Home > Article > Backend Development > PHP + plupload.js implements multi-image upload and displays progress bar plus deletion example code

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

黄舟Original: 2017-03-08 09:13:321628browse

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;/><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

Previous article：How to quickly switch between multiple PHP versions on mac osNext article：How to quickly switch between multiple PHP versions on mac os

See more

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

Related articles