利用apache poi来创建excel报表的例子，可供学习

五郎.

　　要用到poi创建excel的同志来这里看看，会的给点意见，不会的学习学习 ，
　　注：poi的jar包自己到官网下载

package com.poi;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.CellStyle;
import org.apache.poi.ss.usermodel.Font;
import org.apache.poi.ss.usermodel.IndexedColors;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
public class WorkBook {
public static void main(String[] args) {
String outPath = "D:\\输出文档";
WorkBook workBook = new WorkBook();
List<String> emplist = new ArrayList<String>();
StringBuffer sb = new StringBuffer();
for (int i = 0; i < 10; i++) {
sb.append(i+"`");
sb.append("卢水发"+i+"`");
sb.append("158706885 -"+i+"`");
sb.append("男");
sb.append("java软件工程师");
emplist.add(sb.toString());
sb = new StringBuffer();
}
String result = workBook.createWorkBook(emplist,outPath);
System.out.println("程序创建工作本的结果是："+result);
}
/**
* 工作本
* @param outPath
* @return
*/
public String createWorkBook(List emplist,String outPath){
try {
File file = new File(outPath);
if(!file.exists()){
file.mkdirs();
}
//创建工作簿
Workbook wb = new HSSFWorkbook();
//创建工作表
Sheet sheet1 = wb.createSheet("员工表");
//创建一行
for (int i = 0; i < emplist.size(); i++) {
String emp = (String) emplist.get(i);
String[] emps = emp.split("`");
Row row = sheet1.createRow(i);
System.out.println("第 "+i+" 行。"+emp);
for (int j = 0; j < emps.length; j++) {
sheet1.setColumnWidth(j, 20 * 256);
sheet1.setDefaultRowHeight((short) (2 * 256));
createCell(wb,emps[j], row, (short) j, CellStyle.ALIGN_CENTER, CellStyle.ALIGN_CENTER);
System.out.println("第 "+i+" 行。第"+j+"单元格");
}
}
Sheet sheet2 = wb.createSheet("考勤表");
Sheet sheet3 = wb.createSheet("宝宝表");
FileOutputStream fileOut = new FileOutputStream(file+"\\workbook.xls");
wb.write(fileOut);
fileOut.close();
return "输出"+file+"成功了！";
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return "出错了！";
}
//设置表格的对齐样式
private static void createCell(Workbook wb,String cellValue, Row row, short column, short halign, short valign) {
Cell cell = row.createCell(column);
cell.setCellValue(cellValue);
CellStyle cellStyle = wb.createCellStyle();
cellStyle.setAlignment(halign);
cellStyle.setVerticalAlignment(valign);
//设置边框颜色
cellStyle.setBorderBottom(CellStyle.BORDER_THIN);
cellStyle.setBottomBorderColor(IndexedColors.GREEN.getIndex());
cellStyle.setBorderLeft(CellStyle.BORDER_THIN);
cellStyle.setLeftBorderColor(IndexedColors.GREEN.getIndex());
cellStyle.setBorderRight(CellStyle.BORDER_THIN);
cellStyle.setRightBorderColor(IndexedColors.GREEN.getIndex());
cellStyle.setBorderTop(CellStyle.BORDER_THIN);
cellStyle.setTopBorderColor(IndexedColors.GREEN.getIndex());
//设置字体
Font font = wb.createFont();
font.setFontHeightInPoints((short)12);
font.setFontName("Courier New");
font.setItalic(false);
font.setBoldweight((short)2);
cellStyle.setFont(font);
cell.setCellStyle(cellStyle);
}
}