阿里Exclel
2022/9/6 23:26:07
本文主要是介绍阿里Exclel,对大家解决编程问题具有一定的参考价值,需要的程序猿们随着小编来一起学习吧!
目录- 模板导出
- 注意点
- controller
- html
- Service
模板导出
注意点
- 默认解析03版,07版文件注意报错信息
- 这个方法有坑,此代码是导出成功的写法,
ExcelWriter excelWriter = EasyExcel.write(response.getOutputStream()).withTemplate(templateDirPath+templateName)
.autoCloseStream(Boolean.FALSE).build(); - 单个变量:{属性名}
- 列表属性变量:{.属性名} 多个点
controller
点击查看代码
/** * 导出 * @param id * @param type 和faultRecordRelation.js的showOneFile函数值保持一致 * @param request * @param response * @throws Exception */ @RequestMapping("/exportData") @ResponseBody public void exportData(@RequestParam String id,@RequestParam String type, HttpServletRequest request, HttpServletResponse response) throws Exception { try { onesluiceOneFileDirecService.exportData(id,type,request,response); } catch (Exception e) { e.printStackTrace(); logger.error("一闸一档_导出失败", e); response.reset(); response.setContentType("application/json"); response.setCharacterEncoding("utf-8"); response.getWriter().println("导出失败,系统内部错误!"); } }
html
点击查看代码
parent.window.location = ctx+'/pdms/oneFile/exportData?id='+id+'&type='+type;
Service
点击查看代码
/** * 导出 表格 * @param id * @param type * @param request * @param response */ public void exportData(String id, String type, HttpServletRequest request, HttpServletResponse response) throws IOException { String fileName = "一闸一档_"; String templateDirPath = request.getSession().getServletContext().getRealPath("/") + File.separator + "exporttemp" +File.separator; String templateName = ""; if("1".equals(type)){ fileName += "AT方式"; templateName = "yizhayidang-at.xls"; }else if("2".equals(type)){ fileName += "直供方式"; // templateName = "yizhayidang-zhigong.xls"; }else if("3".equals(type)){ fileName += "开闭所越级跳闸"; // templateName = "yizhayidang-.xls"; } response.setContentType("application/vnd.ms-excel"); response.setCharacterEncoding("utf-8"); fileName = URLEncoder.encode(fileName+".xls", "utf-8"); response.setHeader("Content-disposition", "attachment; filename=" + new String(fileName.getBytes("UTF-8"), "ISO-8859-1")); // responseHeader(response, fileName); 上面四行可抽成方法 //读取Excel模板 ExcelWriter excelWriter = EasyExcel.write(response.getOutputStream()).withTemplate(templateDirPath+templateName) .autoCloseStream(Boolean.FALSE).build(); WriteSheet writeSheet = EasyExcel.writerSheet().build(); if("1".equals(type)){ OnesluiceOneFileAt at = findById(OnesluiceOneFileAt.class, id); excelWriter.fill(at, writeSheet); }else { OnesluiceOneFileDirec direc = findById(OnesluiceOneFileDirec.class, id); excelWriter.fill(direc, writeSheet); } excelWriter.finish(); }
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