[英]Flask WTForm as response to a AJAX call
In a Flask application, I am trying to "render" different Flask-WTForms based on various button choices. 在Flask应用程序中,我试图根据各种按钮选择来“渲染”不同的Flask-WTForms。 I also need to change the inner HTML of my div and hence trying to pass both the innerHTML and form together as below.
我还需要更改div的内部HTML,因此尝试按以下方式同时传递innerHTML和表单。 I get a error that forms are not JSON serializable.
我收到表单无法JSON可序列化的错误。
Any suggestions on how to do this on a AJAX call, rather than render a new page ? 关于如何通过AJAX调用而不是呈现新页面的任何建议?
Page is an object from the class described below. Page是来自下面描述的类的对象。
@app.route('/_select_forms',methods=['GET','POST'])
def _creation_frame():
content_requested=request.get_json()
Page=Page_contribute_frame(content_requested)
return jsonify(html=Page.html_string, form=Page.form)
class Page:
def __init__(self, **kwargs):
self.html_string = None
self.form = None
<div id=contribute-frame></div>
function contribute_frame(e){
var request_json = frame_identifier();
$.ajax({
type:'POST',
url:'/_contribute_frame',
contentType: "application/json",
data:request_json,
success : function(data){
$('#contribute-frame').html(data.html);
},
error : function (){
$('#contribute-frame').html('Browser did not get a response. Check connection.');
}
});
}````
通过呈现字符串在Flask中解决了此问题。
return render_template_string(Page.html_string, form=Page.form)
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