1385 lines
40 KiB
HTML
1385 lines
40 KiB
HTML
<!DOCTYPE html>
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<html lang="zh-CN">
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<head>
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<meta charset="UTF-8" />
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<meta
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name="viewport"
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content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no, viewport-fit=cover"
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/>
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<title>文件上传</title>
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<style>
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* {
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margin: 0;
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padding: 0;
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box-sizing: border-box;
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-webkit-tap-highlight-color: transparent;
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}
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body {
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font-family: -apple-system, BlinkMacSystemFont, 'Helvetica Neue', 'PingFang SC', 'Hiragino Sans GB',
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'Microsoft YaHei', sans-serif;
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background: linear-gradient(to bottom, #4995ff 0%, #ffffff 100%);
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min-height: 100vh;
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padding: 0;
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color: #333;
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}
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.container {
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min-height: 100vh;
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padding: 20px 20px;
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display: flex;
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flex-direction: column;
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position: relative;
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}
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.header {
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text-align: center;
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padding: 15px 20px;
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color: white;
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}
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.title {
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font-size: 28px;
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font-weight: 600;
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margin-bottom: 8px;
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letter-spacing: 1px;
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}
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.subtitle {
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font-size: 15px;
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opacity: 0.9;
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line-height: 1.5;
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max-width: 280px;
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margin: 0 auto;
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}
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.main-content {
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flex: 1;
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background: white;
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border-radius: 20px;
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padding: 25px 20px;
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box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
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margin-top: 10px;
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}
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.upload-section {
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margin-bottom: 25px;
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}
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.section-title {
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font-size: 18px;
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font-weight: 600;
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color: #2d3436;
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margin-bottom: 15px;
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display: flex;
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align-items: center;
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gap: 8px;
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}
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.upload-area {
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border: 2px dashed #d1d8e0;
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border-radius: 16px;
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padding: 15px 6px;
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text-align: center;
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cursor: pointer;
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transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
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background: #f8f9fa;
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position: relative;
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overflow: hidden;
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}
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.upload-area:active {
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transform: scale(0.98);
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background: #f1f3f5;
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border-color: #667eea;
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}
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.upload-area.dragover {
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border-color: #667eea;
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background: rgba(102, 126, 234, 0.05);
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}
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.upload-area.disabled {
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opacity: 0.6;
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cursor: not-allowed;
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background: #f5f5f5;
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border-color: #e0e0e0;
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}
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.upload-area.disabled:active {
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transform: none;
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}
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.upload-icon {
