源码分享,computer就不贴了
package com.qiang.poi;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.List;
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
public class ReadExcel {
public static void main(String[] args) throws IOException {
File file = new File("test1.xls");
if(!file.exists()){
file.createNewFile();
}
List<Computer> computers = new ArrayList<Computer>();
computers.add(new Computer(1,"宏碁","笔记本电脑",3333,9.0));
computers.add(new Computer(2,"苹果","笔记本电脑,一体机",8888,9.6));
computers.add(new Computer(3,"联想","笔记本电脑,台式机",4444,9.3));
computers.add(new Computer(4, "华硕", "笔记本电脑,平板电脑",3555,8.6));
computers.add(new Computer(5, "注解", "以上价格均为捏造,如有雷同,纯属巧合", 1.0, 9.9));
write2excel(computers, file);
}
public static void write2excel(List<Computer> computers,File file) {
HSSFWorkbook excel = new HSSFWorkbook();
HSSFSheet sheet = excel.createSheet("computer");
HSSFRow firstRow = sheet.createRow(0);
HSSFCell cells[] = new HSSFCell[5];
String[] titles = new String[] { "id", "name", "description", "price",
"credit" };
for (int i = 0; i < 5; i++) {
cells[0] = firstRow.createCell(i);
cells[0].setCellValue(titles[i]);
}
for (int i = 0; i < computers.size(); i++) {
HSSFRow row = sheet.createRow(i + 1);
Computer computer = computers.get(i);
HSSFCell cell = row.createCell(0);
cell.setCellValue(computer.getId());
cell = row.createCell(1);
cell.setCellValue(computer.getName());
cell = row.createCell(2);
cell.setCellValue(computer.getDescription());
cell = row.createCell(3);
cell.setCellValue(computer.getPrice());
cell = row.createCell(4);
cell.setCellValue(computer.getCredit());
}
OutputStream out = null;
try {
out = new FileOutputStream(file);
excel.write(out);
out.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
}