uniapp,保存视频到相册

Posted 2021-06-23 xlit

uniapp,保存视频到相册，安卓端是正常的，ios端下载成功，在把文件塞进相册的时候却一直失败。

找了好几个解决方案最后才定位问题，下载下来的视频是flv格式的，把视频变成mp4格式的就成功了，估计是ios不认为flv是一个视频文件，所以不让进相册

 1 uni.showModal({
 2                     title: "提示",
 3                     content: "是否下载该视频",
 4                     showCancel: true,
 5                     cancelText: \'取消\',
 6                     confirmText: \'下载\',
 7                     success: res => {
 8 
 9                         if (res.confirm) {
10                             // 用户点击确定
11                             that.downvideo = true
12                             const downloadTask = uni.downloadFile({
13                                 url: encodeURI(`${apiUrl}` +
14                                     \'/api/downvideo-web/downVideo/likeVideo?dangerId=\' + that.id +
15                                     \'&&groupId=\' + header().groupId),
16                                 header: header(),
17                                 success: (data) => {
18                                     if (data.statusCode === 200) {
19 
20                                         if (uni.getSystemInfoSync().platform == \'ios\')
21                                             data.tempFilePath = escape(data.tempFilePath)
22 
23                                             filePath: data.tempFilePath, // 视频的本地临时地址  
24                                             success: function(res) {
25                                                 uni.showToast({
26                                                     title: \'下载完成,请到相册查看\',
27                                                     position: \'center\',
28                                                     icon: \'none\',
29                                                     duration: 2000
30                                                 });
31                                             },
32                                             fail: (err) => {
33                                                 uni.showToast({
34                                                     title: err,
35                                                     position: \'center\',
36                                                     icon: \'none\',
37                                                     duration: 2000
38                                                 });
39                                             },
40                                             complete: () => {
41                                                 that.downvideo = false
42                                                 that.videoprogress = 0
43                                             }
44                                         });
45                                     }
46                                 },
47                                 fail: (err) => {
48                                     uni.hideLoading()
49                                     uni.showToast({
50                                         title: err || \'未开通或没有权限\',
51                                         position: \'center\',
52                                         icon: \'none\',
53                                         duration: 2000
54                                     });
55                                 },
56                                 complete: () => {
57                                     that.downvideo = false
58                                     that.videoprogress = 0
59                                 }
60                             });
61 
62                             downloadTask.onProgressUpdate((res) => { // 下载进度  
63                                 // console.log(\'进度=\' + res.progress)
64                                 if (this.videoprogress < 100) {
65                                     this.videoprogress = res.progress
66                                 }
67                             });
68                         }
69                     }
70                 })

 

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