csu3_am335x/EVSE/rootfs/var/www/upgrade_iso.php

<?php
	$tag_header = 'upgrade';
	include 'head.php';
?>
    <div class="envor-content">
      <!--
      Page Title start
      //-->
      <section class="envor-page-title-1" data-stellar-background-ratio="0.5">
        <div class="container">
          <div class="row">
            <div class="col-lg-9 col-md-9 col-sm-9">
              <h1><?php echo $lang->showWord("upgrade"); ?></h1>
            </div>
          </div>
        </div>
      <!--
      Page Title end
      //-->
      </section>
      <!--
        Main Content start
      //-->
      <section class="envor-section">
        <div class="container">
          <div class="row">
            <div class="col-lg-12">
                <h2>Image <?php echo $lang->showWord("upgrade");?></h2>
				<div class="file-loading"> 
					<input name="file_iso" id="file_iso" type="file" class="file" data-show-preview="false" data-show-upload="false" <?php //data-allowed-file-extensions='["iso"]' ?>>
				</div>

				<input type="submit" class="btn btn-primary" id="upload_iso"></button>
				<input type="reset" class="btn btn-outline-secondary"></button>
		     </div>
		
            <div class="col-lg-12">
                <h2><?php echo $lang->showWord("upgrade_status");?></h2>
<!--                <textarea id="description" rows="2" class="form-control" placeholder=""></textarea>-->
				<p id="createResult"></p>
            </div>
          </div>
        </div>
      <!--
      Main Content start
      //-->
      </section>
	</div>

<?php 
	include 'foot.php';
?>

<script type="text/JavaScript">

	document.getElementById("upload_iso").onclick = function() {
		if(formCheck("iso"))
		{
			var fileInput = document.getElementById('file_iso');
			
			// 發送 Ajax 查詢請求並處理
			var request = new XMLHttpRequest();
			request.open("POST", "upgrade_iso_action.php");

			// POST 參數須使用 send() 發送
			var formData = new FormData();
			//var formData = new FormData(document.getElementById("file_iso"));
			var file = fileInput.files[0];
			formData.append("fw_tag", "iso");
			formData.append("file", file);

			// POST 請求必須設置表頭在 open() 下面，send() 上面
			request.upload.onprogress = function(e) {
			   document.getElementById("createResult").innerHTML = "Upload " + (Math.round( (e.loaded/e.total) *10000)/100) + "%";
			}

			request.send(formData);

			request.onreadystatechange = function() {
				// 伺服器請求完成
				if (request.readyState == 4) {
					// 伺服器回應成功
					if (request.status == 200) {
						document.getElementById("createResult").innerHTML = "";
						document.getElementById("createResult").innerHTML = request.responseText;
					} else {
						alert("發生錯誤" + request.status);
					}
				}
				else{
					document.getElementById("createResult").innerHTML = request.responseText;	
				}
			}
		}
	}
	
	function formCheck(fw_tag)
	{
		var file_type;
		
		if(fw_tag=="iso")
		{
			if(document.getElementById("file_iso").value.substring(document.getElementById("file_iso").value.length-3) != "hex")
			{
//				alert("Firmware file type is wrong, please check file type.(*.hex)");
//				document.getElementById("file_iso").focus();
				
//				return false;
			}
		 
			if(document.getElementById("file_iso").value.length <= 0)
			{
				alert("Firmware is not select, please check!");
				document.getElementById("file_iso").focus();
				
				return false;
			}	
			
//			if(confirm("Are you sure to update AC MCU firmware file now?...") == 1 )
				return true;
			// else
				// return false;
		}
		else
			return false;
	}

	function isNumberKey(evt)
	{
		var charCode = (evt.which) ? evt.which : event.keyCode
		
		if (charCode > 31 && (charCode < 48 || charCode > 57) && (charCode != 46))
			return false;
		
		return true;
	}
	
</script>