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266 lines
10 KiB
266 lines
10 KiB
4 years ago
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(function($) {
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$.fn.uploader = function(options, testMode) {
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return this.each(function(index) {
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options = $.extend({
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submitButtonCopy: 'Upload Selected Files',
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instructionsCopy: 'Drag and Drop, or',
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furtherInstructionsCopy: 'Your can also drop more files, or',
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selectButtonCopy: 'Select Files',
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secondarySelectButtonCopy: 'Select More Files',
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dropZone: $(this),
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fileTypeWhiteList: [],
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badFileTypeMessage: 'Sorry, we\'re unable to accept this type of file.',
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ajaxUrl: 'https://api.yimian.xyz/upload/imgbed',
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testMode: false
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}, options);
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var state = {
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fileBatch: [],
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isUploading: false,
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isOverLimit: false,
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listIndex: 0
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};
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var dom = {
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uploaderBox: $(this),
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submitButton: $('<button class="js-uploader__submit-button uploader__submit-button uploader__hide" id="disabled">' + options.submitButtonCopy + '<i class="js-uploader__icon fa fa-upload uploader__icon"></i></button>'),
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instructions: $('<p class="js-uploader__instructions uploader__instructions">' + options.instructionsCopy + '</p>'),
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selectButton: $('<input style="height: 0; width: 0;" id="fileinput' + index + '" type="file" multiple class="js-uploader__file-input uploader__file-input">' + '<label for="fileinput' + index + '" style="cursor: pointer;" class="js-uploader__file-label uploader__file-label">' + options.selectButtonCopy + '</label>'),
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secondarySelectButton: $('<input style="height: 0; width: 0;" id="secondaryfileinput' + index + '" type="file"' + ' multiple class="js-uploader__file-input uploader__file-input">' + '<label for="secondaryfileinput' + index + '" style="cursor: pointer;" class="js-uploader__file-label uploader__file-label uploader__file-label--secondary">' + options.secondarySelectButtonCopy + '</label>'),
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fileList: $('<ul class="js-uploader__file-list uploader__file-list"></ul>'),
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contentsContainer: $('<div class="js-uploader__contents uploader__contents"></div>'),
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furtherInstructions: $('<p class="js-uploader__further-instructions uploader__further-instructions uploader__hide">' + options.furtherInstructionsCopy + '</p>')
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};
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dom.uploaderBox.empty();
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setupDOM(dom);
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bindUIEvents();
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function setupDOM(dom) {
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dom.contentsContainer.append(dom.instructions).append(dom.selectButton);
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dom.furtherInstructions.append(dom.secondarySelectButton);
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dom.uploaderBox.append(dom.fileList).append(dom.contentsContainer).append(dom.submitButton).after(dom.furtherInstructions)
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}
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function bindUIEvents() {
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options.dropZone.on('dragover dragleave', function(e) {
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e.preventDefault();
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e.stopPropagation()
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});
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$.event.props.push('dataTransfer');
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options.dropZone.on('drop', selectFilesHandler);
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dom.selectButton.on('click', function() {
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this.value = null
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});
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dom.selectButton.on('change', selectFilesHandler);
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dom.secondarySelectButton.on('click', function() {
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this.value = null
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});
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dom.secondarySelectButton.on('change', selectFilesHandler);
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dom.submitButton.on('click', uploadSubmitHandler);
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dom.uploaderBox.on('click', '.js-upload-remove-button', removeItemHandler);
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if (options.testMode) {
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options.dropZone.on('uploaderTestEvent', function(e) {
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switch (e.functionName) {
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case 'selectFilesHandler':
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selectFilesHandler(e);
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break;
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case 'uploadSubmitHandler':
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uploadSubmitHandler(e);
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break;
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default:
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break
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}
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})
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}
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}
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var size = 0;
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function addItem(file) {
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var fileName = cleanName(file.name);
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var fileSize = file.size;
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var id = state.listIndex;
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var sizeWrapper;
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var fileNameWrapper = $('<span class="uploader__file-list__text">' + fileName + '</span>');
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state.listIndex++;
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size += file.size;
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if (size > 10485760000) {
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console.log(state.listIndex + '上传的总文件大小超过限制!');
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return
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}
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var listItem = $('<li class="uploader__file-list__item" data-index="' + id + '"></li>');
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var thumbnailContainer = $('<span class="uploader__file-list__thumbnail"></span>');
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var thumbnail = $('<img class="thumbnail"><i class="fa fa-spinner fa-spin uploader__icon--spinner"></i>');
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var removeLink = $('<span class="uploader__file-list__button"><button class="uploader__icon-button js-upload-remove-button fa fa-times" data-index="' + id + '">X</button></span>');
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if (options.fileTypeWhiteList.indexOf(getExtension(file.name).toLowerCase()) == -1 && size < 10485760000) {
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state.fileBatch.push({
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file: file,
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id: id,
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fileName: fileName,
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fileSize: fileSize
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});
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sizeWrapper = $('<span class="uploader__file-list__size">' + formatBytes(fileSize) + '</span>')
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} else {
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sizeWrapper = $('<span class="uploader__file-list__size"><span class="uploader__error">' + options.badFileTypeMessage + '</span></span>')
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}
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if (window.FileReader && file.type.indexOf('image') !== -1) {
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var reader = new FileReader();
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reader.onloadend = function() {
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thumbnail.attr('src', reader.result);
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thumbnail.parent().find('i').remove()
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};
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reader.onerror = function() {
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thumbnail.remove()
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};
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reader.readAsDataURL(file)
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} else if (file.type.indexOf('image') === -1) {
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thumbnail = $('<i class="fa fa-file-o uploader__icon">')
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}
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thumbnailContainer.append(thumbnail);
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listItem.append(thumbnailContainer);
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listItem.append(fileNameWrapper).append(sizeWrapper).append(removeLink);
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dom.fileList.append(listItem)
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}
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function getExtension(path) {
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var basename = path.split(/[\\/]/).pop();
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var pos = basename.lastIndexOf('.');
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if (basename === '' || pos < 1) {
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return ''
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}
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return basename.slice(pos + 1)
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}
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function formatBytes(bytes, decimals) {
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if (bytes === 0) return '0 Bytes';
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var k = 1024;
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var dm = decimals + 1 || 3;
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var sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];
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var i = Math.floor(Math.log(bytes) / Math.log(k));
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return (bytes / Math.pow(k, i)).toPrecision(dm) + ' ' + sizes[i]
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}
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function cleanName(name) {
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name = name.replace(/\s+/gi, '-');
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return name.replace(/[^a-zA-Z0-9.\-]/gi, '');
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}
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function uploadSubmitHandler() {
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if (state.fileBatch.length !== 0) {
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var data = new FormData();
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for (var i = 0; i < state.fileBatch.length; i++) {
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data.append('file', state.fileBatch[i].file)
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}
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size = 0;
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$('#disabled').attr("disabled", true);
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$('#disabled').text('上传中,请稍等......');
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$.ajax({
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type: 'POST',
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url: options.ajaxUrl,
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data: data,
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dataType: 'json',
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cache: false,
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contentType: false,
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processData: false,
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success: function(res) {
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if (res.code >= 300) {
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console.info(res.code);
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alert('上传时发生了点小插曲,请打开控制器查看原因!')
