ตัวอย่างการใช้ jQuery upload ไฟล์แบบ ajax
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 | <! doctype html> < html > < head > < meta charset = "utf-8" > < title >jQuery: form > send file</ title > < link href = "../vendor/twbs/bootstrap/dist/css/bootstrap.min.css" rel = "stylesheet" type = "text/css" > < style > .progressbar { background: #c00000; clear: both; height: 10px; width: 0; } .progressLoaded { width: 50px; } .progressLoaded::after { content: " bytes"; } .progressPercent { width: 50px; } .progressPercent::after { content: " %"; } .progressTotal { float: left; width: 50px; } .progressTotal::after { content: " bytes"; } .progressTotal::before { content: " of "; } </ style > </ head > < body > < h1 >upload file with ajax</ h1 > < form action = "values.php" class = "form-horizontal" enctype = "multipart/form-data" id = "formA" method = "post" > < div class = "form-group" > < label class = "col-sm-2 control-label" for = "socialidI" >หมายเลขบัตรประชาชน</ label > < div class = "col-sm-10" > < input class = "form-control" id = "socialidI" maxlength = "13" name = "socialid" placeholder = "หมายเลขบัตรประชาชน" type = "number" > </ div > </ div > < div class = "form-group" > < label class = "col-sm-2 control-label" for = "photoI" >ภาพถ่าย</ label > < div class = "col-sm-10" > < input class = "form-control" id = "photoI" name = "photo" placeholder = "upload file" type = "file" > </ div > </ div > < div class = "form-group" > < div class = "col-sm-10 text-right" > < button type = "submit" class = "btn btn-success" >ส่งข้อมูล</ button > </ div > </ div > </ form > < div class = "col-sm-12" > < h4 >Progress</ h4 > < div class = "progressLoaded" ></ div > < div class = "progressTotal" ></ div > < div class = "progressPercent" ></ div > < div class = "progressbar" ></ div > </ div > < div class = "col-sm-12" id = "resultA" ></ div > < script src = "../vendor/components/jquery/jquery.min.js" ></ script > < script > function xhrProgress(xhr) { if (xhr.upload) { // For handling the progress of the upload xhr.upload.addEventListener('progress', function (e) { if (e.lengthComputable) { $('.progressTotal').html(e.total); $('.progressLoaded').html(e.loaded); percentComplete = parseInt((e.loaded / e.total * 100), 10); $('.progressPercent').html(percentComplete); $('.progressbar').css("width", percentComplete + '%'); } }, false); } return xhr; } $(function () { var formA = $('#formA'); formA.submit(function (event) { event.preventDefault(); $.ajax({ "beforeSend": function (jqXHR, settings) { /* แยกตัวแปรไว้ตรวจสอบข้อมูล */ var params = settings.data; if (settings.data.get('socialid') == '') { jqXHR.abort(); alert('กรุณากรอกหมายเลขบัตรประชาชน'); return false; } if (settings.data.get('photo').name == '') { jqXHR.abort(); alert('กรุณาอัพโหลดรูปภาพ'); return false; } }, "contentType": false, "data": new FormData(formA[0]), "method": "POST", "processData": false, "success": function (data, textStatus, jqXHR) { $('#resultA').html(data); }, "url": "values.php", "xhr": function () { return xhrProgress($.ajaxSettings.xhr()); }, }); }); }); </ script > </ body > </ html > |
ไฟล์ที่รอรับข้อมูล
1 2 3 4 | <?php echo 'FILE<pre>' , print_r( $_FILES , true), '</pre>' ; echo 'GET<pre>' , print_r( $_GET , true), '</pre>' ; echo 'POST<pre>' , print_r( $_POST , true), '</pre>' ; |
วิธีนี้ใช้ความสามารถใหม่ FormData ที่ใช้กับ browser เก่าแก่กว่า Internet Explorer 10 หรือ Edge ไม่ได้ ดูเพิ่มเติม