TP5用webuploader实现图片上传
【摘要】
PHP模板解析路径问题
首先，配置文件添加代码 位置：application/config.php
return [ 'admin' => '/static/admin',],
其次，php中读取配置文件
$admin = config('admin');或者$admin = config("view_replace...
PHP模板解析路径问题
首先，配置文件添加代码
位置：application/config.php
-
return [
-
'admin' => '/static/admin',
-
],
其次，php中读取配置文件
-
$admin = config('admin');
-
或者
-
$admin = config("view_replace_str.__ADMIN__"); //重点推荐
-
<script src="$admin/plugins/webuploader-0.1.5/webuploader.min.js"></script>
整合TP5
1、引入CSS文件
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<link href="__ADMIN__/plugins/webuploader-0.1.5/webuploader.css" rel="stylesheet">
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<script src="__ADMIN__/plugins/webuploader-0.1.5/webuploader.min.js"></script>
2、初始化
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$(document).ready(function(){
-
-
// Bootstrap fileinput插件初始化
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$('#file-zh').fileinput({
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language: 'zh',
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uploadUrl: '#',
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allowedFileExtensions: ['jpg', 'png', 'gif'],
-
});
-
-
// 初始化Web Uploader
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uploader = WebUploader.create({
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pick: {
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id: '#filePicker-2',
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label: '点击选择图片'
-
},
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formData: {
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uid: 123
-
},
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dnd: '#dndArea',
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paste: '#uploader',
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swf: '__ADMIN__/plugins/webuploader-0.1.5/Uploader.swf',
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chunked: false,
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chunkSize: 512 * 1024,
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server: 'http://webuploader.duapp.com/server/fileupload.php',
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// runtimeOrder: 'flash',
-
-
accept: {
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title: 'Images',
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extensions: 'gif,jpg,jpeg,bmp,png',
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mimeTypes: 'image/*'
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},
-
-
// 禁掉全局的拖拽功能。这样不会出现图片拖进页面的时候，把图片打开。
-
disableGlobalDnd: true,
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fileNumLimit: 300,
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fileSizeLimit: 200 * 1024 * 1024, // 200 M
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fileSingleSizeLimit: 50 * 1024 * 1024 // 50 M
-
});
-
-
});
3、修改common.php
位置：\application\admin\common.php
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function images($fieldinfo){
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//字段名
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$field = $fieldinfo['field'];
-
-
$str = <<<EOF
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<div class="uploader-list-container">
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<div class="queueList">
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<div id="dndArea" class="placeholder">
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<div id="filePicker-2"></div>
-
<p>或将图片拖到这里，单次最多可选10张</p>
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</div>
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</div>
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<div class="statusBar" style="display:none;">
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<div class="progress"> <span class="text">0%</span> <span class="percentage"></span> </div>
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<div class="info"></div>
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<div class="btns">
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<div id="filePicker2"></div>
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<div class="uploadBtn">开始上传</div>
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</div>
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</div>
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</div>
-
-
<script src="$admin/plugins/webuploader-0.1.5/webuploader.min.js"></script>
-
-
-
EOF;
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return $str;
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}
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4、控制器
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//多图片或多文件上传
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public function upload_images(){
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$file = request()->file('file');
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$info = $file->move(ROOT_PATH . 'public/uploads');
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if($info) {
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return json_encode($info->getSaveName());
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}
