<?php

// 設(shè)置總?cè)蝿?wù)數(shù)
$totalTasks = 100;

// 初始化進度條
$progressBar = new ProgressBar($totalTasks);

// 模擬任務(wù)處理
for ($i = 1; $i <= $totalTasks; $i++) {
    // 執(zhí)行任務(wù)
    // 這里可以是你的任務(wù)處理邏輯

    // 更新進度條
    $progressBar->update($i);
    usleep(100000); // 模擬任務(wù)執(zhí)行時間，單位是微秒（1秒 = 1000000 微秒）
}

// 完成后，輸出新行
$progressBar->finish();
echo "\n";

// 進度條類的定義
class ProgressBar
{
    protected $total;
    protected $barLength;
    protected $current = 0;

    public function __construct($total, $barLength = 50)
    {
        $this->total = $total;
        $this->barLength = $barLength;
        $this->draw();
    }

    public function update($current)
    {
        $this->current = $current;
        $this->draw();
    }

    public function draw()
    {
        $progress = ($this->current / $this->total);
        $bar = floor($this->barLength * $progress);

        echo "\r[";
        echo str_repeat("=", $bar);
        echo str_repeat(" ", $this->barLength - $bar);
        echo "] " . number_format($progress * 100, 2) . "%";
    }

    public function finish()
    {
        $this->update($this->total);
    }
}