java-poi创建模板

package com.jy.demo.web;import java.io.FileOutputStream;import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.xssf.usermodel.XSSFCellStyle;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;public class TestExcel { public static void main(String[] args) throws Exception {
Workbook wb = new XSSFWorkbook(); // or new XSSFWorkbook(); Sheet sheet = wb.createSheet("sheet1");
Row rowt = sheet.createRow(0); Cell cellt = rowt.createCell(0);
cellt.setCellValue("学号"); Cell cell1t = rowt.createCell(1);
cell1t.setCellValue("姓名"); Cell cell2t11 = rowt.createCell(2);
cell2t11.setCellValue("性别"); Cell cell2t = rowt.createCell(3);
cell2t.setCellValue("科目"); Cell cell2t1 = rowt.createCell(4);
cell2t1.setCellValue("成绩"); // 创建单元格样式对象
XSSFCellStyle alignStyle = (XSSFCellStyle) wb.createCellStyle();
alignStyle.setAlignment(XSSFCellStyle.ALIGN_CENTER); // 居中对齐
alignStyle.setVerticalAlignment(XSSFCellStyle.VERTICAL_CENTER);
cellt.setCellStyle(alignStyle); int y = 2;
int num = 0;
for (int i = 1; i <= 30; i = i + 3) {
num++;
Row row1 = sheet.createRow(i); Cell cell1 = row1.createCell(0);
sheet.addMergedRegion(CellRangeAddress.valueOf("$A$" + y + ":$A$"+ (y + 2)));
cell1.setCellValue("00" + num);
cell1.setCellStyle(alignStyle); Cell cell2 = row1.createCell(1);
sheet.addMergedRegion(CellRangeAddress.valueOf("$B$" + y + ":$B$"+ (y + 2)));
cell2.setCellValue("张三");
cell2.setCellStyle(alignStyle); Cell cell21 = row1.createCell(2);
sheet.addMergedRegion(CellRangeAddress.valueOf("$C$" + y + ":$C$"+ (y + 2)));
cell21.setCellValue("男");
cell21.setCellStyle(alignStyle); y = y + 3; Cell cell3 = row1.createCell(3);
cell3.setCellValue("语文"); Row row2 = sheet.createRow(i + 1);
Cell cellr2 = row2.createCell(3);
cellr2.setCellValue("数学"); Row row3 = sheet.createRow(i + 2);
Cell cellr3 = row3.createCell(3);
cellr3.setCellValue("英语"); Cell cell4 = row1.createCell(4);
cell4.setCellValue("1222"); Cell cell41 = row2.createCell(4);
cell41.setCellValue("98"); Cell cell411 = row3.createCell(4);
cell411.setCellValue("981"); }
FileOutputStream fileOut = new FileOutputStream("E:\\workbook.xls");
wb.write(fileOut);
fileOut.close();
}}