前端echarts图表导出到后端java代码中的excel表格中用代码方式展示
时间: 2023-11-22 15:53:45 浏览: 47
要将前端echarts图表导出到后端java代码中的excel表格中,你需要使用Java Excel API,以下是一些示例代码:
1. 首先,你需要在pom.xml文件中添加以下依赖项:
```
<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>
```
2. 创建一个Excel工作簿,并在其中创建一个工作表:
```
Workbook workbook = new XSSFWorkbook();
Sheet sheet = workbook.createSheet("Sheet1");
```
3. 创建标题行并设置单元格样式:
```
Row headerRow = sheet.createRow(0);
CellStyle headerCellStyle = workbook.createCellStyle();
headerCellStyle.setAlignment(HorizontalAlignment.CENTER);
headerCellStyle.setVerticalAlignment(VerticalAlignment.CENTER);
headerCellStyle.setFillForegroundColor(IndexedColors.GREY_25_PERCENT.getIndex());
headerCellStyle.setFillPattern(FillPatternType.SOLID_FOREGROUND);
headerCellStyle.setBorderBottom(BorderStyle.THIN);
headerCellStyle.setBorderLeft(BorderStyle.THIN);
headerCellStyle.setBorderRight(BorderStyle.THIN);
headerCellStyle.setBorderTop(BorderStyle.THIN);
Font headerFont = workbook.createFont();
headerFont.setBold(true);
headerCellStyle.setFont(headerFont);
Cell headerCell = headerRow.createCell(0);
headerCell.setCellValue("标题");
headerCell.setCellStyle(headerCellStyle);
```
4. 创建数据行并设置单元格样式:
```
Row dataRow = sheet.createRow(1);
CellStyle dataCellStyle = workbook.createCellStyle();
dataCellStyle.setAlignment(HorizontalAlignment.CENTER);
dataCellStyle.setVerticalAlignment(VerticalAlignment.CENTER);
dataCellStyle.setBorderBottom(BorderStyle.THIN);
dataCellStyle.setBorderLeft(BorderStyle.THIN);
dataCellStyle.setBorderRight(BorderStyle.THIN);
dataCellStyle.setBorderTop(BorderStyle.THIN);
Cell dataCell = dataRow.createCell(0);
dataCell.setCellValue("数据");
dataCell.setCellStyle(dataCellStyle);
```
5. 将工作簿写入文件:
```
FileOutputStream outputStream = new FileOutputStream("example.xlsx");
workbook.write(outputStream);
outputStream.close();
workbook.close();
```
以上就是一个简单的将echarts图表导出到Excel表格中的示例代码,你可以根据自己的需求进行修改。