PHP + plupload.js实现多图上传并显示进度条加删除实例代码

5年以前 | 阅读数：1042 次 | 编程语言：PHP

PHP + plupload.js JS插件实现多图上传并显示进度条加删除实例，废话不多说，直接上代码

HTML代码：


    <!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> 
    <div class="demo"> 
     <a href="javascript:void(0)" rel="external nofollow" id="btn"></a> 
     <ul id="ul_pics" class="ul_pics clearfix"> 
     </ul>  
    </div> 
    <script type="text/javascript"> 
    var uploader = new plupload.Uploader({    //创建实例的构造方法 
     runtimes: 'html5,flash,silverlight,html4', //上传插件初始化选用那种方式的优先级顺序 
     browse_button: 'btn',           // 上传按钮 
     url: "upimgs.php?get=upimg",        //远程上传地址 
     flash_swf_url: 'plupload/Moxie.swf',    //flash文件地址 
     silverlight_xap_url: 'plupload/Moxie.xap', //silverlight文件地址 
     filters: { 
      max_file_size: '10mb', //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 = ''; 
          plupload.each(files, function(file) { //遍历文件 
            li += "<li id='" + file['id'] + "'><div class='progress'><span class='bar'></span><span class='percent'>上传中 0%</span></div></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('.bar').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='" + this.url + "'/><i onclick='delimg(this)'>x</i><input type='hidden' name='' value='"+ this.url +"'>"); 
      }, 
      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 代码：


    <?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['get']=="upimg"){ 
       $name = $_FILES['file']['name'];  
       $size = $_FILES['file']['size'];  
       $name_tmp = $_FILES['file']['tmp_name'];  
       if (empty($name)) {  
         echo json_encode(array("error"=>"您还未选择图片"));  
         exit;  
       }  
       $type = strtolower(substr(strrchr($name, '.'), 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['get']=="delimg"){ 
        $imgsrc = $_GET['imgurl']; 
        unlink($imgsrc); 
        echo 1; 
      } 
    }

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持脚本之家。