修改前端推荐搜素样式，链接推荐搜索前后端
Change-Id: I76d3be2a2cb6f553fc6c4512e11b6de3341ad0c4
diff --git a/JWLLL/API_front/src/components/UploadPage.jsx b/JWLLL/API_front/src/components/UploadPage.jsx
new file mode 100644
index 0000000..e6db861
--- /dev/null
+++ b/JWLLL/API_front/src/components/UploadPage.jsx
@@ -0,0 +1,200 @@
+import React, { useState } from 'react'
+import { Image, Video } from 'lucide-react'
+
+
+export default function UploadPage() {
+ const [activeTab, setActiveTab] = useState('image')
+ const [isDragOver, setIsDragOver] = useState(false)
+ const [isUploading, setIsUploading] = useState(false)
+ const [uploadedFiles, setUploadedFiles] = useState([])
+ const [uploadProgress, setUploadProgress] = useState(0)
+
+ const validateFiles = files => {
+ const imgTypes = ['image/jpeg','image/jpg','image/png','image/webp']
+ const vidTypes = ['video/mp4','video/mov','video/avi']
+ const types = activeTab==='video'? vidTypes : imgTypes
+ const max = activeTab==='video'? 2*1024*1024*1024 : 32*1024*1024
+
+ const invalid = files.filter(f => !types.includes(f.type) || f.size > max)
+ if (invalid.length) {
+ alert(`发现 ${invalid.length} 个无效文件，请检查文件格式和大小`)
+ return false
+ }
+ return true
+ }
+
+ const simulateUpload = files => {
+ setIsUploading(true)
+ setUploadProgress(0)
+ setUploadedFiles(files)
+ const iv = setInterval(() => {
+ setUploadProgress(p => {
+ if (p >= 100) {
+ clearInterval(iv)
+ setIsUploading(false)
+ alert(`成功上传了 ${files.length} 个文件`)
+ return 100
+ }
+ return p + 10
+ })
+ }, 200)
+ }
+
+ const handleFileUpload = () => {
+ if (isUploading) return
+ const input = document.createElement('input')
+ input.type = 'file'
+ input.accept = activeTab==='video'? 'video/*' : 'image/*'
+ input.multiple = activeTab==='image'
+ input.onchange = e => {
+ const files = Array.from(e.target.files)
+ if (files.length > 0 && validateFiles(files)) simulateUpload(files)
+ }
+ input.click()
+ }
+
+ const handleDragOver = e => { e.preventDefault(); e.stopPropagation(); setIsDragOver(true) }
+ const handleDragLeave = e => { e.preventDefault(); e.stopPropagation(); setIsDragOver(false) }
+ const handleDrop = e => {
+ e.preventDefault(); e.stopPropagation(); setIsDragOver(false)
+ if (isUploading) return
+ const files = Array.from(e.dataTransfer.files)
+ if (files.length > 0 && validateFiles(files)) simulateUpload(files)
+ }
+
+ const clearFiles = () => setUploadedFiles([])
+ const removeFile = idx => setUploadedFiles(f => f.filter((_,i) => i!==idx))
+
+ return (
+ <>
+ <div className="upload-tabs">
+ <button
+ className={`upload-tab${activeTab==='video'?' active':''}`}
+ onClick={() => setActiveTab('video')}
+ >上传视频</button>
+ <button
+ className={`upload-tab${activeTab==='image'?' active':''}`}
+ onClick={() => setActiveTab('image')}
+ >上传图文</button>
+ </div>
+
+ <div
+ className={`upload-area${isDragOver?' drag-over':''}`}
+ onDragOver={handleDragOver}
+ onDragLeave={handleDragLeave}
+ onDrop={handleDrop}
+ >
+ <div className="upload-icon">
+ {activeTab==='video'? <Video/> : <Image/>}
+ </div>
+ <h2 className="upload-title">
+ {activeTab==='video'
+ ? '拖拽视频到此处或点击上传'
+ : '拖拽图片到此处或点击上传'
+ }
+ </h2>
+ <p className="upload-subtitle">(需支持上传格式)</p>
+ <button
+ className={`upload-btn${isUploading?' uploading':''}`}
+ onClick={handleFileUpload}
+ disabled={isUploading}
+ >
+ {isUploading
+ ? `上传中... ${uploadProgress}%`
+ : activeTab==='video'
+ ? '上传视频'
+ : '上传图片'
+ }
+ </button>
+
+ {isUploading && (
+ <div className="progress-container">
+ <div className="progress-bar">
+ <div
+ className="progress-fill"
+ style={{ width: `${uploadProgress}%` }}
+ />
+ </div>
+ <div className="progress-text">{uploadProgress}%</div>
+ </div>
+ )}
+ </div>
+
+ {uploadedFiles.length > 0 && (
+ <div className="file-preview-area">
+ <div className="preview-header">
+ <h3 className="preview-title">已上传文件 ({uploadedFiles.length})</h3>
+ <button className="clear-files-btn" onClick={clearFiles}>
+ 清除所有
+ </button>
+ </div>
+ <div className="file-grid">
+ {uploadedFiles.map((file, i) => (
+ <div key={i} className="file-item">
+ <button
+ className="remove-file-btn"
+ onClick={() => removeFile(i)}
+ title="删除文件"
+ >×</button>
+ {file.type.startsWith('image/') ? (
+ <div className="file-thumbnail">
+ <img src={URL.createObjectURL(file)} alt={file.name} />
+ </div>
+ ) : (
+ <div className="file-thumbnail video-thumbnail">
+ <Video size={24} />
+ </div>
+ )}
+ <div className="file-info">
+ <div className="file-name" title={file.name}>
+ {file.name.length > 20
+ ? file.name.slice(0,17) + '...'
+ : file.name
+ }
+ </div>
+ <div className="file-size">
+ {(file.size/1024/1024).toFixed(2)} MB
+ </div>
+ </div>
+ </div>
+ ))}
+ </div>
+ </div>
+ )}
+
+ <div className="upload-info fade-in">
+ {activeTab==='image' ? (
+ <>
+ <div className="info-item">
+ <h3 className="info-title">图片大小</h3>
+ <p className="info-desc">最大32MB</p>
+ </div>
+ <div className="info-item">
+ <h3 className="info-title">图片格式</h3>
+ <p className="info-desc">png/jpg/jpeg/webp</p>
+ </div>
+ <div className="info-item">
+ <h3 className="info-title">分辨率</h3>
+ <p className="info-desc">建议720×960及以上</p>
+ </div>
+ </>
+ ) : (
+ <>
+ <div className="info-item">
+ <h3 className="info-title">视频大小</h3>
+ <p className="info-desc">最大2GB，时长≤5分钟</p>
+ </div>
+ <div className="info-item">
+ <h3 className="info-title">视频格式</h3>
+ <p className="info-desc">mp4/mov</p>
+ </div>
+ <div className="info-item">
+ <h3 className="info-title">分辨率</h3>
+ <p className="info-desc">建议720P及以上</p>
+ </div>
+ </>
+ )}
+ </div>
+ </>
+ )
+}
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