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font-size: 48px;
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color: #667eea;
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margin-bottom: 15px;
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display: block;
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}
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.upload-text {
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font-size: 16px;
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color: #2d3436;
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margin-bottom: 8px;
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font-weight: 500;
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}
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.upload-hint {
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font-size: 13px;
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color: #7b8a9b;
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line-height: 1.5;
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}
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.file-input {
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position: absolute;
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width: 100%;
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height: 100%;
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top: 0;
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left: 0;
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opacity: 0;
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cursor: pointer;
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}
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.file-input:disabled {
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cursor: not-allowed;
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}
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.selected-files {
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display: none;
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}
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.selected-files.show {
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display: block;
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}
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.file-list {
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list-style: none;
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}
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.file-item {
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display: flex;
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align-items: center;
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padding: 16px;
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background: #f8f9fa;
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border-radius: 14px;
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margin-bottom: 12px;
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border: 1px solid #e9ecef;
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animation: slideIn 0.3s ease;
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}
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@keyframes slideIn {
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from {
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opacity: 0;
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transform: translateY(10px);
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}
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to {
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opacity: 1;
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transform: translateY(0);
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}
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}
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/* 文件图标容器样式 */
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.file-icon-container {
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width: 60px;
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height: 60px;
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border-radius: 10px;
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margin-right: 15px;
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flex-shrink: 0;
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overflow: hidden;
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display: flex;
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align-items: center;
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justify-content: center;
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position: relative;
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}
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/* 图片缩略图样式 */
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.thumbnail {
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width: 100%;
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height: 100%;
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object-fit: cover;
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border-radius: 8px;
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}
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/* 非图片文件图标样式 */
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.file-icon {
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width: 100%;
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height: 100%;
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background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
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border-radius: 10px;
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display: flex;
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align-items: center;
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justify-content: center;
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color: white;
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font-size: 24px;
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}
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.file-info {
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flex: 1;
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min-width: 0;
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margin-right: 10px;
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}
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.file-name {
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font-size: 15px;
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color: #2d3436;
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margin-bottom: 4px;
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white-space: nowrap;
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overflow: hidden;
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text-overflow: ellipsis;
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font-weight: 500;
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}
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.file-size {
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font-size: 12px;
