jquery php ajax多图片上传.上传进度,生成缩略图
本例用到其他2个php class.upload.php和 functions.php还有css和js以及img文件

- <script type="text/javascript">
- $(document).ready(function() {
- $("#filelist").niceScroll({
- cursorwidth: "8px",
- cursorborderradius: "0px",
- cursoropacitymin: 0.1,
- cursoropacitymax: 0.3
- });
- $(".side-pane").niceScroll({
- cursorwidth: "8px",
- cursorborderradius: "0px",
- cursoropacitymin: 0.1,
- cursoropacitymax: 0.3
- });
- $(".time").timeago();
- });
- </script>
- <script type="text/javascript">
- // <![CDATA[
- $('#upload_button').click(function() {
- $('.side-pane').html('');
- $('#upload_button').hide();
- $('#pickfiles').hide();
- $('#upload_info').show();
- $('#upload_info').css("display","inherit");
- uploader.start();
- $('#filelist').block({
- message: '<center><div class="start-message">Upload in Progress</div></center>',
- css: {
- border: 'none',
- backgroundColor: 'none'
- },
- overlayCSS: {
- backgroundColor: '#fff',
- opacity: '0',
- cursor: 'wait'
- }
- });
- });
- var uploader = new plupload.Uploader({
- runtimes : 'flash, html5',
- browse_button : 'pickfiles',
- container : 'uploader',
- max_file_size : '10mb',
- url : 'upload.php',
- flash_swf_url : 'uploader/uploader.swf',
- filters : [
- { title : "Image files", extensions : "jpg,jpeg,gif,png" }
- ]
- });
- uploader.bind('Init', function(up, params) {});
- uploader.init();
- uploader.bind('FilesAdded', function(up, files) {
- /*
- @@ Show / hide various elements
- */
- $('.upload-message').hide();
- $('.info-message').hide();
- $('#upload_button').show();
- $('#filelist_header').show();
- $.each(files, function(i, file) {
- $('#filelist').append(
- '<div id="' + file.id + '" class="filecontainer">' +
- '<div class="filename"> '+file.name + '</div>'+
- '<div class="filesize">' + plupload.formatSize(file.size) + '</div>'+
- '<div class="filestatus" id="status_'+file.id+'">0%</div>'+
- '<div class="filedel"><a id="remove_'+file.id+'" href="javascript:;"><img src="img/uploader/delete.gif" /></a></div>' +
- '</div>');
- $('#remove_'+file.id).click(function(e) {
- uploader.removeFile(file)
- $('#'+file.id).hide('slow', function() { ('#'+file.id).remove(); });
- });
- });
- up.refresh();
- $('#filelist').animate({scrollTop: $('#filelist').attr("scrollHeight")}, 1500);
- });
- uploader.bind('UploadProgress', function(up, file) {
- $('#status_' + file.id).html(file.percent + "%");
- if(file.percent == 100) {
- $('#' + file.id).block({
- message: '',
- css: {
- border: 'none',
- backgroundColor: 'none'
- },
- overlayCSS: {
- backgroundColor: '#fff',
- opacity: '0.7',
- cursor: 'wait'
- }
- });
- }
- $('#percent').width(uploader.total.percent+"%");
- $('#upRate').text(Math.ceil(uploader.total.bytesPerSec/1024)+" kb/sec");
- });
- uploader.bind('FileUploaded', function(up, file, response) {
- var input = $("#uploaded_photos");
- var data = response.response;
- var details = data.split(',');
- if(details[0] == 'success') {
- var photo_html = '<div class="padding-10 hm-photo clearfix"><a href="../upload/source/'+details[4]+'" target="_blank"><img src="../upload/small/'+details[4]+'"></a><p class="small-text light-text">'+details[1]+'</p><abbr class="time small-text" title="'+details[2]+'"></abbr></div>';
- input.val(input.val() + details[1] + ":");
- } else {
- var photo_html = '<div class="clearfix">'+details[1]+'</div>';
- }
- $('.side-pane').prepend(photo_html);
- $('.time').timeago();
- });
- uploader.bind('UploadComplete', function(up, files) {
- $('#upload_info').hide();
- $('#filelist').unblock({
- onUnblock: function () {
- $('#filelist_header').hide();
- $('#filelist').html('<div style="margin-top: 180px; text-align: center;"><strong>ok</strong><br/>All photos have been uploaded.</div>');
- }
- });
- });
- // ]]>
- </script>
上面2个js都放在index.php里面
- <div id="uploader" class="main-pane">
- <div id="filelist_header" class="clearfix">
- <div class="filename">Name</div>
- <div class="filesize">Size</div>
- <div class="filestatus">Status</div>
- <div class="filedel"></div>
- <div></div>
- </div>
- <div id="filelist"></div>
- <div class="action-btns">
- <a id="pickfiles" class="login-button btn">Select files to upload</a>
- <a href="javascript:;" id="upload_button" class="login-button upload hide">Upload</a>
- </div>
- <center>
- <div id="upload_info">
- <div id="upload_info_inner">
- <div class="progressbg">
- <div id="percent" class="progress"></div>
- </div>
- </div>
- <div id="unknown">
- <div id="time2go"></div>
- <div id="upRate"></div>
- </div>
- </div>
- </center>
- <form method="POST" action="process.php" id="processupload">
- <input type="hidden" name="uploaded_photos" id="uploaded_photos" />
- <input type="hidden" name="fkey" value="<?php echo $fkey; ?>" />
- </form>
- </div>
upload.php
- <?php
- /*
- @@ Including the functions.php for using the necessary functions.
