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private static String getHexString(int i) {
    float temp = 255 * i * 1.0f / 100f;
    int round = Math.round(temp); //四舍五入
    String hexString = Integer.toHexString(round);
    if (hexString.length() < 2) {
        hexString = "0" + hexString; //原博文此处是错的
    }
    return hexString.toUpperCase();
}

private static void listFormat() {
    System.out.println("-------透明度百分比对应的十六进制-------");
    for (int i = 0; i <= 100; i++) {
        System.out.println("百分比：" + i + "%" + "\t十六进制：" + getHexString(i));
    }
}

private static void markdownFormat() {
    System.out.println("-------透明度百分比对应的十六进制-------");
    for (int i = 0; i <= 9; i++) {
        StringBuilder transparency = new StringBuilder();
        StringBuilder percent = new StringBuilder();
        int value = 10 * i;
        for (int j = 0; j <= 9; j++) {
            transparency.append("|").append(" ").append(getHexString(value)).append(" ");
            percent.append("|").append(" ").append(value++).append("%").append(" ");
        }
        percent.append("|").append("\n").append(transparency).append("|");
        System.out.println(percent.toString());
    }
}

2019-6-30

本文来自博客园，作者：白乾涛，转载请注明原文链接：https://www.cnblogs.com/baiqiantao/p/11108345.html

透明度中百分比与十六进制的对应关系 [MD]

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