(一）POI 4.1.2 颜色 color_indexedcolors-程序员宅基地

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(一）POI 4.1.2 颜色 color

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(一）POI 4.1.2 颜色 color
前言
一、IndexedColors 所有颜色
二、使用步骤
- 1.pom.xml中引入依赖
- 2.运行IndexedColorsExample main方法
总结

前言

POI 文档与示例方面对国人并不友好，往往不知道怎么使用，本系列主要用示例方式演示POI 4.1.2 API文档使用。

提示：以下是本篇文章正文内容，下面案例可供参考

一、IndexedColors 所有颜色

IndexedColors 做为常用的颜色常量，下面演示了所有的颜色

在这里插入图片描述

二、使用步骤

1.pom.xml中引入依赖

代码如下（示例）：

<!-- https://mvnrepository.com/artifact/org.seasar.fisshplate/fisshplate -->
            <dependency>
                <groupId>org.apache.poi</groupId>
                <artifactId>poi</artifactId>
                <version>4.1.2</version>
            </dependency>
            <dependency>
                <groupId>org.apache.poi</groupId>
                <artifactId>poi-scratchpad</artifactId>
                <version>4.1.2</version>
            </dependency>
            <dependency>
                <groupId>org.apache.poi</groupId>
                <artifactId>poi-ooxml</artifactId>
                <version>4.1.2</version>
            </dependency>
            <dependency>
                <groupId>org.apache.poi</groupId>
                <artifactId>poi-ooxml-schemas</artifactId>
                <version>4.1.2</version>
            </dependency>
            <dependency>
                <groupId>org.apache.poi</groupId>
                <artifactId>ooxml-schemas</artifactId>
                <version>1.4</version>
            </dependency>

2.运行IndexedColorsExample main方法

代码如下（示例）：

package com.yuhan.excel.color;

import org.apache.poi.ss.usermodel.*;
import org.apache.poi.xssf.usermodel.*;

import java.awt.Color;
import java.io.FileOutputStream;
import java.io.IOException;

/**
 * IndexedColors 所有颜色
 */
public class IndexedColorsExample {
    
    public static void main(String[] args) throws IOException {
    
        // Create a workbook object
        XSSFWorkbook workbook = new XSSFWorkbook();
        // Create sheet
        Sheet sheet = workbook.createSheet();

        // Create a row and put some cells in it.
        Row row = sheet.createRow((short) 1);
        // Aqua background
        XSSFCellStyle style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.BLACK1.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        style.setBorderTop(BorderStyle.THIN);
        Cell cell = row.createCell((short) 1);
        cell.setCellValue("X1");
        cell.setCellStyle(style);

        // Orange "foreground", foreground being the fill foreground not the
        // font color.
        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.WHITE1.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        style.setBorderTop(BorderStyle.MEDIUM);
        cell = row.createCell((short) 2);
        cell.setCellValue("X2");
        cell.setCellStyle(style);

        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.RED1.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        style.setBorderTop(BorderStyle.DASHED);
        cell = row.createCell((short) 3);
        cell.setCellValue("X3");
        cell.setCellStyle(style);

        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.BRIGHT_GREEN1.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        style.setBorderTop(BorderStyle.DOTTED);
        cell = row.createCell((short) 4);
        cell.setCellValue("X4");
        cell.setCellStyle(style);

        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.BLUE1.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        style.setBorderTop(BorderStyle.THICK);
        cell = row.createCell((short) 5);
        cell.setCellValue("X5");
        cell.setCellStyle(style);

        // Create a row and put some cells in it.
        Row row2 = sheet.createRow((short) 2);

        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.YELLOW1.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        style.setBorderTop(BorderStyle.DOUBLE);
        cell = row2.createCell((short) 1);
        cell.setCellValue("X6");
        cell.setCellStyle(style);

        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.PINK1.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        style.setBorderTop(BorderStyle.HAIR);
        cell = row2.createCell((short) 2);
        cell.setCellValue("X7");
        cell.setCellStyle(style);

        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.TURQUOISE1.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        style.setBorderTop(BorderStyle.MEDIUM_DASHED);
        cell = row2.createCell((short) 3);
        cell.setCellValue("X8");
        cell.setCellStyle(style);

        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.BLACK.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row2.createCell((short) 4);
        cell.setCellValue("X9");
        cell.setCellStyle(style);
        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.WHITE.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row2.createCell((short) 5);
        cell.setCellValue("X10");
        cell.setCellStyle(style);

