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[/code]