pom.xml
php
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-ooxml</artifactId>
<version>3.9</version>
</dependency>
ExcelCustomExportUtil.java
java
package com.jiuzhu.server.common.utils;
import jakarta.servlet.http.HttpServletResponse;
import org.apache.poi.ss.usermodel.*;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import java.io.IOException;
import java.io.OutputStream;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import static org.apache.poi.ss.usermodel.CellStyle.ALIGN_CENTER;
import static org.apache.poi.ss.usermodel.CellStyle.VERTICAL_CENTER;
public class ExcelCustomExportUtil {
public static void exportExcel(HttpServletResponse response, List<String> headers, List<List<Object>> data) throws IOException {
// 创建工作簿
Workbook workbook = new XSSFWorkbook();
// 创建工作表
Sheet sheet = workbook.createSheet("sheet1");
Map<String, CellStyle> styles = createStyles(workbook);
CellStyle style = sheet.getWorkbook().createCellStyle();
// 设置字体为黑体
Font font = sheet.getWorkbook().createFont();
font.setFontName("黑体"); // 或者使用 "SimHei" 表示黑体
font.setBoldweight((short) 1); // 设置为粗体(黑体通常是粗体)
style.setFont(font);
style.setAlignment(ALIGN_CENTER);
style.setVerticalAlignment(VERTICAL_CENTER);
font.setColor(IndexedColors.WHITE.getIndex()); // 设置字体颜色为白色
// 创建表头
Row headerRow = sheet.createRow(0);
// headerRow.setHeightInPoints(30);
for (int i = 0; i < headers.size(); i++) {
Cell cell = headerRow.createCell(i);
cell.setCellStyle(styles.get("header"));
cell.setCellValue(headers.get(i));
}
// 填充数据
int rowIndex = 1;
for (List<Object> rowData : data) {
Row row = sheet.createRow(rowIndex++);
for (int i = 0; i < rowData.size(); i++) {
Cell cell = row.createCell(i);
cell.setCellValue(rowData.get(i).toString());
}
}
// 设置响应头
response.setContentType("application/vnd.ms-excel");
response.setHeader("Content-Disposition", "attachment; filename=example.xlsx");
// 将工作簿写入输出流
try (OutputStream outputStream = response.getOutputStream()) {
workbook.write(outputStream);
}
// 关闭工作簿
// workbook.close();
// workbook.cloneSheet(0);
}
/**
* 创建表格样式
*
* @param wb 工作薄对象
* @return 样式列表
*/
private static Map<String, CellStyle> createStyles(Workbook wb) {
Map<String, CellStyle> styles = new HashMap<String, CellStyle>();
CellStyle style = wb.createCellStyle();
style.setAlignment(ALIGN_CENTER);
style.setVerticalAlignment(VERTICAL_CENTER);
Font titleFont = wb.createFont();
titleFont.setFontName("Arial");
titleFont.setFontHeightInPoints((short) 16);
titleFont.setBoldweight(Font.BOLDWEIGHT_BOLD);
style.setFont(titleFont);
styles.put("title", style);
style = wb.createCellStyle();
style.setVerticalAlignment(VERTICAL_CENTER);
style.setBorderRight(CellStyle.BORDER_THIN);
style.setRightBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
style.setBorderLeft(CellStyle.BORDER_THIN);
style.setLeftBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
style.setBorderTop(CellStyle.BORDER_THIN);
style.setTopBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
style.setBorderBottom(CellStyle.BORDER_THIN);
style.setBottomBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
Font dataFont = wb.createFont();
dataFont.setFontName("Arial");
dataFont.setFontHeightInPoints((short) 10);
style.setFont(dataFont);
styles.put("data", style);
style = wb.createCellStyle();
style.cloneStyleFrom(styles.get("data"));
style.setAlignment(CellStyle.ALIGN_LEFT);
styles.put("data1", style);
style = wb.createCellStyle();
style.cloneStyleFrom(styles.get("data"));
style.setAlignment(ALIGN_CENTER);
styles.put("data2", style);
style = wb.createCellStyle();
style.cloneStyleFrom(styles.get("data"));
style.setAlignment(CellStyle.ALIGN_RIGHT);
styles.put("data3", style);
style = wb.createCellStyle();
style.cloneStyleFrom(styles.get("data"));
// style.setWrapText(true);
style.setAlignment(ALIGN_CENTER);
style.setFillForegroundColor(IndexedColors.GREY_50_PERCENT.getIndex());
style.setFillPattern(CellStyle.SOLID_FOREGROUND);
Font headerFont = wb.createFont();
headerFont.setFontName("Arial");
headerFont.setFontHeightInPoints((short) 10);
headerFont.setBoldweight(Font.BOLDWEIGHT_BOLD);
headerFont.setColor(IndexedColors.WHITE.getIndex());
style.setFont(headerFont);
styles.put("header", style);
return styles;
}
}
使用
java
@RequestMapping("exportSearchList")
public void exportSearchList(HttpServletResponse response) throws IOException {
// 初始化表头和数据
List<String> headers = Arrays.asList("列1", "列2", "列3");
List<List<Object>> data = new ArrayList<>();
data.add(Arrays.asList("数据1", "数据2", "数据3"));
data.add(Arrays.asList("数据4", "数据5", "数据6"));
ExcelCustomExportUtil.exportExcel(response, headers, data);
}