控制台输出一个进度条

tool

/**
 * 控制台输出一个进度条
 * 例如 测试 => [##################################################] 12/12 (100%)
 *
 * @param prefixStr 进度条前缀
 * @param total     总进度
 * @param current   当前进度
 */
public static void consoleProgressBar(String prefixStr, int total, int current) {
  int percent = (int) ((double) current / total * 100);
  int filled = (int) Math.round(((double) current / total) * 50);
  String bar = "[" + "#".repeat(filled) + " ".repeat(50 - filled) + "] ";
  System.out.print("\r" + prefixStr + " => " + bar + current + "/" + total + " (" + percent + "%)");
  if (current == total) {
    System.out.println();
  }
}