返回目录：excel表格制作
1./**
* 出险信息导出到excel（fc）
* @param mapping
* @param form
* @param request
* @param response
* @throws IOException
*/
public void exportActoExcel(ActionMapping mapping, ActionForm form ,
HttpServletRequest request,HttpServletResponse response) throws IOException {
ActionErrors errors = new ActionErrors();
AcExcelBusi acBusi = new AcExcelBusi();
AccidentRecordForm arForm= (AccidentRecordForm) form;
AccidentRecordBusi arBusi = new AccidentRecordBusi();
// ////查询条件
FwUsers sessUser = (FwUsers)request.getSession().getAttribute(ConstValues.SESS_USER_MANAGE);
Map<String,Object> cisMap = arBusi.getTodoPageList(arForm,sessUser,errors);
List AcList = null;// 当页的记录
if (null != cisMap) {
AcList = (List) cisMap.get("list");
}
//导出excel的路径、文件名
String uuid = UUID.create("exp");
String path = request.getSession().getServletContext().getRealPath("/") + ConstValues.EXP_PATH_EXCEL + uuid + ".xls";
acBusi.exprotAcExcel(AcList, path,request);
response.sendRedirect("stdownload.jsp?path=" + path );
}
2./**
* 导出出险信息 fc
*
* @param jzForm
* 查询条件
* @param sessionUser
* 当前登录session用户
* @param errors
* Action错误
* @return
*/
public void exprotAcExcel(List list, String path,HttpServletRequest request) {
try {
WritableWorkbook workbook = Workbook.createWorkbook(new File(path));// 创建工作簿(filePos为excel文件的路径)
WritableSheet sheet = workbook.createSheet("出险信息", 0);// 创建工作页
// 内容(居中)单元格样式
WritableCellFormat contentStyle = new WritableCellFormat(); //
contentStyle.setAlignment(jxl.format.Alignment.CENTRE); // 设置对齐方式
contentStyle.setBorder(jxl.format.Border.ALL,
jxl.format.BorderLineStyle.THIN); // 设置边e68a847a64339框
// 一级标题单元格样式
WritableFont wf1 = new WritableFont(WritableFont.ARIAL, 15,
WritableFont.BOLD, false); // 定义格式 字体 下划线 斜体 粗体 颜色
WritableCellFormat titleStyle1 = new WritableCellFormat(wf1); //
titleStyle1.setBackground(jxl.format.Colour.GREEN); // 设置单元格的背景颜色
titleStyle1.setAlignment(jxl.format.Alignment.CENTRE); // 设置对齐方式
titleStyle1.setBorder(jxl.format.Border.ALL,
jxl.format.BorderLineStyle.THIN); // 设置边框
// 二级标题单元格样式
WritableFont wf2 = new WritableFont(WritableFont.ARIAL, 11,
WritableFont.BOLD, false); // 定义格式 字体 下划线 斜体 粗体 颜色
WritableCellFormat titleStyle2 = new WritableCellFormat(wf2); //
titleStyle2.setBackground(jxl.format.Colour.GREY_25_PERCENT); // 设置单元格的背景颜色
titleStyle2.setAlignment(jxl.format.Alignment.CENTRE); // 设置水平对齐方式
titleStyle2
.setVerticalAlignment(jxl.format.VerticalAlignment.CENTRE); // 设置垂直对齐方式
titleStyle2.setBorder(jxl.format.Border.ALL,
jxl.format.BorderLineStyle.THIN); // 设置边框
WritableCellFormat titleStyle3 = new WritableCellFormat(wf1); //
titleStyle3.setBackground(jxl.format.Colour.BRIGHT_GREEN); // 设置单元格的背景颜色
titleStyle3.setAlignment(jxl.format.Alignment.CENTRE); // 设置对齐方式
titleStyle3.setBorder(jxl.format.Border.ALL,
jxl.format.BorderLineStyle.THIN); // 设置边框
// 设置冻结单元格
sheet.getSettings().setVerticalFreeze(2);
sheet.getSettings().setHorizontalFreeze(5);
sheet.setColumnView(0, 8); // 设置列的宽度
sheet.setColumnView(1, 10); // 设置列的宽度
sheet.setRowView(0, 0);
sheet.addCell(new Label(0, 0, "hysj5800294*#", titleStyle1));// 标题
sheet.addCell(new Label(0, 1, "出险信息 ", titleStyle2));// 标题
sheet.mergeCells(0, 2, 33, 2); // 合并单元格
sheet.addCell(new Label(0, 2, "出险信息 ", titleStyle1));// 标题
