Java jxl 导出excel报表
方法1
SimpleDateFormat sf = new SimpleDateFormat("yyyy-MM-dd");
Date date = new Date();
public String Report2UserInfo() throws IOException, WriteException{
List rsList = userInfoService.queryList();
String fileName = sf.format(date)+".xls";
WritableWorkbook wwb;
FileOutputStream fos;
try {
fos = new FileOutputStream(fileName);
wwb = Workbook.createWorkbook(fos);
WritableSheet ws = wwb.createSheet("员工信息表", 0); // 创建一个工作表
// 设置单元格的文字格式
// WritableFont wf = new WritableFont(WritableFont.ARIAL,12,WritableFont.NO_BOLD,false,
// UnderlineStyle.NO_UNDERLINE,Colour.BLUE);
// WritableCellFormat wcf = new WritableCellFormat(wf);
// wcf.setVerticalAlignment(VerticalAlignment.CENTRE);
// wcf.setAlignment(Alignment.CENTRE);
// ws.setRowView(1, 500);
WritableFont wf = new WritableFont(WritableFont.TIMES, 10 ,WritableFont.BOLD);//定义字体
wf.setColour(Colour.BLUE);//蓝色字体
WritableCellFormat wcf = new WritableCellFormat(wf);
wcf.setAlignment(jxl.format.Alignment.CENTRE);//左右居中
wcf.setVerticalAlignment(jxl.format.VerticalAlignment.CENTRE);//上下居中
wcf.setBorder(Border.ALL,BorderLineStyle.THIN,Colour.BLACK);//黑色边框
wcf.setBackground(Colour.YELLOW);//黄色背景
int charTitle = 10;// 标题字体大小
int charNormal = 10;// 标题字体大小
// 添加带有字型Formatting的对象
// 用于标题
jxl.write.WritableFont titleFont = new jxl.write.WritableFont(
WritableFont.createFont("宋体"), charTitle, WritableFont.BOLD);
jxl.write.WritableCellFormat titleFormat = new jxl.write.WritableCellFormat(
titleFont);
titleFormat.setBorder(Border.ALL, BorderLineStyle.THIN); // 线条
titleFormat.setVerticalAlignment(VerticalAlignment.CENTRE); // 垂直对齐
titleFormat.setAlignment(Alignment.CENTRE); // 水平对齐
// titleFormat.setWrap(true); // 是否换行
titleFormat.setBackground(Colour.GRAY_25);// 背景色暗灰-25%
// 用于正文
WritableFont wcf1 = new WritableFont(WritableFont
.createFont("宋体"), charNormal);
// 填充数据的内容
UserInfo[] p = new UserInfo[rsList.size()];
for (int i=0;i<titles.length;i++) {
Label label=new Label(i,0,titles[i],wcf);
//将定义好的单元格添加到工作表中
ws.addCell(label);
}
for (int i = 0; i < rsList.size(); i++){
p[i] = (UserInfo)rsList.get(i);
ws.addCell(new Label(0, i + 1, String.valueOf(i+1), titleFormat));
ws.addCell(new Label(1, i + 1, p[i].getCompanyName(), titleFormat));
ws.addCell(new Label(2, i + 1, p[i].getUserName(), titleFormat));
ws.addCell(new Label(3, i + 1, p[i].getMobileNumber(), titleFormat));
if(i == 0)
wcf1 = new WritableFont(WritableFont
.createFont("宋体"), charNormal);
}
wwb.write();
wwb.close();
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return null;
}
点击立即下载增加如下代码
OutputStream os = response.getOutputStream();
// 取得输出流
response.reset();// 清空输出流
// response.setHeader("Content-disposition", "attachment; filename="+new String(fileName.getBytes("utf-8"),"8859_1"));// 设定输出文件头
response.setHeader("Content-disposition", "attachment; filename="+fileName);// 设定输出文件头
response.setContentType("application/msexcel");// 定义输出类型
方法2
public String ReportUserInfo(){
//继承 ActionSupport即可
HttpServletResponse response = ServletActionContext.getResponse();
List rsList = userInfoService.queryList();
// String fileName = "C:\\"+sf.format(date)+".xls";
String fileName = sf.format(date)+".xls";
try
{
OutputStream os = response.getOutputStream();
// 取得输出流
response.reset();// 清空输出流
// response.setHeader("Content-disposition", "attachment; filename="+new String(fileName.getBytes("utf-8"),"8859_1"));// 设定输出文件头
response.setHeader("Content-disposition", "attachment; filename="+fileName);// 设定输出文件头
response.setContentType("application/msexcel");// 定义输出类型
WritableWorkbook book=Workbook.createWorkbook(os); // 建立excel文件
// WritableWorkbook book=Workbook.createWorkbook(new File(fileName));
//生成名为“第一页”的工作表，参数0表示这是第一页
WritableSheet sheet=book.createSheet("员工信息表",0);
//在Label对象的构造子中指名单元格位置是第一列第一行(0,0)
//以及单元格内容为test
for (int i=0;i<titles.length;i++) {
Label label=new Label(i,0,titles[i]);
//将定义好的单元格添加到工作表中
sheet.addCell(label);
}
long countNumber=0;
for (int i=0;i<rsList.size();i++) {
/*Map tmpMap= new HashMap();
tmpMap.put(i, rsList.get(i));*/
UserInfo userInfo = (UserInfo) rsList.get(i);
Label label3=new Label(0,i+1,(i+1)+"");
//将定义好的单元格添加到工作表中
sheet.addCell(label3);
List list =getContent(userInfo);
Label label = null;
for(int k = 0;k <list.size(); k++){
label=new Label(k+1,i+1,list.get(k).toString());
sheet.addCell(label);
}
/* for (int j=0;j<columns.length;j++) {
String abc = null;
if(j == 0){
abc = userInfo.getCompanyName();
}
if(j == 1){
abc = userInfo.getUserName();
}
if(j == 2){
abc = userInfo.getMobileNumber();
}
Label label=new Label(j+1,i+1, abc);
将定义好的单元格添加到工作表中
}*/
}
//写入数据并关闭文件
book.write();
book.close();
}catch(Exception e)
{
e.printStackTrace();
}
return null;
}