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color: #7b8a9b;
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}
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.file-progress {
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width: 100%;
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height: 4px;
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background: #e9ecef;
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border-radius: 2px;
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margin-top: 8px;
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overflow: hidden;
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display: none;
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}
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.file-progress-bar {
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height: 100%;
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background: linear-gradient(90deg, #667eea, #764ba2);
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width: 0%;
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transition: width 0.3s ease;
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}
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.remove-btn {
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background: none;
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border: none;
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color: #ff6b6b;
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font-size: 40px;
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cursor: pointer;
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padding: 8px;
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margin-left: 5px;
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flex-shrink: 0;
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}
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.action-buttons {
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display: flex;
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gap: 12px;
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margin-top: 30px;
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position: sticky;
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bottom: 20px;
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z-index: 10;
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}
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.action-btn {
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flex: 1;
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padding: 18px 14px;
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border: none;
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border-radius: 14px;
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font-size: 16px;
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font-weight: 600;
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cursor: pointer;
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transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
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display: flex;
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align-items: center;
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justify-content: center;
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gap: 8px;
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}
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.action-btn:active {
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transform: translateY(2px);
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}
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.upload-btn {
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background: linear-gradient(135deg, #4191fe 0%, #a5c6f7 100%);
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color: white;
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box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
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}
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.upload-btn:disabled {
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background: #d1d8e0;
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box-shadow: none;
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cursor: not-allowed;
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transform: none !important;
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}
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.clear-btn {
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background: #f8f9fa;
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color: #666;
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border: 1px solid #c8cacb;
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}
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.loading-overlay {
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position: fixed;
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top: 0;
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left: 0;
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right: 0;
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bottom: 0;
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background: rgba(255, 255, 255, 0.8);
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display: none;
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align-items: center;
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justify-content: center;
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z-index: 1000;
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flex-direction: column;
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}
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.loading-overlay.show {
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display: flex;
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}
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.spinner {
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width: 60px;
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height: 60px;
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border: 4px solid #f3f3f3;
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border-top: 4px solid #667eea;
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border-radius: 50%;
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animation: spin 1s linear infinite;
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margin-bottom: 20px;
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}
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@keyframes spin {
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0% {
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transform: rotate(0deg);
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}
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100% {
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transform: rotate(360deg);
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}
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}