sheet.addCell(new Label(0, 3, "序号", titleStyle2));// 往单元格中填写数据
sheet.addCell(new Label(1, 3, "省内/省外", titleStyle2));// 往单元格中填写数据
if (list != null && list.size() > 0) {
for (int i = 0; i < list.size(); i++) {
sheet.setRowView(i + 3, 300); // 设置行高
//转换数据信息
//Object[] obj = (Object[]) list.get(i);
AccidentRecord ar = (AccidentRecord) list.get(i);
sheet.addCell(new Label(0, i + 4, String.valueOf(i + 1),contentStyle));// 往单元格中填写数据 序号
sheet.addCell(new Label(1, i + 4, ar.getLicenceProvince().toString(),contentStyle));// 省内/省外
}
}
workbook.write();// 书写到工作簿
workbook.close();// 关闭工作簿,输出完成
} catch (Exception e) {
e.printStackTrace();
}
}
}
3.功能可以实现，可以到处，点击下载确定。
4.打开已经下载的excel，如图显示结果。得到想要的结构。
导入数据库
@RequestMapping("/uploadOrderFile")
@ResponseBody
public Object uploadOrderFile(HttpServletRequest request, HttpServletResponse response,@RequestParam(value = "file") MultipartFile[] files) throws ServletException, IOException, ParseException{
Workbook rwb=null;
if(files!=null && files.length>0){
try {
// String filePath = request.getSession().getServletContext().getRealPath("/") + "\\uploadOrderFile\\" + files.getOriginalFilename();
// System.out.println("----------"+filePath);
rwb = Workbook.getWorkbook(files[0].getInputStream());
Sheet rs=rwb.getSheet(0);//默认0是第一张表，或者rwb.getSheet(Sheet1)Excel要导入的表名
int clos=rs.getColumns();//得到所有的列
int rows=rs.getRows();//得到所有的行
//存放Excel表抬头名称以及对应的列
Map<Integer,Object> map=new HashMap<Integer, Object>();
//实体类集合存放每次循环获得的值
List<Medicine> medicineList=new ArrayList<Medicine>();
for (int i = 0; i < rows; i++) {
//创建实体类
Medicine medicine=new Medicine();
if(i==0){//遍历第一行获取抬头跟对应的列
for (int j = 0; j <clos; j++) {//取得每个抬e799bee5baa6e997aee7ad94e58685e5aeb9331头名称对应的列
if(rs.getCell(j, i).getContents().equals("品名")){
map.put(j,"品名");
}else if(rs.getCell(j, i).getContents().equals("商品编号")){
map.put(j,"商品编号");
}else if(rs.getCell(j, i).getContents().equals("生产日期")){
map.put(j,"生产日期");
}else if(rs.getCell(j, i).getContents().equals("产地")){
map.put(j,"产地");
}else if(rs.getCell(j, i).getContents().equals("生产厂家")){
map.put(j,"生产厂家");
}else if(rs.getCell(j, i).getContents().equals("批号")){
map.put(j,"批号");
}
}
}else{
//循环遍历map 》》》存的Excel表的抬头名称以及对应的列
for (int j = 0; j < clos; j++) {
if(map.get(j)==null){//如果=null 进入下一个循环
continue;
}
if(map.get(j).equals("品名")){
//如果为空结束当前循环，进入下一个循环
if(rs.getCell(j, i).getContents()==null||rs.getCell(j, i).getContents().equals("")){
continue;
}
medicine.setMedicineName(rs.getCell(j, i).getContents());
}else if(map.get(j).equals("商品编号")&&map.get(j)!=null){
//如果为空结束当前循环，进入下一个循环
if(rs.getCell(j, i).getContents()==null||rs.getCell(j, i).getContents().equals("")){
continue;
}
medicine.setMedicineCode(rs.getCell(j, i).getContents());
}else if(map.get(j).equals("生产日期")&&map.get(j)!=null){
medicine.setCreateTime(rs.getCell(j, i).getContents());
if(rs.getCell(j, i).getContents()!=null && !rs.getCell(j, i).getContents().equals("")){
//如果生产日期存在 则+三年给到期日期赋值
//CommonUtil.getMedicineEffectiveTime为封装好的类
medicine.setEffectTime(CommonUtil.getMedicineEffectiveTime(rs.getCell(j, i).getContents(),3));
}
}else if(map.get(j).equals("产地")&&map.get(j)!=null){
medicine.setAddress(rs.getCell(j, i).getContents());
