程序员一代码搬运工
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颜色rgb转hex java

import java.util.*;
import java.util.LinkedList;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class ColorHelper {
    public static String RGB2Hex(String rgb){
        Matcher matcher = Pattern.compile("(?<=[\\(|\\[])[^\\)|\\]]+").matcher(rgb);
        String[] rgbArr = null;
        String hex = "";
        if(matcher.find()){
            String tmp = matcher.group();
            rgbArr = tmp.split(",");
        }
        hex = String.format("#%02X%02X%02X", Integer.parseInt(rgbArr[0].trim()), Integer.parseInt(rgbArr[1].trim()), Integer.parseInt(rgbArr[2].trim()));
        return hex;
    }

    public static List<String> RGBArray2HexArray(String rgb){
        Matcher matcher = Pattern.compile("(?<=[\\(|\\[])[^\\)|\\]]+").matcher(rgb);
        List<String> rgbArr = new LinkedList<>();
        while(matcher.find()){
            String[] tmp = matcher.group().split(",");
            String hex = String.format("#%02X%02X%02X", Integer.parseInt(tmp[0].trim()), Integer.parseInt(tmp[1].trim()), Integer.parseInt(tmp[2].trim()));
            rgbArr.add(hex);
        }
        return rgbArr;
    }

    public static void main(String[] args) {
//        String co = "rgb(0.8274, 0.051, 0.2078)";
//        System.out.println(RGB2Hex(co));
        String co2 = "[255, 255, 0]";
        System.out.println(RGB2Hex(co2));
//        String co3 = "colors = {[51,204,255]/255;\n" +
//                "[255,255,0]/255;\n" +
//                "[51,204,102]/255;\n" +
//                "[51,255,204]/255;\n" +
//                "[255,255,153]/255;\n" +
//                "[219,186,119]/255;\n" +
//                "\n" +
//                "[204,255,255]/255;\n" +
//                "[102,255,51]/255;\n" +
//                "[255,204,0]/255;\n" +
//                "[102,153,255]/255;\n" +
//                "[153,204,51]/255;};";
//        System.out.println(RGBArray2HexArray(co3));
    }
}

 

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