Python Flask框架下获取当前查询参数的代码

from flask import Flask, render_template, request
# Initialize the Flask application
app = Flask(__name__)
# This is a catch all route, to catch any request the user does，http://www.pidancode.com
@app.route('/')
def index():
  qs = request.query_string
  return render_template('index.html', query_string=qs)
if __name__ == '__main__':
    app.run(
        host="0.0.0.0",
        port=int("80"),
    )