EasyExcel 单元格背景颜色、字体颜色使用2种设置颜色方法（IndexedColors中定义的颜色，自定义RGB颜色）实现

旧城等待， 2022-10-16 12:25 718阅读 0赞

### 1 Maven配置   ###

<dependency>
                <groupId>cn.hutool</groupId>
                <artifactId>hutool-all</artifactId>
                <version>5.5.1</version>
            </dependency>
             
            <dependency>
                <groupId>com.alibaba</groupId>
                <artifactId>easyexcel</artifactId>
                <version>2.2.8</version>
            </dependency>
            <dependency>
                <groupId>org.projectlombok</groupId>
                <artifactId>lombok</artifactId>
                <optional>true</optional>
            </dependency>

### 2 调试代码 ###

/**
         * 导出（单元格背景颜色、字体颜色使用2种设置颜色方法（IndexedColors中定义的颜色，自定义RGB颜色）实现）
         *
         * @param response
         */
        @GetMapping("/exportStyleColor")
        public void exportStyleColor(HttpServletResponse response) {
            try {
                //生成表格数据
                List<List<Object>> dataList = new ArrayList<>();
                dataList.add(new ArrayList<>(Arrays.asList(new Object[]{"表头11", "表头2", "表头3", "表头4"})));
                dataList.add(new ArrayList<>(Arrays.asList(new Object[]{"表头1", "表头2", "表头3", "表头4"})));
                dataList.add(new ArrayList<>(Arrays.asList(new Object[]{"表头31", "表头2", "表头3", "表头4"})));
                //导出文件
                String fileName = new String("文件名称.xlsx".getBytes(), "UTF-8");
    
                List<CellStyleModel> cellStyleList = new ArrayList<>();
                //设置字体颜色
                //使用IndexedColors中定义的颜色
                cellStyleList.add(CellStyleModel.createFontColorCellStyleModel("模板", 0, 0, IndexedColors.BLUE));
                //使用自定义RGB颜色
                cellStyleList.add(CellStyleModel.createFontColorCellStyleModel("模板", 0, 1, 119, 119, 119));
                XSSFColor fontColor = CellStyleModel.getRGBColor(225, 0, 0);
                cellStyleList.add(CellStyleModel.createFontColorCellStyleModel("模板", 0, 2, fontColor));
    
                //设置单元格背景颜色
                //使用IndexedColors中定义的颜色
                cellStyleList.add(CellStyleModel.createBackgroundColorCellStyleModel("模板", 1, 0, IndexedColors.PINK));
                //使用自定义RGB颜色
                cellStyleList.add(CellStyleModel.createBackgroundColorCellStyleModel("模板", 1, 1, 119, 119, 119));
                XSSFColor backgroundColor = CellStyleModel.getRGBColor(225, 0, 0);
                cellStyleList.add(CellStyleModel.createBackgroundColorCellStyleModel("模板", 1, 2, backgroundColor));
    
                response.addHeader("Content-Disposition", "filename=" + fileName);
                //设置类型，扩展名为.xls
                response.setContentType("application/vnd.ms-excel");
                ExcelWriter excelWriter = EasyExcel.write(response.getOutputStream()).registerWriteHandler(new CustomCellStyleHandler(cellStyleList)).build();
                WriteSheet writeSheet = EasyExcel.writerSheet("模板").build();
                excelWriter.write(dataList, writeSheet);
                //千万别忘记finish 会帮忙关闭流
                excelWriter.finish();
            } catch (Exception e) {
                e.printStackTrace();
            }
        }

### 3 调试结果 ###

![20210530111021461.png][]

### 注： ###

（1）有关字体样式更详细的设置请查看以下博客。

[EasyExcel 设置字体样式（字体、字体大小、字体颜色、字体加粗、字体斜体、字体下划线、字体上标下标、字体删除线）][EasyExcel]

（2）有关CellStyleModel和CustomCellStyleHandler的源码请查看以下博客。

[EasyExcel 批量设置单元格样式（字体样式、背景颜色）][EasyExcel 1]

[20210530111021461.png]: /images/20221014/76a10c7205174cf4804cc12e95129b26.png
[EasyExcel]: https://blog.csdn.net/qq_38974638/article/details/117388442
[EasyExcel 1]: https://blog.csdn.net/qq_38974638/article/details/114841208