《PHP實戰：PHP + plupload.js實現多圖上傳并顯示進度條加刪除實例代碼》要點：
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PHP + plupload.js JS插件實現多圖上傳并顯示進度條加刪除實例,廢話不多說,直接上代碼
PHP實戰
HTML代碼：PHP實戰
<!DOCTYPE html>
<head>
<meta charset="utf-8" />
<meta name="viewport" content="initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
<title>多圖上傳</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="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({ //創建實例的構造方法
runtimes: 'html5,flash,silverlight,html4', //上傳插件初始化選用那種方式的優先級順序
browse_button: 'btn', // 上傳按鈕
url: "upimgs.php?get=upimg", //遠程上傳地址
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', //最大上傳文件大小(格式100b, 10kb, 10mb, 1gb)
mime_types: [ //允許文件上傳類型
{title: "files", extensions: "jpg,png,gif"}
]
},
multipart_params:{ }, //文件上傳附加參數
file_data_name:"upimg", //文件上傳的名稱
multi_selection: false, //true:ctrl多文件上傳, false 單文件上傳
init: {
FilesAdded: function(up, files) { //文件上傳前
if ($("#ul_pics").children("li").length > 5) {
alert("您上傳的圖片太多了!");
uploader.destroy();
} else {
var li = '';
plupload.each(files, function(file) { //遍歷文件
li += "<li id='" + file['id'] + "'><div class='progress'><span class='bar'></span><span class='percent'>上傳中 0%</span></div></li>";
});
$("#ul_pics").append(li);
uploader.start();
}
},
UploadProgress: function(up, file) { //上傳中,顯示進度條
var percent = file.percent;
$("#" + file.id).find('.bar').css({"width": percent + "%"});
$("#" + file.id).find(".percent").text("上傳中 "+percent + "%");
},
FileUploaded: function(up, file, info) { //文件上傳成功的時候觸發
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) { //上傳出錯的時候觸發
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 代碼：PHP實戰
<?php
$typeArr = array("jpg", "png", "gif");//允許上傳文件格式
$path = "files/";//上傳路徑
if (isset($_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"=>"您還未選擇圖片"));
exit;
}
$type = strtolower(substr(strrchr($name, '.'), 1)); //獲取文件類型
if (!in_array($type, $typeArr)) {
echo json_encode(array("error"=>"清上傳jpg,png或gif類型的圖片!"));
exit;
}
if ($size > (1024 * 1024 * 10)) {
echo json_encode(array("error"=>"圖片大小已超過10MB!"));
exit;
}
$pic_name = time() . rand(10000, 99999) . "." . $type;//圖片名稱
$pic_url = $path . $pic_name;//上傳后圖片路徑+名稱
if (move_uploaded_file($name_tmp, $pic_url)) { //臨時文件轉移到目標文件夾
echo json_encode(array("error"=>"0","pic"=>$pic_url,"name"=>$pic_name));
} else {
echo json_encode(array("error"=>"上傳有誤,清檢查服務器配置!"));
}
}
if($_GET['get']=="delimg"){
$imgsrc = $_GET['imgurl'];
unlink($imgsrc);
echo 1;
}
}
以上就是本文的全部內容,希望對大家的學習有所幫助,也希望大家多多支持維易PHP.PHP實戰