        // Create a row and put some cells in it.
        Row row3 = sheet.createRow((short) 3);

        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.RED.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row3.createCell((short) 1);
        cell.setCellValue("X11");
        cell.setCellStyle(style);
        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.BRIGHT_GREEN.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row3.createCell((short) 2);
        cell.setCellValue("X12");
        cell.setCellStyle(style);

        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.BLUE.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row3.createCell((short) 3);
        cell.setCellValue("X13");
        cell.setCellStyle(style);
        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.YELLOW.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row3.createCell((short) 4);
        cell.setCellValue("X14");
        cell.setCellStyle(style);

        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.PINK.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row3.createCell((short) 5);
        cell.setCellValue("X15");
        cell.setCellStyle(style);

        // Create a row and put some cells in it.
        Row row4 = sheet.createRow((short) 4);
        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.TURQUOISE.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row4.createCell((short) 1);
        cell.setCellValue("X16");
        cell.setCellStyle(style);

        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.DARK_RED.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row4.createCell((short) 2);
        cell.setCellValue("X17");
        cell.setCellStyle(style);
        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.GREEN.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row4.createCell((short) 3);
        cell.setCellValue("X18");
        cell.setCellStyle(style);

        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.DARK_BLUE.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row4.createCell((short) 4);
        cell.setCellValue("X19");
        cell.setCellStyle(style);
        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.DARK_YELLOW.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row4.createCell((short) 5);
        cell.setCellValue("X20");
        cell.setCellStyle(style);

        // Create a row and put some cells in it.
        Row row5 = sheet.createRow((short) 5);

        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.VIOLET.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row5.createCell((short) 1);
        cell.setCellValue("X21");
        cell.setCellStyle(style);

        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.TEAL.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row5.createCell((short) 2);
        cell.setCellValue("X22");
        cell.setCellStyle(style);

        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.GREY_25_PERCENT.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row5.createCell((short) 3);
        cell.setCellValue("X23");
        cell.setCellStyle(style);
        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.GREY_50_PERCENT.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row5.createCell((short) 4);
        cell.setCellValue("X24");
        cell.setCellStyle(style);

        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.CORNFLOWER_BLUE.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row5.createCell((short) 5);
        cell.setCellValue("X25");
        cell.setCellStyle(style);

        // Create a row and put some cells in it.
        Row row6 = sheet.createRow((short) 6);
        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.MAROON
                .getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row6.createCell((short) 1);
        cell.setCellValue("X26");
        cell.setCellStyle(style);

        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.LEMON_CHIFFON.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row6.createCell((short) 2);
        cell.setCellValue("X27");
        cell.setCellStyle(style);
        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.LIGHT_TURQUOISE1.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row6.createCell((short) 3);
        cell.setCellValue("X28");
        cell.setCellStyle(style);

        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.ORCHID.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row6.createCell((short) 4);
        cell.setCellValue("X29");
        cell.setCellStyle(style);

        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.CORAL.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row6.createCell((short) 5);
        cell.setCellValue("X30");
        cell.setCellStyle(style);

        // Create a row and put some cells in it.
        Row row7 = sheet.createRow((short) 7);
        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.ROYAL_BLUE.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row7.createCell((short) 1);
        cell.setCellValue("X31");
        cell.setCellStyle(style);
        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.LIGHT_CORNFLOWER_BLUE.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row7.createCell((short) 2);
        cell.setCellValue("X32");
        cell.setCellStyle(style);

        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.SKY_BLUE.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row7.createCell((short) 3);
        cell.setCellValue("X33");
        cell.setCellStyle(style);
        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.LIGHT_TURQUOISE.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row7.createCell((short) 4);
        cell.setCellValue("X34");
        cell.setCellStyle(style);

        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.LIGHT_GREEN.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row7.createCell((short) 5);
        cell.setCellValue("X35");
        cell.setCellStyle(style);

        // Create a row and put some cells in it.
        Row row8 = sheet.createRow((short) 8);

        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.LIGHT_YELLOW.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row8.createCell((short) 1);
        cell.setCellValue("X36");
        cell.setCellStyle(style);

        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.PALE_BLUE.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row8.createCell((short) 2);
        cell.setCellValue("X37");
        cell.setCellStyle(style);
        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.ROSE.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row8.createCell((short) 3);
        cell.setCellValue("X38");
        cell.setCellStyle(style);

        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.LAVENDER.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row8.createCell((short) 4);
        cell.setCellValue("X39");
        cell.setCellStyle(style);
        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.TAN.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row8.createCell((short) 5);
        cell.setCellValue("X40");
        cell.setCellStyle(style);