}else if(map.get(j).equals("生产厂家")&&map.get(j)!=null){
medicine.setProducingArea(rs.getCell(j, i).getContents());
}else if(map.get(j).equals("批号")&&map.get(j)!=null){
medicine.setBatchNumber(rs.getCell(j, i).getContents());
}
}
medicineList.add(medicine);//获得的值放入集合中
}
}
//新增用到的list
List<Medicine> addList=new ArrayList<Medicine>();
//修改用到的list
List<Medicine> updateList=new ArrayList<Medicine>();
//导入数据
for(int i=0;i<medicineList.size();i++){
//判断商品编号是否存在
if(medicineService.selectMedicineCode(medicineList.get(i).getMedicineCode()).size()>0){
//如果存在则修改
updateList.add(medicineList.get(i));
}else{
addList.add(medicineList.get(i));
}
}
int update=0;
int add=0;
if(updateList!=null&&updateList.size()>0){
update=medicineService.updateMedicine(updateList);
}
if(addList!=null&&addList.size()>0){
add= medicineService.addMedicine(addList);
}
if(update>0||add>0){
return new ResponseModel().attr(ResponseModel.KEY_DATA,"数据导入成功！");
}else{
return new ResponseModel().attr(ResponseModel.KEY_ERROR,"数据导入失败！");
}
} catch (BiffException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}else{
return new ResponseModel().attr(ResponseModel.KEY_ERROR,"没有需要导入的数据！");
}
return null;
}导出
package beans.excel;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Calendar;
import java.util.Date;
import jxl.Workbook;
import jxl.format.Colour;
import jxl.format.UnderlineStyle;
import jxl.write.Boolean;
import jxl.write.DateFormats;
import jxl.write.DateTime;
import jxl.write.Label;
import jxl.write.Number;
import jxl.write.WritableCellFormat;
import jxl.write.WritableFont;
import jxl.write.WritableSheet;
import jxl.write.WritableWorkbook;
import jxl.write.WriteException;
public class MutiStyleExcelWrite {
public void createExcel(OutputStream os) throws WriteException,IOException {
//创建工作薄
WritableWorkbook workbook = Workbook.createWorkbook(os);
//创建新的一页
WritableSheet sheet = workbook.createSheet("First Sheet", 0);
//构造表头
sheet.mergeCells(0, 0, 4, 0);//添加合并单元格，第一个参数是起始列，第二个参数是起始行，第三个参数是终止列，第四个参数是终止行
WritableFont bold = new WritableFont(WritableFont.ARIAL,10,WritableFont.BOLD);//设置字体种类和黑体显示,字体为Arial,字号大小为10,采用黑体显示
WritableCellFormat titleFormate = new WritableCellFormat(bold);//生成一个单元格样式控制对象
titleFormate.setAlignment(jxl.format.Alignment.CENTRE);//单元格中的内容水平方向居中
titleFormate.setVerticalAlignment(jxl.format.VerticalAlignment.CENTRE);//单元格的内容垂直方向居中
Label title = new Label(0,0,"JExcelApi支持数据类型详细说明",titleFormate);
sheet.setRowView(0, 600, false);//设置第一行的高度
sheet.addCell(title);
//创建要显示的具体内容
WritableFont color = new WritableFont(WritableFont.ARIAL);//选择字体
color.setColour(Colour.GOLD);//设置字体颜色为金黄色
WritableCellFormat colorFormat = new WritableCellFormat(color);
Label formate = new Label(0,1,"数据格式",colorFormat);
sheet.addCell(formate);
Label floats = new Label(1,1,"浮点型");
sheet.addCell(floats);
Label integers = new Label(2,1,"整型");
sheet.addCell(integers);
Label booleans = new Label(3,1,"布尔型");
sheet.addCell(booleans);
Label dates = new Label(4,1,"日期格式");
sheet.addCell(dates);
Label example = new Label(0,2,"数据示例",colorFormat);
sheet.addCell(example);
//浮点数据
//设置下划线
WritableFont underline= new WritableFont(WritableFont.ARIAL,WritableFont.DEFAULT_POINT_SIZE,WritableFont.NO_BOLD,false,UnderlineStyle.SINGLE);
