烧瓶+MySQL。应用程序重新加载同一页面而不是路由,并且无法将值添加到 mysql db

Flask+MySQL. App reloads the same page instead of routing and it fails to add values to mysql db

我知道下面有很多代码,但我不得不展示 html/css/js 和 flask+mysql 代码 以便更好地理解。有什么不明白的再问。

问题是,在我在注册页面中提供凭据并提交后,我希望它将值添加到数据库并路由到登录页面,但实际上它所做的是重新加载相同的页面,link 看起来像这样,

即:

"http://127.0.0.1:5000/register/patient?name_surname=jack+stathem&email=jsm%40outlook.com&ssn=123456789&age=40"

我有一些语义错误,我不知道如何解决。

谢谢

var currentTab = 0; // Current tab is set to be the first tab (0)
showTab(currentTab); // Display the current tab

function showTab(n) {
  // This function will display the specified tab of the form ...
  var x = document.getElementsByClassName("tab");
  x[n].style.display = "block";
  // ... and fix the Previous/Next buttons:
  if (n == 0) {
    document.getElementById("prevBtn").style.display = "none";
  } else {
    document.getElementById("prevBtn").style.display = "inline";
  }
  if (n == (x.length - 1)) {
    document.getElementById("nextBtn").innerHTML = "Submit";
    // document.getElementById("nextBtn").value = "submit";
  } else {
    document.getElementById("nextBtn").innerHTML = "Next";
  }
  // ... and run a function that displays the correct step indicator:
  fixStepIndicator(n)
}

function nextPrev(n) {
  // This function will figure out which tab to display
  var x = document.getElementsByClassName("tab");
  // Exit the function if any field in the current tab is invalid:
  if (n == 1 && !validateForm()) return false;
  // Hide the current tab:
  x[currentTab].style.display = "none";
  // Increase or decrease the current tab by 1:
  currentTab = currentTab + n;
  // if you have reached the end of the form... :
  if (currentTab >= x.length) {
    //...the form gets submitted:
    document.getElementById("regForm").submit();
    return false;
  }
  // Otherwise, display the correct tab:
  showTab(currentTab);
}

function validateForm() {
  // This function deals with validation of the form fields
  var x, y, i, valid = true;
  x = document.getElementsByClassName("tab");
  y = x[currentTab].getElementsByTagName("input");
  // A loop that checks every input field in the current tab:
  for (i = 0; i < y.length; i++) {
    // If a field is empty...
    if (y[i].value == "") {
      // add an "invalid" class to the field:
      y[i].className += " invalid";
      // and set the current valid status to false:
      valid = false;
    }
  }
  // If the valid status is true, mark the step as finished and valid:
  if (valid) {
    document.getElementsByClassName("step")[currentTab].className += " finish";
  }
  return valid; // return the valid status
}

function fixStepIndicator(n) {
  // This function removes the "active" class of all steps...
  var i, x = document.getElementsByClassName("step");
  for (i = 0; i < x.length; i++) {
    x[i].className = x[i].className.replace(" active", "");
  }
  //... and adds the "active" class to the current step:
  x[n].className += " active";
}
 /* Style the form */
#regForm {
  background-color: #ffffff;
  margin: 100px auto;
  padding: 40px;
  width: 70%;
  min-width: 300px;
}

/* Style the input fields */
input {
  padding: 10px;
  width: 100%;
  font-size: 17px;
  font-family: Raleway;
  border: 1px solid #aaaaaa;
}

/* Mark input boxes that gets an error on validation: */
input.invalid {
  background-color: #ffdddd;
}

/* Hide all steps by default: */
.tab {
  display: none;
}

/* Make circles that indicate the steps of the form: */
.step {
  height: 15px;
  width: 15px;
  margin: 0 2px;
  background-color: #bbbbbb;
  border: none;
  border-radius: 50%;
  display: inline-block;
  opacity: 0.5;
}

/* Mark the active step: */
.step.active {
  opacity: 1;
}

/* Mark the steps that are finished and valid: */
.step.finish {
  background-color: #4CAF50;
} 
{% extends 'main.html' %}

{% block head %}
        <link rel="stylesheet" type="text/css" href="{{ url_for('static', filename='style/docnpatientreg.css') }}">
        <link rel="stylesheet" type="text/css" href="{{ url_for('static', filename='bootstrap-tagsinput.css') }}">
{% endblock %}

{% block body %}
    <form id="regForm">

        <h1>Register:</h1>

        <!-- One "tab" for each step in the form: -->
        <div class="tab">Name:
            <p><input name="name_surname" type="text" placeholder="First name..."></p>
            <p><input name='email' type="email" placeholder="E-mail..."></p>
            <p><input name='ssn' type="text" placeholder="SSN"></p>
            <p><input name='age' type="text" placeholder="Age"></p>
        </div>



        <div style="overflow:auto;">
            <div style="float:right;">
                <button type="button" id="prevBtn" onclick="nextPrev(-1)">Previous</button>
                <button type="submit" id="nextBtn" onclick="nextPrev(1)">Next</button>
            </div>
        </div>

        <!-- Circles which indicates the steps of the form: -->
        <div style="text-align:center;margin-top:40px;">
            <span class="step"></span>
        </div>

    </form>

    <script type="text/javascript" src="{{ url_for('static', filename='functionality/docnpatientreg.js') }}"></script>
    <script type="text/javascript" src="{{ url_for('static', filename='bootstrap-tagsinput.js') }}"></script>
{% endblock %}

烧瓶+MySQL

注意:这不是全部代码,如果需要我会post它

@medAI.route('/')  
def main_base():

  cursor.execute("select * from Patients")
  result = cursor.fetchall()
  print(result)

  return render_template('main.html')

@medAI.route('/register/<where>', methods=['GET','POST'])
def register(where):

  if where == "patient":
      if request.method == "GET":
          print("get phase")
          return render_template("patientreg.html")

      else:
          print("post phase")
          name_surname=request.form['name_surname']
          emailadd=request.form['email']
          # weight=request.form['weight']
          # height=request.form['']
          ssn=request.form['ssn']
          age=request.form['age']
          # gender=request.form['gender']
          # symptoms=request.form['symptoms']

      cursor.execute('select * from Patients')
      patients = cursor.fetchall()
      print(patients)

      check = True

      for patient in patients:
          print(patient[0])

      if check == True:
          cursor.execute("insert into patients(name_surname,emailadd, ssn)"
                         "values(%s);",(name_surname,emailadd, ssn, age,))
          database.commit()
          print('done')
      else:
          print('failed')
          return redirect('/register/patient')

      return redirect('/login/')


  elif where == "doctor":
      pass
  return "Invalid Registration Attempt"
表格中缺少

"action""method"

<form id="regForm" action="/register/patient" method="POST">