Java打印进度条

package com.shuwei.dai.utils.bitmap;

import java.util.Collections;

public class StepProgressBarExample {
    public static void main(String[] args) {
        simulateStep("Step 1: Initializing", 10);
        simulateStep("Step 2: Downloading", 20);
        simulateStep("Step 3: Installing", 30);
        simulateStep("Step 4: Configuring", 40);
        simulateStep("Step 5: Completing", 50);
    }

    private static void simulateStep(String stepName, int totalTasks) {
        System.out.println(stepName);

        for (int i = 0; i < totalTasks; i++) {
            // 模拟任务执行
            simulateTaskExecution();

            // 更新进度条
            updateProgressBar(i + 1, totalTasks);
        }

        System.out.println("\n" + stepName + " completed!\n");
    }

    private static void simulateTaskExecution() {
        // 模拟任务执行的延迟，你可以替换为实际任务的代码
        try {
            Thread.sleep(100);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }

    private static void updateProgressBar(int currentTask, int totalTasks) {
        int progress = (int) ((double) currentTask / totalTasks * 100);
        String progressBar = "[" + String.join("", Collections.nCopies(progress / 2, "=")) + ">"
                + String.join("", Collections.nCopies(50 - progress / 2, " ")) + "] " + progress + "%";

        System.out.print("\r" + progressBar);
    }
}