douzhang8033 2013-04-10 06:07
浏览 37


i would like to send 3 parameters organisation name,location name and building name as the parameters to ajax i have coded it as follows i would like to get the values passed from the ajax to see in the page that i need to execute .

 //ajax calling
  function ajax()
 var req;
var org=document.getElementById('category_id').value;
var loc=document.getElementById('category_id1').value; 
var bui=document.getElementById('category_id2').value;  
 if (window.XMLHttpRequest)
  {// code for IE7+, Firefox, Chrome, Opera, Safari
   req=new XMLHttpRequest();
 {// code for IE6, IE5
   req=new ActiveXObject("Microsoft.XMLHTTP");
 }"POST", "addmachine.php?org="+org+"&loc="+loc+"&bui="+bui+"", true);



         <form name="theForm" method="post" action="addmachine.php" enctype="multipart/form-data" onSubmit="return validate();">
          <label for="orgname">Organisation Name</label>
                    <select style="width: 305px;text-align:left ;"  name="category_id" id="category_id" onchange="OrganisationName(this);">
                    <option value="">Select</option>
                     <option value="1">1</option>
                     <option value="2">2</option>

        <label name="location">Location</label>

                     <select style="width: 305px;" name="category_id1" id="category_id1" onchange="LocationName(this);" >
                     <option value="">Select</option>
                     <option value="1">1</option>
                     <option value="2">2</option>

        <label for="building">Building</label>

                    <select style="width: 305px" name="category_id2" id="category_id2" onchange="BuildingName(this);" onchange="ajax(this);">
                    <option value="">Select</option>
                    <option value="1">1</option>
                    <option value="2">2</option>
                    <label for="entr/exi">Entrance/Exit</label>
                    <input type="text" name="ent" id="ent" placeholder="enter entrance/exit"/>
                    <label for="type">Type</label>
                    <input type="text" name="type" placeholder="enter your work station"/>

          <label for="name">Name</label>
          <input type="text" id="workstnname" name="workstnname" placeholder="enter your work station" onblur="return name();" onkeypress="return onKeyPressBlockNumbers(event);">
          <label for="description">Description</label>
          <textarea name="description" style="height:150px;width:300px;"></textarea>
          <label for="machinetype">Machine Type</label>
                    <select style="width: 305px;text-align:left;"  name="machinetype">
                    <option value="">Select</option>
                    <option value="kiosk">kiosk</option>
                    <option value="workstation">workstation</option>

                    <input type="submit" name="submit" value="Submit">


here on change function of building i am supposed to call ajax to execute a php page called addmachine.php with parameters as selected organisation,location and building ,now i am afraid why i am not getting response from the ajax can any one say me where i am doing wrong the php to be executed on onchange of the building is here

   echo json_encode($addmachine);
  $url='web service url';
     echo("Input to Server : ".$data."
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_POST, true);
    curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($addmachine));
    curl_setopt($ch, CURLOPT_HTTPHEADER, array("Content-Type: application/json"));
    $response=  curl_exec($ch);
'."Server response : 
  • 写回答

3条回答 默认 最新

  • douba1067 2013-04-10 06:20

    If you normally post your form by clicking submit, you need to change your php code to


    If you use your ajax function then it should be


    cause your using GET variables in your querystring (remove the extra ampersand before org)"POST", "addmachine.php?org="+org+"&loc="+loc+"&bui="+bui+"", true);
    本回答被题主选为最佳回答 , 对您是否有帮助呢?



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