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- {% extends "base_index.html" %}
- {% block content %}
- <div class="container mt-5">
- <h1 class="text-center mb-4">上传CSV文件</h1>
- <div class="row justify-content-center">
- <div class="col-md-6">
- <form action="/simple_backtest" method="post" enctype="multipart/form-data" class="mb-3">
- <div class="input-group mb-3">
- <div class="custom-file">
- <input type="file" class="custom-file-input" name="file" id="fileInput"
- onchange="updateLabel()">
- <label class="custom-file-label" for="fileInput">选择文件</label>
- </div>
- <div class="input-group-append">
- <button class="btn btn-outline-secondary" type="submit">上传</button>
- </div>
- </div>
- </form>
- </div>
- </div>
- {% if tables %}
- <h2 class="text-center">{{ file_name }}分析结果</h2>
- <div class="table-responsive">
- {% for table in tables %}
- {{ table|safe }}
- {% endfor %}
- </div>
- {% endif %}
- </div>
- <script>
- // 当文件选择变化时,保存文件名到本地存储
- function updateLabel() {
- var input = document.getElementById('fileInput');
- if (input.files.length > 0) { // 确保选择了文件
- var label = input.nextElementSibling;
- var fileName = input.files[0].name;
- label.innerHTML = fileName;
- localStorage.setItem('lastUploadedFileName', fileName); // 保存文件名到本地存储
- } else {
- localStorage.removeItem('lastUploadedFileName'); // 如果没有文件被选择,清除存储的文件名
- }
- }
- // 页面加载完成后,检查是否有保存的文件名
- document.addEventListener('DOMContentLoaded', function () {
- var input = document.getElementById('fileInput');
- var label = document.querySelector('.custom-file-label');
- if (input.files.length > 0) { // 如果实际上有文件被选中
- var fileName = input.files[0].name;
- label.innerHTML = fileName;
- } else {
- label.innerHTML = '选择文件'; // 如果没有文件,显示默认文本
- localStorage.removeItem('lastUploadedFileName'); // 清除本地存储中的文件名
- }
- });
- </script>
- {% endblock %}
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