        // Create a row and put some cells in it.
        Row row9 = sheet.createRow((short) 9);

        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.LIGHT_BLUE.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row9.createCell((short) 1);
        cell.setCellValue("X41");
        cell.setCellStyle(style);
        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.AQUA.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row9.createCell((short) 2);
        cell.setCellValue("X42");
        cell.setCellStyle(style);

        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.LIME.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row9.createCell((short) 3);
        cell.setCellValue("X43");
        cell.setCellStyle(style);
        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.GOLD.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row9.createCell((short) 4);
        cell.setCellValue("X44");
        cell.setCellStyle(style);

        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.LIGHT_ORANGE.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row9.createCell((short) 5);
        cell.setCellValue("X45");
        cell.setCellStyle(style);

        // Create a row and put some cells in it.
        Row row10 = sheet.createRow((short) 10);

        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.ORANGE.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row10.createCell((short) 1);
        cell.setCellValue("X46");
        cell.setCellStyle(style);

        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.BLUE_GREY.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row10.createCell((short) 2);
        cell.setCellValue("X47");
        cell.setCellStyle(style);
        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.GREY_40_PERCENT.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row10.createCell((short) 3);
        cell.setCellValue("X48");
        cell.setCellStyle(style);

        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.DARK_TEAL.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row10.createCell((short) 4);
        cell.setCellValue("X49");
        cell.setCellStyle(style);

        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.SEA_GREEN.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row10.createCell((short) 5);
        cell.setCellValue("SEA_GREEN");
        cell.setCellStyle(style);

        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.DARK_GREEN.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row10.createCell((short) 6);
        cell.setCellValue("DARK_GREEN");
        cell.setCellStyle(style);

        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.OLIVE_GREEN.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row10.createCell((short) 7);
        cell.setCellValue("OLIVE_GREEN");
        cell.setCellStyle(style);

        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.BROWN.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row10.createCell((short) 8);
        cell.setCellValue("BROWN");
        cell.setCellStyle(style);

        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.PLUM.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row10.createCell((short) 9);
        cell.setCellValue("PLUM");
        cell.setCellStyle(style);

        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.INDIGO.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row10.createCell((short) 10);
        cell.setCellValue("INDIGO");
        cell.setCellStyle(style);

        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.GREY_80_PERCENT.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row10.createCell((short) 11);
        cell.setCellValue("GREY_80_PERCENT");
        cell.setCellStyle(style);

        style = workbook.createCellStyle();
        style.setFillForegroundColor(IndexedColors.AUTOMATIC.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        cell = row10.createCell((short) 12);
        cell.setCellValue("AUTOMATIC");
        cell.setCellStyle(style);
        // Write the output to a file
        FileOutputStream fileOut = new FileOutputStream(
                "d://POIFillAndColorExample2.xlsx");
        workbook.write(fileOut);
        fileOut.close();

    }
}

在最后 excel保存在d://POIFillAndColorExample2.xlsx

总结

这里只是演示了Poi 中IndexedColors内置的所有颜色，下一篇将演示自定义RGB颜色如何使用

本文链接：https://blog.csdn.net/qq_42782220/article/details/108577725

原作者删帖不实内容删帖广告或垃圾文章投诉

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文章浏览阅读834次，点赞27次，收藏13次。网络拓扑结构是指计算机网络中各组件（如计算机、服务器、打印机、路由器、交换机等设备）及其连接线路在物理布局或逻辑构型上的排列形式。这种布局不仅描述了设备间的实际物理连接方式，也决定了数据在网络中流动的路径和方式。不同的网络拓扑结构影响着网络的性能、可靠性、可扩展性及管理维护的难易程度。_网络拓扑csdn

JS重写Date函数，兼容IOS系统_date.prototype 将所有 ios-程序员宅基地

文章浏览阅读1.8k次，点赞5次，收藏8次。IOS系统Date的坑要创建一个指定时间的new Date对象时，通常的做法是：new Date("2020-09-21 11:11:00")这行代码在 PC 端和安卓端都是正常的，而在 iOS 端则会提示 Invalid Date 无效日期。在IOS年月日中间的横岗许换成斜杠，也就是new Date("2020/09/21 11:11:00")通常为了兼容IOS的这个坑，需要做一些额外的特殊处理，笔者在开发的时候经常会忘了兼容IOS系统。所以就想试着重写Date函数，一劳永逸，避免每次ne_date.prototype 将所有 ios