/* ! 宝塔文件上传组件 License  https://www.bt.cn  By 黄文良 <287962566@qq.com> */
var bt_upload_file = { f: null, f_total: 0, f_path: null, split_size: 1024 * 1024 * 2, _files: [], _error: 0, _start_time: 0, _t_start_time: 0, collback_to: null, upload_url: '/files?action=upload', _loadT: null, open: function (path, is_exts, ps, collback_to) { bt_upload_file.f_path = path.replace('//', '/'); user_agent = navigator.userAgent.toLowerCase(); var btn_dir = ''; var accept_ext = ''; if (!is_exts) { if (user_agent.indexOf('chrome') !== -1 || user_agent.indexOf('firefox') !== -1) { btn_dir = '<input type="file" id="dir_input" onchange="bt_upload_file.list(this.files)" style="display:none;"  multiple="true" autocomplete="off" multiple webkitdirectory /><button type="button" style="margin-left: 10px;"  id="opt" onclick="$(\'#dir_input\').click()" autocomplete="off" title="支持的浏览器: Chrome、Firefox、Edge、有极速模式的国产浏览器">选择目录</button>' } } else { accept_ext = 'accept="' + is_exts + '"' } var other_ps = ''; if (ps) { other_ps = ' --- <span style="color:red;">' + ps + '</span>' } else { other_ps = ' --- 支持断点续传' } if (collback_to) { bt_upload_file.collback_to = collback_to } bt_upload_file._loadT = layer.open({ type: 1, title: '上传文件到[' + bt_upload_file.f_path + ']' + other_ps, area: ['550px', '500px'], shadeClose: false, closeBtn: 2, content: '<div class="fileUploadDiv"><input type="file" id="file_input" onchange="bt_upload_file.list(this.files)"  multiple="true" autocomplete="off" ' + accept_ext + ' /><button type="button"  id="opt" onclick="$(\'#file_input\').click()" autocomplete="off">选择文件</button>' + btn_dir + '<span id="totalProgress" style="position: absolute;top: 7px;right: 10px;"></span><span><button type="button" id="up" autocomplete="off" onclick="bt_upload_file.start(0)">开始上传</button><button type="button" id="filesClose" autocomplete="off" onClick="layer.close(bt_upload_file._loadT)" >关闭</button></span><ul id="up_box"></ul></div>' }) }, list: function (_files) { bt_upload_file._files = _files; var up_box = $("#up_box"); $("#up_box").html(''); var loadT = layer.msg('正在加载文件列表...', { time: 0, icon: 16, shade: 0.3 }); for (var i = 0; i < _files.length; i += 1) { var f_name = _files[i].name; if (_files[i].webkitRelativePath) { f_name = _files[i].webkitRelativePath } up_box.append('<li class="offset-' + i + '"><span class="filename" title="上传到: ' + bt_upload_file.f_path + '/' + f_name + '">' + f_name + '</span><span class="filesize">' + bt_upload_file.to_size(_files[i].size) + '</span><em>等待上传</em></li>') } layer.close(loadT) }, to_size: function (a) { var d = [" B", " KB", " MB", " GB", " TB", " PB"]; var e = 1024; for (var b = 0; b < d.length; b += 1) { if (a < e) { return (b === 0 ? a : a.toFixed(2)) + d[b] } a /= e } }, start: function (i) { var len = bt_upload_file._files.length; if (len === 0) { layer.msg('请选择文件!', { icon: 2 }); return false } if (i === 0) { bt_upload_file._t_start_time = new Date() } $("#filesClose,#up,#opt").attr("disabled", "disabled"); var total_time = bt_upload_file.diff_time(bt_upload_file._t_start_time, new Date()); $("#totalProgress").html('<p>已上传(' + i + '/' + len + '),' + total_time + '</p> <progress value="' + i + '" max="' + len + '"></progress>'); if (len <= i) { $("#totalProgress").html('<p>上传完成(' + i + '/' + len + '), ' + total_time + '</p> <progress value="' + i + '" max="' + len + '"></progress>'); bt_upload_file._files = []; $("#filesClose,#up,#opt").removeAttr("disabled"); if (bt_upload_file.collback_to) { bt_upload_file.collback_to(bt_upload_file.f_path) } return false } if (i > 10) { $("#up_box").scrollTop(35 * (i - 10) + 50) } bt_upload_file._start_time = new Date(); bt_upload_file._error = 0; bt_upload_file.f = bt_upload_file._files[i]; bt_upload_file.f_total = Math.ceil(bt_upload_file.f.size / bt_upload_file.split_size); bt_upload_file.upload(0, i) }, upload: function (start, i) { var end = Math.min(bt_upload_file.f.size, start + bt_upload_file.split_size); var len = bt_upload_file._files.length; var f_path = bt_upload_file.f_path; if (bt_upload_file.f.webkitRelativePath) { f_path = bt_upload_file.f_path + '/' + bt_upload_file.f.webkitRelativePath.replace('/' + bt_upload_file.f.name, '') } var form = new FormData(); form.append("f_path", f_path.replace('//', '/')); form.append("f_name", bt_upload_file.f.name); form.append("f_size", bt_upload_file.f.size); form.append("f_start", start); form.append("blob", bt_upload_file.f.slice(start, end)); $.ajax({ url: bt_upload_file.upload_url, type: "POST", data: form, async: true, processData: false, contentType: false, success: function (data) { if (typeof (data) === "number") { var progress = parseInt(data / bt_upload_file.f.size * 100); var total_time = bt_upload_file.diff_time(bt_upload_file._t_start_time, new Date()); $("#totalProgress").html('<p>已上传(' + i + '/' + len + '),' + total_time + '</p> <progress value="' + i + '" max="' + len + '"></progress>'); $("#up_box li em")[i].outerHTML = '<em style="color:green;">上传进度:' + progress + '%</em>'; $("#up_box li .filesize")[i].outerHTML = '<span class="filesize">' + bt_upload_file.to_size(data) + '/' + bt_upload_file.to_size(bt_upload_file.f.size) + '</span>'; $("#up_box li em")[i].focus(); bt_upload_file.upload(data, i) } else { if (data.status) { var f_time = bt_upload_file.diff_time(bt_upload_file._start_time, new Date()); $("#up_box li em")[i].outerHTML = '<em style="color:green;">已完成(' + f_time + ')</em>'; $("#up_box li .filesize")[i].outerHTML = '<span class="filesize">' + bt_upload_file.to_size(bt_upload_file.f.size) + '/' + bt_upload_file.to_size(bt_upload_file.f.size) + '</span>' } else { $("#up_box li em")[i].outerHTML = '<em style="color:red;">' + data.msg + '</em>' } bt_upload_file.start(i + 1) } }, error: function (e) { if (bt_upload_file._error > 5) { $("#up_box li em")[i].outerHTML = '<em style="color:red;">上传失败</em>'; bt_upload_file.start(i + 1); return } bt_upload_file._error += 1; bt_upload_file.upload(start, i) } }) }, diff_time: function (start_date, end_date) { var diff = end_date.getTime() - start_date.getTime(); var minutes = Math.floor(diff / (60 * 1000)); var leave3 = diff % (60 * 1000); var seconds = (leave3 / 1000).toFixed(2); var result = seconds + '秒'; if (minutes > 0) { result = minutes + "分" + result } return result } };