From dc08715bc7543b10de006488f5b3c5b97e8d90e2 Mon Sep 17 00:00:00 2001
From: JaguarJack <njphper@gmail.com>
Date: Sun, 21 Jun 2020 10:50:29 +0800
Subject: [PATCH] =?UTF-8?q?=E6=96=B0=E5=A2=9E=E5=91=BD=E4=BB=A4=E8=A1=8C?=
 =?UTF-8?q?=E8=BF=9B=E5=BA=A6=E6=9D=A1?=
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Content-Type: text/plain; charset=UTF-8
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---
 extend/catcher/library/ProgressBar.php | 115 ++++++++++++++++++++++++-
 1 file changed, 114 insertions(+), 1 deletion(-)

diff --git a/extend/catcher/library/ProgressBar.php b/extend/catcher/library/ProgressBar.php
index 821f97c..9539b73 100644
--- a/extend/catcher/library/ProgressBar.php
+++ b/extend/catcher/library/ProgressBar.php
@@ -7,4 +7,117 @@
  * @author   JaguarJack <njphper@gmail.com>
  * @copyright By CatchAdmin
  * @license  https://github.com/yanwenwu/catch-admin/blob/master/LICENSE.txt
- */
\ No newline at end of file
+ */
+ namespace catcher\library;
+
+ use think\console\Output;
+
+ class ProgressBar
+ {
+     protected $output;
+
+     protected $total;
+
+     protected $current = 0;
+
+     protected $header = '[x] ';
+
+     protected $length= 100;
+
+     protected $average;
+
+     public function __construct(Output $output, int $total)
+     {
+         $this->output = $output;
+
+         $this->total = $total;
+
+         $this->average = $this->length/$total;
+     }
+
+     /**
+      * 开始
+      *
+      * @time 2020年06月20日
+      * @return void
+      */
+     public function start()
+     {
+        $this->write();
+     }
+
+     /**
+      * 前进
+      *
+      * @time 2020年06月20日
+      * @param int $step
+      * @return void
+      */
+     public function advance($step = 1)
+     {
+         $this->current += $step;
+
+         $this->write();
+     }
+
+     /**
+      * 结束
+      *
+      * @time 2020年06月20日
+      * @return void
+      */
+     public function finished()
+     {
+        $this->write(true);
+
+        $this->current = 1;
+     }
+
+     /**
+      * 输出
+      *
+      * @time 2020年06月20日
+      * @param bool $end
+      * @return void
+      */
+     protected function write($end = false)
+     {
+
+        $bar = $this->bar()  . ($end ? '' : "\r");
+
+        $this->output->write(sprintf('<info>%s</info>', $bar), false);
+     }
+
+     /**
+      * 进度条
+      *
+      * @time 2020年06月20日
+      * @return string
+      */
+     protected function bar()
+     {
+         $left = $this->total - $this->current;
+
+         $empty = str_repeat(' ', $left * $this->average);
+
+         $bar = str_repeat('>', $this->current * $this->average);
+
+         $percent = ((int)(sprintf('%.2f', $this->current/$this->total) * 100)) . '%';
+
+         return $this->header . $bar . $empty . ' ' . $percent;
+     }
+
+     /**
+      * 设置头信息
+      *
+      * @time 2020年06月20日
+      * @param $header
+      * @return $this
+      */
+     public function setHeader($header)
+     {
+         $this->header = $header;
+
+         return $this;
+     }
+ }
\ No newline at end of file