通用的工具类：
public class ExportExcelUtil{
//显示的导出表的标题
private String title;
//导出表的列名
private String[] rowName ;
private List<Object[]> dataList = new ArrayList<Object[]>();
//构造方法，传入要导出的数据
public ExportExcelUtil(String title,String[] rowName,List<Object[]> dataList){
this.dataList = dataList;
this.rowName = rowName;
this.title = title;
}
/*
* 导出数据
* */
public void export(HttpServletResponse response) throws Exception{
try{
HSSFWorkbook workbook = new HSSFWorkbook(); // 创建工作簿对象
HSSFSheet sheet = workbook.createSheet(title); // 创建工作表
// 产生表格标题行
HSSFRow rowm = sheet.createRow(0);
HSSFCell cellTiltle = rowm.createCell(0);
rowm.setHeight((short) (25 * 35)); //设置高度
//sheet样式定义【getColumnTopStyle()/getStyle()均为自定义方法 - 在下面 - 可扩展】
HSSFCellStyle columnTopStyle = this.getColumnTopStyle(workbook);//获取列头样式对象
HSSFCellStyle style = this.getStyle(workbook); //单元格样式对象
sheet.addMergedRegion(new CellRangeAddress(0, 0, 0, (rowName.length-1)));
cellTiltle.setCellStyle(columnTopStyle);
cellTiltle.setCellValue(title);
// 定义所需列数
int columnNum = rowName.length;
HSSFRow rowRowName = sheet.createRow(1); // 在索引2的位置创建行(最顶端的行开始的第二行)
rowRowName.setHeight((short) (25 * 25)); //设置高度
// 将列头设置到sheet的单元格中
for(int n=0;n<columnNum;n++){
HSSFCell cellRowName = rowRowName.createCell(n); //创建列头对应个数的单元格
cellRowName.setCellType(HSSFCell.CELL_TYPE_STRING); //设置列头单元格的数据类型
HSSFRichTextString text = new HSSFRichTextString(rowName[n]);
cellRowName.setCellValue(text); //设置列头单元格的值
cellRowName.setCellStyle(columnTopStyle); //设置列头单元格样式
}
//将查询出的数据设置到sheet对应的单元格中
for(int i=0;i<dataList.size();i++){
Object[] obj = dataList.get(i);//遍历每个对象
HSSFRow row = sheet.createRow(i+2);//创建所需的行数
row.setHeight((short) (25 * 20)); //设置高度
for(int j=0; j<obj.length; j++){
HSSFCell cell = null; //设置单元格的数据类型
if(j == 0){
cell = row.createCell(j,HSSFCell.CELL_TYPE_NUMERIC);
cell.setCellValue(i+1);
}else{
if("京享赚_数据统计".equals(title) &&(j==5 ||j==6||j==7 ||j==8 ||j==9) ){
cell = row.createCell(j,HSSFCell.CELL_TYPE_NUMERIC);
}if ("京享赚_用户分润统计".equals(title)&&j==5){
cell = row.createCell(j,HSSFCell.CELL_TYPE_NUMERIC);
}
cell = row.createCell(j,HSSFCell.CELL_TYPE_STRING);
if(!"".equals(obj[j]) && obj[j] != null){
cell.setCellValue(obj[j].toString()); //设置单元格的值
}
}
cell.setCellStyle(style); //设置单元格样式
}
}
//让列宽随着导出的列长自动适应
for (int colNum = 0; colNum < columnNum; colNum++) {
int columnWidth = sheet.getColumnWidth(colNum) / 256;
for (int rowNum = 0; rowNum < sheet.getLastRowNum(); rowNum++) {
HSSFRow currentRow;
//当前行未被使用过
if (sheet.getRow(rowNum) == null) {
currentRow = sheet.createRow(rowNum);
} else {
currentRow = sheet.getRow(rowNum);
}
if (currentRow.getCell(colNum) != null) {
HSSFCell currentCell = currentRow.getCell(colNum);
if (currentCell.getCellType() == HSSFCell.CELL_TYPE_STRING) {
int length = currentCell.getStringCellValue().getBytes().length;
if (columnWidth < length) {
columnWidth = length;
}
}
}
}
if(colNum == 0){
sheet.setColumnWidth(colNum, (columnWidth-2) * 128);
}else{
sheet.setColumnWidth(colNum, (columnWidth+4) * 256);
}
}
if(workbook !=null){
try
{
String fileName = title+ ".xls";
response.setContentType("application/vnd.ms-excel");
response.setHeader("Content-disposition", "attachment;filename=" + java.net.URLEncoder.encode(fileName, "UTF-8"));
OutputStream out = response.getOutputStream();
workbook.write(out);
/* FileOutputStream out = new FileOutputStream("D:/data/" + new SimpleDateFormat("yyyyMMddHHmmss").format(new Date()).toString() +".xls");
workbook.write(out);*/
out.close();
}
catch (IOException e)
{
e.printStackTrace();
}
}
}catch(Exception e){
e.printStackTrace();
}
}
/*
* 列头单元格样式
*/
public HSSFCellStyle getColumnTopStyle(HSSFWorkbook workbook) {
// 设置字体
HSSFFont font = workbook.createFont();
//设置字体大小
font.setFontHeightInPoints((short)11);
//字体加粗
font.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);
//设置字体名字
font.setFontName("Courier New");
//设置样式;
HSSFCellStyle style = workbook.createCellStyle();
//设置底边框;
style.setBorderBottom(HSSFCellStyle.BORDER_THIN);
//设置底边框颜色;
style.setBottomBorderColor(HSSFColor.BLACK.index);
//设置左边框;
