RGB这些数字颜色怎么用16进计算代码？

RGB这些数字颜色怎么用16进计算代码？

//**将rgb色彩值转成16进制代码**public String convertRGBToHex(int r, int g, int b) {String rFString, rSString, gFString, gSString,bFString, bSString, result;
int red, green, blue;
int rred, rgreen, rblue;
red = r / 16;rred = r % 16;
if (red == 10) rFString = "A";
else if (red == 11) rFString = "B";
else if (red == 12) rFString = "C";
else if (red == 13) rFString = "D";
else if (red == 14) rFString = "E";
else if (red == 15) rFString = "F";
else rFString = String.valueOf(red);
if (rred == 10) rSString = "A";
else if (rred == 11) rSString = "B";
else if (rred == 12) rSString = "C";
else if (rred == 13) rSString = "D";
else if (rred == 14) rSString = "E";
else if (rred == 15) rSString = "F";
else rSString = String.valueOf(rred);rFString = rFString + rSString;green = g / 16;rgreen = g % 16;
if (green == 10) gFString = "A";
else if (green == 11) gFString = "B";
else if (green == 12) gFString = "C";
else if (green == 13) gFString = "D";
else if (green == 14) gFString = "E";
else if (green == 15) gFString = "F";
else gFString = String.valueOf(green);
if (rgreen == 10) gSString = "A";
else if (rgreen == 11) gSString = "B";
else if (rgreen == 12) gSString = "C";
else if (rgreen == 13) gSString = "D";
else if (rgreen == 14) gSString = "E";
else if (rgreen == 15) gSString = "F";
else gSString = String.valueOf(rgreen);
gFString = gFString + gSString;blue = b / 16;rblue = b % 16;
if (blue == 10) bFString = "A";
else if (blue == 11) bFString = "B";
else if (blue == 12) bFString = "C";
else if (blue == 13) bFString = "D";
else if (blue == 14) bFString = "E";
else if (blue == 15) bFString = "F";
else bFString = String.valueOf(blue);
if (rblue == 10) bSString = "A";
else if (rblue == 11) bSString = "B";
else if (rblue == 12) bSString = "C";
else if (rblue == 13) bSString = "D";
else if (rblue == 14) bSString = "E";
else if (rblue == 15) bSString = "F";
else bSString = String.valueOf(rblue);bFString = bFString + bSString;result = "#" + rFString + gFString + bFString;
return result;}
根据具体问题类型，进行步骤拆解／原因原理分析／内容拓展等。具体步骤如下：／导致这种情况的原因主要是……
2018-04-18

十六进制颜色代码和rgb数字颜色转换工具
www.sioe.cn/yingyong/yanse-rgb-16/2019-06-26