excel创建行、插入行、设置样式

package com.thinkgem.jeesite.modules.result.utils;

import java.io.IOException;
import java.io.OutputStream;
import java.util.Date;

import javax.servlet.http.HttpServletResponse;

import org.apache.poi.ss.usermodel.BorderStyle;
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.HorizontalAlignment;
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.VerticalAlignment;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.ss.util.CellRangeAddress;

import com.thinkgem.jeesite.common.utils.Encodes;
/**
 * 给单元格设值
 * @author admin
 *
 */
public class ExcelUtil {
    private   Workbook workbook=null;
    private   Sheet sheet = null;
    
     public ExcelUtil() {
        super();
    }
     
    public ExcelUtil(Workbook workbook,Sheet sheet) {
        super();
        this.workbook=workbook;
        this.sheet = sheet;
    }
    
    /**
     * 设置单元格样式
     * @param row
     */
    public void setCellStyle(Row row) {
        CellStyle style = workbook.createCellStyle();
        style.setAlignment(HorizontalAlignment.CENTER);// 水平居中
        style.setVerticalAlignment(VerticalAlignment.CENTER);// 垂直居中
        style.setWrapText(true);// 自动换行
        Font dataFont =workbook .createFont();
        dataFont.setFontName("宋体");
        dataFont.setFontHeightInPoints((short) 12);
        //dataFont.setBold(true); // 字体加粗
        style.setFont(dataFont);
        style.setBorderRight(BorderStyle.THIN);// 右边框
        style.setRightBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
        style.setBorderLeft(BorderStyle.THIN);// 左边框
        style.setLeftBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
        style.setBorderTop(BorderStyle.THIN); // 上边框
        style.setTopBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
        style.setBorderBottom(BorderStyle.THIN); // 下边框
        style.setBottomBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
        
        row.createCell(0).setCellStyle(style);
        row.createCell(1).setCellStyle(style);
        row.createCell(2).setCellStyle(style);
        row.createCell(3).setCellStyle(style);
        row.createCell(4).setCellStyle(style);
        row.createCell(5).setCellStyle(style);
        row.createCell(6).setCellStyle(style);
        row.createCell(7).setCellStyle(style);
        row.createCell(8).setCellStyle(style);
        row.createCell(9).setCellStyle(style);
    }
    
    /**
     * 另选人：创建行并设置样式
     * @param rowNumber
     * 创建的行数
     */
    public void createRow(Integer rowNumber) {
        int lastRowNum = sheet.getLastRowNum();
        lastRowNum++;
        for (int i = 0; i < rowNumber; i++) {
            Row row = sheet.createRow(lastRowNum);    //创建行
            //合并单元格
            CellRangeAddress region=new CellRangeAddress(lastRowNum,lastRowNum, (short) 0, (short) 1);
            CellRangeAddress region1=new CellRangeAddress(lastRowNum,lastRowNum, (short) 3, (short) 4);
            CellRangeAddress region2=new CellRangeAddress(lastRowNum,lastRowNum, (short) 5, (short) 6);
            CellRangeAddress region3=new CellRangeAddress(lastRowNum,lastRowNum, (short) 8, (short) 9);
            sheet.addMergedRegion(region);
            sheet.addMergedRegion(region1);
            sheet.addMergedRegion(region2);
            sheet.addMergedRegion(region3);
            setCellStyle(row);//设置样式
            lastRowNum++;
        }
    }
    public void createRow1() {
        int lastRowNum = sheet.getLastRowNum();
        lastRowNum++;
        Row row = sheet.createRow(lastRowNum);    //创建行
        //合并单元格
        CellRangeAddress region=new CellRangeAddress(lastRowNum,lastRowNum, (short) 0, (short) 1);
        CellRangeAddress region1=new CellRangeAddress(lastRowNum,lastRowNum, (short) 2, (short) 3);
        row.createCell(4);
        CellRangeAddress region2=new CellRangeAddress(lastRowNum,lastRowNum, (short) 5, (short) 6);
        row.createCell(7);
        CellRangeAddress region3=new CellRangeAddress(lastRowNum,lastRowNum, (short) 8, (short) 9);
        sheet.addMergedRegion(region);
        sheet.addMergedRegion(region1);
        sheet.addMergedRegion(region2);
        sheet.addMergedRegion(region3);
        setCellStyle(row);//设置样式
    }
    
    /**
     * 正式候选人：创建行并设置样式
     * @param rowNumber
     */
    public void createRow1(Integer rowNumber) {
        int row=11;
        for (int i = 0; i < rowNumber; i++) {
            sheet.shiftRows(row, sheet.getLastRowNum(), 1,true,true);//从指定行开始创建（插入）
            Row createRow = sheet.createRow(row);
            CellRangeAddress region=new CellRangeAddress(row,row, (short) 0, (short) 1);
            sheet.addMergedRegion(region);
            CellRangeAddress region1=new CellRangeAddress(row,row, (short) 2, (short) 3);
            sheet.addMergedRegion(region1);
            CellRangeAddress region2=new CellRangeAddress(row,row, (short) 4, (short) 5);
            sheet.addMergedRegion(region2);
            CellRangeAddress region3=new CellRangeAddress(row,row, (short) 6, (short) 7);
            sheet.addMergedRegion(region3);
            CellRangeAddress region4=new CellRangeAddress(row,row, (short) 8, (short) 9);
            sheet.addMergedRegion(region4);
            setCellStyle(createRow);
        }
    }
    
    
    
    /**
     * 设置字符串
     * @param rowIndex
     * @param cellnum
     * @param value
     */
    public  void setCellStrValue(int rowIndex, int cellnum, String value) {
        Cell cell = sheet.getRow(rowIndex).getCell(cellnum);
        cell.setCellValue(value);
    }
 
    /**
     * 设置日期/时间类型的数据
     * @param rowIndex
     * @param cellnum
     * @param value
     */
    public  void setCellDateValue(int rowIndex, int cellnum, Date date) {
        Cell cell = sheet.getRow(rowIndex).getCell(cellnum);
        cell.setCellValue(date);
    }
    
    /**
     * 输出到客户端
     * @param fileName 输出文件名
     */
    public static void write(Workbook workbook,HttpServletResponse response, String fileName) throws IOException{
        response.reset();
        response.setContentType("application/octet-stream; charset=utf-8");
        response.setHeader("Content-Disposition", "attachment; filename="+Encodes.urlEncode(fileName));
        OutputStream out = response.getOutputStream();
        workbook.write(out);
        out.close();
    }
    
    public void createRows(Integer rowNumber) {
        Row row = sheet.createRow(rowNumber);    //创建行
        setCellStyle(row);//设置样式
    }

}