使用jQuery-File-Upload-master文件上传插件实现真实进度条

时间 2019-12-06

标签使用 jquery file upload master 文件上传插件实现真实进度栏目 JQuery 繁體版

原文原文链接

首先要说明的是我是在Spring Boot和guns框架的基础上使用jQuery-File-Upload-master的插件来实现进度条的。

第一：该插件必需要导入的css,js有css

<link rel="stylesheet" href="${ctxPath}/static/css/file/bootstrap.min.css">html
<link rel="stylesheet" href="${ctxPath}/static/css/file/style.css">jquery
<link rel="stylesheet" href="${ctxPath}/static/css/file/jquery.fileupload.css">git
<link rel="stylesheet" href="${ctxPath}/static/css/file/jquery.fileupload-ui.css">github
<script src="${ctxPath}/static/js/file/jquery.iframe-transport.js"></script>ajax
<script src="${ctxPath}/static/js/file/jquery.fileupload.js"></script>spring
<script src="${ctxPath}/static/js/file/jquery.fileupload-process.js"></script>json
<script src="${ctxPath}/static/js/file/jquery.fileupload-image.js"></script>bootstrap
<script src="${ctxPath}/static/js/file/jquery.fileupload-audio.js"></script>跨域
<script src="${ctxPath}/static/js/file/jquery.fileupload-video.js"></script>
<script src="${ctxPath}/static/js/file/jquery.fileupload-validate.js"></script>
<script src="${ctxPath}/static/js/file/jquery.fileupload-ui.js"></script>
<script src="${ctxPath}/static/js/file/main.js"></script>
<script src="${ctxPath}/static/js/file/cors/jquery.xdr-transport.js"></script>

第二：要先了解spring boot和guns框架，而后找到视频上传管理点击添加，出现文件上传和一些其余你须要的字段，下面的页面使用Beetl引擎和HTML5 内联框架iFrame

@layout("/common/_container.html"){
<div class="float-e-margins"><!--ibox-->
    <div class=""><!--ibox-content-->
        <div class="container"><!--form-horizontal-->

            <input type="hidden" id="id" value="">
            <form id = "fileupload" method = "POST" enctype="multipart/form-data" action="/videoUpload" target="hidden_frame">
                <div class="row fileupload-buttonbar col-lg-7">
                    <div class="col-lg-7">
                       类型 <input id="videoType" name="videoType"/>
                        <br/>
                       简介 <input id="videoIntroduce" name="videoIntroduce"/>
                        <br/>
                        类别 <input id="videoClass" name="videoClass"/>
                        <br/>
                        <span class="btn btn-success fileinput-button">
                            <i class="glyphicon glyphicon-plus"></i>
                            <span>添加文件...</span>
                            <input type="file" name="files" multiple>
                        </span>
                        <button type="submit" class="btn btn-primary start">
                            <i class="glyphicon glyphicon-upload"></i>
                            <span>开始上传</span>
                        </button>
                        <button type="reset" class="btn btn-warning cancel">
                            <i class="glyphicon glyphicon-ban-circle"></i>
                            <span>取消上传</span>
                        </button>
                        <button type="button" class="btn btn-danger delete">
                            <i class="glyphicon glyphicon-trash"></i>
                            <span>删除</span>
                        </button>
                        <input type="checkbox" class="toggle">
                        <!--全局文件处理状态-->
                        <span class="fileupload-process"></span>

                    </div>

                    <div class="fileupload-progress fade" >
                        <div class="progress progress-striped active" role="progressbar" aria-valuemin="0" aria-valuemax="100">
                            <div class="progress-bar progress-bar-success" style="width:0%;"></div>
                        </div>
                        <div class="progress-extended">&nbsp;</div>
                    </div>
                </div>
                <!--列出可用于上传/下载的文件的表格-->
                <table role="presentation" class="table table-striped"><tbody class="files"></tbody></table>
                <div class="row btn-group-m-t">
                    <div class="col-sm-10">
                        <#button btnCss="info" name="提交" id="ensure" icon="fa-check" clickFun="VideoInfoDlg.addSubmit()"/>
                        <#button btnCss="danger" name="取消" id="cancel" icon="fa-eraser" clickFun="VideoInfoDlg.close()"/>
                    </div>
                </div>
            </form>
        </div>
    </div>
</div>

<!--显示可用于上传的文件模板-->
<script id="template-upload" type="text/x-tmpl">
{% for (var i=0, file; file=o.files[i]; i++) { %}
    <tr class="template-upload fade">
        <td>
            <span class="preview"></span>
        </td>
        <td>
            <p class="name">{%=file.name%}</p>
            <strong class="error text-danger"></strong>
        </td>
        <td>
            <p class="size">Processing...</p>
            <div class="progress progress-striped active" role="progressbar" aria-valuemin="0" aria-valuemax="100" aria-valuenow="0"><div class="progress-bar progress-bar-success" style="width:0%;"></div></div>
        </td>
        <td>
            {% if (!i && !o.options.autoUpload) { %}
                <button class="btn btn-primary start" disabled>
                <i class="glyphicon glyphicon-upload"></i>
                <span>Start</span>
                </button>
            {% } %}
            {% if (!i) { %}
                <button class="btn btn-warning cancel">
                <i class="glyphicon glyphicon-ban-circle"></i>
                <span>Cancel</span>
                </button>
            {% } %}
        </td>
    </tr>
{% } %}
</script>

