PHP + plupload.js implements multi-image upload and displays progress bar plus deletion example code-PHP Tutorial-php.cn

Home

Backend Development

PHP Tutorial

PHP + plupload.js implements multi-image upload and displays progress bar plus deletion example code

黄舟

Mar 08, 2017 am 09:13 AM

This article mainly introduces PHP + plupload.js to implement multiple image uploads and display the progress bar and delete example code. It has certain reference value, and those who are interested can learn about it.

PHP + plupload.js JS plug-in implements multiple image uploads and displays progress bars and deletion instances. Without further ado, let’s go directly to the code

HTML code:

<!DOCTYPE html> 
 
<head> 
<meta charset="utf-8" /> 
<meta name="viewport" content="initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no"> 
<title>多图上传</title> 
<script type="text/javascript" src="jquery.min.js"></script> 
<script type="text/javascript" src="plupload.full.min.js"></script> 
</head> 
<body> 
<style type="text/css"> 
*{ margin:0px; padding:0px; font-family:Microsoft Yahei; box-sizing:border-box; -webkit-box-sizing:border-box;} 
.demo{max-width:640px; margin:0 auto; min-width:320px;} 
.ul_pics{ float:left;} 
.ul_pics li{float:left; margin:0px; padding:0px; margin-left:5px; margin-top:5px; position:relative; 
list-style-type:none; border:1px solid #eee; width:80px; height:80px;} 
.ul_pics li img{width:80px;height:80px;} 
.ul_pics li i{ position:absolute; top:0px; right:-1px; background:red; cursor:pointer; font-style:normal; 
font-size:10px; width:14px; height:14px; text-align:center; line-height:12px; color:#fff;} 
.progress{position:relative; margin-top:30px; background:#eee;}  
.bar {background-color: green; display:block; width:0%; height:15px; }  
.percent{position:absolute; height:15px; top:-18px; text-align:center; display:inline-block; left:0px; width:80px; color:#666; line-height:15px; font-size:12px; }  
.demo #btn{ width:80px; height:80px; margin-left:5px; margin-top:5px; border:1px dotted #c2c2c2; 
background:url(up.png) no-repeat center; background-size:30px auto; text-align:center; line-height:120px; font-size:30px; color:#666; float:left;} 
</style> 
<p class="demo"> 
 <a href="javascript:void(0)" rel="external nofollow" id="btn"></a> 
 <ul id="ul_pics" class="ul_pics clearfix"> 
 </ul>  
</p> 
<script type="text/javascript"> 
var uploader = new plupload.Uploader({    //创建实例的构造方法 
 runtimes: &#39;html5,flash,silverlight,html4&#39;, //上传插件初始化选用那种方式的优先级顺序 
 browse_button: &#39;btn&#39;,           // 上传按钮 
 url: "upimgs.php?get=upimg",        //远程上传地址 
 flash_swf_url: &#39;plupload/Moxie.swf&#39;,    //flash文件地址 
 silverlight_xap_url: &#39;plupload/Moxie.xap&#39;, //silverlight文件地址 
 filters: { 
  max_file_size: &#39;10mb&#39;, //最大上传文件大小（格式100b, 10kb, 10mb, 1gb） 
  mime_types: [  //允许文件上传类型 
    {title: "files", extensions: "jpg,png,gif"} 
  ] 
 }, 
 multipart_params:{ },  //文件上传附加参数 
 file_data_name:"upimg", //文件上传的名称 
 multi_selection: false, //true:ctrl多文件上传, false 单文件上传 
 init: { 
  FilesAdded: function(up, files) { //文件上传前 
    if ($("#ul_pics").children("li").length > 5) { 
      alert("您上传的图片太多了！"); 
      uploader.destroy(); 
    } else { 
      var li = &#39;&#39;; 
      plupload.each(files, function(file) { //遍历文件 
        li += "<li id=&#39;" + file[&#39;id&#39;] + "&#39;><p class=&#39;progress&#39;><span class=&#39;bar&#39;></span><span class=&#39;percent&#39;>上传中 0%</span></p></li>"; 
      }); 
      $("#ul_pics").append(li); 
      uploader.start(); 
    } 
  }, 
  UploadProgress: function(up, file) { //上传中，显示进度条 
  var percent = file.percent; 
    $("#" + file.id).find(&#39;.bar&#39;).css({"width": percent + "%"}); 
    $("#" + file.id).find(".percent").text("上传中 "+percent + "%"); 
  }, 
  FileUploaded: function(up, file, info) { //文件上传成功的时候触发 
    var data = eval("(" + info.response + ")"); 
    $("#" + file.id).html("<img  src=&#39;" + this.url + "&#39;/ alt="PHP + plupload.js implements multi-image upload and displays progress bar plus deletion example code" ><i onclick=&#39;delimg(this)&#39;>x</i><input type=&#39;hidden&#39; name=&#39;&#39; value=&#39;"+ this.url +"&#39;>"); 
  }, 
  Error: function(up, err) { //上传出错的时候触发 
    alert("error"); 
  } 
 } 
}); 
uploader.init(); 
 
function delimg(o){ 
  var src = $(o).prev().attr("src");  
  $.post("upimgs.php?get=delimg&imgurl="+src,function(data){    
    if(data==1){ 
      $(o).parent().remove(); 
    } 
  })  
} 
</script> 
</body> 
</html>

PHP code:

