how to use JavaScript to calculate the coordinates of x2 and y2 after the elements in the figure are rotated? the center point of rotation is the center point of dashed wireframe ...
After canvas inserts a picture, operations such as rotation and magnification need to be carried out, and the track will be recorded by hand on the basis of the operation. The problem is that the rotation and magnification operation will change the ori...
I want to use this close event. I don t know how to use the specified sub-menu, when I click. ...
browser clicks on the short link, wrong: http: localhost:8080 wechatTest wechat signAuthorize toSignApply.do?data=eyJiYW5rQWNjb3VudCI6IjQ2NTY2NjU2NTY2NjU1NjY0NCIsImJhbmtOdW1iZXIiOiI2NTY1NjU2 is missing, parameters, what to do with this problem? if yo...
problem description I need to obtain user information through the access_token and openid of the official account. Because Wechat restricts the request token,token, I cache it and then request it regularly, and then request it within the cache time. W...
getOpenTime(Pinyin,Id) { this.$post("", { token: this.token, gameId: Id }).then(res => { this.OpenTime[Pinyin] = res.info this.setIntervalForTime(Pinyin) }); }, OpenTime now recei...
my goal is to automatically release the database connection after each query. the following is the code I wrote, but when I called the interface, I reported an error Connection already released how should I modify the code? app.all( resume select...