1+ using System ;
2+ using System . Collections ;
3+ using UnityEngine ;
4+ using UnityEngine . Networking ;
5+ using UnityEngine . UI ;
6+ using UnityEngine . Video ;
7+ using WeChatWASM ;
8+
9+ public class PlayLocalFileVideo : MonoBehaviour
10+ {
11+ public VideoPlayer videoPlayer ;
12+ private string localVideoPath ;
13+
14+ private void Awake ( )
15+ {
16+ // 获取或添加VideoPlayer组件
17+ videoPlayer = GetComponent < VideoPlayer > ( ) ;
18+ if ( videoPlayer == null )
19+ {
20+ videoPlayer = gameObject . AddComponent < VideoPlayer > ( ) ;
21+ }
22+
23+ // 配置VideoPlayer
24+ videoPlayer . playOnAwake = false ;
25+ videoPlayer . isLooping = false ;
26+
27+ // 设置本地视频路径
28+ localVideoPath = WX . env . USER_DATA_PATH + "/video.mp4" ;
29+ }
30+
31+ private void CheckAndPlayVideo ( )
32+ {
33+ // 获取文件系统管理器
34+ var fs = WX . GetFileSystemManager ( ) ;
35+
36+ // 使用微信文件系统的方法检查文件是否存在
37+ fs . Access ( new AccessParam ( )
38+ {
39+ path = localVideoPath ,
40+ success = ( res ) =>
41+ {
42+ Debug . Log ( "本地视频文件已存在，直接播放" ) ;
43+ // 文件存在，直接播放
44+ LoadAndPlayVideo ( localVideoPath ) ;
45+ } ,
46+ fail = ( res ) =>
47+ {
48+ Debug . Log ( "本地视频文件不存在，需要下载: " + res . errMsg ) ;
49+ // 文件不存在，需要下载
50+ DownloadFileVideo ( ) ;
51+ }
52+ } ) ;
53+ }
54+
55+ private void DownloadFileVideo ( )
56+ {
57+ WX . ShowLoading ( new ShowLoadingOption ( )
58+ {
59+ title = "视频下载中..." ,
60+ mask = true ,
61+ success = ( res ) =>
62+ {
63+ Debug . Log ( "Loading indicator shown successfully" ) ;
64+ } ,
65+ fail = ( res ) =>
66+ {
67+ Debug . Log ( "Failed to show loading indicator: " + res . errMsg ) ;
68+ } ,
69+ } ) ;
70+
71+ WX . DownloadFile ( new DownloadFileOption ( )
72+ {
73+ url = "https://res.wx.qq.com/wechatgame/product/webpack/userupload/20190812/video.mp4" ,
74+ success = ( res ) =>
75+ {
76+ Debug . Log ( "WX.DownloadFile success" ) ;
77+ if ( res . statusCode == 200 )
78+ {
79+ Debug . Log ( res . tempFilePath ) ;
80+ var fs = WX . GetFileSystemManager ( ) ;
81+ var filePath = fs . SaveFileSync ( res . tempFilePath , localVideoPath ) ;
82+ LoadAndPlayVideo ( filePath ) ;
83+ }
84+ } ,
85+ fail = ( res ) =>
86+ {
87+ Debug . Log ( "WX.DownloadFile fail: " + res . errMsg ) ;
88+ HideLoadingIndicator ( ) ;
89+ } ,
90+ complete = ( res ) =>
91+ {
92+ Debug . Log ( "WX.DownloadFile complete" ) ;
93+ HideLoadingIndicator ( ) ;
94+ }
95+ } ) ;
96+ }
97+
98+ // 隐藏加载提示的方法
99+ private void HideLoadingIndicator ( )
100+ {
101+ WX . HideLoading ( new HideLoadingOption ( )
102+ {
103+ success = ( res ) =>
104+ {
105+ Debug . Log ( "Loading indicator hidden successfully" ) ;
106+ } ,
107+ fail = ( res ) =>
108+ {
109+ Debug . LogError ( "Failed to hide loading indicator: " + res . errMsg ) ;
110+ }
111+ } ) ;
112+ }
113+
114+ void LoadAndPlayVideo ( string localFilePath )
115+ {
116+ // 设置视频文件路径
117+ videoPlayer . url = localFilePath ;
118+
119+ // 准备和播放视频
120+ videoPlayer . prepareCompleted += PrepareCompleted ;
121+ videoPlayer . Prepare ( ) ;
122+ }
123+
124+ void PrepareCompleted ( VideoPlayer vp )
125+ {
126+ Debug . Log ( "Video prepared, starting playback" ) ;
127+ vp . Play ( ) ;
128+ }
129+
130+ private void CleanupVideo ( )
131+ {
132+ if ( videoPlayer != null )
133+ {
134+ videoPlayer . Stop ( ) ;
135+ videoPlayer . url = string . Empty ;
136+ }
137+ }
138+
139+ private void Start ( )
140+ {
141+ // 检查本地是否有文件，如果没有则下载
142+ CheckAndPlayVideo ( ) ;
143+ }
144+
145+ private void OnDestroy ( )
146+ {
147+ CleanupVideo ( ) ;
148+ }
149+ }
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