这篇文章主要为大家详细介绍了 PHP 结合 plupload.js JS 插件实现多图上传并显示进度条加删除实例, 具有一定的参考价值,感兴趣的小伙伴们可以参考一下
Javascript 是一种由 Netscape 的 LiveScript 发展而来的原型化继承的基于对象的动态类型的区分大小写的客户端脚本语言,主要目的是为了解决服务器端语言,比如 Perl,遗留的速度问题,为客户提供更流畅的浏览效果。
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)" 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;
- }
- }
来源: http://www.phperz.com/article/17/0522/330070.html