Script met Formulier

Code (php)
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<html>
<head>
<script language="javascript">
/*
    This is the script part, for posting values
    Response is the text to supply to your user
    MyMessage is a html element to recieve the response
*/
$input = function(text)
{
  //  Zo kan je gemakkelijk een html element aanspreken
  return document.getElementsByTagName(text);
}
function sendForm(response) {
    try {
        //mydata is POST container
        var mydata = '', name = '';
        /**
         * get all input values
         *
         **/
        var inputs = $input('input');
        for (var i = 0; i < inputs.length; ++i) {    //this get all input types,
                                                    //except Textarea and Select
            /*
                prepared to use name or id of html element
            */
            if (inputs[i].name) {
                name = inputs[i].name;
            } else if (inputs[i].id) {
                name = inputs[i].id;
            } else {
                name = '';
            }
            if ((name!='')&&inputs[i].value) {
                  mydata += '&' + name + '=' + inputs[i].value;
            }
        }
        /**
         * get all selected values
         *
         **/
        var inputs = $input('select');
        /*
            this function works NOT on multiple selections
            Yet ...
        */
        //alert(inputs.length);
        for (var i = 0; i < inputs.length; ++i) {
            //If you want you can loop thrue all options[] of active select element
              mydata += '&' + inputs[i].name +
                        '=' + inputs[i].options[inputs[i].options.selectedIndex].value;
        }
        /**
         * get all textarea values
         *
         **/
        var inputs = $input('textarea');
        for (var i = 0; i < inputs.length; ++i) {
              mydata += '&' + inputs[i].name + '=' + inputs[i].value;
        }
        /**
         * get a XMLHttpRequestobject
         *
         **/
        if (window.XMLHttpRequest) { // code for IE7+, Firefox, Chrome, Opera, Safari
            var xmlhttp = new XMLHttpRequest();
        } else { // code for IE6, IE5
            var xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
        }
        /**
         * Create onreadystatechange function
         *
         **/
        xmlhttp.onreadystatechange = function () {
            //Is it ready to send data
            if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
                //give your response
                 document.getElementById("myMessage").innerHTML = response;                     }
        }
        /**
         * get remote URL, to execute POST values
         * the file has to be there!
         *
         **/
        var doNow = "post_ajax.php"
        /**
         * open Request
         *
         **/
        xmlhttp.open("POST", doNow, true);
        /**
         * set some headers
         *
         **/
        xmlhttp.setRequestHeader("Content-type","application/x-www-form-urlencoded");
        xmlhttp.setRequestHeader("Content-length",mydata.length);
        xmlhttp.setRequestHeader("Connection", "close");
        /**
         * send POST data
         *
         **/
        //alert(mydata.length);
        xmlhttp.send(mydata);
    } catch (e) {
        // display error message
        alert("Error sending the response: " + e.toString());
    }
}
</script>
<style TYPE="text/css" MEDIA=screen>
    .warning {
    background-color: orange;
    color: white;
</style>
</head>
<body>
<div id="myMessage" class="warning"><!-- class is to alert your user //-->
</div>
<form id="mailfrm" name="mailfrm" action="javascript:sendForm('Uw formulier is verwerkt!')">
<input id="formname" name="formname" value="mailfrm" type="hidden">
<label for="name">
Gast naam:
</label>
<input id="name" name="name" title="Geef hier uw naam." size="25" value="Gebruiker">
<br>
<label for="mail">
Mailadres:
</label>
<input id="mail" name="mail" title="Geef hier uw mailadres." size="30" value="gebruiker@mail.to">
<br>
<label for="subject">
Onderwerp:
</label>
<input id="subject" name="subject" title="Geef hier het onderwerp van uw bericht." size="40" value="Test Ajax">
<br>
<label for="message">
Bericht:
</label>
<textarea id="message" name="message" title="Type hier het bericht en/of opmerking die u wilt plaatsen." cols="40" rows="10">Super snel dataverwerking
</textarea>
<br>
<p align="center">
<button type="reset" value="reset" title="Herstel ingegeven waarden.">
Herstel
</button>
<button value="send" title="Verzend ingegeven waarden.">
Verzend
</button>
</p>
</form>
</body>
</html>

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Inhoudsopgave

  1. Script met Formulier
  2. post_ajax.php

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