/**
*导出用户 生成excel文件
* @param usersList
* @param cellList
* @param allfileName
* @return
*/
@PostMapping("/export")
private void exportUsers(@RequestBody Map<String, Object> paramsMap) {
List<String> cellList = (List<String>) paramsMap.get("cellParam");
String allfileName = (String) paramsMap.get("fileName") + ".xls";
Workbook wb = new HSSFWorkbook();
Sheet sheet = wb.createSheet("sheet1");
//在sheet里创建第一行,并设置样式
CellStyle headerStyle = wb.createCellStyle();
Font rowfont = wb.createFont();
rowfont.setBold(true);
rowfont.setFontHeightInPoints((short) 12);
headerStyle.setFont(rowfont);
Row row0 = sheet.createRow(0);
for(int i = 0; i < cellList.size(); i++) {
Cell heaerCell = row0.createCell(i);
heaerCell.setCellValue(cellList.get(i));