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.loading-text {
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font-size: 16px;
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color: #2d3436;
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font-weight: 500;
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}
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/* 状态提示框容器 */
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.status-messages-container {
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pointer-events: none;
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width: 100%;
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}
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/* 状态提示框 */
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.status-message {
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background: rgb(238, 238, 238);
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border-radius: 16px;
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padding: 30px 25px;
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text-align: center;
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box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
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margin: 0 auto 20px;
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display: none;
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animation: popUp 0.3s ease;
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max-width: 85%;
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pointer-events: auto;
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position: fixed;
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top: 45%;
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left: 0;
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right: 0;
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z-index: 1001;
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transform: translateY(-50%);
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}
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/* 点击关闭按钮 */
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.status-message .close-btn {
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position: absolute;
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top: 10px;
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right: 10px;
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background: none;
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border: none;
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font-size: 20px;
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cursor: pointer;
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color: #666;
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width: 30px;
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height: 30px;
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border-radius: 50%;
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display: flex;
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align-items: center;
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justify-content: center;
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}
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.status-message .close-btn:hover {
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background: rgba(0, 0, 0, 0.1);
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}
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@keyframes popUp {
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from {
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opacity: 0;
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}
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to {
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opacity: 1;
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}
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}
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.status-icon {
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font-size: 60px;
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margin-bottom: 20px;
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display: block;
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}
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.status-success .status-icon {
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color: #4caf50;
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}
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.status-error .status-icon {
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color: #ff6b6b;
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}
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.status-title {
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font-size: 20px;
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font-weight: 600;
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margin-bottom: 10px;
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color: #2d3436;
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}
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.status-desc {
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font-size: 14px;
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color: #7b8a9b;
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margin-bottom: 25px;
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line-height: 1.5;
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}
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.status-btn {
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background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
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color: white;
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border: none;
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border-radius: 12px;
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padding: 16px;
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font-size: 16px;
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font-weight: 600;
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width: 100%;
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cursor: pointer;
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}
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.footer {
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text-align: center;
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margin-top: 20px;
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padding-top: 20px;
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border-top: 1px solid rgba(170, 170, 170, 0.8);
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color: #7d7d7d;
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font-size: 16px;
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position: relative;
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z-index: 1;
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}
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/* 图片预览模态框 */
