ajax怎么顯示上傳進(jìn)度

這篇文章主要介紹“ajax怎么顯示上傳進(jìn)度”，在日常操作中，相信很多人在ajax怎么顯示上傳進(jìn)度問題上存在疑惑，小編查閱了各式資料，整理出簡(jiǎn)單好用的操作方法，希望對(duì)大家解答”ajax怎么顯示上傳進(jìn)度”的疑惑有所幫助！接下來，請(qǐng)跟著小編一起來學(xué)習(xí)吧！

本例用了jquery.form.js請(qǐng)到演示頁面查看
 
CSS Code

復(fù)制代碼 代碼如下:

<style>
form { display: block; margin: 20px auto; background: #eee; border-radius: 10px; padding: 15px }
#progress { position:relative; width:400px; border: 1px solid #ddd; padding: 1px; border-radius: 3px; }
#bar { background-color: #B4F5B4; width:0%; height:20px; border-radius: 3px; }
#percent { position:absolute; display:inline-block; top:3px; left:48%; }
</style>

XML/HTML Code

復(fù)制代碼 代碼如下:

<form id="myForm" action="upload.php" method="post" enctype="multipart/form-data">
<input type="file" size="60" name="myfile">
<input type="submit" value="Ajax File Upload">
</form>
<div id="progress">
<div id="bar"></div>
<div id="percent">0%</div >
</div>
<div id="message"></div>

JavaScript Code

復(fù)制代碼 代碼如下:

<script>
$(document).ready(function()
{
var options = {
beforeSend: function()
{
$("#progress").show();
//clear everything
$("#bar").width('0%');
$("#message").html("");
$("#percent").html("0%");
},
uploadProgress: function(event, position, total, percentComplete)
{
$("#bar").width(percentComplete+'%');
$("#percent").html(percentComplete+'%');
},
success: function()
{
$("#bar").width('100%');
$("#percent").html('100%');
},
complete: function(response)
{
$("#message").html("<font color='green'>"+response.responseText+"</font>");
},
error: function()
{
$("#message").html("<font color='red'> ERROR: unable to upload files</font>");
}
};
$("#myForm").ajaxForm(options);
});
</script>

upload.php

復(fù)制代碼 代碼如下:

<?php
$output_dir = "../upload/";
if(isset($_FILES["myfile"]))
{
//Filter the file types , if you want.
if ($_FILES["myfile"]["error"] > 0)
{
echo "Error: " . $_FILES["file"]["error"] . "<br>";
}
else
{
//move the uploaded file to uploads folder;
move_uploaded_file($_FILES["myfile"]["tmp_name"],$output_dir. $_FILES["myfile"]["name"]);
echo "Uploaded File :".$_FILES["myfile"]["name"];
}
}
?>

到此，關(guān)于“ajax怎么顯示上傳進(jìn)度”的學(xué)習(xí)就結(jié)束了，希望能夠解決大家的疑惑。理論與實(shí)踐的搭配能更好的幫助大家學(xué)習(xí)，快去試試吧！若想繼續(xù)學(xué)習(xí)更多相關(guān)知識(shí)，請(qǐng)繼續(xù)關(guān)注億速云網(wǎng)站，小編會(huì)繼續(xù)努力為大家?guī)砀鄬?shí)用的文章！