- */
- include('functions.php');
- /*
- @@ This is the file upload class which does all the uploading work.
- */
- include('class.upload.php');
- if(isset($_FILES["file"])) {
- /*
- @@ Generating unique name for the photo.
- */
- $time = time();
- $rand_1 = rand(999, 999999);
- $rand_2 = rand(999999, 999999999);
- $rand_3 = rand();
- $unique_value = $time.'_'.$rand_1.'_'.$rand_2.'_'.$rand_3;
- /*
- @@ Folder creation for each and every day. This ensures performance even with millions of images.
- */
- $folder = date('zY');
- if(substr($folder, 0) == 0) {
- $folder = '367'.date('Y');
- }
- /*
- @@ This folder is for the source image files.
- */
- $pfolder = '../upload/source/';
- if(!is_dir($pfolder)) {
- mkdir($pfolder, 0755);
- }
- /*
- @@ This folder is for the image files with 120x120 dimensions.
- */
- $tfolder = '../upload/small/';
- if(!is_dir($tfolder)) {
- mkdir($tfolder, 0755);
- }
- /*
- @@ Assigning the upload file to the upload class for all the processing.
- */
- $handle = new Upload($_FILES["file"]);
- if($handle->uploaded) {
- $extension = $handle->file_src_name_ext;
- $mime = $handle->file_src_mime;
- if(($mime == 'image/gif') || ($mime == 'image/jpg') || ($mime == 'image/png') || ($mime == 'image/bmp') || ($mime == 'image/pjpeg') | ($mime == 'image/jpeg')) {
- /*
- @@ Check if the uploaded filetype is an image or not.
- */
- if(($extension == 'gif') || ($extension == 'jpg') || ($extension == 'jpeg') || ($extension == 'png') || ($extension == 'bmp') || ($extension == 'pjpeg')) {
- if($handle->image_src_x > 500) {
- /*
- @@ Check if the filesize is smaller than 10 MB. 10 MB = 10485760 bytes.
- */
- if($handle->file_src_size < 10485760) {
- /*
- @@ Getting the actual file name (with and without extension) and sanitizing it for inserting in the database.
- */
- $real_name = clean_input($handle->file_src_name);
- $body_name = clean_input($handle->file_src_name_body);
- $handle->file_new_name_body = $unique_value.'_'.$body_name;
- $handle->Process($pfolder);
- $handle->image_resize = true;
- $handle->image_ratio_crop = 'T';
- $handle->image_y = 120;
- $handle->image_x = 120;
- $handle->file_new_name_body = $unique_value.'_'.$body_name;
- $handle->Process($tfolder);
- if($handle->processed) {
- $actual_name = $handle->file_dst_name;
- $size = ceil($handle->file_src_size / 1024);
- ## Sending photo details back to the uploader.
- $date = date("c", $time);
- ## Reducing the length of real name if it exceeds 50 characters.
- if(strlen($real_name) > 50) {
- $real_name = substr($real_name, 0, 50).'..';
- }
- echo 'success,'.$real_name.','.$date.','.$folder.','.$actual_name;
- } else {
- echo 'error,<div class="alert alert-error"><strong>Upload Error</strong><br/>There was an error uploading the photo.</div>';
- }
- } else {
- echo 'error,<div class="alert alert-error"><strong>Upload Error</strong><br/>The photo is bigger than the allowed upload size of <strong>10MB</strong>.</div>';
- }
- } else {
- echo 'error,<div class="alert alert-error"><strong>Upload Error</strong><br/>You are trying to upload a photo with smaller dimensions.</div>';
- }
- } else {
- echo 'error,<div class="alert alert-error"><strong>Upload Error</strong><br/>Only photo uploads are allowed.</div>';
- }
- } else {
- echo 'error,<div class="alert alert-error"><strong>Upload Error</strong><br/>Only photo uploads are allowed.</div>';
- }
- } else {
- echo 'error,<div class="alert alert-error"><strong>Upload Error</strong><br/>An upload error occured.</div>';
- }
- /*
- @@ Return the json response to the script.
- */
- $handle->Clean();
- } else {
- echo 'error,<div class="alert alert-error"><strong>Upload Error</strong><br/>An upload error occured.</div>';
- }
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