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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>excel导出扩展分享</title>
<link rel="stylesheet" type="text/css" href="layui/css/layui.css">
<script type="text/javascript" src="layui/layui.js"></script>
<script type="text/javascript">
layui.config({
base: 'layui_exts/'
}).extend({
excel: 'excel'
});
</script>
<!-- IE需要把JS放在上边，否则onclick失效 -->
<script src="./index.js"></script>
</head>
<body>
<div class="layui-container">
<div class="layui-row">
<div class="layui-col-md11 layui-col-md-offset1">
<fieldset class="layui-elem-field layui-field-title"><legend>excel导出操作演示</legend></fieldset>
<blockquote class="layui-elem-quote">
导出数据速度由运行的电脑性能决定，插件基于 xlsx.js 和 FileSaver，只是做了一个简单的封装。<br>
经本人工作电脑测试，前端导出<b>纯数据 9列10w</b> 的数据量需要 <b>7秒左右</b>的时间，<b>30W数据占用1.8G，耗时24秒</b>，普通电脑<b>最多能导出50w数据，耗时45秒</b>，文件大小173M，提示内存超限<br><br>
<b>电脑配置及系统状况：</b><br>
CPU(占用24%)：Intel(R) Core(TM) i5-6300U CPU @ 2.40GHz <br>
内存(占用73%)： 8.0 GB DDR3,Speed: 1600 MHz <br>
<b>数据量测试：</b><br>
在决定使用本插件前，请根据业务实际需求量修改『导出数据测试样例』或者『导入样例』进行浏览器压力测试，满足需求再使用本插件。<br>
PS：效率和内存占用的问题我目前也没有好的解决方案，因为文件生成逻辑在XLSX.JS那边
<p style="color: #f00;margin-top: 20px;">注：不能直接在IFRAME里边直接调用导出方法，因为浏览器会限制这种导出行为，如有遇到此类情况，可使用 parent.layui.excel.exportExcel() 的方式调用父级页面函数以避免这个问题（父页面需要先加载插件）</p>
</blockquote>
<div class="layui-form">
<div class="layui-form-item">
<div class="layui-form-label">导出操作</div>
<div class="layui-form-block">
<button type="button" class="layui-btn layui-btn-primary" onclick="exportDataByUser()">导出数据测试</button>
<button type="button" class="layui-btn layui-btn-primary" onclick="exportApiDemo('./list.json')">导出接口数据</button>
<button type="button" class="layui-btn layui-btn-primary" onclick="exportExtendDemo()">导出复杂表头</button>
<button type="button" class="layui-btn layui-btn-primary" onclick="exportStyleDemo()">批量设置样式</button>
<!--<button type="button" class="layui-btn layui-btn-primary" onclick="exportBorderDemo()">快速设置边框</button>-->
</div>
</div>
<div class="layui-form-item">
<div class="layui-form-label">导入操作</div>
<div class="layui-form-block">
<input type="file" class="layui-btn layui-btn-primary" id="LAY-excel-import-excel" multiple="multiple">
</div>
</div>
<div class="layui-form-item">
<div class="layui-form-label"></div>
<div class="layui-form-block">
<p class="help-block" style="color: #f00;">高级浏览器可以在本页面上直接将文件拖入</p>
</div>
</div>
<div class="layui-form-item">
<div class="layui-form-label">Upload模块</div>
<div class="layui-form-block">
<button type="button" class="layui-btn" id="LAY-excel-upload">
<i class="layui-icon"></i>上传文档
</button>
</div>
</div>
<div class="layui-form-item">
<div class="layui-form-label">使用样例</div>
<div class="layui-form-block">
<button type="button" class="layui-btn layui-btn-primary" onclick="demoList()">查看样例列表</button>
</div>
</div>
<div class="layui-form-item">
<div class="layui-form-label">更新及文档</div>
<div class="layui-form-block">
<a class="layui-btn layui-btn-primary" target="_blank" href="https://fly.layui.com/jie/46036/">社区原帖</a>
<a class="layui-btn layui-btn-primary" target="_blank" href="https://github.com/wangerzi/layui-excel">最新源码文档·github</a>
<a class="layui-btn layui-btn-primary" target="_blank" href="https://gitee.com/wangerzi/layui-excel">备选源码文档·码云</a>
<a class="layui-btn layui-btn-primary" target="_blank" href="http://mail.qq.com/cgi-bin/qm_share?t=qm_mailme&email=zfT5_fv19fn1-428vOOuoqA">邮件反馈</a>
<button type="button" class="layui-btn layui-btn-primary" onclick="groupAdd()">加群交流</button>
</div>
</div>
</div>
</div>
</div>
</div>
</body>
<script type="text/html" id="LAY-excel-export-ans">
{{# layui.each(d.data, function(index, item){ }}
<blockquote class="layui-elem-quote">{{d.files[index].name}}</blockquote>
<div class="layui-tab">
<ul class="layui-tab-title">
{{# layui.each(item, function(sheetname, content) { }}
<li>{{sheetname}}</li>
{{# }); }}
</ul>
<div class="layui-tab-content">
{{# layui.each(item, function(sheetname, content) { }}
<div class="layui-tab-item">
<table class="layui-table">
{{# layui.each(content, function(index, value) { }}
<tr>
{{# layui.each(value, function(key, val) { }}
<td>{{val}}</td>
{{# });}}
</tr>
{{# });}}
</table>
<pre class="layui-code">{{JSON.stringify(content, null, 2)}}</pre>
</div>
{{# }); }}
</div>
</div>
{{# }) }}
</script>
<!-- 加群交流layer模板 -->
<script type="text/html" id="LAY-excel-group-add">
<!-- <fieldset class="layui-elem-field layui-field-title">
<legend>加群交流</legend>
</fieldset>
--><p style="text-align: center;"><b>群号：</b>555056599，<a href="https://jq.qq.com/?_wv=1027&k=5uMuyRD" target="_blank">点我加群</a></p>
<img alt="QQ群二维码" src="https://raw.githubusercontent.com/wangerzi/layui-excel/master/qq_group_qrcode.png" style="max-width: 100%;display:block;margin: 0 auto;">
</script>
<!--demo列表模板-->
<script type="text/html" id="LAY-excel-demo-list">
<table class="layui-table">
<thead>
<tr>
<td>路径</td>
<td>描述</td>
<td>贡献人</td>
</tr>
</thead>
<tbody>
{{# layui.each(d.list, function(index, value) { }}
<tr>
<td><a href="{{value.href}}" target="_blank">{{value.path}}</a></td>
<td>{{value.desc}}</td>
<td>{{value.person}}({{value.email}})</td>
</tr>
{{# });}}
</tbody>
</table>
</script>
</html>