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.image-preview-modal {
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position: fixed;
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top: 0;
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left: 0;
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right: 0;
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bottom: 0;
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background: rgba(0, 0, 0, 0.9);
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display: none;
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align-items: center;
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justify-content: center;
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z-index: 1002;
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}
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.image-preview-modal.show {
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display: flex;
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}
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.preview-image {
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max-width: 90%;
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max-height: 90%;
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object-fit: contain;
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border-radius: 8px;
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}
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.close-preview {
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position: absolute;
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top: 20px;
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right: 20px;
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background: rgba(255, 255, 255, 0.2);
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border: none;
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color: white;
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font-size: 24px;
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width: 44px;
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height: 44px;
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border-radius: 50%;
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cursor: pointer;
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display: flex;
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align-items: center;
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justify-content: center;
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}
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@media (max-width: 360px) {
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.container {
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padding: 15px 15px 30px;
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}
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.header {
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padding: 20px 15px;
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}
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.main-content {
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padding: 20px 15px;
|
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}
|
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.action-btn {
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padding: 16px;
|
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font-size: 15px;
|
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}
|
||
|
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.file-icon-container {
|
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width: 50px;
|
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height: 50px;
|
||
}
|
||
|
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.file-icon {
|
||
font-size: 20px;
|
||
}
|
||
}
|
||
|
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/* 限制提示样式 */
|
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.limit-info {
|
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background: #fff8e1;
|
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border: 1px solid #ffd54f;
|
||
border-radius: 12px;
|
||
padding: 12px 16px;
|
||
margin-bottom: 20px;
|
||
font-size: 14px;
|
||
color: #f57c00;
|
||
display: none;
|
||
align-items: center;
|
||
gap: 8px;
|
||
animation: slideIn 0.3s ease;
|
||
}
|
||
|
||
.limit-info.show {
|
||
display: flex;
|
||
}
|
||
|
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.limit-icon {
|
||
font-size: 18px;
|
||
flex-shrink: 0;
|
||
}
|
||
|
||
.limit-text {
|
||
flex: 1;
|
||
}
|
||
|
||
/* 限制警告提示 */
|
||
.limit-warning-info {
|
||
background: #ffebee;
|
||
border: 1px solid #ffcdd2;
|
||
border-radius: 12px;
|
||
padding: 12px 16px;
|
||
margin-bottom: 20px;
|
||
font-size: 14px;
|
||
color: #d32f2f;
|
||
display: none;
|
||
align-items: center;
|
||
gap: 8px;
|
||
animation: slideIn 0.3s ease;
|
||
}
|
||
|
||
.limit-warning-info.show {
|
||
display: flex;
|
||
}
|
||
|
||
.limit-warning-icon {
|
||
font-size: 18px;
|
||
flex-shrink: 0;
|
||
}
|
||
|
||
.limit-warning-text {
|
||
flex: 1;
|
||
}
|
||
</style>
|
||
</head>
|
||
<body>
|
||
<div class="container">
|
||
<div class="header">
|
||
<h1 class="title">文件上传</h1>
|
||
<p class="subtitle">选择文件上传到终端</p>
|
||
</div>
|
||
|
||
<div class="main-content">
|
||
<!-- 限制提示 -->
|
||
<div class="limit-info" id="limitInfo">
|
||
<span class="limit-icon">⚠️</span>
|
||
<div class="limit-text" id="limitText">加载中...</div>
|
||
</div>
|
||
|
||
<!-- 总数量限制警告 -->
|
||
<div class="limit-warning-info" id="limitWarningInfo">
|
||
<span class="limit-warning-icon">⚠️</span>
|
||
<div class="limit-warning-text" id="limitWarningText">已超过文件上传总数限制</div>
|
||
</div>
|
||
|
||
<div class="upload-section">
|
||
<h3 class="section-title">📎 选择文件</h3>
|
||
<div class="upload-area" id="uploadArea">
|
||
<div class="upload-icon">📁</div>
|
||
<div class="upload-text" id="uploadText">点击选择文件</div>
|
||
<div class="upload-hint" id="uploadHint">支持图片、文档、文本等格式</div>
|
||
<input
|
||
type="file"
|
||
id="fileInput"
|
||
class="file-input"
|
||
multiple
|
||
accept="image/*,.pdf,.doc,.docx,.xls,.xlsx,.csv,.ppt,.pptx,.txt,.md"
|
||
/>
|
||
</div>
|
||
</div>
|
||
|
||
<div class="selected-files" id="selectedFiles">
|
||
<h3 class="section-title">📋 已选文件</h3>
|
||
<ul class="file-list" id="fileList"></ul>
|
||
</div>
|
||
|
||
<div class="action-buttons">
|
||
<button class="action-btn clear-btn" id="clearBtn" disabled><span>🗑️</span> 清空</button>
|
||
<button class="action-btn upload-btn" id="uploadBtn" disabled><span>⬆️</span> 开始上传</button>
|
||
</div>
|
||
</div>
|
||
|
||
<div class="footer">
|
||
<p>请确保您上传的文件符合相关法律法规</p>
|
||
</div>
|
||
</div>
|
||
|
||
<!-- 加载遮罩层 -->
|
||
<div class="loading-overlay" id="loadingOverlay">
|
||
<div class="spinner"></div>
|
||
<div class="loading-text" id="loadingText">上传中，请稍候...</div>
|
||
</div>
|
||
|
||
<!-- 状态提示框容器 -->
|
||
<div class="status-messages-container" id="statusMessagesContainer"></div>
|
||
|
||
<!-- 图片预览模态框 -->
|
||
<div class="image-preview-modal" id="imagePreviewModal">
|
||
<img class="preview-image" id="previewImage" src="" alt="预览图片" />