WritableCellFormat greyBackground = new WritableCellFormat(underline);
greyBackground.setBackground(Colour.GRAY_25);//设置背景颜色为灰色
Number number = new Number(1,2,3.1415926535,greyBackground);
sheet.addCell(number);
//整形数据
WritableFont boldNumber = new WritableFont(WritableFont.ARIAL,10,WritableFont.BOLD);//黑体
WritableCellFormat boldNumberFormate = new WritableCellFormat(boldNumber);
Number ints = new Number(2,2,15042699,boldNumberFormate);
sheet.addCell(ints);
//布尔型数据
Boolean bools = new Boolean(3,2,true);
sheet.addCell(bools);
//日期型数据
//设置黑体和下划线
WritableFont boldDate = new WritableFont(WritableFont.ARIAL,WritableFont.DEFAULT_POINT_SIZE,WritableFont.BOLD,false,UnderlineStyle.SINGLE);
WritableCellFormat boldDateFormate = new WritableCellFormat(boldDate,DateFormats.FORMAT1);
Calendar c = Calendar.getInstance();
Date date = c.getTime();
DateTime dt = new DateTime(4,2,date,boldDateFormate);
sheet.addCell(dt);
//把创建的内容写入到输出流中，并关闭输出流
workbook.write();
workbook.close();
os.close();
}
}
java导入导zhidao出excel实现回方法详见：答https://wenku.baidu.com/view/9e4a2be0f61fb7360b4c65a7.html
import java.io.FileOutputStream;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.List;
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFCellStyle;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
public class CreateSimpleExcelToDisk
{
/**
* @功能：手工构建一个7a64e58685e5aeb9364简单格式的Excel
*/
private static List<Student> getStudent() throws Exception
{
List list = new ArrayList();
SimpleDateFormat df = new SimpleDateFormat("yyyy-mm-dd");
Student user1 = new Student(1, "张三", 16, df.parse("1997-03-12"));
Student user2 = new Student(2, "李四", 17, df.parse("1996-08-12"));
Student user3 = new Student(3, "王五", 26, df.parse("1985-11-12"));
list.add(user1);
list.add(user2);
list.add(user3);
return list;
}
public static void main(String[] args) throws Exception
{
// 第一步，创建一个webbook，对应一个Excel文件
HSSFWorkbook wb = new HSSFWorkbook();
// 第二步，在webbook中添加一个sheet,对应Excel文件中的sheet
HSSFSheet sheet = wb.createSheet("学生表一");
// 第三步，在sheet中添加表头第0行,注意老版本poi对Excel的行数列数有限制short
HSSFRow row = sheet.createRow((int) 0);
// 第四步，创建单元格，并设置值表头 设置表头居中
HSSFCellStyle style = wb.createCellStyle();
style.setAlignment(HSSFCellStyle.ALIGN_CENTER); // 创建一个居中格式
HSSFCell cell = row.createCell((short) 0);
cell.setCellValue("学号");
cell.setCellStyle(style);
cell = row.createCell((short) 1);
cell.setCellValue("姓名");
cell.setCellStyle(style);
cell = row.createCell((short) 2);
cell.setCellValue("年龄");
cell.setCellStyle(style);
cell = row.createCell((short) 3);
cell.setCellValue("生日");
cell.setCellStyle(style);
// 第五步，写入实体数据 实际应用中这些数据从数据库得到，
List list = CreateSimpleExcelToDisk.getStudent();
for (int i = 0; i < list.size(); i++)
{
row = sheet.createRow((int) i + 1);
Student stu = (Student) list.get(i);
// 第四步，创建单元格，并设置值
row.createCell((short) 0).setCellValue((double) stu.getId());
row.createCell((short) 1).setCellValue(stu.getName());
row.createCell((short) 2).setCellValue((double) stu.getAge());
cell = row.createCell((short) 3);
cell.setCellValue(new SimpleDateFormat("yyyy-mm-dd").format(stu
.getBirth()));
}
// 第六步，将文件存到指定位置
try
{
FileOutputStream fout = new FileOutputStream("E:/students.xls");
wb.write(fout);
fout.close();
}
catch (Exception e)
{
e.printStackTrace();
}
}
}