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}
5、上传限制（图片个数和类型）
首先，图片个数
$maxnumber = $setting['maxnumber'];
有两个地方需要设置
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<div class="queueList">
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<div id="dndArea" class="placeholder">
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<div id="filePicker-2"></div>
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<p>或将图片拖到这里，单次最多可选 $maxnumber 张</p>
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</div>
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</div>
-
-
// 实例化
-
uploader = WebUploader.create({
-
-
// 禁掉全局的拖拽功能。这样不会出现图片拖进页面的时候，把图片打开。
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disableGlobalDnd: true,
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fileNumLimit: $maxnumber,
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fileSizeLimit: 200 * 1024 * 1024, // 200 M
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fileSingleSizeLimit: 50 * 1024 * 1024 // 50 M
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});
-
-
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//上传成功返回文件名
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uploader.on('uploadSuccess', function(file,response){
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alert(response);
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});
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// 上传错误提示
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uploader.onError = function( code ) {
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if(code == "Q_EXCEED_NUM_LIMIT") {
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layer.alert("只能上传 $maxnumber 张图片");
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} else if(code == "F_DUPLICATE") {
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layer.alert("重复上传");
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} else {
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layer.alert("错误代码：" + code);
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}
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};
其次，图片类型
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$allowext = $setting['allowext'];
-
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// 实例化
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uploader = WebUploader.create({
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pick: {
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id: '#filePicker-2',
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label: '点击选择图片'
-
},
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formData: {
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uid: 123
-
},
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dnd: '#dndArea',
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paste: '#uploader',
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swf: '$admin/plugins/webuploader-0.1.5/Uploader.swf',
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chunked: false,
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chunkSize: 512 * 1024,
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server: '$url',
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// runtimeOrder: 'flash',
-
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accept: {
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title: 'Images',
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extensions: '$allowext',
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mimeTypes: 'image/*'
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},
-
-
// 禁掉全局的拖拽功能。这样不会出现图片拖进页面的时候，把图片打开。
-
disableGlobalDnd: true,
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fileNumLimit: $maxnumber,
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fileSizeLimit: 200 * 1024 * 1024, // 200 M
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fileSingleSizeLimit: 50 * 1024 * 1024 // 50 M
-
});
6、保存到数据库
思路：异步发送到控制器，控制器上传成功，则返回文件名；前端添加隐藏表单，把这个文件名作为属性隐藏起来；统一提交到数据库保存
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<input type="hidden" id="info_$field" name="info[$field]" class="input-large form-control">
-
-
//上传成功返回文件名
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uploader.on('uploadSuccess', function(file,response){
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var images_value = $('#info_$field').val()=='' ? '' : $('#info_$field').val() + ',';
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$('#info_$field').val( images_value + response);
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});
完善WebUploader相关功能
（一）图片上传成功显示删除按钮
思路：修改common.php
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file.on('statuschange', function( cur, prev ) {
-
-
if ( prev === 'progress' ) {
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prgress.hide().width(0);
-
} else if ( prev === 'queued' ) {
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//li.off( 'mouseenter mouseleave' ); //解除事件监听
-
//btns.remove();
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li.find( 'span.rotateLeft' ).remove(); //移除左旋转按钮
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li.find( 'span.rotateRight' ).remove(); //移除右旋转按钮
-
}
-
});
（二）执行删除操作
思路：把上传成功的图片路径赋值给图片
