jQuery Dropzone.js 可拖拉文件异步上传控件（可限制文件类型）

dropzone.js example with restriction, 并带有资源管理功能。该插件是对uploadify（基于flash）插件的html5版的替代，使用html5 FormData接口来实现。可以实现异步页面无刷新上传（即无需真实提交页面表单）。

jquery, upload, FormData

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HTML
CSS
JavaScript
Result

编译

JavaScript

$(function() {
    Dropzone.options.myAwesomeDropzone = {
        maxFilesize: 5,
        addRemoveLinks: true,
        dictResponseError: 'Server not Configured',
        acceptedFiles: ".png,.jpg,.gif,.bmp,.jpeg",
        init: function() {
            var self = this;
            // config
            self.options.addRemoveLinks = true;
            self.options.dictRemoveFile = "Delete";
            //New file added
            self.on("addedfile", function(file) {
                console.log('new file added ', file);
            });
            // Send file starts
            self.on("sending", function(file) {
                console.log('upload started', file);
                $('.meter').show();
            });

// File upload Progress
            self.on("totaluploadprogress", function(progress) {
                console.log("progress ", progress);
                $('.roller').width(progress + '%');
            });

self.on("queuecomplete", function(progress) {
                $('.meter').delay(999).slideUp(999);
            });

// On removing file
            self.on("removedfile", function(file) {
                console.log(file);
            });
        }
    };
})

