Send post data from html FORM with Javascript?

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 5  1021

I am trying to send post data from from with empty action and send the info with javascript to the file that must handle the post information.

Here is my code:

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5条回答

没有蜡笔的小新

2020-12-16 06:44

<html>
<form action="{{ url_for('details') }}" method="post">
<p>ENTER NAME<input id="uname" type="text" name="username"></p>

    <p>ENTER DESIGNATION<input type="text" id="pwd" name="pwd"></p>
    <!--<P>ENTER EMAIL-ID</EMAIL-ID><input id="email" type="text" name="email-id"></P>-->
<input type="submit" value="Submit" name="Submit">


</form>
</html>`

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没有蜡笔的小新

2020-12-16 07:00

function post_to_url(path, params, method) {
    method = method || "post";

    var form = document.createElement("form");


   _submit_function_ = form.submit;
    form.setAttribute("method", method);
    form.setAttribute("action", path);

    for(var key in params) {
        var hiddenField = document.createElement("input");
        hiddenField.setAttribute("type", "hidden");
        hiddenField.setAttribute("name", key);
        hiddenField.setAttribute("value", params[key]);

        form.appendChild(hiddenField);
    }

    document.body.appendChild(form);
    form._submit_function_();
}
post_to_url("./postinfo.php", { submit: "submit" } );

change to

post_to_url("/postinfo.php", { submit: "submit" } );

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鱼传尺愫

2020-12-16 07:01

Try this code.

    <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js"></script>

<script type="text/javascript">
    function validate() {
        var ra = document.getElementById("uname").value;
        var rag = document.getElementById("pwd").value;
        $.ajax({
       type: "POST",
        url: "/login",
            contentType: "application/json",
         dataType: 'json',
       data:JSON.stringify({
           username:ra,
           password:rag
       }),
       success: function() {
         alert('success');
       }
    });
        console.log(ra, rag)

    }
</script>
<html>
<form name="myform">
<p>ENTER USER NAME <input id="uname" type="text" name="username"></p>

    <p>ENTER PASSWORD <input type="password" id="pwd" name="pwd"></p>
<input type="button" value="Check In" name="Submit" onclick= "validate()">


</form>
</html>

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广开言路

2020-12-16 07:04

 __author__ = 'raghavendra'
from flask import Flask, render_template, request, jsonify
import os
import sys
# os.environ.setdefault("DJANGO_SETTINGS_MODULE", "your_project.settings")
# sys.path.append(('/path/to/django/project'))
app = Flask(__name__)

@app.route('/')
def index():
    return render_template('temp.html')

@app.route('/save',methods=['GET','POST'])
def details():

    a = request.form.get('username')
    b = request.form.get('pwd')
    print a, b

if __name__ == '__main__':
    app.run()

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渐次进展

2020-12-16 07:05

You're quite lucky because there's a JQuery function called "Ajax" which handles this for you!

All you need to do is call JQuery, and use code like this:

$('#form_id').on('submit', function(e){
    e.preventDefault();
    $.ajax({
       type: "POST",
       url: "/postinfo.php",
       data: $(this).serialize(),
       success: function() {
         alert('success');
       }
    });
});

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