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@@ -0,0 +1,89 @@
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+
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+var Excel =
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+{
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+ open : function(data, filename, sheetname) {
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+ this.name = sheetname || 'sheet1';
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+ this.sheet = XLSX.utils.aoa_to_sheet(data);
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+ if (filename.substr(-5).toLowerCase() !== '.xlsx') {
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+ filename += '.xlsx';
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+ }
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+ this.openDownloadDialog(this.sheet2blob(this.sheet, this.name), filename);
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+ },
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+
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+ export : function (url, data) {
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+ var self = this;
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+ var filename = '';
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+ var head = [];
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+ var alldata = [];
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+ var loading = layer.msg('正在加载 <span data-upload-page></span>,完成<span data-upload-progress>0</span>%', {time:0,icon: 1});
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+ nextPage(1, 1);
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+
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+ function nextPage(curPage, maxPage) {
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+ if (curPage > maxPage) {
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+ alldata.unshift(head);
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+ this.result = alldata;
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+ if (this.result !== false) {
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+ self.open(this.result, filename || '文件下载.xlsx');
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+ } else {
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+ console.log('格式化函数返回`false`,已终止数据导出操作', alldata, this.result);
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+ }
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+ layer.close(loading);
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+ } else {
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+ $.post(url, {excel_type:1,pg:curPage}, function (ret) {
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+ var ret = eval('(' + ret + ')');
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+ if (ret.status == 1 && ret.data) {
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+ filename = ret.data.filename;
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+ head = ret.data.head;
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+ alldata = alldata.concat(ret.data.body);
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+
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+ curPage = ret.page.current_page;
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+ maxPage = ret.page.total_page;
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+ $('[data-upload-page]').html(curPage + '/' + maxPage);
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+ $('[data-upload-progress]').html((curPage / maxPage * 100).toFixed(2));
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+
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+ return nextPage(curPage + 1, maxPage, false);
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+ }
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+ }, false);
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+ }
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+ }
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+ },
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+
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+ /*! Sheet 转下载对象 */
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+ sheet2blob : function(sheet, name) {
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+ this.workbook = {SheetNames: [name], Sheets: {}};
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+ this.workbook.Sheets[name] = sheet;
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+ this.content = XLSX.write(this.workbook, {
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+ type: 'binary', bookSST: false, bookType: 'xlsx',
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+ });
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+ return new Blob([this.toArrayBuffer(this.content)], {
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+ type: "application/octet-stream"
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+ });
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+ },
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+
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+ /*! 字符串转 ArrayBuffer */
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+ toArrayBuffer : function(s) {
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+ this.buff = new ArrayBuffer(s.length);
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+ this.view = new Uint8Array(this.buff);
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+ for (this.index = 0; this.index !== s.length; ++this.index) {
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+ this.view[this.index] = s.charCodeAt(this.index) & 0xFF;
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+ }
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+ return this.buff;
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+ },
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+
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+ /*! 通用的打开下载对话框方法 */
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+ openDownloadDialog : function(location, filename) {
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+ if (typeof location == 'object' && location instanceof Blob) {
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+ location = URL.createObjectURL(location);
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+ }
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+ this.link = document.createElement('a');
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+ this.link.download = filename || Date.now() + '.xlsx';
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+ this.link.href = location;
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+ if (window.MouseEvent) {
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+ this.event = new MouseEvent('click');
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+ } else {
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+ this.event = document.createEvent('MouseEvents');
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+ this.event.initMouseEvent('click', true, false, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null);
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+ }
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+ this.link.dispatchEvent(this.event);
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+ }
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+}
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