easyexcel多行不同的表头导出

朴灿烈づ我的快乐病毒、 2024-03-16 18:38 223阅读 0赞

## **easyexcel多行不同的表头导出（多表格不同表头）** ##

### 一、效果展示 ###

![在这里插入图片描述][92b2101c73f04a4aa4a2ded773798c35.png]

### 二、代码 ###

/**
         * 导出月度报表数据信息
         */
        @ApiOperation(value = "导出月度报表数据信息")
        @Log(title = "导出月度报表", businessType = BusinessType.EXPORT)
        @RequestMapping("/exportMonthChart")
        public void exportMonthChart(HttpServletResponse response) {
        
            try {
        
                tableWrite(response,input);
            } catch (IOException e) {
        
                e.printStackTrace();
            }
        }
        public void tableWrite(HttpServletResponse response) throws IOException {
        
            MonthChartOutput output = lsDeviceInfoService.monthChart(input);
            WriteSheet writeSheet = EasyExcel.writerSheet("设备月度报表").needHead(Boolean.FALSE).build();
            // 这里必须指定需要头，table 会继承sheet的配置，sheet配置了不需要，table 默认也是不需要
            WriteTable writeTable0 = EasyExcel.writerTable(0).needHead(Boolean.TRUE).head(ExportVO.class).build();
            WriteTable writeTable1 = EasyExcel.writerTable(1).needHead(Boolean.TRUE).head(ExportVO.class).build();
            WriteTable writeTable2 = EasyExcel.writerTable(2).needHead(Boolean.TRUE).head(DemoData.class).build();
    
            // 生成无表头的内容
            List<List<String>> headList = Lists.newArrayList();
            headList.add(Lists.newArrayList("自定义表头1","自定义表头2","自定义表头3"));
    
            // 生成有表头的内容
            List<ExportVO> list = Lists.newArrayList();
            for (int i = 1; i < 10; i++) {
        
                list.add(ExportVO.builder().heat1("第"+i+"行内容")
                        .heat2("第"+i+"行内容")
                        .heat3("第"+i+"行内容")
                        .heat4("第"+i+"行内容")
                        .heat5("第"+i+"行内容")
                        .build());
            }
            String fileName = URLEncoder.encode("销售表现趋势分析-"+ System.currentTimeMillis()+".xlsx", "UTF-8");
            response.setCharacterEncoding("UTF-8");
            response.setHeader("content-Type", "application/vnd.ms-excel");
            response.setHeader("Content-Disposition", "attachment;filename=" + fileName);
            response.setHeader("filename", fileName);
            ExcelWriter excelWriter = EasyExcel.write(response.getOutputStream()).build();
           // 第一次写入
            excelWriter.write(headList, writeSheet, writeTable0);
            // 第二次写入会创建头，然后在第一次的后面写入数据
            excelWriter.write(list, writeSheet, writeTable1);
            excelWriter.write(data(), writeSheet, writeTable2);
            excelWriter.finish();
        }
    
        private List<DemoData> data() {
        
            List<DemoData> list = ListUtils.newArrayList();
            for (int i = 0; i < 10; i++) {
        
                DemoData data = new DemoData();
                data.setString("字符串" + i);
                data.setDate(new Date());
                data.setDoubleData(0.56);
                list.add(data);
            }
            return list;
        }

实体DemoData 代码：

@Getter
    @Setter
    @EqualsAndHashCode
    public class DemoData {
        
        @ExcelProperty("字符串标题")
        private String string;
        @ExcelProperty("日期标题")
        private Date date;
        @ExcelProperty("数字标题")
        private Double doubleData;
        /**
         * 忽略这个字段
         */
        @ExcelIgnore
        private String ignore;
    }

实体DemoData 代码：

@Data
    @Builder
    @AllArgsConstructor
    @NoArgsConstructor
    @HeadRowHeight(18)
    @ContentRowHeight(15)
    @ColumnWidth(16)
    public class ExportVO {
        
    
        @ExcelProperty("表头1")
        private String heat1;
    
        @ExcelProperty("表头2")
        private String heat2;
    
        @ExcelProperty("表头3")
        private String heat3;
    
        @ExcelProperty("表头4")
        private String heat4;
    
        @ExcelProperty("表头5")
        private String heat5;
    }

[92b2101c73f04a4aa4a2ded773798c35.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/15/544dca2140ee47d7b9d6001f187dca9a.png