编译

CSS

/* The MIT License */

.dropzone,
.dropzone *,
.dropzone-previews,
.dropzone-previews * {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.dropzone {
    position: relative;
    border: 1px solid rgba(0, 0, 0, 0.08);
    background: rgba(255, 0, 0, 0.2);
    padding: 1em;
}
.dropzone.dz-clickable {
    cursor: pointer;
}
.dropzone.dz-clickable .dz-message,
.dropzone.dz-clickable .dz-message span {
    cursor: pointer;
}
.dropzone.dz-clickable * {
    cursor: default;
}
.dropzone .dz-message {
    opacity: 1;
    -ms-filter: none;
    filter: none;
}
.dropzone.dz-drag-hover {
    border-color: rgba(0, 0, 0, 0.15);
    background: rgba(0, 0, 0, 0.04);
}
.dropzone.dz-started .dz-message {
    display: none;
}
.dropzone .dz-preview,
.dropzone-previews .dz-preview {
    background: rgba(255, 255, 255, 0.8);
    position: relative;
    display: inline-block;
    margin: 17px;
    vertical-align: top;
    border: 1px solid #acacac;
    padding: 6px 6px 6px 6px;
}
.dropzone .dz-preview.dz-file-preview [data-dz-thumbnail],
.dropzone-previews .dz-preview.dz-file-preview [data-dz-thumbnail] {
    display: none;
}
.dropzone .dz-preview .dz-details,
.dropzone-previews .dz-preview .dz-details {
    width: 100px;
    height: 100px;
    position: relative;
    background: #ebebeb;
    padding: 5px;
    margin-bottom: 22px;
}
.dropzone .dz-preview .dz-details .dz-filename,
.dropzone-previews .dz-preview .dz-details .dz-filename {
    overflow: hidden;
    height: 100%;
}
.dropzone .dz-preview .dz-details img,
.dropzone-previews .dz-preview .dz-details img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100px;
    height: 100px;
}
.dropzone .dz-preview .dz-details .dz-size,
.dropzone-previews .dz-preview .dz-details .dz-size {
    position: absolute;
    bottom: -28px;
    left: 3px;
    height: 28px;
    line-height: 28px;
}
.dropzone .dz-preview.dz-error .dz-error-mark,
.dropzone-previews .dz-preview.dz-error .dz-error-mark {
    display: block;
}
.dropzone .dz-preview.dz-success .dz-success-mark,
.dropzone-previews .dz-preview.dz-success .dz-success-mark {
    display: block;
}
.dropzone .dz-preview:hover .dz-details img,
.dropzone-previews .dz-preview:hover .dz-details img {
    display: none;
}
.dropzone .dz-preview .dz-success-mark,
.dropzone-previews .dz-preview .dz-success-mark,
.dropzone .dz-preview .dz-error-mark,
.dropzone-previews .dz-preview .dz-error-mark {
    display: none;
    position: absolute;
    width: 40px;
    height: 40px;
    font-size: 30px;
    text-align: center;
    right: -10px;
    top: -10px;
}
.dropzone .dz-preview .dz-success-mark,
.dropzone-previews .dz-preview .dz-success-mark {
    color: #8cc657;
}
.dropzone .dz-preview .dz-error-mark,
.dropzone-previews .dz-preview .dz-error-mark {
    color: #ee162d;
}
.dropzone .dz-preview .dz-progress,
.dropzone-previews .dz-preview .dz-progress {
    position: absolute;
    top: 100px;
    left: 6px;
    right: 6px;
    height: 6px;
    background: #d7d7d7;
    display: none;
}
.dropzone .dz-preview .dz-progress .dz-upload,
.dropzone-previews .dz-preview .dz-progress .dz-upload {
    display: block;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 0%;
    background-color: #8cc657;
}
.dropzone .dz-preview.dz-processing .dz-progress,
.dropzone-previews .dz-preview.dz-processing .dz-progress {
    display: block;
}
.dropzone .dz-preview .dz-error-message,
.dropzone-previews .dz-preview .dz-error-message {
    display: none;
    position: absolute;
    top: -5px;
    left: -20px;
    background: rgba(245, 245, 245, 0.8);
    padding: 8px 10px;
    color: #800;
    min-width: 140px;
    max-width: 500px;
    z-index: 500;
}
.dropzone .dz-preview:hover.dz-error .dz-error-message,
.dropzone-previews .dz-preview:hover.dz-error .dz-error-message {
    display: block;
}
.dropzone {
    border: 1px solid rgba(0, 0, 0, 0.03);
    min-height: 360px;
    -webkit-border-radius: 3px;
    border-radius: 3px;
    background: rgba(0, 0, 0, 0.03);
    padding: 23px;
}
.dropzone .dz-default.dz-message {
    opacity: 1;
