我是Python和AJAX的初学者，为什么当我用app.html运行app.py时，我想要显示的结果被整个表单替换了？
\n\n这是我的代码：
\n\nfrom flask import Flask, render_template, request\n\napp = Flask(__name__, \ntemplate_folder=\'C:\\\\Users\\\\iyzadsyammil\\\\PycharmProjects\\\\PVT - Copy\')\n\n@app.route(\'/App\',methods=[\'GET\', \'POST\'])\ndef showapp():\nerror = " "\nfinalpb= 0\nx=0\nlogpb=0\n\nif request.method == \'POST\':\n ingor = request.form[\'inGOR\']\n\n ingor = float(ingor)\n\n try:\n finalpb = ingor\n except ValueError:\n error = "Please enter an appropriate value!"\n\nreturn render_template(\'app.html\',error=error,finalpb=finalpb)\n\nif __name__ == "__main__":\n app.run(debug=True)\n这是我的 Python Flask 文件
\n\n<!DOCTYPE html>\n<html lang="en">\n <head>\n <meta charset="utf-8">\n <meta http-equiv="X-UA-Compatible" content="IE=edge">\n <meta name="viewport" content="width=device-width, initial-scale=1">\n <!-- The above 3 meta tags *must* come first in the head; any …