springBoot数据生成excel格式并且支持下载excel
时间: 2024-02-04 10:40:34 浏览: 145
好的,这个问题我可以回答。可以使用 Apache POI 库来生成 Excel 表格。在 Spring Boot 中,可以使用 Spring MVC 的特性来实现 Excel 数据的下载。代码实现步骤如下:
1.引入 Apache POI 依赖,如下所示:
```xml
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi</artifactId>
<version>4.1.0</version>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-ooxml</artifactId>
<version>4.1.0</version>
</dependency>
```
2.编写 Controller,如下所示:
```java
@GetMapping("/download/excel")
public void downloadExcel(HttpServletResponse response) throws Exception {
// 创建 Excel 工作簿和单元格
XSSFWorkbook workbook = new XSSFWorkbook();
XSSFSheet sheet = workbook.createSheet();
XSSFRow row = sheet.createRow(0);
XSSFCell cell = row.createCell(0);
cell.setCellValue("Hello, World!");
// 设置响应的内容类型和头部信息
response.setContentType("application/vnd.ms-excel");
response.setHeader("Content-Disposition", "attachment; filename=myfile.xlsx");
// 输出流写出 Excel 数据
OutputStream outputStream = response.getOutputStream();
workbook.write(outputStream);
outputStream.flush();
outputStream.close();
}
```
3.访问下载链接,即可下载生成的 Excel 文件。
注意:在实现过程中可能会出现一些小问题,需要根据自己的需求进行调试。
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