    -ms-filter: none;
    filter: none;
    -webkit-transition: opacity 0.3s ease-in-out;
    -moz-transition: opacity 0.3s ease-in-out;
    -o-transition: opacity 0.3s ease-in-out;
    -ms-transition: opacity 0.3s ease-in-out;
    transition: opacity 0.3s ease-in-out;
    background-repeat: no-repeat;
    background-position: 0 0;
    position: absolute;
    width: 428px;
    height: 123px;
    margin-left: -214px;
    margin-top: -61.5px;
    top: 50%;
    left: 50%;
}
@media all and (-webkit-min-device-pixel-ratio: 1.5),
(min--moz-device-pixel-ratio: 1.5),
(-o-min-device-pixel-ratio: 1.5/1),
(min-device-pixel-ratio: 1.5),
(min-resolution: 138dpi),
(min-resolution: 1.5dppx) {
    .dropzone .dz-default.dz-message {
        -webkit-background-size: 428px 406px;
        -moz-background-size: 428px 406px;
        background-size: 428px 406px;
    }
}
.dropzone .dz-default.dz-message span {
    display: none;
}
.dropzone.dz-square .dz-default.dz-message {
    background-position: 0 -123px;
    width: 268px;
    margin-left: -134px;
    height: 174px;
    margin-top: -87px;
}
.dropzone.dz-drag-hover .dz-message {
    opacity: 0.15;
    -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=15)";
    filter: alpha(opacity=15);
}
.dropzone.dz-started .dz-message {
    display: block;
    opacity: 0;
    -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";
    filter: alpha(opacity=0);
}
.dropzone .dz-preview,
.dropzone-previews .dz-preview {
    -webkit-box-shadow: 1px 1px 4px rgba(0, 0, 0, 0.16);
    box-shadow: 1px 1px 4px rgba(0, 0, 0, 0.16);
    font-size: 14px;
}
.dropzone .dz-preview.dz-image-preview:hover .dz-details img,
.dropzone-previews .dz-preview.dz-image-preview:hover .dz-details img {
    display: block;
    opacity: 0.1;
    -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=10)";
    filter: alpha(opacity=10);
}
.dropzone .dz-preview.dz-success .dz-success-mark,
.dropzone-previews .dz-preview.dz-success .dz-success-mark {
    opacity: 1;
    -ms-filter: none;
    filter: none;
}
.dropzone .dz-preview.dz-error .dz-error-mark,
.dropzone-previews .dz-preview.dz-error .dz-error-mark {
    opacity: 1;
    -ms-filter: none;
    filter: none;
}
.dropzone .dz-preview.dz-error .dz-progress .dz-upload,
.dropzone-previews .dz-preview.dz-error .dz-progress .dz-upload {
    background: #ee1e2d;
}
.dropzone .dz-preview .dz-error-mark,
.dropzone-previews .dz-preview .dz-error-mark,
.dropzone .dz-preview .dz-success-mark,
.dropzone-previews .dz-preview .dz-success-mark {
    display: block;
    opacity: 0;
    -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";
    filter: alpha(opacity=0);
    -webkit-transition: opacity 0.4s ease-in-out;
    -moz-transition: opacity 0.4s ease-in-out;
    -o-transition: opacity 0.4s ease-in-out;
    -ms-transition: opacity 0.4s ease-in-out;
    transition: opacity 0.4s ease-in-out;
    background-repeat: no-repeat;
}
@media all and (-webkit-min-device-pixel-ratio: 1.5),
(min--moz-device-pixel-ratio: 1.5),
(-o-min-device-pixel-ratio: 1.5/1),
(min-device-pixel-ratio: 1.5),
(min-resolution: 138dpi),
(min-resolution: 1.5dppx) {
    .dropzone .dz-preview .dz-error-mark,
    .dropzone-previews .dz-preview .dz-error-mark,
    .dropzone .dz-preview .dz-success-mark,
    .dropzone-previews .dz-preview .dz-success-mark {
        -webkit-background-size: 428px 406px;
        -moz-background-size: 428px 406px;
        background-size: 428px 406px;
    }
}
.dropzone .dz-preview .dz-error-mark span,
.dropzone-previews .dz-preview .dz-error-mark span,
.dropzone .dz-preview .dz-success-mark span,
.dropzone-previews .dz-preview .dz-success-mark span {
    display: none;
}
.dropzone .dz-preview .dz-error-mark,
.dropzone-previews .dz-preview .dz-error-mark {
    background-position: -268px -123px;
}
.dropzone .dz-preview .dz-success-mark,
.dropzone-previews .dz-preview .dz-success-mark {
    background-position: -268px -163px;
}
.dropzone .dz-preview .dz-progress .dz-upload,
.dropzone-previews .dz-preview .dz-progress .dz-upload {