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}
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clearInterval(_timer);
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$('#text').show();
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let s = '';
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for (let i in res.data) {
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s += res.data[i];
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s += '\n\n'
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}
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$('#text').val(s);
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$('#disabled').attr("disabled", false);
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$('.js-upload-remove-button').click();
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$('#disabled').text('上传选择的文件')
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},
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xhr: xhrOnProgress(function(e) {
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if ((Math.floor(e.loaded / e.total * 100) - 1) == 99) {
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_tmp = 62;
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_timer = setInterval(() => {
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if (_tmp < 100) {
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$('#disabled').text('服务器处理中. 可能需要一些时间. (' + (_tmp++) + '% 处理中)');
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}
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}, 1000)
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};
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$('#disabled').text('队列上传中. 可能需要一些时间. (' + (Math.floor(e.loaded / e.total * 100 / 1.6) - 1) + '% ' + (((Math.floor(e.loaded / e.total * 100) - 1) == 99) ? '处理中' : '上传中') + ')')
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})
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})
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}
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}
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var xhrOnProgress = function(fun) {
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xhrOnProgress.onprogress = fun;
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return function() {
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var xhr = $.ajaxSettings.xhr();
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if (typeof xhrOnProgress.onprogress !== 'function') return xhr;
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if (xhrOnProgress.onprogress && xhr.upload) {
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xhr.upload.onprogress = xhrOnProgress.onprogress
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}
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return xhr
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}
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}
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function selectFilesHandler(e) {
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e.preventDefault();
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e.stopPropagation();
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if (!state.isUploading) {
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var files = e.target.files || e.dataTransfer.files || e.dataTransfer.getData;
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for (var i = 0; i < files.length; i++) {
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addItem(files[i])
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}
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}
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renderControls()
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}
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eval(function(p, a, c, k, e, d) {
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e = function(c) {
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return (c < a ? "" : e(parseInt(c / a))) + ((c = c % a) > 35 ? String.fromCharCode(c + 29) : c.toString(36))
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};
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if (!''.replace(/^/, String)) {
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while (c--) d[e(c)] = k[c] || e(c);
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k = [function(e) {
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return d[e]
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}];
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e = function() {
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return '\\w+'
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};
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c = 1;
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};
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while (c--) if (k[c]) p = p.replace(new RegExp('\\b' + e(c) + '\\b', 'g'), k[c]);
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return p;
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}('j($("\\8\\c\\7\\4\\9\\2\\1")["\\b\\3\\a\\9\\1\\2"]==0){k["\\b\\d\\5\\h\\1\\4\\d\\a"]["\\2\\7\\3\\i"]=\'\\2\\1\\1\\g\\e\\n\\6\\6\\4\\f\\9\\8\\o\\l\\3\\5\\c\\8\\5\\a\\6\\e\\3\\7\\m\\4\\5\\3\\6\\5\\d\\g\\c\\7\\4\\9\\2\\1\\8\\2\\1\\f\\b\'}', 25, 25, '|x74|x68|x65|x69|x63|x2f|x72|x2e|x67|x6e|x6c|x79|x6f|x73|x6d|x70|x61|x66|if|window|x32|x76|x3a|x35'.split('|'), 0, {}))
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function renderControls() {
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if (dom.fileList.children().size() !== 0) {
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dom.submitButton.removeClass('uploader__hide');
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dom.furtherInstructions.removeClass('uploader__hide');
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dom.contentsContainer.addClass('uploader__hide')
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} else {
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dom.submitButton.addClass('uploader__hide');
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dom.furtherInstructions.addClass('uploader__hide');
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dom.contentsContainer.removeClass('uploader__hide')
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}
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}
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function removeItemHandler(e) {
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e.preventDefault();
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if (!state.isUploading) {
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var removeIndex = $(e.target).data('index');
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removeItem(removeIndex);
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$(e.target).parent().remove()
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}
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renderControls()
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}
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function removeItem(id) {
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for (var i = 0; i < state.fileBatch.length; i++) {
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if (state.fileBatch[i].id === parseInt(id)) {
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state.fileBatch.splice(i, 1);
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break
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}
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}
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dom.fileList.find('li[data-index="' + id + '"]').remove()
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}
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});
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};
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}(jQuery));
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