javascript - Upload File (Photos and videos) to Server PHP with PhoneGap -

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i've been working on phonegap based iphone application past few weeks , have run issue of file submission form. i'm new javascript , hoping help. need form users can submit name, email address, text, , photo or video submitted web server. tutorials i've found on topic far seem vague doesn't know in's , out's of js. following code seemed work pushing button didn't anything.

        <script type="text/javascript" charset="utf-8" src="cordova.js"></script>     <script type="text/javascript" charset="utf-8">  var picturesource;   // picture source var destinationtype; // sets format of returned value  // wait device api libraries load // document.addeventlistener("deviceready",ondeviceready,false);  // device apis available // function ondeviceready() {     picturesource = navigator.camera.picturesourcetype;     destinationtype = navigator.camera.destinationtype; }   // called when photo retrieved // function onphotourisuccess(imageuri) {      // show selected image     var smallimage = document.getelementbyid('smallimage');     smallimage.style.display = 'block';     smallimage.src = imageuri; }   // button call function // function getphoto(source) {   // retrieve image file location specified source   navigator.camera.getpicture(onphotourisuccess, onfail, { quality: 50,     destinationtype: destinationtype.file_uri,     sourcetype: source }); }  function uploadphoto() {      //selected photo uri in src attribute (we set on getphoto)     var imageuri = document.getelementbyid('smallimage').getattribute("src");     if (!imageuri) {         alert('please select image first.');         return;     }      //set upload options     var options = new fileuploadoptions();     options.filekey = "file";     options.filename = imageuri.substr(imageuri.lastindexof('/')+1);     options.mimetype = "image/jpeg";      options.params = {         firstname: document.getelementbyid("firstname").value,         lastname: document.getelementbyid("lastname").value,         workplace: document.getelementbyid("workplace").value     }      var ft = new filetransfer();     ft.upload(imageuri, encodeuri("http://some.server.com/upload.php"), win, fail, options); }  // called if bad happens. // function onfail(message) {   console.log('failed because: ' + message); }  function win(r) {     console.log("code = " + r.responsecode);     console.log("response = " + r.response);     //alert("response =" + r.response);     console.log("sent = " + r.bytessent); }  function fail(error) {     alert("an error has occurred: code = " + error.code);     console.log("upload error source " + error.source);     console.log("upload error target " + error.target); }  </script> </head> <body> <form id="regform">      <button onclick="getphoto(picturesource.photolibrary);">select photo:</button><br>     <img style="display:none;width:60px;height:60px;" id="smallimage" src="" />      first name: <input type="text" id="firstname" name="firstname"><br>     last name: <input type="text" id="lastname" name="lastname"><br>     work place: <input type="text" id="workplace" name="workplace"><br>     <input type="button" id="btnsubmit" value="submit" onclick="uploadphoto();"> </form> </body>


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