<?php 
$typeArr = array("jpg", "png", "gif");//允许上传文件格式  
$path = "files/";//上传路径  
 if (isset($_POST)) {  
  if($_GET[&#39;get&#39;]=="upimg"){ 
   $name = $_FILES[&#39;file&#39;][&#39;name&#39;];  
   $size = $_FILES[&#39;file&#39;][&#39;size&#39;];  
   $name_tmp = $_FILES[&#39;file&#39;][&#39;tmp_name&#39;];  
   if (empty($name)) {  
     echo json_encode(array("error"=>"您还未选择图片"));  
     exit;  
   }  
   $type = strtolower(substr(strrchr($name, &#39;.&#39;), 1)); //获取文件类型  
     
   if (!in_array($type, $typeArr)) {  
     echo json_encode(array("error"=>"清上传jpg,png或gif类型的图片！"));  
     exit;  
   }  
   if ($size > (1024 * 1024 * 10)) {  
     echo json_encode(array("error"=>"图片大小已超过10MB！"));  
     exit;  
   }  
     
   $pic_name = time() . rand(10000, 99999) . "." . $type;//图片名称  
   $pic_url = $path . $pic_name;//上传后图片路径+名称  
   if (move_uploaded_file($name_tmp, $pic_url)) { //临时文件转移到目标文件夹  
     echo json_encode(array("error"=>"0","pic"=>$pic_url,"name"=>$pic_name));  
   } else {  
     echo json_encode(array("error"=>"上传有误，清检查服务器配置！"));  
   }  
  } 
  if($_GET[&#39;get&#39;]=="delimg"){ 
    $imgsrc = $_GET[&#39;imgurl&#39;]; 
    unlink($imgsrc); 
    echo 1; 
  } 
}

That’s it PHP + plupload.js implements multi-image uploading and displays the progress bar and deletes the content of the example code. For more related content, please pay attention to the PHP Chinese website (www.php.cn)!

Statement

The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

The Continued Use of PHP: Reasons for Its EnduranceApr 19, 2025 am 12:23 AM

What’s still popular is the ease of use, flexibility and a strong ecosystem. 1) Ease of use and simple syntax make it the first choice for beginners. 2) Closely integrated with web development, excellent interaction with HTTP requests and database. 3) The huge ecosystem provides a wealth of tools and libraries. 4) Active community and open source nature adapts them to new needs and technology trends.

PHP and Python: Exploring Their Similarities and DifferencesApr 19, 2025 am 12:21 AM

PHP and Python are both high-level programming languages that are widely used in web development, data processing and automation tasks. 1.PHP is often used to build dynamic websites and content management systems, while Python is often used to build web frameworks and data science. 2.PHP uses echo to output content, Python uses print. 3. Both support object-oriented programming, but the syntax and keywords are different. 4. PHP supports weak type conversion, while Python is more stringent. 5. PHP performance optimization includes using OPcache and asynchronous programming, while Python uses cProfile and asynchronous programming.

PHP and Python: Different Paradigms ExplainedApr 18, 2025 am 12:26 AM

PHP is mainly procedural programming, but also supports object-oriented programming (OOP); Python supports a variety of paradigms, including OOP, functional and procedural programming. PHP is suitable for web development, and Python is suitable for a variety of applications such as data analysis and machine learning.

PHP and Python: A Deep Dive into Their HistoryApr 18, 2025 am 12:25 AM

PHP originated in 1994 and was developed by RasmusLerdorf. It was originally used to track website visitors and gradually evolved into a server-side scripting language and was widely used in web development. Python was developed by Guidovan Rossum in the late 1980s and was first released in 1991. It emphasizes code readability and simplicity, and is suitable for scientific computing, data analysis and other fields.

Choosing Between PHP and Python: A GuideApr 18, 2025 am 12:24 AM

PHP is suitable for web development and rapid prototyping, and Python is suitable for data science and machine learning. 1.PHP is used for dynamic web development, with simple syntax and suitable for rapid development. 2. Python has concise syntax, is suitable for multiple fields, and has a strong library ecosystem.

PHP and Frameworks: Modernizing the LanguageApr 18, 2025 am 12:14 AM

PHP remains important in the modernization process because it supports a large number of websites and applications and adapts to development needs through frameworks. 1.PHP7 improves performance and introduces new features. 2. Modern frameworks such as Laravel, Symfony and CodeIgniter simplify development and improve code quality. 3. Performance optimization and best practices further improve application efficiency.

PHP's Impact: Web Development and BeyondApr 18, 2025 am 12:10 AM

PHPhassignificantlyimpactedwebdevelopmentandextendsbeyondit.1)ItpowersmajorplatformslikeWordPressandexcelsindatabaseinteractions.2)PHP'sadaptabilityallowsittoscaleforlargeapplicationsusingframeworkslikeLaravel.3)Beyondweb,PHPisusedincommand-linescrip

How does PHP type hinting work, including scalar types, return types, union types, and nullable types?Apr 17, 2025 am 12:25 AM

PHP type prompts to improve code quality and readability. 1) Scalar type tips: Since PHP7.0, basic data types are allowed to be specified in function parameters, such as int, float, etc. 2) Return type prompt: Ensure the consistency of the function return value type. 3) Union type prompt: Since PHP8.0, multiple types are allowed to be specified in function parameters or return values. 4) Nullable type prompt: Allows to include null values and handle functions that may return null values.

See all articles