"7","2","第三行","第四ddddddddddddddddddddddddddddddd行","第五行","第六行","第七行","第八行"},
   {"8","2","第三行","第四行","第五行","第六行","第七行","第八行"},
   {"9","2","第三行","第ddddddddddddddddddddddddddddddd四行","第五行","第六行","第七行","第八行"},
   {"10","2","第三行","第四行","第五行","第六行","第七行","第八行"},
   {"11","2","第三行","第四行","第五行","第六dddddddddddddd行","第七行","第八行"},
   {"12","2","第三行","第四行","第五行","第六行","第七行","第八行"},
   {"13","2","第三行","第四行","第五行","dddddddddddddddddddddd第六行","第七行","第八行"},
   {"14","2","第三行","第四行","第五行","第dddddddddddddddddddddd六行","第七行","第八行"},
   };  
   String filePath="D:\\DesignSource\\tempT";
   String fileName="NewProject.xls";
   File dir=new  File(filePath);
   if(!dir.isDirectory()){
   dir.mkdirs();
   }
   
       File file = new File(filePath+"\\"+fileName);
       WritableWorkbook workbook = Workbook.createWorkbook(file);  
       WritableSheet sheet = workbook.createSheet("报表统计", 0);  //单元格
       /**
        * title
        */
       Label lab = null;  
       WritableFont   wf2   =   new   WritableFont(WritableFont.ARIAL,14,WritableFont.BOLD,false,UnderlineStyle.NO_UNDERLINE,jxl.format.Colour.BLACK); // 定义格式 字体 下划线 斜体 粗体 颜色
       WritableCellFormat wcfTitle = new WritableCellFormat(wf2);
       wcfTitle.setBackground(jxl.format.Colour.IVORY);  //象牙白
       wcfTitle.setBorder(jxl.format.Border.ALL, jxl.format.BorderLineStyle.THIN,jxl.format.Colour.BLACK); //BorderLineStyle边框
       //       wcfTitle.setVerticalAlignment(VerticalAlignment.CENTRE); //设置垂直对齐
       wcfTitle.setAlignment(Alignment.CENTRE); //设置垂直对齐
       
       CellView navCellView = new CellView();  
       navCellView.setAutosize(true); //设置自动大小
       navCellView.setSize(18);
       
       lab = new Label(0,0,title,wcfTitle); //Label(col,row,str);   
       sheet.mergeCells(0,0,navTitle.length-1,0);
       sheet.setColumnView(0, navCellView); //设置col显示样式
       sheet.setRowView(0, 1600, false); //设置行高
       sheet.addCell(lab);  
       /**
        * status
        */
       
       
       /**
        * nav
        */
       jxl.write.WritableFont wfcNav =new jxl.write.WritableFont(WritableFont.ARIAL,12, WritableFont.BOLD,false,UnderlineStyle.NO_UNDERLINE,jxl.format.Colour.BLACK);
        WritableCellFormat wcfN=new WritableCellFormat(wfcNav);
        
        Color color = Color.decode("#0099cc"); // 自定义的颜色
workbook.setColourRGB(Colour.ORANGE, color.getRed(),color.getGreen(), color.getBlue());
       wcfN.setBackground(Colour.ORANGE);
       wcfN.setBorder(jxl.format.Border.ALL, jxl.format.BorderLineStyle.THIN,jxl.format.Colour.BLACK); //BorderLineStyle边框
       wcfN.setAlignment(Alignment.CENTRE); //设置水平对齐
       wcfN.setWrap(false); //设置自动换行
       for(int i=0;i<navTitle.length;i++){
       lab = new Label(i,1,navTitle[i],wcfN); //Label(col,row,str);   
       sheet.addCell(lab);  
       sheet.setColumnView(i, new String(navTitle[i]).length());  
       }
       
       /**
        * 内容
        */
       jxl.write.WritableFont wfcontent =new jxl.write.WritableFont(WritableFont.ARIAL,12, WritableFont.NO_BOLD,false,UnderlineStyle.NO_UNDERLINE,jxl.format.Colour.GREEN);
       WritableCellFormat wcfcontent = new WritableCellFormat(wfcontent);
       wcfcontent.setBorder(jxl.format.Border.ALL, jxl.format.BorderLineStyle.THIN,jxl.format.Colour.BLACK); //BorderLineStyle边框
       wcfcontent.setAlignment(Alignment.CENTRE);
       CellView cellView = new CellView();  
       cellView.setAutosize(true); //设置自动大小
       for(int i=0;i<content.length;i++){  
           for(int j=0;j<content[i].length;j++){  
           sheet.setColumnView(i, cellView);//根据内容自动设置列宽  
           lab = new Label(j,i+2,content[i][j],wcfcontent); //Label(col,row,str);  
               sheet.addCell(lab);  
//               sheet.setColumnView(j, new String(content[i][j]).length());  
           }  
       }  
       
       workbook.write();  
       workbook.close();  
}
}

本文转自  http://www.blogjava.net/17learning/archive/2013/10/17/405065.html