| 1 | /** |
| 2 | * ImgChoose - 图片选择组件 |
| 3 | * 用于选择本地图片文件 |
| 4 | */ |
| 5 | |
| 6 | import type { FC } from 'react' |
| 7 | import type { IImgFile } from '@/components/PublishDialog/publishDialog.type' |
| 8 | import { useCallback, useRef } from 'react' |
| 9 | import { formatImg } from '@/components/PublishDialog/PublishDialog.util' |
| 10 | import { Button } from '@/components/ui/button' |
| 11 | import { toast } from '@/utils/ui/toast' |
| 12 | |
| 13 | interface ImgChooseProps { |
| 14 | // 单选就使用单选方法，多选就使用单选方法 |
| 15 | |
| 16 | // 单选返回 |
| 17 | onChoose?: (_: IImgFile) => void |
| 18 | // 多选返回方法 |
| 19 | onMultipleChoose?: (_: IImgFile[]) => void |
| 20 | children?: React.ReactNode |
| 21 | } |
| 22 | |
| 23 | const ImgChoose: FC<ImgChooseProps> = ({ onChoose, onMultipleChoose, children }) => { |
| 24 | const fileInputRef = useRef<HTMLInputElement>(null) |
| 25 | |
| 26 | /** |
| 27 | * 处理文件选择 |
| 28 | */ |
| 29 | const handleFileChange = useCallback( |
| 30 | async (event: React.ChangeEvent<HTMLInputElement>) => { |
| 31 | const files = event.target.files |
| 32 | if (!files || files.length === 0) |
| 33 | return |
| 34 | |
| 35 | try { |
| 36 | const tasks: Promise<IImgFile>[] = [] |
| 37 | for (const file of Array.from(files)) { |
| 38 | tasks.push( |
| 39 | formatImg({ |
| 40 | path: file.name, |
| 41 | blob: file, |
| 42 | }), |
| 43 | ) |
| 44 | } |
| 45 | const imgFiles = await Promise.all(tasks) |
| 46 | if (onMultipleChoose) { |
| 47 | onMultipleChoose(imgFiles) |
| 48 | } |
| 49 | else if (onChoose) { |
| 50 | onChoose(imgFiles[0]) |
| 51 | } |
| 52 | } |
| 53 | catch (e) { |
| 54 | toast.error('选择图片失败') |
| 55 | console.error(e) |
| 56 | } |
| 57 | finally { |
| 58 | // 清空 input 以便下次选择同一文件 |
| 59 | if (fileInputRef.current) { |
| 60 | fileInputRef.current.value = '' |
| 61 | } |
| 62 | } |
| 63 | }, |
| 64 | [onChoose, onMultipleChoose], |
| 65 | ) |
| 66 | |
| 67 | /** |
| 68 | * 触发文件选择 |
| 69 | */ |
| 70 | const triggerFileInput = useCallback(() => { |
| 71 | fileInputRef.current?.click() |
| 72 | }, []) |
| 73 | |
| 74 | return ( |
| 75 | <> |
| 76 | <input |
| 77 | ref={fileInputRef} |
| 78 | type="file" |
| 79 | accept="image/*" |
| 80 | multiple={!!onMultipleChoose} |
| 81 | onChange={handleFileChange} |
| 82 | style={{ display: 'none' }} |
| 83 | /> |
| 84 | {children ? ( |
| 85 | <div className="imgChoose cursor-pointer" onClick={triggerFileInput}> |
| 86 | {children} |
| 87 | </div> |
| 88 | ) : ( |
| 89 | <Button className="cursor-pointer" onClick={triggerFileInput}> |
| 90 | 选择图片 |
| 91 | </Button> |
| 92 | )} |
| 93 | </> |
| 94 | ) |
| 95 | } |
| 96 | |
| 97 | export default ImgChoose |
| 98 |