最终版本(注释掉了无用且可能导致报错的内容

app/.idea/vcs.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
+  </component>
+</project>

app/application.py

@@ -3,7 +3,7 @@ from mydb import MyDB
 
 
 app = Flask(__name__)
-mydb=MyDB('localhost','root','kfq991122','covid19')
+mydb=MyDB('localhost','root','20Z00t10x28_my','covid19')
 
 @app.route('/')
 def hello():

app/mydb.py

@@ -239,6 +239,6 @@ class MyDB:
 
 
 
-mydb = MyDB('localhost', 'root', 'kfq991122', 'covid19')
-results = mydb.get_home_realtime_datas()
-print(results)
+#mydb = MyDB('localhost', 'root', 'kfq991122', 'covid19')
+#results = mydb.get_home_realtime_datas()
+#print(results)