|
||
<button class="close-preview" id="closePreview">×</button>
|
||
</div>
|
||
|
||
<script type="module">
|
||
import { FileValidator } from './FileValidator.js'; //文件校验JS
|
||
// 创建文件校验器实例
|
||
const fileValidator = new FileValidator();
|
||
|
||
// 获取URL中的参数
|
||
const urlParams = new URLSearchParams(window.location.search);
|
||
const sessionId = urlParams.get('sessionId');
|
||
const uploadApi = urlParams.get('uploadApi');
|
||
const fileCountParam = urlParams.get('fileCount');
|
||
|
||
// 配置常量
|
||
const MAX_FILE_COUNT = fileCountParam ? parseInt(fileCountParam) : 2; // 从URL参数获取，默认为2
|
||
const MAX_FILE_SIZE = 10 * 1024 * 1024; // 10MB
|
||
|
||
console.log('Session ID:', sessionId);
|
||
console.log('Upload API:', uploadApi);
|
||
console.log('Max file count:', MAX_FILE_COUNT);
|
||
|
||
// DOM元素
|
||
const uploadArea = document.getElementById('uploadArea');
|
||
const uploadText = document.getElementById('uploadText');
|
||
const uploadHint = document.getElementById('uploadHint');
|
||
const fileInput = document.getElementById('fileInput');
|
||
const fileList = document.getElementById('fileList');
|
||
const selectedFilesContainer = document.getElementById('selectedFiles');
|
||
const clearBtn = document.getElementById('clearBtn');
|
||
const uploadBtn = document.getElementById('uploadBtn');
|
||
const loadingOverlay = document.getElementById('loadingOverlay');
|
||
const loadingText = document.getElementById('loadingText');
|
||
const statusMessagesContainer = document.getElementById('statusMessagesContainer');
|
||
const imagePreviewModal = document.getElementById('imagePreviewModal');
|
||
const previewImage = document.getElementById('previewImage');
|
||
const closePreview = document.getElementById('closePreview');
|
||
const limitInfo = document.getElementById('limitInfo');
|
||
const limitText = document.getElementById('limitText');
|
||
const limitWarningInfo = document.getElementById('limitWarningInfo');
|
||
const limitWarningText = document.getElementById('limitWarningText');
|
||
|
||
// 状态变量
|
||
let selectedFiles = [];
|
||
let isUploading = false;
|
||
let uploadedCount = 0; // 已上传的总文件数量
|
||
|
||
let statusMessageCount = 0; // 弹窗计数器
|
||
|
||
// 初始化
|
||
function init() {
|
||
// 更新限制提示文本
|
||
updateLimitText();
|
||
|
||
// 显示限制提示
|
||
limitInfo.classList.add('show');
|
||
|
||
// 检查本地存储中已上传的文件数量
|
||
checkUploadedCount();
|
||
|
||
// 事件监听
|
||
fileInput.addEventListener('change', handleFileSelect);
|
||
clearBtn.addEventListener('click', clearAllFiles);
|
||
uploadBtn.addEventListener('click', startUpload);
|
||
closePreview.addEventListener('click', () => {
|
||
imagePreviewModal.classList.remove('show');
|
||
document.body.style.overflow = '';
|
||
});
|
||
|
||
// 添加事件委托来处理状态消息的关闭按钮
|
||
statusMessagesContainer.addEventListener('click', (e) => {
|
||
if (e.target.matches('[data-action="close"]')) {
|
||
const messageId = e.target.dataset.messageId;
|
||
closeStatusMessage(messageId);
|
||
}
|
||
});
|
||
|
||
// 添加事件委托来处理删除按钮
|
||
fileList.addEventListener('click', (e) => {
|
||
if (e.target.classList.contains('remove-btn')) {
|
||
const name = e.target.dataset.name;
|
||
const size = parseInt(e.target.dataset.size);
|
||
removeFile(name, size);
|
||
}
|
||
});
|
||
|
||
// 图片预览模态框点击外部关闭
|
||
imagePreviewModal.addEventListener('click', (e) => {
|
||
if (e.target === imagePreviewModal) {
|
||
imagePreviewModal.classList.remove('show');
|
||
document.body.style.overflow = '';
|
||
}
|
||
});
|
||
|
||
// 拖拽上传
|
||
setupDragAndDrop();
|
||
|
||
// 防止页面滚动
|
||
document.body.addEventListener('touchmove', preventScroll, { passive: false });
|
||
|
||
// 更新UI
|
||
updateUI();
|
||
}
|
||
|
||
// 更新限制提示文本
|
||
function updateLimitText() {
|
||
if (MAX_FILE_COUNT <= 0) {
|
||
limitText.textContent = '未设置可上传文件数量';
|
||
} else {
|
||
limitText.textContent = `总共可上传 ${MAX_FILE_COUNT} 个文件，每个文件不超过10MB（已上传: ${uploadedCount}）`;
|
||
}
|
||
}
|
||
|
||
// 检查已上传的文件数量
|
||
function checkUploadedCount() {
|
||
if (sessionStorage.getItem('sessionId') && sessionStorage.getItem('sessionId') != sessionId) {
|
||
sessionStorage.setItem('uploadedFileCount', '0');
|
||
}
|
||
// // 使用sessionStorage存储当前会话的上传数量
|
||
// // 如果要永久存储，可以改用localStorage
|
||
const storedCount = sessionStorage.getItem('uploadedFileCount');
|
||
uploadedCount = storedCount ? parseInt(storedCount) : 0;
|
||
// 更新警告提示
|
||
updateWarningText();
|
||
}
|
||
|
||
// 更新警告提示
|
||
function updateWarningText() {
|
||
if (MAX_FILE_COUNT > 0 && uploadedCount >= MAX_FILE_COUNT) {
|
||
limitWarningInfo.classList.add('show');
|
||
limitWarningText.textContent = `已达文件上传总数限制（${MAX_FILE_COUNT}个）`;
|
||
} else {
|
||
limitWarningInfo.classList.remove('show');
|
||
}
|
||
}
|
||
|
||
// 保存已上传的文件数量
|
||
function saveUploadedCount() {
|
||
sessionStorage.setItem('uploadedFileCount', uploadedCount.toString());
|
||
updateLimitText();
|
||
updateWarningText();
|
||
}
|
||
|
||
// 处理文件选择
|
||
function handleFileSelect(e) {
|
||
if (e.target.files.length) {
|
||
handleFiles(e.target.files);
|
||
// 重置input，允许选择相同文件
|
||
fileInput.value = '';
|
||
}
|
||
}
|
||
|
||
// 设置拖拽上传
|
||
function setupDragAndDrop() {
|
||
uploadArea.addEventListener('dragover', (e) => {
|
||
// 如果已达总数限制，禁止拖拽
|
||
if (MAX_FILE_COUNT > 0 && uploadedCount >= MAX_FILE_COUNT) {
|
||
e.preventDefault();
|
||
return;
|
||
}
|
||
|
||
e.preventDefault();
|
||
uploadArea.classList.add('dragover');
|
||
});
|
||
|
||
uploadArea.addEventListener('dragleave', (e) => {
|
||
e.preventDefault();
|
||
uploadArea.classList.remove('dragover');
|
||
});
|
||
|
||
uploadArea.addEventListener('drop', (e) => {
|
||
e.preventDefault();
|
||
uploadArea.classList.remove('dragover');
|
||
|
||
// 如果已达总数限制，禁止拖拽上传
|
||
if (MAX_FILE_COUNT > 0 && uploadedCount >= MAX_FILE_COUNT) {
|
||
showError(`已超过文件上传总数限制（${MAX_FILE_COUNT}个）`);
|
||
return;
|
||
}
|
||
|
||
if (e.dataTransfer.files.length) {
|
||
handleFiles(e.dataTransfer.files);
|
||
}
|
||
});
|
||
}
|
||
|
||
// 处理文件
|
||
async function handleFiles(files) {
|
||
// 检查是否已达到总文件数量上限
|
||
if (MAX_FILE_COUNT > 0 && uploadedCount >= MAX_FILE_COUNT) {
|
||
showError(`已超过文件上传总数限制（${MAX_FILE_COUNT}个）`);
|
||
return;
|
||
}
|
||
|
||
// 检查当前选择的文件是否会导致超过总数限制
|
||
const potentialTotalCount = uploadedCount + files.length;
|
||
if (MAX_FILE_COUNT > 0 && potentialTotalCount > MAX_FILE_COUNT) {
|
||
showError(`最多只能上传 ${MAX_FILE_COUNT} 个文件，已上传 ${uploadedCount} 个`);
|
||
return;
|
||
}
|
||
|
||
// 检查是否已达到本次选择的文件数量上限
|
||
if (selectedFiles.length >= MAX_FILE_COUNT) {
|
||
showError(`最多只能选择 ${MAX_FILE_COUNT} 个文件`);
|
||
return;
|
||
}
|
||
|
||
for (let file of files) {
|
||
console.log(file);
|
||
// 检查是否已达到本次选择的文件数量上限
|
||
if (selectedFiles.length >= MAX_FILE_COUNT) {
|
||
showError(`最多只能选择 ${MAX_FILE_COUNT} 个文件，已忽略多余文件`);
|
||
break;
|
||
}
|
||
|
||
// 检查是否会导致超过总数限制
|
||
if (MAX_FILE_COUNT > 0 && uploadedCount + selectedFiles.length >= MAX_FILE_COUNT) {
|
||
showError(`已超过文件上传总数限制（${MAX_FILE_COUNT}个）`);
|
||
break;
|
||
}
|
||
|
||
// 检查文件大小
|
||
if (file.size > MAX_FILE_SIZE) {
|
||
showError(`文件 ${file.name} 超过10MB限制`);
