这篇文章主要介绍“excel导出的方法有哪些”，在日常操作中，相信很多人在excel导出的方法有哪些问题上存在疑惑，小编查阅了各式资料，整理出简单好用的操作方法，希望对大家解答”excel导出的方法有哪些”的疑惑有所帮助！接下来，请跟着小编一起来学习吧！
1、前端 JS导出excel
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>haha</title> <script src="https://cdn.bootcss.com/jquery/3.4.1/jquery.min.js"></script> <script type="text/javascript" language="javascript"> $(document).ready(function () { jQuery.support.cors = true; $('#JQuery_AJAX_Test').click(function () { $.ajax({ type: "POST", url: "http://localhost:18067/manage/orders/export", xhrFields: { responseType: "blob" }, //关键代码 data: "{\"batchExport\":true}", contentType:"application/json", beforeSend: function(request) { request.setRequestHeader("Authorization","5640edc3-49d3-435d-909e-daea076e6890"); }, success: function(retData){ dl(retData, "abc.xlsx"); }, error: function(e) { alert(e.toString()); } }); }); }); function dl(data, fileName) { if (!data) { return } let url = window.URL.createObjectURL(new Blob([data])) let link = document.createElement('a'); link.style.display = 'none'; link.href = url; link.setAttribute('download', fileName); document.body.appendChild(link); link.click(); } </script> </head> <body> <a href="#" id="JQuery_AJAX_Test">JQuery AJAX Test</a><br/> <div id="result"></div> </body> </html>
2、服务端代码
import cn.hutool.core.util.URLUtil;
import cn.hutool.poi.excel.ExcelReader;
import cn.hutool.poi.excel.ExcelUtil;
import cn.hutool.poi.excel.ExcelWriter;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.apache.poi.xssf.streaming.SXSSFSheet;
import org.springframework.web.multipart.MultipartFile;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.IOException;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.List;
import java.util.Map;
import java.util.Objects;
/**
* Description ExcelHelper
* Date 2021/3/25 11:43
*
* @author by mays
*/
@Slf4j
public class ExcelHelper {
/**
*
* @param response response
* @param rows rows
* @param headerAlias headerAlias
* @throws IOException IOException
*/
public static void excelWriter(HttpServletResponse response,
//List<Map<String, Object>> rows,
List<Object> rows,
Map<String, String> headerAlias) throws IOException {
String fileName = URLUtil.encode(String.format("tmp-%s.xlsx", LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyyMMddHHmmssSSS"))));
ExcelWriter excelWriter = ExcelUtil.getBigWriter();
excelWriter.setHeaderAlias(headerAlias);
// 一次性写出内容，使用默认样式，强制输出标题
excelWriter.write(rows, true);
// 设置所有列为自动宽度，不考虑合并单元格
SXSSFSheet sheet = (SXSSFSheet) excelWriter.getSheet();
sheet.trackAllColumnsForAutoSizing();
excelWriter.autoSizeColumnAll();
//response设置excel类型
response.setHeader("Access-Control-Expose-Headers", "Content-Disposition");
response.setContentType("application/vnd.ms-excel;charset=UTF-8");
response.addHeader("Cache-Control", "no-cache");
response.setHeader("Content-Disposition", "attachment;filename=" + fileName);
//写出到的目标流
excelWriter.flush(response.getOutputStream(), true);
excelWriter.close();
}
/**
*
* @param file file
* @return ExcelReader
* @throws IOException IOException
*/
public static ExcelReader getExcelReader(MultipartFile file) throws IOException {
if (Objects.isNull(file) || StringUtils.isBlank(file.getOriginalFilename())) {
throw new IllegalArgumentException("文件为空");
} else if (!(file.getOriginalFilename().endsWith(".xlsx")
|| file.getOriginalFilename().endsWith(".xls"))) {
throw new IllegalArgumentException("请上传excel");
}
File f = File.createTempFile("pwo-", file.getOriginalFilename());
file.transferTo(f);
ExcelReader excelReader = new ExcelReader(f, 0);
int rowCount = excelReader.getRowCount();
if (rowCount < 1) {
throw new IllegalArgumentException("内容为空");
} else if (rowCount > 1000) {
throw new IllegalArgumentException("须导入少于1000条的记录");
}
return excelReader;
}
}3、maven依赖
<!--poi excel about--> <dependency> <groupId>org.apache.poi</groupId> <artifactId>poi</artifactId> <version>4.1.2</version> </dependency> <dependency> <groupId>org.apache.poi</groupId> <artifactId>poi-ooxml</artifactId> <version>4.1.2</version> </dependency> <dependency> <groupId>org.apache.poi</groupId> <artifactId>poi-ooxml-schemas</artifactId> <version>4.1.2</version> </dependency> <!-- hutool --> <dependency> <groupId>cn.hutool</groupId> <artifactId>hutool-all</artifactId> <version>4.6.3</version> </dependency>
到此，关于“excel导出的方法有哪些”的学习就结束了，希望能够解决大家的疑惑。理论与实践的搭配能更好的帮助大家学习，快去试试吧！若想继续学习更多相关知识，请继续关注亿速云网站，小编会继续努力为大家带来更多实用的文章！
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