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$delete_url = url('delete_file');
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var img_src = li.attr('studyfox_img');
-
-
// 负责view的销毁
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function removeFile( file ) {
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var li = $('#'+file.id);
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var img_src = li.attr('studyfox_img');
-
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delete percentages[ file.id ];
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updateTotalProgress();
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li.off().find('.file-panel').off().end().remove();
-
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//后台删除图片
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$.ajax({
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url: '$delete_url',
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type: 'POST',
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data: {'img': img_src},
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success: function(result, textStatus){
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alert(textStatus);
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alert(result);
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}
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});
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}
上传成功返回文件名
-
uploader.on('uploadSuccess', function(file,response){
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var images_value = $('#info_$field').val()=='' ? '' : $('#info_$field').val() + ',';
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$('#info_$field').val( images_value + response);
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//在当前图片LI里添加图片地址
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$('#'+file.id).attr('studyfox_img',response);
-
});
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//删除文件或图片
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public function delete_file(){
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$delete_url = input('img');
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try {
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unlink(ROOT_PATH . 'public/uploads/' . $delete_url); //删除成功返回1
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} catch (Exception $e) { }
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}
完整代码
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function images($fieldinfo){
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//字段名
-
$field = $fieldinfo['field'];
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$url = url('upload_images');
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$delete_url = url('delete_file');
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//反序列化设置项
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$setting = unserialize($fieldinfo['setting']);
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$allowext = $setting['allowext'];
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$maxnumber = $setting['maxnumber'];
-
-
$str = <<<EOF
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<input type="hidden" id="info_$field" name="info[$field]" class="input-large form-control">
-
<div class="uploader-list-container">
-
<div class="queueList">
-
<div id="dndArea" class="placeholder">
-
<div id="filePicker-2"></div>
-
<p>或将图片拖到这里，单次最多可选 $maxnumber 张</p>
-
</div>
-
</div>
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<div class="statusBar" style="display:none;">
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<div class="progress"> <span class="text">0%</span> <span class="percentage"></span> </div>
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<div class="info"></div>
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<div class="btns">
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<div id="filePicker2"></div>
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<div class="uploadBtn">开始上传</div>
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</div>
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</div>
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</div>
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<script src="__ADMIN__/plugins/webuploader-0.1.5/webuploader.min.js"></script>
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<script type="text/javascript" >
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(function( $ ){
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// 当domReady的时候开始初始化
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$(function() {
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var wrap = $('.uploader-list-container'),
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// 图片容器
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queue = $( '<ul class="filelist"></ul>' )
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.appendTo( wrap.find( '.queueList' ) ),
-
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// 状态栏，包括进度和控制按钮
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statusBar = wrap.find( '.statusBar' ),
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// 文件总体选择信息。