|
||
continue;
|
||
}
|
||
|
||
// 检查是否已存在
|
||
if (selectedFiles.some((f) => f.name === file.name && f.size === file.size)) {
|
||
continue;
|
||
}
|
||
|
||
fileValidator
|
||
.validate(file)
|
||
.then(() => {
|
||
console.log(1111);
|
||
selectedFiles.push(file);
|
||
addFileToList(file);
|
||
updateUI();
|
||
})
|
||
.catch((err) => {
|
||
showError(file.name + err);
|
||
});
|
||
}
|
||
}
|
||
|
||
// 检查是否为图片文件
|
||
function isImageFile(filename) {
|
||
const imageExtensions = ['jpg', 'jpeg', 'png', 'gif', 'bmp', 'svg', 'webp'];
|
||
const ext = filename.split('.').pop().toLowerCase();
|
||
return imageExtensions.includes(ext);
|
||
}
|
||
|
||
// 检查是否为图片类型
|
||
function isImageType(file) {
|
||
return file.type.startsWith('image/');
|
||
}
|
||
|
||
// 根据文件名获取图标
|
||
function getFileIcon(filename) {
|
||
const ext = filename.split('.').pop().toLowerCase();
|
||
const icons = {
|
||
// 图片
|
||
jpg: '🖼️',
|
||
jpeg: '🖼️',
|
||
png: '🖼️',
|
||
gif: '🖼️',
|
||
bmp: '🖼️',
|
||
svg: '🖼️',
|
||
webp: '🖼️',
|
||
// 文档
|
||
pdf: '📝',
|
||
doc: '📝',
|
||
docx: '📝',
|
||
txt: '📄',
|
||
// 表格
|
||
xls: '📊',
|
||
xlsx: '📊',
|
||
csv: '📊',
|
||
// 演示文稿
|
||
ppt: '📽️',
|
||
pptx: '📽️',
|
||
// 默认
|
||
default: '📁',
|
||
};
|
||
return icons[ext] || icons.default;
|
||
}
|
||
// 移除文件
|
||
function removeFile(name, size) {
|
||
selectedFiles = selectedFiles.filter((f) => !(f.name === name && f.size === size));
|
||
|
||
const fileItem = document.querySelector(`.file-item[data-name="${name}"]`);
|
||
if (fileItem) {
|
||
fileItem.style.animation = 'slideIn 0.3s ease reverse';
|
||
setTimeout(() => {
|
||
fileItem.remove();
|
||
updateUI();
|
||
}, 150);
|
||
}
|
||
}
|
||
|
||
// 添加文件到列表
|
||
function addFileToList(file) {
|
||
const li = document.createElement('li');
|
||
li.className = 'file-item';
|
||
li.dataset.name = file.name;
|
||
li.dataset.size = file.size; // 添加 size 到 dataset
|
||
|
||
// 检查是否为图片
|
||
const isImage = isImageType(file) && isImageFile(file.name);
|
||
|
||
// 获取文件图标
|
||
const fileIcon = getFileIcon(file.name);
|
||
|
||
// 创建HTML（移除 onclick，改为 data 属性）
|
||
li.innerHTML = `
|
||
<div class="file-icon-container" id="icon-${escapeHtml(file.name)}">
|
||
${
|
||
isImage
|
||
? `<img class="thumbnail" src="#" alt="${escapeHtml(file.name)}" />`
|
||
: `<div class="file-icon">${fileIcon}</div>`
|
||
}
|
||
</div>
|
||
<div class="file-info">
|
||
<div class="file-name">${escapeHtml(file.name)}</div>
|
||
<div class="file-size">${formatFileSize(file.size)}</div>
|
||
<div class="file-progress">
|
||
<div class="file-progress-bar" id="progress-${escapeHtml(file.name)}"></div>
|
||
</div>
|
||
</div>
|
||
<button class="remove-btn" data-name="${escapeHtml(file.name)}" data-size="${file.size}">×</button>
|
||
`;
|
||
|
||
fileList.appendChild(li);
|
||
|
||
// 如果是图片，生成缩略图
|
||
if (isImage) {
|
||
generateThumbnail(file, `icon-${escapeHtml(file.name)}`);
|
||
|
||
// 为图片缩略图添加点击预览功能
|
||
const iconContainer = document.getElementById(`icon-${escapeHtml(file.name)}`);
|
||
iconContainer.style.cursor = 'pointer';
|
||
iconContainer.addEventListener('click', () => {
|
||
previewFullImage(file);
|
||
});
|
||
}
|
||
}
|
||
// 生成缩略图
|
||
function generateThumbnail(file, containerId) {
|
||
const reader = new FileReader();
|
||
reader.onload = function (e) {
|
||
const container = document.getElementById(containerId);
|
||
if (container) {
|
||
const img = container.querySelector('.thumbnail');
|
||
img.src = e.target.result;
|
||
|
||
// 添加加载完成后的淡入效果
|
||
img.onload = function () {
|
||
img.style.opacity = '0';
|
||
setTimeout(() => {
|
||
img.style.transition = 'opacity 0.3s ease';
|
||
img.style.opacity = '1';
|
||
}, 10);
|
||
};
|
||
}
|
||
};
|
||
reader.readAsDataURL(file);
|
||
}
|
||
|
||
// 预览完整图片
|
||
function previewFullImage(file) {
|
||
const reader = new FileReader();
|
||
reader.onload = function (e) {
|
||
previewImage.src = e.target.result;
|
||
imagePreviewModal.classList.add('show');
|
||
document.body.style.overflow = 'hidden';
|
||
};
|
||
reader.readAsDataURL(file);
|
||
}
|
||
|
||
// 格式化文件大小
|
||
function formatFileSize(bytes) {
|
||
if (bytes === 0) return '0 B';
|
||
const k = 1024;
|
||
const sizes = ['B', 'KB', 'MB', 'GB'];
|
||
const i = Math.floor(Math.log(bytes) / Math.log(k));
|
||
return parseFloat((bytes / Math.pow(k, i)).toFixed(1)) + ' ' + sizes[i];
|
||
}
|
||
|
||
// 清空所有文件
|
||
function clearAllFiles() {
|
||
selectedFiles = [];
|
||
fileList.innerHTML = '';
|
||
updateUI();
|
||
}
|
||
|
||
// 更新UI状态
|
||
function updateUI() {
|
||
const hasFiles = selectedFiles.length > 0;
|
||
const isTotalLimitReached = MAX_FILE_COUNT > 0 && uploadedCount >= MAX_FILE_COUNT;
|
||
|
||
// 显示/隐藏文件列表
|
||
selectedFilesContainer.classList.toggle('show', hasFiles);
|
||
|
||
// 检查是否已达总文件数量上限
|
||
if (isTotalLimitReached) {
|
||
// 禁用所有上传相关功能
|
||
uploadArea.classList.add('disabled');
|
||
fileInput.disabled = true;
|
||
uploadText.textContent = '文件上传总数已达上限';
|
||
uploadHint.innerHTML = `总共可上传 ${MAX_FILE_COUNT} 个文件<br />已上传: ${uploadedCount}`;
|
||
|
||
// 禁用按钮
|
||
clearBtn.disabled = true;
|
||
uploadBtn.disabled = true;
|
||
|
||
// 显示限制警告提示
|
||
limitWarningInfo.classList.add('show');
|
||
limitWarningText.textContent = `已超过文件上传总数限制（${MAX_FILE_COUNT}个）`;
|
||
} else {
|
||
// 更新上传区域状态
|
||
uploadArea.classList.remove('disabled');
|
||
|
||
// 根据文件数量更新上传区域
|
||
if (MAX_FILE_COUNT <= 0) {
|
||
// 如果没有设置文件数量限制，始终可以上传
|
||
uploadText.textContent = '点击选择文件';
|
||
uploadHint.innerHTML = '支持图片、文档、文本等格式<br />文件大小不超过10MB';
|
||
fileInput.disabled = false;
|
||
} else if (selectedFiles.length >= MAX_FILE_COUNT) {
|
||
uploadText.textContent = `已达到最大文件数量（${MAX_FILE_COUNT}个）`;
|
||
uploadHint.innerHTML = `最多${MAX_FILE_COUNT}个文件，每个不超过10MB<br /><strong>已选满</strong>`;
|
||
fileInput.disabled = true;
|
||
} else {
|
||
uploadText.textContent = '点击选择文件';
|
||
uploadHint.innerHTML = `支持图片、文档、文本等格式<br />最多${MAX_FILE_COUNT}个文件，每个不超过10MB<br />已上传: ${uploadedCount}/${MAX_FILE_COUNT}`;
|
||
fileInput.disabled = false;
|
||
}
|
||
|
||
// 更新按钮状态
|
||
clearBtn.disabled = !hasFiles || isUploading;
|
||
uploadBtn.disabled = !hasFiles || isUploading;
|
||
}
|
||
|
||
// 更新上传按钮文本
|
||
if (hasFiles && !isTotalLimitReached) {
|
||
const totalSize = selectedFiles.reduce((sum, file) => sum + file.size, 0);
|
||
uploadBtn.innerHTML = `<span>⬆️</span> 上传 (${
|
||
selectedFiles.length
|
||
}/${MAX_FILE_COUNT}, ${formatFileSize(totalSize)})`;
|
||
} else {
|
||
uploadBtn.innerHTML = `<span>⬆️</span> 开始上传`;
|
||
}
|
||
}
|
||
|
||
// 开始上传
|
||
async function startUpload() {
|
||
if (isUploading || selectedFiles.length === 0) return;
|
||
|
||
// 检查是否已达总数限制
|
||
if (MAX_FILE_COUNT > 0 && uploadedCount >= MAX_FILE_COUNT) {
|
||
showError(`已超过文件上传总数限制（${MAX_FILE_COUNT}个）`);
|
||
return;
|
||
}
|
||
|
||
// 检查是否会导致超过总数限制
|
||
const potentialTotalCount = uploadedCount + selectedFiles.length;
|
||
if (MAX_FILE_COUNT > 0 && potentialTotalCount > MAX_FILE_COUNT) {
|
||
showError(`最多只能上传 ${MAX_FILE_COUNT} 个文件，已上传 ${uploadedCount} 个`);
|
||
return;
|
||
}
|
||
|
||
isUploading = true;
