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。