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info = statusBar.find( '.info' ),
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// 上传按钮
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upload = wrap.find( '.uploadBtn' ),
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// 没选择文件之前的内容。
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placeHolder = wrap.find( '.placeholder' ),
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progress = statusBar.find( '.progress' ).hide(),
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// 添加的文件数量
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fileCount = 0,
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// 添加的文件总大小
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fileSize = 0,
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// 优化retina, 在retina下这个值是2
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ratio = window.devicePixelRatio || 1,
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// 缩略图大小
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thumbnailWidth = 110 * ratio,
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thumbnailHeight = 110 * ratio,
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// 可能有pedding, ready, uploading, confirm, done.
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state = 'pedding',
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// 所有文件的进度信息，key为file id
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percentages = {},
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// 判断浏览器是否支持图片的base64
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isSupportBase64 = ( function() {
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var data = new Image();
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var support = true;
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data.onload = data.onerror = function() {
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if( this.width != 1 || this.height != 1 ) {
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support = false;
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}
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}
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data.src = "data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///ywAAAAAAQABAAACAUwAOw==";
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return support;
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} )(),
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// 检测是否已经安装flash，检测flash的版本
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flashVersion = ( function() {
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var version;
-
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try {
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version = navigator.plugins[ 'Shockwave Flash' ];
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version = version.description;
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} catch ( ex ) {
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try {
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version = new ActiveXObject('ShockwaveFlash.ShockwaveFlash')
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.GetVariable('version');
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} catch ( ex2 ) {
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version = '0.0';
-
}
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}
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version = version.match( /\d+/g );
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return parseFloat( version[ 0 ] + '.' + version[ 1 ], 10 );
-
} )(),
-
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supportTransition = (function(){
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var s = document.createElement('p').style,
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r = 'transition' in s ||
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'WebkitTransition' in s ||
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'MozTransition' in s ||
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'msTransition' in s ||
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'OTransition' in s;
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s = null;
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return r;
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})(),
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// WebUploader实例
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uploader;
-
-
// 实例化
-
uploader = WebUploader.create({
-
pick: {
-
id: '#filePicker-2',
-
label: '点击选择图片'
-
},
-
formData: {
-
uid: 123
-
},
-
dnd: '#dndArea',
-
paste: '#uploader',
-
swf: '__ADMIN__/plugins/webuploader-0.1.5/Uploader.swf',
-
chunked: false,
-
chunkSize: 512 * 1024,
-
server: '$url',
-
// runtimeOrder: 'flash',
-
-
accept: {
-
title: 'Images',
-
extensions: '$allowext',
-
mimeTypes: 'image/*'
-
},
-
-
// 禁掉全局的拖拽功能。这样不会出现图片拖进页面的时候，把图片打开。
-
disableGlobalDnd: true,
-
fileNumLimit: $maxnumber,
-
fileSizeLimit: 200 * 1024 * 1024, // 200 M
-
fileSingleSizeLimit: 50 * 1024 * 1024 // 50 M
-
});
-
-
// 拖拽时不接受 js, txt 文件。
-
uploader.on( 'dndAccept', function( items ) {
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var denied = false,