|
||
updateUI();
|
||
showLoading('正在准备上传...');
|
||
|
||
try {
|
||
// 更新加载文本
|
||
loadingText.textContent = `正在上传 ${selectedFiles.length} 个文件...`;
|
||
|
||
// 遍历上传所有文件
|
||
let successCount = 0;
|
||
let failCount = 0;
|
||
|
||
for (let i = 0; i < selectedFiles.length; i++) {
|
||
const file = selectedFiles[i];
|
||
|
||
try {
|
||
// 更新进度显示
|
||
loadingText.textContent = `正在上传：${file.name} (${i + 1}/${selectedFiles.length})`;
|
||
const progressBar = document.querySelector(`#progress-${CSS.escape(file.name)}`);
|
||
|
||
// 调用上传API
|
||
const result = await uploadFile(file, sessionId);
|
||
if (result.success) {
|
||
successCount++;
|
||
// 更新文件进度条
|
||
if (progressBar) {
|
||
progressBar.style.width = '100%';
|
||
}
|
||
} else {
|
||
failCount++;
|
||
if (progressBar) {
|
||
progressBar.style.width = '0%';
|
||
}
|
||
}
|
||
} catch (error) {
|
||
console.error(`文件上传失败: ${file.name}`, error);
|
||
failCount++;
|
||
const progressBar = document.querySelector(`#progress-${CSS.escape(file.name)}`);
|
||
if (progressBar) {
|
||
progressBar.style.width = '0%';
|
||
}
|
||
}
|
||
}
|
||
|
||
// 上传完成
|
||
hideLoading();
|
||
|
||
if (successCount > 0) {
|
||
// 更新已上传的文件数量
|
||
uploadedCount += successCount;
|
||
saveUploadedCount();
|
||
|
||
showSuccess(`成功上传 ${successCount} 个文件${failCount > 0 ? `，${failCount} 个失败` : ''}`);
|
||
// 清空文件列表
|
||
clearAllFiles();
|
||
// 更新UI
|
||
updateUI();
|
||
sessionStorage.setItem('sessionId', sessionId);
|
||
} else {
|
||
showError('文件上传失败，请重试');
|
||
}
|
||
} catch (error) {
|
||
console.error('上传过程中出错:', error);
|
||
hideLoading();
|
||
showError('上传过程中发生错误');
|
||
} finally {
|
||
isUploading = false;
|
||
updateUI();
|
||
}
|
||
}
|
||
|
||
// 上传单个文件
|
||
async function uploadFile(file, sessionId) {
|
||
const formData = new FormData();
|
||
formData.append('file', file);
|
||
formData.append('sessionId', sessionId);
|
||
formData.append('filename', file.name);
|
||
formData.append('size', file.size);
|
||
formData.append('type', file.type);
|
||
|
||
// 显示文件进度条
|
||
const progressBar = document.querySelector(`#progress-${CSS.escape(file.name)}`);
|
||
if (progressBar) {
|
||
progressBar.parentElement.style.display = 'block';
|
||
progressBar.style.width = '50%';
|
||
}
|
||
|
||
try {
|
||
const response = await fetch(uploadApi, {
|
||
method: 'POST',
|
||
body: formData,
|
||
});
|
||
|
||
if (progressBar) {
|
||
progressBar.style.width = '100%';
|
||
}
|
||
|
||
const result = await response.json();
|
||
return {
|
||
success: result.code == 200,
|
||
data: result,
|
||
};
|
||
} catch (error) {
|
||
if (progressBar) {
|
||
progressBar.style.width = '0%';
|
||
}
|
||
throw error;
|
||
}
|
||
}
|
||
|
||
// 显示加载中
|
||
function showLoading(text) {
|
||
loadingText.textContent = text;
|
||
loadingOverlay.classList.add('show');
|
||
document.body.style.overflow = 'hidden';
|
||
}
|
||
|
||
// 隐藏加载中
|
||
function hideLoading() {
|
||
loadingOverlay.classList.remove('show');
|
||
document.body.style.overflow = '';
|
||
}
|
||
|
||
// 创建状态提示框
|
||
function createStatusMessage(type, title, desc, autoClose = false, closeTime = 3000) {
|
||
// 创建唯一的ID
|
||
const messageId = 'status-' + Date.now() + '-' + Math.random().toString(36).substr(2, 9);
|
||
|
||
// 计算当前弹窗的偏移量（每个弹窗下移20px）
|
||
const offset = statusMessageCount * 40;
|
||
|
||
// 创建弹窗HTML，添加自定义的偏移样式
|
||
const messageHtml = `
|
||
<div class="status-message status-${type}" id="${messageId}"
|
||
data-message-id="${messageId}"
|
||
style="margin-top: ${offset}px;">
|
||
<button class="close-btn" data-action="close" data-message-id="${messageId}">×</button>
|
||
<span class="status-icon">${type === 'success' ? '✅' : '❌'}</span>
|
||
<h3 class="status-title">${escapeHtml(title)}</h3>
|
||
<p class="status-desc">${escapeHtml(desc)}</p>
|
||
<button class="status-btn" data-action="close" data-message-id="${messageId}">完成</button>
|
||
</div>
|
||
`;
|
||
|
||
// 添加到容器
|
||
statusMessagesContainer.innerHTML += messageHtml;
|
||
|
||
// 显示弹窗
|
||
const messageElement = document.getElementById(messageId);
|
||
messageElement.style.display = 'block';
|
||
|
||
// 增加弹窗计数
|
||
statusMessageCount++;
|
||
|
||
// 自动关闭
|
||
if (autoClose) {
|
||
setTimeout(() => {
|
||
closeStatusMessage(messageId);
|
||
}, closeTime);
|
||
}
|
||
|
||
// 限制最大显示数量（最多显示5个）
|
||
const messages = statusMessagesContainer.querySelectorAll('.status-message');
|
||
if (messages.length > 5) {
|
||
// 移除最早的消息
|
||
const oldestMessage = messages[0];
|
||
closeStatusMessage(oldestMessage.id);
|
||
}
|
||
|
||
return messageId;
|
||
}
|
||
|
||
// 关闭状态提示框
|
||
function closeStatusMessage(messageId) {
|
||
const messageElement = document.getElementById(messageId);
|
||
if (messageElement) {
|
||
// 添加淡出动画
|
||
messageElement.style.animation = 'popUp 0.3s ease reverse';
|
||
messageElement.style.opacity = '0';
|
||
|
||
setTimeout(() => {
|
||
messageElement.remove();
|
||
|
||
// 减少弹窗计数
|
||
statusMessageCount--;
|
||
|
||
// 重新计算并更新剩余弹窗的位置
|
||
updateRemainingStatusMessages();
|
||
|
||
// 检查是否还有消息显示
|
||
const remainingMessages = statusMessagesContainer.querySelectorAll('.status-message');
|
||
if (remainingMessages.length === 0) {
|
||
document.body.style.overflow = '';
|
||
}
|
||
}, 300);
|
||
}
|
||
}
|
||
|
||
// 更新剩余弹窗的位置
|
||
function updateRemainingStatusMessages() {
|
||
const messages = statusMessagesContainer.querySelectorAll('.status-message');
|
||
|
||
messages.forEach((message, index) => {
|
||
const offset = index * 20; // 每个弹窗下移20px
|
||
message.style.marginTop = `${offset}px`;
|
||
});
|
||
}
|
||
|
||
// 隐藏所有状态提示
|
||
function hideAllStatus() {
|
||
const messages = statusMessagesContainer.querySelectorAll('.status-message');
|
||
messages.forEach((message) => {
|
||
closeStatusMessage(message.id);
|
||
});
|
||
document.body.style.overflow = '';
|
||
}
|
||
|
||
// 显示成功提示（创建新弹窗）
|
||
function showSuccess(message, options = {}) {
|
||
const { autoClose = true, closeTime = 3000 } = options;
|
||
return createStatusMessage('success', '上传成功！', message, autoClose, closeTime);
|
||
}
|
||
|
||
// 显示错误提示（创建新弹窗）
|
||
function showError(message, options = {}) {
|
||
const { autoClose = false, closeTime = 5000 } = options;
|
||
return createStatusMessage('error', '出错了', message, autoClose, closeTime);
|
||
}
|
||
|
||
// 修改防止页面滚动函数
|
||
function preventScroll(e) {
|
||
const messages = statusMessagesContainer.querySelectorAll('.status-message');
|
||
const hasMessages = messages.length > 0;
|
||
|
||
if (
|
||
loadingOverlay.classList.contains('show') ||
|
||
hasMessages ||
|
||
imagePreviewModal.classList.contains('show')
|
||
) {
|
||
e.preventDefault();
|
||
}
|
||
}
|
||
// HTML转义
|
||
function escapeHtml(text) {
|
||
const div = document.createElement('div');
|
||
div.textContent = text;
|
||
return div.innerHTML;
|
||
}
|
||
|
||
// 页面加载完成后初始化
|
||
document.addEventListener('DOMContentLoaded', init);
|
||
|
||
// 阻止默认拖放行为
|
||
document.addEventListener('dragover', (e) => e.preventDefault());
|
||
document.addEventListener('drop', (e) => e.preventDefault());
|
||
</script>
|
||
</body>
|
||
</html>
|