WriteCellStyle headWriteCellStyle = new WriteCellStyle();
时间: 2024-05-24 07:11:41 浏览: 100
As an AI language model, I cannot provide you with the full context of the code you are writing, but I can explain what the line of code you provided means.
The line of code creates a new instance of the WriteCellStyle class and assigns it to a variable named headWriteCellStyle. This class is used for defining the formatting and styling options for a cell when writing data to an Excel file using a library or framework in a programming language such as Java or C#. The WriteCellStyle class may contain properties for font type, font size, text color, background color, border style, and other styling options that can be customized based on the specific requirements of the application.
相关问题
easyExcel设置背景颜色
以下是使用EasyExcel设置单元格背景颜色的示例代码:
```java
// 导入必要的类
import com.alibaba.excel.EasyExcel;
import com.alibaba.excel.write.builder.ExcelWriterBuilder;
import com.alibaba.excel.write.builder.ExcelWriterSheetBuilder;
import com.alibaba.excel.write.metadata.style.WriteCellStyle;
import com.alibaba.excel.write.style.HorizontalCellStyleStrategy;
import org.apache.poi.ss.usermodel.FillPatternType;
import org.apache.poi.ss.usermodel.IndexedColors;
// 创建一个样式策略
WriteCellStyle headWriteCellStyle = new WriteCellStyle();
// 设置背景颜色为黄色
headWriteCellStyle.setFillForegroundColor(IndexedColors.YELLOW.getIndex());
headWriteCellStyle.setFillPatternType(FillPatternType.SOLID_FOREGROUND);
// 创建一个水平样式策略
HorizontalCellStyleStrategy horizontalCellStyleStrategy = new HorizontalCellStyleStrategy(headWriteCellStyle, null);
// 写入Excel文件
EasyExcel.write(fileName, dataClass)
.registerWriteHandler(horizontalCellStyleStrategy)
.sheet(sheetName)
.doWrite(dataList);
```
其中,`headWriteCellStyle.setFillForegroundColor(IndexedColors.YELLOW.getIndex())`设置了背景颜色为黄色,可以根据需要修改颜色。另外,还可以设置字体样式、边框样式等其他样式。
easyexcel 导出模板生成第一行示例
生成 EasyExcel 导出模板的第一行示例代码如下:
```
// 创建一个 EasyExcel 写入对象
ExcelWriter excelWriter = EasyExcel.write(filePath).build();
// 创建一个 Sheet 对象,设置 Sheet 名称和表头行数
Sheet sheet = new Sheet(1, 0);
sheet.setSheetName("Sheet1");
// 创建一个表头样式对象,并设置样式
WriteCellStyle headWriteCellStyle = new WriteCellStyle();
headWriteCellStyle.setFillForegroundColor(IndexedColors.WHITE.getIndex());
headWriteCellStyle.setFillPatternType(FillPatternType.SOLID_FOREGROUND);
headWriteCellStyle.setBorderTop(BorderStyle.THIN);
headWriteCellStyle.setBorderLeft(BorderStyle.THIN);
headWriteCellStyle.setBorderRight(BorderStyle.THIN);
headWriteCellStyle.setBorderBottom(BorderStyle.THIN);
Font headFont = new Font();
headFont.setFontHeightInPoints((short)12);
headFont.setFontName("微软雅黑");
headFont.setBold(true);
headWriteCellStyle.setWriteFont(headFont);
// 创建表头数据
List<String> headList = Arrays.asList("姓名", "年龄", "性别");
// 写入表头数据到 Excel 文件中
List<List<String>> headData = new ArrayList<>();
headData.add(headList);
excelWriter.write(headData, sheet, new WriteTableParameter(null, headWriteCellStyle));
// 关闭 Excel 写入对象
excelWriter.finish();
```