style.setBorderLeft(HSSFCellStyle.BORDER_THIN);
//设置左边框颜色;
style.setLeftBorderColor(HSSFColor.BLACK.index);
//设置右边框;
style.setBorderRight(HSSFCellStyle.BORDER_THIN);
//设置右边框颜色;
style.setRightBorderColor(HSSFColor.BLACK.index);
//设置顶边框;
style.setBorderTop(HSSFCellStyle.BORDER_THIN);
//设置顶边框颜色;
style.setTopBorderColor(HSSFColor.BLACK.index);
//在样式用应用设置的字体;
style.setFont(font);
//设置自动换行;
style.setWrapText(false);
//设置水平对齐的样式为居中对齐;
style.setAlignment(HSSFCellStyle.ALIGN_CENTER);
//设置垂直对齐的样式为居中对齐;
style.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);
//设置单元格背景颜色
style.setFillForegroundColor(IndexedColors.PALE_BLUE.getIndex());
style.setFillPattern(HSSFCellStyle.SOLID_FOREGROUND);
return style;
}
/*
* 列数据信息单元格样式
*/
public HSSFCellStyle getStyle(HSSFWorkbook workbook) {
// 设置字体
HSSFFont font = workbook.createFont();
//设置字体大小
//font.setFontHeightInPoints((short)10);
//字体加粗
//font.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);
//设置字体名字
font.setFontName("Courier New");
//设置样式;
HSSFCellStyle style = workbook.createCellStyle();
//设置底边框;
style.setBorderBottom(HSSFCellStyle.BORDER_THIN);
//设置底边框颜色;
style.setBottomBorderColor(HSSFColor.BLACK.index);
//设置左边框;
style.setBorderLeft(HSSFCellStyle.BORDER_THIN);
//设置左边框颜色;
style.setLeftBorderColor(HSSFColor.BLACK.index);
//设置右边框;
style.setBorderRight(HSSFCellStyle.BORDER_THIN);
//设置右边框颜色;
style.setRightBorderColor(HSSFColor.BLACK.index);
//设置顶边框;
style.setBorderTop(HSSFCellStyle.BORDER_THIN);
//设置顶边框颜色;
style.setTopBorderColor(HSSFColor.BLACK.index);
//在样式用应用设置的字体;
style.setFont(font);
//设置自动换行;
style.setWrapText(false);
//设置水平对齐的样式为居中对齐;
style.setAlignment(HSSFCellStyle.ALIGN_CENTER);
//设置垂直对齐的样式为居中对齐;
style.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);
return style;
}
}
/**
* 导出 分润订单统计的报表
* @param searchParam
*/
@RequestMapping(“/exportOrderRecord”)
public String exportOrderRecord(OrderRecordSearchParam searchParam,HttpServletResponse response){
List<HashMap<String, Object>> listMap = new ArrayList<HashMap<String, Object>>();
HashMap<String,Object> dataMap ;
searchParam.setPageSize(100000);
List<OrderRecordResDto> orderRecords = orderRecordService.list(searchParam.getParaMap());
SimpleDateFormat sdf = new SimpleDateFormat("yyy-MM-dd hh:mm:ss");
BaseResDto baseResDto ;
try {
for( OrderRecordResDto orderRecord : orderRecords){
dataMap = new HashMap<String,Object>();
dataMap.put("targetJdpin", orderRecord.getTargetJdpin());
dataMap.put("channel", orderRecord.getChannel());
dataMap.put("sceneName", orderRecord.getSceneName());
dataMap.put("productNo", orderRecord.getProductNo());
dataMap.put("firstEnterNum", orderRecord.getFirstEnterNum());
dataMap.put("applyNum", orderRecord.getApplyNum());
dataMap.put("firstValidNum", orderRecord.getFirstValidNum());
dataMap.put("withdrawNum", orderRecord.getWithdrawNum());
dataMap.put("withdrawAmt", orderRecord.getWithdrawAmt());
dataMap.put("createdDate", sdf.format(orderRecord.getCreatedDate()));
dataMap.put("modifiedDate", sdf.format(orderRecord.getModifiedDate()));
listMap.add(dataMap);
}
String title = "京享赚_数据统计";
String[] rowsName = new String[]{"序号","用户JDPIN","渠道编号","场景名称","产品编号","首次进入用户量",
"申请提交用户量","首次有效申请用户量","提现申请用户量","提现金额","创建时间","更新时间"};
List<Object[]> dataList = new ArrayList<Object[]>();
Object[] objs = null;
for (int i = 0; i < listMap.size(); i++) {
HashMap<String, Object> data = listMap.get(i);
objs = new Object[rowsName.length];
objs[0] = i;
objs[1] = data.get("targetJdpin");
objs[2] = data.get("channel");
objs[3] = data.get("sceneName");
objs[4] = data.get("productNo");
objs[5] = data.get("firstEnterNum");
objs[6] = data.get("applyNum");
objs[7] = data.get("firstValidNum");
objs[8] = data.get("withdrawNum");
objs[9] = data.get("withdrawAmt");
objs[10] = data.get("createdDate");
objs[11] = data.get("modifiedDate");
dataList.add(objs);
}
ExportExcelUtil ex = new ExportExcelUtil(title, rowsName, dataList);
ex.export(response);
baseResDto = AjaxResDto.SUCCESS;
}catch (Exception e){
baseResDto = AjaxResDto.FAIL;
logger.error( "exportOrderRecord | 异常:", e);
}
return "report/list";
}