添加进度条示例

app.py

@@ -23,6 +23,37 @@ class MyApp(REPLApp):
             else:
                 await self.print("Congratulations! You guessed the number.")
                 break
+    
+    @RunSync
+    async def do_progress(self, args):
+        """
+        多行进度条示例
+        """
+        import sys
+        import asyncio
+
+        tasks = 3
+        total = 30
+        progresses = [0] * tasks
+
+        # 先打印多行空进度条
+        for t in range(tasks):
+            print(f'任务{t+1}: |{"-"*total}| 0%')
+        # 光标回到最上面
+        print('\033[F' * tasks, end='')
+
+        for i in range(total + 1):
+            for t in range(tasks):
+                bar = '█' * i + '-' * (total - i)
+                percent = int(i / total * 100)
+                print(f'任务{t+1}: |{bar}| {percent}%')
+            # 每次循环后，光标回到最上面
+            print('\033[F' * tasks, end='')
+            await asyncio.sleep(0.1)
+        # 最后打印完成的进度条
+        for t in range(tasks):
+            bar = '█' * total
+            print(f'任务{t+1}: |{bar}| 100%')
 
 
 async def mainLoop():