OSS 视频封面
<video src="地址" poster="地址+ '?x-oss-process=video/snapshot,t_1000,f_jpg,w_800,h_600,m_fast'"></video>?x-oss-process=video/snapshot,t_1000,f_jpg,w_800,h_600,m_fast
w_ 和 h_ 是宽高。一般情况下不写。
?x-oss-process=video/snapshot,t_1000,f_jpg,m_fasthttps://help.aliyun.com/document_de...