    -webkit-animation: loading 0.4s linear infinite;
    -moz-animation: loading 0.4s linear infinite;
    -o-animation: loading 0.4s linear infinite;
    -ms-animation: loading 0.4s linear infinite;
    animation: loading 0.4s linear infinite;
    -webkit-transition: width 0.3s ease-in-out;
    -moz-transition: width 0.3s ease-in-out;
    -o-transition: width 0.3s ease-in-out;
    -ms-transition: width 0.3s ease-in-out;
    transition: width 0.3s ease-in-out;
    -webkit-border-radius: 2px;
    border-radius: 2px;
    position: absolute;
    top: 0;
    left: 0;
    width: 0%;
    height: 100%;
    background-repeat: repeat-x;
    background-position: 0px -400px;
}
@media all and (-webkit-min-device-pixel-ratio: 1.5),
(min--moz-device-pixel-ratio: 1.5),
(-o-min-device-pixel-ratio: 1.5/1),
(min-device-pixel-ratio: 1.5),
(min-resolution: 138dpi),
(min-resolution: 1.5dppx) {
    .dropzone .dz-preview .dz-progress .dz-upload,
    .dropzone-previews .dz-preview .dz-progress .dz-upload {
        -webkit-background-size: 428px 406px;
        -moz-background-size: 428px 406px;
        background-size: 428px 406px;
    }
}
.dropzone .dz-preview.dz-success .dz-progress,
.dropzone-previews .dz-preview.dz-success .dz-progress {
    display: block;
    opacity: 0;
    -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";
    filter: alpha(opacity=0);
    -webkit-transition: opacity 0.4s ease-in-out;
    -moz-transition: opacity 0.4s ease-in-out;
    -o-transition: opacity 0.4s ease-in-out;
    -ms-transition: opacity 0.4s ease-in-out;
    transition: opacity 0.4s ease-in-out;
}
.dropzone .dz-preview .dz-error-message,
.dropzone-previews .dz-preview .dz-error-message {
    display: block;
    opacity: 0;
    -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";
    filter: alpha(opacity=0);
    -webkit-transition: opacity 0.3s ease-in-out;
    -moz-transition: opacity 0.3s ease-in-out;
    -o-transition: opacity 0.3s ease-in-out;
    -ms-transition: opacity 0.3s ease-in-out;
    transition: opacity 0.3s ease-in-out;
}
.dropzone .dz-preview:hover.dz-error .dz-error-message,
.dropzone-previews .dz-preview:hover.dz-error .dz-error-message {
    opacity: 1;
    -ms-filter: none;
    filter: none;
}
.dropzone a.dz-remove,
.dropzone-previews a.dz-remove {
    background-image: -webkit-linear-gradient(top, #fafafa, #eee);
    background-image: -moz-linear-gradient(top, #fafafa, #eee);
    background-image: -o-linear-gradient(top, #fafafa, #eee);
    background-image: -ms-linear-gradient(top, #fafafa, #eee);
    background-image: linear-gradient(to bottom, #fafafa, #eee);
    -webkit-border-radius: 2px;
    border-radius: 2px;
    border: 1px solid #eee;
    text-decoration: none;
    display: block;
    padding: 4px 5px;
    text-align: center;
    color: #aaa;
    margin-top: 26px;
}
.dropzone a.dz-remove:hover,
.dropzone-previews a.dz-remove:hover {
    color: #666;
}
@-moz-keyframes loading {
    from {
        background-position: 0 -400px;
    }
    to {
        background-position: -7px -400px;
    }
}
@-webkit-keyframes loading {
    from {
        background-position: 0 -400px;
    }
    to {
        background-position: -7px -400px;
    }
}
@-o-keyframes loading {
    from {
        background-position: 0 -400px;
    }
    to {
        background-position: -7px -400px;
    }
}
@keyframes loading {
    from {
        background-position: 0 -400px;
    }
    to {
        background-position: -7px -400px;
    }
}

HTML

dropzone.js example with restriction, 并带有资源管理功能。该插件是对uploadify（基于flash）插件的html5版的替代，使用html5 FormData接口来实现。可以实现异步页面无刷新上传（即无需真实提交页面表单）。

jquery, upload, FormData

编辑器支持Emmet

快捷键

dropzone.js example with restriction, 并带有资源管理功能。 该插件是对uploadify（基于flash）插件的html5版的替代，使用html5 FormData接口来实现。可以实现异步页面无刷新上传（即无需真实提交页面表单）。

jquery, upload, FormData

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编辑器支持Emmet

快捷键

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导入代码模板：

dropzone.js example with restriction, 并带有资源管理功能。该插件是对uploadify（基于flash）插件的html5版的替代，使用html5 FormData接口来实现。可以实现异步页面无刷新上传（即无需真实提交页面表单）。