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  • POI显示Excel表格具体配置颜色

    public static void main(String[] args)   {
        short colorNum = 2;//每行显示的颜色的个数
        short width1 = 2000;//颜色序宽度
        short width = 6000;//颜色名栏位的宽度
        XSSFWorkbook workbook = new XSSFWorkbook();
        CellStyle thStyle = workbook.createCellStyle();
    
        XSSFSheet sheet = workbook.createSheet("IndexedColors遍历");
        Row row =null;
        Cell cell;
        short i,j,index=0;
        String text="";
        for(i=0;i<colorNum;i++){
            sheet.setColumnWidth((short) i*3 , width1 );
            sheet.setColumnWidth((short) i*3 + 1 , width );
        }
        for (IndexedColors c : IndexedColors.values()){
            i=(short) (index/colorNum);
            j=(short) (index%colorNum);
            thStyle = workbook.createCellStyle();
            thStyle.setFillPattern(FillPatternType.SOLID_FOREGROUND);  //设置前景填充样式
            thStyle.setFillForegroundColor(c.getIndex());
            row = j==0?sheet.createRow(i):row;//如果到了换行的时候row new一下 否则就当什么都没有发生
            row.createCell(3*j).setCellValue("  "+(c.getIndex() + 1000 + "").substring(1,4));
            row.createCell(3*j+1).setCellValue(c+"");
            row.createCell(3*j+2).setCellStyle(thStyle);
            index++;//计数
        }
    
        sheet = workbook.createSheet("30X"+colorNum+"颜色遍历");
    
        for( i=0;i<30;i++ ){
            row = sheet.createRow(i);
            for(j=0;j<colorNum;j++){
                thStyle = workbook.createCellStyle();
                thStyle.setFillPattern(FillPatternType.SOLID_FOREGROUND);  //设置前景填充样式
                int size =(colorNum*i + j);
                thStyle.setFillForegroundColor((short)size);
                row.createCell(2*j).setCellValue((short)size);
                row.createCell(2*j+1).setCellStyle(thStyle);
            }
        }
    
        FileOutputStream fileOut = null;
        try {
            fileOut = new FileOutputStream("D:/POI颜色大全.xlsx");
            workbook.write(fileOut);
            fileOut.close();
        } catch (Exception e) {
            System.out.println("保存xlsx的时候发生的异常");
            e.printStackTrace();
        }
    }
    

      

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  • 原文地址:https://www.cnblogs.com/lewisat/p/15632795.html
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