<!--提供可下载的文件的模板-->
<script id="template-download" type="text/x-tmpl">
    {% for (var i=0, file; file=o.files[i]; i++) { %}
        <tr class="template-download fade">
            <td>
                <span class="preview">
                    {% if (file.thumbnailUrl) { %}
                        <a href="{%=file.url%}" title="{%=file.name%}" download="{%=file.name%}" data-gallery><img src="{%=file.thumbnailUrl%}"></a>
                    {% } %}
                </span>
            </td>
            <td>
                <p class="name">
                    {% if (file.url) { %}
                        <a href="{%=file.url%}" title="{%=file.name%}" download="{%=file.name%}" {%=file.thumbnailUrl?'data-gallery':''%}>{%=file.name%}</a>
                    {% } else { %}
                        <span>{%=file.name%}</span>
                    {% } %}
                </p>
                {% if(file=="" || file==null){ %}
                    {% if (file.error) { %}
                        <div><span class="label label-danger">请选择文件</span> {%=file.error%}</div>
                    {% } %}
                {% } %}
                {% if(file.success){ %}
                    <div><span class="label label-success">上传成功</span> {%=file.success%}</div>
                {% } %}
            </td>
            <td>
                <span class="size">{%=o.formatFileSize(file.size)%}</span>
            </td>
            <td>
                {% if (file.deleteUrl) { %}
                    <button class="btn btn-danger delete" data-type="{%=file.deleteType%}" data-url="{%=file.deleteUrl%}"{% if (file.deleteWithCredentials) { %} data-xhr-fields='{"withCredentials":true}'{% } %}>
                    <i class="glyphicon glyphicon-trash"></i>
                    <span>删除</span>
                    </button>
                    <input type="checkbox" name="delete" value="1" class="toggle">
                {% } else { %}
                    <button class="btn btn-warning cancel">
                    <i class="glyphicon glyphicon-ban-circle"></i>
                    <span>取消</span>
                    </button>
                {% } %}
            </td>
        </tr>
    {% } %}
</script>

<script src="${ctxPath}/static/modular/system/video/video_info.js"></script>

<script src="${ctxPath}/static/js/file/jquery.iframe-transport.js"></script>
<script src="${ctxPath}/static/js/file/jquery.fileupload.js"></script>
<script src="${ctxPath}/static/js/file/jquery.fileupload-process.js"></script>
<script src="${ctxPath}/static/js/file/jquery.fileupload-image.js"></script>
<script src="${ctxPath}/static/js/file/jquery.fileupload-audio.js"></script>
<script src="${ctxPath}/static/js/file/jquery.fileupload-video.js"></script>
<script src="${ctxPath}/static/js/file/jquery.fileupload-validate.js"></script>
<script src="${ctxPath}/static/js/file/jquery.fileupload-ui.js"></script>
<script src="${ctxPath}/static/js/file/main.js"></script>
<script src="${ctxPath}/static/js/file/cors/jquery.xdr-transport.js"></script>

@}

**第三：在jquery-file-upload插件中有一个main.js是须要改动的，当函数不做为对象的属性被调用时，也就是咱们常说的普通函数方式，此时的this老是指向全局对象，在ECMAScript4的strict模式下，这种状况下的this已经被规定为不会指向全局对象，而是undifined，就是下面的"user strict"。重点在"#fileupload" id要和表单from的id一致 **

$(function () {
    'use strict';
    // Initialize the jQuery File Upload widget:
    //初始化jQuery文件上传小部件：
    $('#fileupload').fileupload({
        // Uncomment the following to send cross-domain cookies:
        //为true取消如下内容发送跨域cookie：
        xhrFields: {withCredentials: false},
        url: '/videoUpload'
    });
    // Enable iframe cross-domain access via redirect option:
    //经过重定向选项启用iframe跨域访问：
    /*$('#fileupload').fileupload(
        'option',
        'redirect',
        window.location.href.replace(
            /\/[^\/]*$/,
            '/cors/result.html?%s'
        )
    );*/
	console.log(window.location.hostname);
    if (window.location.hostname === 'blueimp.github.io') {

        // Demo settings:
        //演示设置：
        /*$('#fileupload').fileupload('option', {
            /!*url: '//jquery-file-upload.appspot.com/',*!/
			url: '/videoUpload',
			// Enable image resizing, except for Android and Opera,
            //启用图像调整，除了Android和Opera
            // which actually support image resizing, but fail to
            //这实际上支持图像调整，但不能
            // send Blob objects via XHR requests:
            //经过XHR请求发送Blob对象:
            disableImageResize: /Android(?!.*Chrome)|Opera/
                .test(window.navigator.userAgent),
            maxFileSize: 999000,
            acceptFileTypes: /(\.|\/)(gif|jpe?g|png)$/i
        });*/

        // Upload server status check for browsers with CORS support:
        //为带有CORS支持的浏览器上传服务器状态检查：
        /*if ($.support.cors) {
            $.ajax({
                url: '/videoUpload',
                type: 'HEAD'
            }).fail(function () {
                $('<div class="alert alert-danger"/>')
                    .text('Upload server currently unavailable - ' +
                            new Date())
                    .appendTo('#fileupload');
            });
        }*/
    } else {
        // Load existing files:
        $('#fileupload').addClass('fileupload-processing');
        $.ajax({
            // Uncomment the following to send cross-domain cookies:
            //为true取消如下内容发送跨域cookie
            xhrFields: {withCredentials: false},
            url: $('#fileupload').fileupload('option', 'url'),
            dataType: 'json',
            context: $('#fileupload')[0]
        }).always(function () {
            $(this).removeClass('fileupload-processing');
        }).done(function (result) {
            $(this).fileupload('option', 'done')
                .call(this, $.Event('done'), {result: result});
        });
    }

});