function submitForm() {
  // 获取表单元素
  var form = document.getElementById("myForm");
  
  // 创建FormData对象
  var formData = new FormData(form);
  
  // 创建XMLHttpRequest对象
  var xhr = new XMLHttpRequest();
  
  // 设置请求方法和URL
  xhr.open("POST", "/submit-form", true);
  
  // 发送表单数据
  xhr.send(formData);
  
  // 监听请求状态变化
  xhr.onreadystatechange = function() {
    if (xhr.readyState === 4 && xhr.status === 200) {
      // 请求成功，处理返回的数据
      var response = JSON.parse(xhr.responseText);
      console.log(response);
    }
  };
}

from django.views.generic.edit import FormView
from .forms import MyForm

class MyFormView(FormView):
    template_name = 'my_form.html'
    form_class = MyForm
    success_url = '/success'

    def form_valid(self, form):
        # 处理表单提交的逻辑
        form.save()
        return super().form_valid(form)

<form id="myForm" method="post" action="">
  <!-- 表单内容 -->
  <button type="button" onclick="submitForm()">提交</button>
</form>