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len = items.length,
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i = 0,
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// 修改js类型
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unAllowed = 'text/plain;application/javascript ';
-
-
for ( ; i < len; i++ ) {
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// 如果在列表里面
-
if ( ~unAllowed.indexOf( items[ i ].type ) ) {
-
denied = true;
-
break;
-
}
-
}
-
-
return !denied;
-
});
-
-
uploader.on('dialogOpen', function() {
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console.log('here');
-
});
-
-
// uploader.on('filesQueued', function() {
-
// uploader.sort(function( a, b ) {
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// if ( a.name < b.name )
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// return -1;
-
// if ( a.name > b.name )
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// return 1;
-
// return 0;
-
// });
-
// });
-
-
// 添加“添加文件”的按钮，
-
uploader.addButton({
-
id: '#filePicker2',
-
label: '继续添加'
-
});
-
-
uploader.on('ready', function() {
-
window.uploader = uploader;
-
});
-
-
// 当有文件添加进来时执行，负责view的创建
-
function addFile( file ) {
-
var li = $( '<li id="' + file.id + '">' +
-
'<p class="title">' + file.name + '</p>' +
-
'<p class="imgWrap"></p>'+
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'<p class="progress"><span></span></p>' +
-
'</li>' ),
-
-
btns = $('<div class="file-panel">' +
-
'<span class="cancel">删除</span>' +
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'<span class="rotateRight">向右旋转</span>' +
-
'<span class="rotateLeft">向左旋转</span></div>').appendTo( li ),
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prgress = li.find('p.progress span'),
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wrap = li.find( 'p.imgWrap' ),
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info = $('<p class="error"></p>'),
-
-
showError = function( code ) {
-
switch( code ) {
-
case 'exceed_size':
-
text = '文件大小超出';
-
break;
-
-
case 'interrupt':
-
text = '上传暂停';
-
break;
-
-
default:
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text = '上传失败，请重试';
-
break;
-
}
-
-
info.text( text ).appendTo( li );
-
};
-
-
if ( file.getStatus() === 'invalid' ) {
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showError( file.statusText );
-
} else {
-
// @todo lazyload
-
wrap.text( '预览中' );
-
uploader.makeThumb( file, function( error, src ) {
-
var img;
-
-
if ( error ) {
-
wrap.text( '不能预览' );
-
return;
-
}
-
-
if( isSupportBase64 ) {
-
img = $('<img src="'+src+'">');
-
wrap.empty().append( img );
-
} else {
-
$.ajax('../server/preview.php', {
-
method: 'POST',
-
data: src,
-
dataType:'json'
-
}).done(function( response ) {
-
if (response.result) {
-
img = $('<img src="'+response.result+'">');
-
wrap.empty().append( img );
-
} else {
-
wrap.text("预览出错");
-
}
-
});
-
}
-
}, thumbnailWidth, thumbnailHeight );
-
-
percentages[ file.id ] = [ file.size, 0 ];
-
file.rotation = 0;
-
}
-
-
file.on('statuschange', function( cur, prev ) {
-
if ( prev === 'progress' ) {
-
prgress.hide().width(0);
-
} else if ( prev === 'queued' ) {
-
//li.off( 'mouseenter mouseleave' ); //解除事件监听
-
//btns.remove();
-
li.find( 'span.rotateLeft' ).remove(); //移除左旋转按钮
-
li.find( 'span.rotateRight' ).remove(); //移除右旋转按钮
-
}
-
-
// 成功
-
if ( cur === 'error' || cur === 'invalid' ) {
-
console.log( file.statusText );
-
showError( file.statusText );
-
percentages[ file.id ][ 1 ] = 1;
-
} else if ( cur === 'interrupt' ) {
-
showError( 'interrupt' );
-
} else if ( cur === 'queued' ) {
-
percentages[ file.id ][ 1 ] = 0;
-
} else if ( cur === 'progress' ) {
-
info.remove();
-
prgress.css('display', 'block');
-
} else if ( cur === 'complete' ) {
-
li.append( '<span class="success"></span>' );
-
}
-
-
li.removeClass( 'state-' + prev ).addClass( 'state-' + cur );
-
});
-
-
li.on( 'mouseenter', function() {
-
btns.stop().animate({height: 30});
-
});
-
-
li.on( 'mouseleave', function() {
-
btns.stop().animate({height: 0});
-
});
-
-
btns.on( 'click', 'span', function() {
-
var index = $(this).index(),
-
deg;
-
-
switch ( index ) {
-
case 0:
-
uploader.removeFile( file );
-
return;
-
-
case 1:
-
file.rotation += 90;
-
break;
-
-
case 2:
-
file.rotation -= 90;
-
break;
-
}
-
-
if ( supportTransition ) {
-
deg = 'rotate(' + file.rotation + 'deg)';
-
wrap.css({
-
'-webkit-transform': deg,
-
'-mos-transform': deg,
-
'-o-transform': deg,
-
'transform': deg
-
});
-
} else {
-
wrap.css( 'filter', 'progid:DXImageTransform.Microsoft.BasicImage(rotation='+ (~~((file.rotation/90)%4 + 4)%4) +')');
-
// use jquery animate to rotation
-
// $({
-
// rotation: rotation
-
// }).animate({
-
// rotation: file.rotation
-
// }, {
-
// easing: 'linear',
-
// step: function( now ) {
-
// now = now * Math.PI / 180;
-
-
// var cos = Math.cos( now ),
-
// sin = Math.sin( now );
-
-
// $wrap.css( 'filter', "progid:DXImageTransform.Microsoft.Matrix(M11=" + cos + ",M12=" + (-sin) + ",M21=" + sin + ",M22=" + cos + ",SizingMethod='auto expand')");
-
// }
-
// });
-
}
-
-
-
});
-
-
li.appendTo( queue );
-
}
-
-
// 负责view的销毁
-
function removeFile( file ) {
-
var li = $('#'+file.id);
-
var img_src = li.attr('studyfox_img');
-
-
delete percentages[ file.id ];
-
