SpringBoot使用POI进行Excel下载

<dependency> <groupId>org.apache.poi</groupId> <artifactId>poi</artifactId> <version>3.17</version></dependency>

 /** * 获取下载模版 */ public void salaryTemplate(HttpServletResponse response)throws Exception{ HSSFWorkbook workbook = new HSSFWorkbook(); exportExcel(workbook); response.setHeader("Content-type","application/vnd.ms-excel");  // 解决导出文件名中文乱码 response.setCharacterEncoding("UTF-8"); response.setHeader("Content-Disposition","attachment;filename="+new String("工资模版".getBytes("UTF-8"),"ISO-8859-1")+".xls"); workbook.write(response.getOutputStream()); }  //导入为模版 private void exportExcel(HSSFWorkbook workbook) throws Exception { //创建创建sheet HSSFSheet sheet = workbook.createSheet("工资");  //创建单元格样式 CellStyle cellStyle = workbook.createCellStyle(); cellStyle.setFillForegroundColor(HSSFColor.SKY_BLUE.index);  //设置首行标题标题 HSSFRow headerRow = sheet.createRow(0); headerRow.createCell(0).setCellStyle(cellStyle); headerRow.createCell(0).setCellValue("工号"); headerRow.createCell(1).setCellStyle(cellStyle); headerRow.createCell(1).setCellValue("姓名"); headerRow.createCell(2).setCellStyle(cellStyle); headerRow.createCell(2).setCellValue("年龄");  //创建三行数据 HSSFRow row; for (int i = 0; i <4; i++) { row = sheet.createRow(i + 1); row.createCell(0).setCellStyle(cellStyle); row.createCell(0).setCellValue(i); row.createCell(1).setCellStyle(cellStyle); row.createCell(1).setCellValue("张三"); row.createCell(2).setCellStyle(cellStyle); row.createCell(2).setCellValue(19); } }

@GetMapping("/salary/template") public void salaryTemplate(HttpServletResponse response)throws Exception{ salaryService.salaryTemplate(response); }