【Java】随机生成16进制颜色
public static String getRandColorCode() {
String r, g, b;
Random random = new Random();
r = Integer.toHexString(random.nextInt(256)).toUpperCase();
g = Integer.toHexString(random.nextInt(256)).toUpperCase();
b = Integer.toHexString(random.nextInt(256)).toUpperCase();
r = r.length() == 1 ? "0" + r : r;
g = g.length() == 1 ? "0" + g : g;
b = b.length() == 1 ? "0" + b : b;
return "#" + r + g + b;
}
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