updateTotalProgress();
-
li.off().find('.file-panel').off().end().remove();
-
-
//后台删除图片
-
$.ajax({
-
url: '$delete_url',
-
type: 'POST',
-
data: {'img': img_src},
-
success: function(result, textStatus){
-
//图片删除成功后移除文本框图片信息，三种情况 ,号位置在前 后 或没有,号
-
var images_value = $('#info_$field').val();//隐藏文本框的值
-
images_value = images_value.replace(img_src+',', ''); //替换,号在右边
-
images_value = images_value.replace(','+img_src, ''); //替换,号在左边
-
images_value = images_value.replace(img_src, ''); //直接替换
-
//重新赋值
-
$('#info_$field').val(images_value);
-
},
-
error: function(XMLHttpRequest, textStatus){
-
layer.alert('删除失败!', {icon:2});
-
}
-
});
-
}
-
-
//上传成功返回文件名
-
uploader.on('uploadSuccess', function(file,response){
-
var images_value = $('#info_$field').val()=='' ? '' : $('#info_$field').val() + ',';
-
$('#info_$field').val( images_value + response);
-
//在当前图片LI里添加图片地址
-
$('#'+file.id).attr('studyfox_img',response);
-
});
-
-
function updateTotalProgress() {
-
var loaded = 0,
-
total = 0,
-
spans = progress.children(),
-
percent;
-
-
$.each( percentages, function( k, v ) {
-
total += v[ 0 ];
-
loaded += v[ 0 ] * v[ 1 ];
-
} );
-
-
percent = total ? loaded / total : 0;
-
-
-
spans.eq( 0 ).text( Math.round( percent * 100 ) + '%' );
-
spans.eq( 1 ).css( 'width', Math.round( percent * 100 ) + '%' );
-
updateStatus();
-
}
-
-
function updateStatus() {
-
var text = '', stats;
-
-
if ( state === 'ready' ) {
-
text = '选中' + fileCount + '张图片，共' +
-
WebUploader.formatSize( fileSize ) + '。';
-
} else if ( state === 'confirm' ) {
-
stats = uploader.getStats();
-
if ( stats.uploadFailNum ) {
-
text = '已成功上传' + stats.successNum+ '张图片至服务器，'+
-
stats.uploadFailNum + '张图片上传失败，<a class="retry" href="#">重新上传</a>失败图片或<a class="ignore" href="#">忽略</a>'
-
}
-
-
} else {
-
stats = uploader.getStats();
-
text = '共' + fileCount + '张（' +
-
WebUploader.formatSize( fileSize ) +
-
'），已上传' + stats.successNum + '张';
-
-
if ( stats.uploadFailNum ) {
-
text += '，失败' + stats.uploadFailNum + '张';
-
}
-
}
-
-
info.html( text );
-
}
-
-
function setState( val ) {
-
var file, stats;
-
-
if ( val === state ) {
-
return;
-
}
-
-
upload.removeClass( 'state-' + state );
-
upload.addClass( 'state-' + val );
-
state = val;
-
-
switch ( state ) {
-
case 'pedding':
-
placeHolder.removeClass( 'element-invisible' );
-
queue.hide();
-
statusBar.addClass( 'element-invisible' );
-
uploader.refresh();
-
break;
-
-
case 'ready':
-
placeHolder.addClass( 'element-invisible' );
-
$( '#filePicker2' ).removeClass( 'element-invisible');
-
queue.show();
-
statusBar.removeClass('element-invisible');
-
uploader.refresh();
-
break;
-
-
case 'uploading':
-
$( '#filePicker2' ).addClass( 'element-invisible' );
-
progress.show();
-
upload.text( '暂停上传' );
-
break;
-
-
case 'paused':
-
progress.show();
-
upload.text( '继续上传' );
-
break;
-
-
case 'confirm':
-
progress.hide();
-
$( '#filePicker2' ).removeClass( 'element-invisible' );
-
upload.text( '开始上传' );
-
-
stats = uploader.getStats();
-
if ( stats.successNum && !stats.uploadFailNum ) {
-
setState( 'finish' );
-
return;
-
}
-
break;
-
case 'finish':
-
stats = uploader.getStats();
-
if ( stats.successNum ) {
-
layer.alert( '上传成功' );
-
} else {
-
// 没有成功的图片，重设
-
state = 'done';
-
location.reload();
-
}
-
break;
-
}
-
-
updateStatus();
-
}
-
-
uploader.onUploadProgress = function( file, percentage ) {
-
var li = $('#'+file.id),
-
percent = li.find('.progress span');
-
-
percent.css( 'width', percentage * 100 + '%' );
-
percentages[ file.id ][ 1 ] = percentage;
-
updateTotalProgress();
-
};
-
-
uploader.onFileQueued = function( file ) {
-
fileCount++;
-
fileSize += file.size;
-
-
if ( fileCount === 1 ) {
-
placeHolder.addClass( 'element-invisible' );
-
statusBar.show();
-
}
-
-
addFile( file );
-
setState( 'ready' );
-
updateTotalProgress();
-
};
-
-
uploader.onFileDequeued = function( file ) {
-
fileCount--;
-
fileSize -= file.size;
-
-
if ( !fileCount ) {
-
setState( 'pedding' );
-
}
-
-
removeFile( file );
-
updateTotalProgress();
-
-
};
-
-
uploader.on( 'all', function( type ) {
-
var stats;
-
switch( type ) {
-
case 'uploadFinished':
-
setState( 'confirm' );
-
break;
-
-
case 'startUpload':
-
setState( 'uploading' );
-
break;
-
-
case 'stopUpload':
-
setState( 'paused' );
-
break;
-
-
}
-
});
-
-
uploader.onError = function( code ) {
-
if(code == "Q_EXCEED_NUM_LIMIT") {
-
layer.alert("只能上传 $maxnumber 张图片");
-
} else if(code == "F_DUPLICATE") {
-
layer.alert("重复上传");
-
} else {
-
layer.alert("错误代码：" + code);
-
}
-
};
-
-
upload.on('click', function() {
-
if ( $(this).hasClass( 'disabled' ) ) {
-
return false;
-
}
-
-
if ( state === 'ready' ) {
-
uploader.upload();
-
} else if ( state === 'paused' ) {
-
uploader.upload();
-
} else if ( state === 'uploading' ) {
-
uploader.stop();
-
}
-
});
-
-
info.on( 'click', '.retry', function() {
-
uploader.retry();
-
} );
-
-
info.on( 'click', '.ignore', function() {
-
alert( 'todo' );
-
} );
-
-
upload.addClass( 'state-' + state );
-
updateTotalProgress();
-
});
-
-
})( jQuery );
-
</script>
-
-
-
EOF;
-
return $str;
-
}
文章来源: markwcm.blog.csdn.net，作者：黄啊码，版权归原作者所有，如需转载，请联系作者。
原文链接：markwcm.blog.csdn.net/article/details/106382112
【版权声明】本文为华为云社区用户转载文章，如果您发现本社区中有涉嫌抄袭的内容，欢迎发送邮件进行举报，并提供相关证据，一经查实，本社区将立刻删除涉嫌侵权内容，举报邮箱：
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