152 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			152 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| function pickExclude(obj, keys) {
 | ||
| 	// 某些情况下,type可能会为
 | ||
|     if (!['[object Object]', '[object File]'].includes(Object.prototype.toString.call(obj))) {
 | ||
|         return {}
 | ||
|     }
 | ||
|     return Object.keys(obj).reduce((prev, key) => {
 | ||
|         if (!keys.includes(key)) {
 | ||
|             prev[key] = obj[key]
 | ||
|         }
 | ||
|         return prev
 | ||
|     }, {})
 | ||
| }
 | ||
| 
 | ||
| function formatImage(res) {
 | ||
|     return res.tempFiles.map((item) => ({
 | ||
|         ...pickExclude(item, ['path']),
 | ||
|         type: 'image',
 | ||
|         url: item.path,
 | ||
|         thumb: item.path,
 | ||
| 		size: item.size,
 | ||
| 		// #ifdef H5
 | ||
| 		name: item.name
 | ||
| 		// #endif
 | ||
|     }))
 | ||
| }
 | ||
| 
 | ||
| function formatVideo(res) {
 | ||
|     return [
 | ||
|         {
 | ||
|             ...pickExclude(res, ['tempFilePath', 'thumbTempFilePath', 'errMsg']),
 | ||
|             type: 'video',
 | ||
|             url: res.tempFilePath,
 | ||
|             thumb: res.thumbTempFilePath,
 | ||
| 			size: res.size,
 | ||
| 			// #ifdef H5
 | ||
| 			name: res.name
 | ||
| 			// #endif
 | ||
|         }
 | ||
|     ]
 | ||
| }
 | ||
| 
 | ||
| function formatMedia(res) {
 | ||
|     return res.tempFiles.map((item) => ({
 | ||
|         ...pickExclude(item, ['fileType', 'thumbTempFilePath', 'tempFilePath']),
 | ||
|         type: res.type,
 | ||
|         url: item.tempFilePath,
 | ||
|         thumb: res.type === 'video' ? item.thumbTempFilePath : item.tempFilePath,
 | ||
| 		size: item.size
 | ||
|     }))
 | ||
| }
 | ||
| 
 | ||
| function formatFile(res) {
 | ||
|     return res.tempFiles.map((item) => ({ 
 | ||
| 		...pickExclude(item, ['path']), 
 | ||
| 		url: item.path, 
 | ||
| 		size:item.size,
 | ||
| 		// #ifdef H5
 | ||
| 		name: item.name,
 | ||
| 		type: item.type
 | ||
| 		// #endif 
 | ||
| 	}))
 | ||
| }
 | ||
| export function chooseFile({
 | ||
|     accept,
 | ||
|     multiple,
 | ||
|     capture,
 | ||
|     compressed,
 | ||
|     maxDuration,
 | ||
|     sizeType,
 | ||
|     camera,
 | ||
|     maxCount
 | ||
| }) {
 | ||
|     return new Promise((resolve, reject) => {
 | ||
|         switch (accept) {
 | ||
|         case 'image':
 | ||
|             uni.chooseImage({
 | ||
|                 count: multiple ? Math.min(maxCount, 9) : 1,
 | ||
|                 sourceType: capture,
 | ||
|                 sizeType,
 | ||
|                 success: (res) => resolve(formatImage(res)),
 | ||
|                 fail: reject
 | ||
|             })
 | ||
|             break
 | ||
|             // #ifdef MP-WEIXIN
 | ||
|             // 只有微信小程序才支持chooseMedia接口
 | ||
|         case 'media':
 | ||
|             wx.chooseMedia({
 | ||
|                 count: multiple ? Math.min(maxCount, 9) : 1,
 | ||
|                 sourceType: capture,
 | ||
|                 maxDuration,
 | ||
|                 sizeType,
 | ||
|                 camera,
 | ||
|                 success: (res) => resolve(formatMedia(res)),
 | ||
|                 fail: reject
 | ||
|             })
 | ||
|             break
 | ||
|             // #endif
 | ||
|         case 'video':
 | ||
|             uni.chooseVideo({
 | ||
|                 sourceType: capture,
 | ||
|                 compressed,
 | ||
|                 maxDuration,
 | ||
|                 camera,
 | ||
|                 success: (res) => resolve(formatVideo(res)),
 | ||
|                 fail: reject
 | ||
|             })
 | ||
|             break
 | ||
|             // #ifdef MP-WEIXIN || H5
 | ||
|             // 只有微信小程序才支持chooseMessageFile接口
 | ||
|         case 'file':
 | ||
|             // #ifdef MP-WEIXIN
 | ||
|             wx.chooseMessageFile({
 | ||
|                 count: multiple ? maxCount : 1,
 | ||
|                 type: accept,
 | ||
|                 success: (res) => resolve(formatFile(res)),
 | ||
|                 fail: reject
 | ||
|             })
 | ||
|             // #endif
 | ||
|             // #ifdef H5
 | ||
|             // 需要hx2.9.9以上才支持uni.chooseFile
 | ||
|             uni.chooseFile({
 | ||
|                 count: multiple ? maxCount : 1,
 | ||
|                 type: accept,
 | ||
|                 success: (res) => resolve(formatFile(res)),
 | ||
|                 fail: reject
 | ||
|             })
 | ||
|             // #endif
 | ||
|             break
 | ||
| 				// #endif
 | ||
| 		default: 
 | ||
| 			// 此为保底选项,在accept不为上面任意一项的时候选取全部文件
 | ||
| 			// #ifdef MP-WEIXIN
 | ||
| 			wx.chooseMessageFile({
 | ||
| 			    count: multiple ? maxCount : 1,
 | ||
| 			    type: 'all',
 | ||
| 			    success: (res) => resolve(formatFile(res)),
 | ||
| 			    fail: reject
 | ||
| 			})
 | ||
| 			// #endif
 | ||
| 			// #ifdef H5
 | ||
| 			// 需要hx2.9.9以上才支持uni.chooseFile
 | ||
| 			uni.chooseFile({
 | ||
| 				count: multiple ? maxCount : 1,
 | ||
| 				type: 'all',
 | ||
| 				success: (res) => resolve(formatFile(res)),
 | ||
| 				fail: reject
 | ||
| 			})
 | ||
| 			// #endif
 | ||
|         }
 | ||
|     })
 | ||
| }
 | 
