这里有新鲜出炉的 PHP 设计模式,程序狗速度看过来!
PHP(外文名: Hypertext Preprocessor,中文名:"超文本预处理器")是一种通用开源脚本语言。语法吸收了 C 语言、Java 和 Perl 的特点,入门门槛较低,易于学习,使用广泛,主要适用于 web 开发领域。PHP 的文件后缀名为 php。
本篇文章主要介绍了 PHP + plupload.js 实现多图上传并显示进度条加删除实例代码。具有一定的参考价值,有兴趣的可以了解一下。
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;
- }
- }
来源: http://www.phperz.com/article/17/0811/340407.html