1. I use react to write components, and the src property of source,source wrapped with vedio tags is the MP4 path. There are only video controls on the page, but the video cannot be played. 2. <video width="620" height="2...
recently I just learned that the ionic4, page is written normally: px. There is a question, how to deal with the adaptation of different mobile phones? Before I wrote H5, I used rem. ...
for example, why do you respond to http requests by adding @ Controller annotations? ...
as shown in the figure, the width of both images is set width:6rem;, but the display is like this, which needs to be refreshed several times, and occasionally will be good, but even if the css takes effect and refreshes again, it may become such a si...
as shown in the figure: Where does the js code come from that you can t find it at all in the project? ...
dynamically defines the route of a get request, which is OK without parameters, but not with dynamic parameters id ...